A magnetorheological fluid with balanced viscosity and sedimentation properties includes: a magnetic material; a medium to allow the magnetic material to be dispersed therein; a dispersant to disperse the magnetic material within the medium while forming a magnetic material holding structure to hold the magnetic material; and a reinforcing agent to reinforce the magnetic material holding structure. An amount of the magnetic material is 25 wt % to 75 wt % relative to a sum of the medium and the magnetic material. An amount of the medium is 25 wt % to 75 wt % relative to the sum of the medium and the magnetic material. An amount of the dispersant is 0.5 wt % to 6 wt % relative to the sum of the medium and the magnetic material. An amount of the reinforcing agent is 5 wt % to 300 wt % relative to a weight of the dispersant.
a) of the second attaching member (40). Each side wall (33) is provided on an outer face thereof with a stopper (51) made of an elastic material. With this configuration, it is possible to sufficiently absorb an impact shock resulting from the stopper (51) hitting the second bracket (90).
F16F 13/10 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
A magnetorheological fluid utilizing properties of thixotropic agents and having well-balanced sedimentation properties includes: a magnetic material; a medium to allow the magnetic material to be dispersed therein; and at least one dispersant selected from sepiolite and smectite or a dispersant including sepiolite and bentonite.
H01F 1/44 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids
A vibration-damping device includes a housing having a cylindrical mounting hole therein and a vibration-damping member provided in the mounting hole. The vibration-damping member includes an outer cylinder fitted into the mounting hole, an inner cylinder provided in the outer cylinder, and a rubber elastic body inserted between the outer cylinder and the inner cylinder. The rubber elastic body is formed with a bore penetrating in an axial direction thereof and a stopper protruding from a radially-inner wall surface thereof for the bore. The housing is formed with a receiving part which faces the stopper, in a radial direction of the mounting hole, across a gap.
F16F 15/04 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means
F16F 15/00 - Suppression of vibrations in systemsMeans or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
A vibration proofing device includes a bracket having an internal space, and a vibration proofing member inserted into the internal space. The internal space is open on an outer surface of the bracket. At least a pair of facing-each-other surfaces, against which the vibration proofing member is pressed, is formed in an inner surface of the bracket. A distance between the pair of the facing-each-other surfaces on a far side in an insertion direction of the vibration proofing member is the same, in at least some regions of the bracket, as that on a near side in the insertion direction. This provides the vibration proofing device and the bracket to allow for compactly configuring the device as a whole, while sufficiently securing a retaining force between the bracket and the vibration proofing member.
F16F 1/38 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin
F16F 13/10 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
F16M 13/02 - Other supports for positioning apparatus or articlesMeans for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
A torque rod includes a rod body, a large round portion, and a small round portion. The large round portion is provided at one end of the rod body. The small round portion is provided at the other end of the rod body. The large round portion includes an outer portion, an inner portion, and a joint portion. The outer portion has a tubular shape. The inner portion is provided on an inner side of the outer portion and has an annular opening to which an attaching member is attached. The joint portion elastically joins the outer portion and the inner portion. The inner portion includes a base portion and an extending portion. The base portion has the opening formed therein. The extending portion extends from the base portion toward the small round portion. The joint portion is provided between the extending portion and the outer portion.
F16F 1/38 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin
A liquid sealed damper includes: an attachment portion attached to a peripheral portion of an opening of a vehicle or an opening and closing member for covering the opening; a contact portion to which an external force is input; an insulator configured to isolate vibration and connect the attachment portion and the contact portion; a main liquid chamber in which working liquid is sealed; an auxiliary liquid chamber having a wall portion formed of a diaphragm; and an orifice passage formed in the partition member and communicating with the main liquid chamber and the auxiliary liquid chamber. The partition member has a substantially circular surface forming a wall portion of the main liquid chamber. An opening portion at one end of the orifice passage is formed in the circular surface. The opening portion is formed to extend from an outer edge portion to a central portion of the circular surface.
F16F 7/10 - Vibration-dampersShock-absorbers using inertia effect
E05F 5/02 - Braking devices, e.g. checksStopsBuffers specially for preventing the slamming of wings
F16F 15/023 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system using fluid means
A torque rod includes: a rod body; a first coupling section provided at one end in an X-axis direction as a longitudinal direction of the rod body and having a first center axis along a Y-axis direction orthogonal to the X-axis direction; and a second coupling section provided at the other end in the X-axis direction of the rod body and being larger than the first coupling section. The first coupling section includes: an outer member having a cylinder shape connected to the rod body; an inner member provided in the center of the outer member; and an elastic member to elastically join the outer member with the inner member, and the elastic member has a spring constant in a Z-axis direction orthogonal to the X-axis direction and the Y-axis direction smaller than a spring constant in the X-axis direction.
There is provided a maintenance cover member including: a cover body for closing an opening of a power train of a vehicle; and a vibration suppressing member attached to a surface of the cover body. There is also provided a maintenance cover member including: a cover body for closing an opening of a power train of a vehicle; and a plurality of vibration suppressing members attached to a surface of the cover body. Adjacent vibration suppressing members are disposed spaced apart from each other.
A vibration proofing device (10) is provided with an insulator (50) interposed between a first mounting member (30) and a second mounting member (40), and is disposed in an internal space (95) of a second bracket (90). The first mounting member (30) has provided thereto two lateral walls (33, 33) that are disposed parallel to each other so as to face the internal surface of the second bracket (90). The second mounting member (40) is a cylindrical member having an opening (41a) that penetrates therethrough in the vertical direction. At least one lateral edge of the lateral walls (33) is disposed on an outer side of the opening (41a) of the mounting member (40). The lateral walls (33) each have disposed on the exterior surface thereof a stopper (51) that is made of an elastic member. With this configuration, it is possible to sufficiently absorb impact shock resulting from the stopper (51) hitting the second bracket (90).
F16F 13/10 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
This vibration proofing device (1) is provided with: a bracket (10) having an internal space (15); and a vibration proofing member (20) that is inserted in the internal space (15). The internal space (15) is open to an exterior surface of the bracket (10). The internal surface of the bracket (10) has formed therein at least a pair of opposing surfaces (16, 16) on which the vibration proofing member (20) is pressure-welded. The pair of opposing surfaces (16, 16), at least in respective partial areas thereof, are separated from each other by the same distance on the far side and on the near side in the insertion direction of the vibration proofing member (20). Accordingly, it is possible to provide a vibration proofing device and a bracket that enable construction of the entire device in a compact size while ensuring sufficient retentive strength between the bracket and the vibration proofing member.
F16F 13/10 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
An anti-vibration device is provided with: an anti-vibration device body, in which an insulator is disposed between a first attachment member and a second attachment member; and a bracket, which has opposing wall portions and to which the anti-vibration device body is fixed by press-fitting via the second attachment member between the wall portions. The second attachment member is provided with interlocking portions that interlock with the wall portions and restrain the anti-vibration device body from moving in the direction opposite the press-fitting direction when the anti-vibration device body is press-fitted to the bracket. Each of the interlocking portions is configured so as to have an arm part extending in the direction opposite the press-fitting direction, and a hook part provided to the extension-direction end of the arm part and caused to interlock with a to-be-interlocked part of one of the wall portions.
F16F 13/10 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
A vibration prevention device includes a vehicle body-side bracket having an inner space and a vibration prevention member disposed in the inner space. A press-fitting surface and a press-fitting groove are formed on an inner surface of the vehicle body-side bracket. The press-fitting surface and the press-fitting groove extend from an edge portion of the inner space opening through an outer surface of the bracket. The vibration prevention member has a first attachment member, a second attachment member, and an insulator disposed between the first attachment member and the second attachment member. The second attachment member has an abutting portion pressed against the press-fitting surface and an attachment portion press-fitted into the press-fitting groove.
F16F 1/36 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction
F16F 13/10 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
An object of the present invention is to provide a vibration-damping device which enhances the durability of a rubber elastic body; and inhibits the occurrence of voids in an outer cylinder. The vibration-damping device includes: an inner cylinder; a resin-made outer cylinder arranged outside the inner cylinder in a radial direction of the outer cylinder; and a rubber elastic body connecting the inner cylinder and the outer cylinder.
F16F 1/38 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin
F16F 15/08 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with rubber springs
F16F 1/387 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin comprising means for modifying the rigidity in particular directions
An object of the present invention is to provide a vibration-damping device which inhibits a flange part and an outer cylinder from breaking. The vibration-damping device includes: an inner cylinder; a resin-made outer cylinder arranged outside the inner cylinder in a radial direction; and a rubber elastic body connecting the inner cylinder and the outer cylinder.
F16F 15/08 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with rubber springs
F16F 1/38 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin
a, 31 b) defines a cavity (35) therebetween, and the base portion (21) has an opening (25) formed therein at a position corresponding to the cavity (35).
F16F 15/08 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with rubber springs
F16F 1/376 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction characterised by having a particular shape having projections, studs, serrations or the like on at least one surface
F16F 1/38 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin
The present invention provides a liquid-sealed vibration-damping device capable of improving damping performance while preventing increase in size and weight thereof, the liquid-sealed vibration-damping device including: a first attachment member; a second attachment member; an insulator; a vibration-damping unit having a partition member; and a housing space provided in the second attachment member and housing the vibration-damping unit, wherein the second attachment member includes an outer tubular part and a fixing part protruding from the outer tubular part; and a portion of the housing space extends to the fixing part.
F16F 13/10 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
The present invention suitably suppresses damage to a flange part and an outer cylinder when the flange part and the outer cylinder are assembled to an attachment member. A vibration-damping device (10) comprises an inner cylinder (11), a resin outer cylinder (12) that is disposed radially outward of the inner cylinder (11), and a rubber elastic body (13) that connects the inner cylinder (11) and the outer cylinder (12). The outer cylinder (12) comprises a press-fit part (14) that is press-fitted into an insertion hole (51) formed in an attachment member (50). The press-fit part (14) of the outer cylinder (12) comprises a flange part (17) that protrudes radially outward from an end part that is in the opposite direction from the direction in which the press-fitting into the attachment member (50) occurs. The boundary (20) between the flange part (17) and the end part of the press-fit part (14) is reinforced from axially outward of the press-fit part (14) by a reinforcing part (19).
F16F 1/38 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin
F16F 15/08 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with rubber springs
Provided is a vibration-damping device that can improve the durability of a rubber elastic body and suppress the occurrence of voids and the like in an outer cylinder. A vibration-damping device (10) that comprises an inner cylinder (11), a resin outer cylinder (12), and a rubber elastic body (13). The outer cylinder (12) comprises: a press-fitting part (14) that is press-fitted into an insertion hole (51) that is formed in an attachment member (50); a taper part (15) that is continuous with the press-fitting part (14) and is tapered so as to decrease in diameter; and a cylindrical part (16) that extends from a smaller-diameter-side end part of the taper part (15) in the direction in which the press-fitting into the attachment member (50) occurs. The cylindrical part (16) comprises protrusions (16a) that protrude in the axial direction of the outer cylinder (12). The protrusions (16a) are formed as a pair in the radial direction of the cylindrical part (16).
F16F 1/387 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin comprising means for modifying the rigidity in particular directions
F16F 15/08 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with rubber springs
The present invention achieves weight reduction and suitably prevents an outer cylinder from being damaged when the outer cylinder is installed on an attachment member. The present invention comprises an inner cylinder (11), a resin outer cylinder (12) that is arranged on the radial-direction outside of the inner cylinder (11), and a rubber elastic body (13) that connects the inner cylinder (11) and the outer cylinder (12). The outer cylinder (12) comprises: a press-fitting part that is press-fitted into an insertion hole (51) that is formed in an attachment member (50); and a taper part (15) that is continuous with the press-fitting part and extends in the direction in which the press-fitting part is inserted into the attachment member (50). The taper part (15) is tapered so as to decrease in diameter in the press-fitting direction. An outer surface (15a) of the taper part (15) is formed to be parallel to a tapered guide surface (54) that is provided at an insertion opening (53) of the insertion hole (51) of the attachment member (50).
F16F 1/38 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin
F16F 15/08 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with rubber springs
The body of an anti-vibration device is suitably prevented from coming loose from a bracket. This anti-vibration device is provided with: an anti-vibration device body (1), in which an insulator (30) is disposed between a first attachment member (10) and a second attachment member (20); and a bracket (50), which has opposing wall portions (51, 52) and to which the anti-vibration device body is fixed by press-fitting via the second attachment member (20) between the wall portions (51, 52). The second attachment member (20) is provided with interlocking portions (25) that interlock with the wall portions (51, 52) and restrain the anti-vibration device body (1) from moving in the direction opposite the press-fitting direction when the anti-vibration device body is press-fitted to the bracket (50). Each of the interlocking portions (25) is configured so as to have an arm part (26) extending in the direction opposite the press-fitting direction, and a hook part (27) provided to the extension-direction end of the arm part (26) and caused to interlock with a to-be-interlocked part of one of the wall portions (51, 52).
F16F 13/10 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
Provided is an anti-vibration device which is provided between a vibration-side bracket attached to a vibration member and a non-vibration-side bracket attached to a non-vibration member, the anti-vibration device including: a first attachment member attached to the vibration-side bracket; a second attachment member attached to the non-vibration-side bracket; and an insulator provided between the first attachment member and the second attachment member, wherein the first attachment member includes a stopper portion which faces an engagement portion formed on the non-vibration-side bracket, and the insulator includes a cover portion which covers at least a surface of the stopper portion facing the engagement portion.
F16F 13/10 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
F16F 1/36 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction
F16F 1/371 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction characterised by inserts or auxiliary extension elements, e.g. for rigidification
A liquid-sealed vibration damping device is provided that allows an outer cylindrical member to have a substantially uniform interference margin in the circumferential direction, while improving an assembling property. A second mounting member mounted on a non-vibration source includes: a first frame in a cylindrical shape that is connected to a lower portion of an insulator; a second frame in a cylindrical shape that holds a partition member arranged below the insulator; and a connector that connects the first frame with the second frame. The connector includes: engaging parts that are arranged on the first frame; and elastic hook parts that are arranged on the second frame. The elastic hook parts are arranged at intervals on each of main frame parts in the circumferential direction thereof, and the elastic hook parts arranged on corners have lower rigidity than those arranged on the main frame parts.
F16F 13/10 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
F16F 15/02 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system
Provided is a vibration damping device configured so that the cost of parts can be reduced and productivity can be increased. A vibration damping device is provided with: a mounting member (10) mounted to the vibration source side; a holder (20) mounted to the vibration receiving side; and an insulator (30) for connecting the mounting member (10) and the holder (20). The holder (20) has: a base (21) to which an end of the insulator (30) is connected; and a stopper (22) raised from the base (21). The insulator (30) has a pair of rubber legs (31a, 31b) facing each other with a gap therebetween. A cavity (35) is formed between the pair of rubber legs (31a, 31b). The base (21) has an opening (25) formed at a position corresponding to the cavity (35).
F16F 15/08 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with rubber springs
An antivibration device capable of attaining damping performance in a comparatively broad frequency band range is provided. In the antivibration device, between an inner cylinder and an outer cylinder, formed are a first liquid chamber, a second liquid chamber, and a third liquid chamber. There are provided a first orifice passage that makes the first liquid chamber and the second liquid chamber communicate with each other, and a second orifice passage that makes one of the first liquid chamber and the second liquid chamber and the third liquid chamber communicate with each other.
F16F 13/10 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
B60G 15/06 - Resilient suspensions characterised by arrangement, location, or type of combined spring and vibration- damper, e.g. telescopic type having mechanical spring and fluid damper
F16F 15/02 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system
B60G 7/02 - Attaching arms to sprung part of vehicle
B60G 13/16 - Resilient suspensions characterised by arrangement, location, or type of vibration-dampers having dynamic absorbers as main damping means, i.e. spring-mass system vibrating out of phase
An object of the present invention is to provide a liquid-charged antivibration device for reducing amplitude dependency. Provided is a liquid-charged antivibration device including: a liquid chamber in which operating liquid is charged; and a partitioning member which partitions the liquid chamber into a main liquid chamber and a sub liquid chamber.
F16F 13/10 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
A liquid-sealed vibration prevention device is provided with a main rubber-elastic body for elastically connecting an inner cylinder with an intermediate sleeve, an outer cylinder for sheathing the intermediate sleeve, and a seal rubber layer positioned on the inner-circumferential surface of the outer cylinder. The intermediate sleeve has an upper ring part, and the upper end face of the upper ring part is provided with an inclined projection part which extends diagonally upward toward the inner cylinder. Moreover, a pair of rotation-stop rubbers that holds the inclined projection part in the circumferential direction of the intermediate sleeve is provided on the inner side of an annular recess of the outer cylinder and on the upper part side of the seal rubber layer.
F16F 13/04 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
F16F 13/16 - Units of the bushing type specially adapted for receiving axial loads
B60G 15/06 - Resilient suspensions characterised by arrangement, location, or type of combined spring and vibration- damper, e.g. telescopic type having mechanical spring and fluid damper
Provided is a liquid-filled vibration-damping device having improved damping performance achieved while an increase in the size and weight of the device is prevented. A liquid-filled vibration-damping device is provided with: a first mounting member (10); a second mounting member (20); an insulator (30); a vibration-damping unit (40) provided with a partition member (41); and a housing space (25) provided in the second mounting member (20) and housing the vibration-damping unit (40). The second mounting member (20) is provided with an outer cylinder section (21) and with an affixation section (22) protruding from the outer cylinder section (21). A part of the housing space (25) is configured to extend to the affixation section (22).
F16F 13/10 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
A vibration-damping device (1) is provided with a partition member (40) and a diaphragm (50), which are mounted to an insulator (30). The partition member (40) is provided with a lower holder (41) which is mounted to the insulator (30) and an elastic diaphragm member (43) which is mounted to the lower holder (41). A first orifice passage (45) is formed in the lower holder (41), and a second orifice passage (46) is formed in the gap between the elastic diaphragm member (43) and the displacement prevention section (41g) of the lower holder (41). When the amplitude of vibration is greater than a predetermined amplitude, the gap between the elastic diaphragm member (43) and the displacement prevention section (41g) is closed by the elastic diaphragm member (43). As a result of this configuration, vibration in different frequency regions can be damped by the two types of the orifice passages (45, 46) without increasing the number of parts.
F16F 13/10 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
A pair of fluid chambers in which incompressible fluid is sealed and a pair of orifice-forming members that allows one fluid chamber to communicate with the other fluid chamber are arranged between an inner cylinder and an outer cylinder. The orifice-forming member has a longitudinal groove that communicates with respective fluid chambers, an orifice channel, and a liquid storage section that allows the longitudinal groove to communicate with the orifice channel. The liquid storage section is formed wider and deeper than the orifice channel.
This anti-vibration device (10) is provided between a vibration-side bracket (50) and a non-vibration-side bracket (60). The anti-vibration device (10) is provided with: a first attachment member (20) attached to the vibration-side bracket (50); a second attachment member (30) attached to the non-vibration-side bracket (60); and an insulator (40) provided between the first attachment member (20) and the second attachment member (30). The first attachment member (20) has, formed thereon, a stopper part (22) which faces an engagement part (66) formed on the non-vibration-side bracket (60). The insulator (40) has, formed thereon, a coating part (45) for covering at least the engagement-part (66) facing surface of the stopper part (22). As a result of this configuration, production costs of the brackets (50, 60) can be reduced, and the size and weight of the brackets (50, 60) can be reduced.
F16F 13/10 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
A mount apparatus that achieves both space saving and weight saving and is excellent in fatigue strength, is provided. The mount apparatus comprises a pair of attachment parts to be attached to a car body, a vibration receiving part, fixed to the attachment parts, for receiving input vibrations from a vibration source through an elastic material, and a dropout prevention plate supporting the vibration receiving part, the attachment parts and the vibration receiving part being made of resin, wherein the dropout prevention plate is arranged so as to cover an outer surface of the vibration receiving part at a predetermined interval from the outer surface of the vibration receiving part, wherein both ends of the dropout prevention plate is fixed through the pair of attachment parts to the car body.
F16M 13/02 - Other supports for positioning apparatus or articlesMeans for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
F16F 1/38 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin
The present invention provides a vibration-damping device having an inner cylinder, an outer cylinder arranged at a distance on an outer diameter side of the inner cylinder, a rubber elastic body interposed between the inner cylinder and the outer cylinder for elastically coupling the inner cylinder and the outer cylinder, and an intermediate plate embedded in the rubber elastic body. A plurality of cutout parts positioned on both end sides in the axial direction of the outer cylinder for joining an inner side rubber elastic body and an outer side rubber elastic body are formed in the intermediate plate. At least one of the cutout parts is arranged to overlap on an area that is sandwiched between two parallel imaginary planes that are adjacent to the outer peripheral surface of the inner cylinder.
F16M 1/00 - Frames or casings of engines, machines, or apparatusFrames serving as machinery beds
F16F 1/387 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin comprising means for modifying the rigidity in particular directions
F16F 1/371 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction characterised by inserts or auxiliary extension elements, e.g. for rigidification
Provided is a mount device of which workability and the ease of assembly can be improved. A mount device is provided with a first attachment member (10) placed on a vibration source side, a second attachment member (20) placed on a body side, an insulator (30) linking the two attachment members, and a restricting member (40) for restricting displacement of the first attachment member by covering the periphery of the first attachment member; the restricting member (40) being provided with a restricting peripheral wall part (40a) and a ceiling plate part (40b), and the restricting member having a configuration comprising a crimping part (46) formed at the bottom end of the restricting peripheral wall part (40a), a side opening part (45) formed by the ends of the restricting peripheral wall part (40a) and the ceiling plate part (40b), an opening flange part (43) provided in the edge of the side opening part (45), and a cutout part (44) formed in the side opening part (45), between the crimping part (46) and the opening flange part (43).
F16F 13/10 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
A liquid-sealed vibration prevention device equipped with a body-rubber-elastic body (16) for elastically connecting an inner tube (12) and an intermediate sleeve (18), an outer tube (14) for sheathing the intermediate sleeve (18), and a sealing rubber layer (22) positioned on the inner-circumferential surface of the outer tube (14), wherein the intermediate sleeve (18) has an upper-side ring part (32a), and the upper-end surface of the upper-side ring part (32a) is provided with an angled projecting part (36) which extends diagonally upward toward the inner tube (12). Furthermore, a pair of rotation-preventing rubber parts (44) for holding the angled projecting part (36) in the circumferential direction of the intermediate sleeve (18) are provided on the upper-section side of the sealing rubber layer (22) and on the inside of the ring-shaped concavity (30) of the outer tube (14).
A pair of fluid chambers in which an incompressible fluid is sealed are positioned between an inner tube and an outer tube, and a pair of orifice-forming members (20) are provided so as to connect one fluid chamber with the other fluid chamber. Furthermore, the orifice-forming members (20) have a vertical groove (62) for connecting to each of the fluid chambers, an orifice channel (64), and a liquid retention part (66) for connecting the vertical groove (62) and the orifice channel (64). In addition, the liquid retention part (66) is formed in a manner such that the groove width thereof is greater than that of the orifice channel (64), and the groove depth thereof is deeper than that of the orifice channel (64).
The present invention is provided with an inner cylinder (12), an outer cylinder (14) disposed at a distance from the outside diameter side of the inner cylinder (12), a rubber elastic element (16) interposed between the inner cylinder (12) and the outer cylinder (14) and used for elastically connecting the inner cylinder (12) and the outer cylinder (14), and an intermediate plate (18) embedded in the rubber elastic element (16). A plurality of cutout parts (36) positioned on both end sides along the axial direction of the outer cylinder (14) and used for joining an inner rubber elastic body (16a) and an outer rubber elastic body (16b) is provided to the intermediate plate (18). At least one of the cutout parts (36) is disposed so as to wrap an area (S) sandwiched between two parallel imaginary planes (T1, T2) that are tangent to the external peripheral surface of the inner cylinder (12).
F16F 1/38 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin
A bush (20) includes a base material (45) that is disposed at a vehicle body (12), an inter ring (48) that is integrally disposed at the base material (45), and a surface layer (51) that is disposed inside the inter ring (48). The inter ring (48) is arranged along an opening (47) in such a manner as to surround the opening (47). The surface layer (51) includes an insertion hole (52) and is integrally formed from a self-adhesive elastic material into a thin wall shape. A stabilizer rod (14) is inserted into the insertion hole (52).
F16F 1/38 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin
An antivibration rubber device provided between a vibration source and a vehicle body is characterized by being provided with a first mounting member (11) which is mounted to the vibration source side, an elastic member (13) which is closely attached to the surface of the first mounting member (11) and has a step formed at the end thereof on the vibration source side, and a second mounting member (12) which is integrally coupled to the first mounting member (11) via the elastic member (13) and mounted to the vehicle body side, thereby suppressing the occurrence of a crack in the elastic member of the antivibration rubber device and improving durability enabling long-term use.
F16F 13/18 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper characterised by the location or the shape of the equilibration chamber, e.g. the equilibration chamber surrounding the plastics spring or being annular
F16F 1/36 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction
F16F 13/06 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
F16F 15/08 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with rubber springs
A vibration-insulating rubber composition which comprises: a rubber component (A) that consists of an isoprene-based rubber; a rubber component (B) that consists of a butadiene-based rubber; carbon black that is present mainly in the rubber component (B); and silica that is present mainly in the rubber component (A). The rubber composition exhibits improved durability without suffering from deterioration of vibration-insulation characteristics.
12 - Land, air and water vehicles; parts of land vehicles
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Guards as part of machines; shaft couplings for machines; springs as parts of machines; engine mounts; boiler tubes as parts of machines; valves as parts of machines; chucks for machine tools, namely, conveyor robots and production line robots; power operated cultivators; current generators; diaphragms for engine mounts; engines, other than for land vehicles; fittings for engine boilers; gear boxes, other than for land vehicles; hangers as part of machines; joints for engines; universal joints other than for land vehicles; exhaust manifolds for engines; kick starters for motorcycles; electric motors for machines; motors, other than for land vehicles; propulsion machines, other than for land vehicles, namely, conveyor systems for transport of industrial supplies in factories and warehouses; grease rings as parts of machines; seal joints for engines; conveyor units, namely, shuttles for machines; silencers for motors and engines; stuffing boxes as parts of machines; transmissions for machines; connecting hose for vehicle radiators; and rubber replacement drive belts for industrial machines Handle grips for motorcycles; inner tubes for motorcycles; pedals for motorcycles; shock absorbers for automobiles; suspension shock absorbers for vehicles; shock absorbing springs for vehicles; suspension springs for vehicles; dynamic dumper for controlling and preventing vehicle vibrations; noise dumper for controlling and preventing vehicle noise; gear boxes for land vehicles; automobiles; motorcycle; trucks; vans; electric vehicles; and parts for land vehicles, namely, fuel tubes Shock absorbing buffers of rubber for vehicles, industrial machinery, domestic electrical equipment and outboard engines; flexible tubes made of rubber for use with power machinery and engines, and for use in supplying gasoline, oil and water; air conditioner hoses made of rubber; hose made of rubber for heaters; non-metal gaskets for use in power machinery and engines; soundproofing material; pipe gaskets; artificial resins and synthetic resins in the form of bars, blocks, pellets, rods, sheets and tubes for general industrial use; rings of rubber for use as pipe connection seals; rubber sleeves for protecting parts of machines; rubber stoppers; synthetic rubber; non-metal seals for general industrial use; vibration control blocks made from acrylic resins for use in controlling and preventing vibration; carbon fibers used as reinforcement in composite materials for further use in the industrial arts; pipe muffs not of metal, for use with rubber pipes and resin-treated pipes; junctions not of metal for rubber pipes and resin-treated pipes; non-metal reinforcing materials for pipes and hoses made of rubber; and stops of rubber, namely, rubber grommets for general purposes
