Abstract

A vehicle seat may have an angle detection device configured to detect a reclining angle of a seatback, an angle detection reference member configured to serve as a reference for the angle detection device, and a rotation limiting guide unit configured to connect a seat fixing structure to the angle detection reference member and to limit rotation of the angle detection reference member by guiding upward-and-downward and forward-and-rearward movements of the angle detection reference member during tilting of a seat cushion around a hinge structure.

IPC Classes  ?

• B60N 2/02 - Seats specially adapted for vehiclesArrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
• B60N 2/16 - Seats specially adapted for vehiclesArrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
• B60N 2/20 - Seats specially adapted for vehiclesArrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being tiltable, e.g. to permit easy access
• B60N 2/22 - Seats specially adapted for vehiclesArrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable

Abstract

A method for operating an optical communication device for a wireless buckle system according to the present invention comprises the steps of: (a) detecting, by a sub control module, whether a seat belt is worn; (b) transmitting, by a sub transmission/reception module, seat belt wearing information to a main transmission/reception module at a predetermined first cycle; (c) transmitting, by a main control module, the seat belt wearing information received by the main transmission/reception module to a central processing unit of a vehicle; (d) when it is determined that seat belt wearing information of one or more vehicle seats has not been transmitted to the central processing unit for a time longer than the first cycle, detecting a configuration having caused the transmission/reception error; (e) selecting an alternative means for the detected configuration having caused the transmission/reception error in step (d); and (f) switching the optical communication device for the wireless buckle system into an emergency mode through the alternative means selected in step (e) and then operating the optical communication device.

IPC Classes  ?

• H04B 10/40 - Transceivers
• B60R 22/48 - Control systems, alarms, or interlock systems, for the correct application of the belt or harness
• H04B 10/077 - Arrangements for monitoring or testing transmission systemsArrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal

Abstract

An electronic retractor system according to the present invention, comprises: an electronic retractor including a spool provided to wind or unwind webbing of a seat belt, and a locking module selectively fixing the spool to prevent the webbing from being pulled out, the electronic retractor being provided in correspondence to a vehicle sheet; a sensing assembly for sensing information generated in accordance with the driving of the vehicle; and an electronic control unit for receiving sensed data of the sensing assembly and transmitting, when the sensed data meets a preset webbing withdrawal prevention condition, a withdrawal prevention command to the electronic retractor to thereby make the locking module fix the spool to prevent the webbing from being pulled out.

IPC Classes  ?

• B60R 22/40 - Belt retractors, e.g. reels self-locking in an emergency responsive only to vehicle movement
• B60R 22/347 - Belt retractors, e.g. reels with means for permanently locking the retractor during the wearing of the belt
• B60R 22/48 - Control systems, alarms, or interlock systems, for the correct application of the belt or harness
• B60R 21/015 - Electrical circuits for triggering safety arrangements in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, e.g. for disabling triggering
• B60R 21/013 - Electrical circuits for triggering safety arrangements in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
• B60N 2/00 - Seats specially adapted for vehiclesArrangement or mounting of seats in vehicles
• B60R 21/00 - Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks

Abstract

An intelligent retractor having a mode switching lever includes: a spool around which webbing is wound; a flywheel which is provided at one side of the spool and rotates along with the rotation of the spool; a locking unit which fixes the flywheel when a predetermined condition for preventing an extension of the webbing is satisfied; and a mode switching lever which rotates in a state in which the webbing is extended by a predetermined length or greater, and operates the locking unit so that the locking unit fixes the flywheel.

IPC Classes  ?

• B60R 22/36 - Belt retractors, e.g. reels self-locking in an emergency
• B60R 22/405 - Belt retractors, e.g. reels self-locking in an emergency responsive to belt movement and vehicle movement
• B60R 22/415 - Belt retractors, e.g. reels self-locking in an emergency with additional means allowing a permanent locking of the retractor during the wearing of the belt

Abstract

An intelligent retractor having a noise removal unit includes: a spool around which webbing is wound; a flywheel which is provided at one side of the spool and rotates along with the rotation of the spool; a locking unit which fixes the flywheel when a predetermined condition for preventing an extension of the webbing is satisfied; and a noise removal unit which rotates along with the rotation of the flywheel when the webbing is retracted, and prevents vibration from being generated in the locking unit.

IPC Classes  ?

• B60R 22/34 - Belt retractors, e.g. reels
• B60R 22/36 - Belt retractors, e.g. reels self-locking in an emergency
• B60R 22/405 - Belt retractors, e.g. reels self-locking in an emergency responsive to belt movement and vehicle movement

Abstract

A pawl member holding unit of a retractor for a seat belt includes: a cam protrusion which is provided at the other side of a torsion bar that is provided inside a spool, shares a rotation axis with the spool, and rotates together with the spool, the cam protrusion moving in accordance with the rotation of the torsion bar by an operation of a pretensioner; and a rotating member which rotates about a rotating shaft in accordance with the movement of the cam protrusion, and applies external force in a direction opposite to a direction in which a pawl member, which performs an automatic locking function, protrudes.

IPC Classes  ?

• B60R 22/35 - Belt retractors, e.g. reels with means for permanently locking the retractor during the wearing of the belt the locking means being automatically actuated
• B60R 22/46 - Belt retractors, e.g. reels with means to tension the belt in an emergency

Abstract

Provided is a module for detecting fastening of a seat belt, which enables a driver to detect whether passengers fasten seat belts in a transportation means including a plurality of seats and having many passengers, the module including: transmitting units configured to detect whether the passengers seated on the seats fasten the seat belts and selectively generate signals; a receiving unit configured to independently receive the signals transmitted from the transmitting units; and a display unit configured to display information about the seat, of which the passenger fastens the seat belt, to a driver through the information received from the receiving unit, in which the signals generated in the plurality of transmitting units are distinctly separated and transmitted.

IPC Classes  ?

• B60R 22/48 - Control systems, alarms, or interlock systems, for the correct application of the belt or harness
• B60R 21/00 - Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks

Abstract

The present invention relates to a four-point seatbelt module which acts on a passenger sitting on a seat in a transportation means. The four-point seatbelt module comprises: a belt unit including a first belt and a second belt wherein the first belt part includes a first webbing and a first tongue, the first webbing being disposed vertically at one side of the seat in the transverse direction thereof to have the adjustable length, and the first tongue being provided at a part of the first webbing in the longitudinal direction thereof, and the second belt part includes a second webbing and a second tongue, the second webbing being disposed vertically adjacent to the first belt part and having the adjustable length, and the second tongue being provided at the upper end part of the second webbing in the longitudinal direction thereof to be selectively coupled to the first tongue; and a mounting unit including a first buckle to which the first tongue is coupled at the other side of the belt unit on the basis of the seat, a second buckle coupled adjacent to the first buckle in a stacked shape and having the second tongue coupled thereto, and a sliding part for making at least one of the first and second buckles vertically slide, wherein when coupled to the first and second buckles, the first and second tongues are coupled to the first and second buckles, respectively, while being coupled to each other in a stacked shape.

IPC Classes  ?

• B60R 22/12 - Construction of belts or harnesses
• B60R 22/18 - Anchoring devices
• B60R 22/26 - Anchoring devices secured to the seat

Abstract

A pretensioner having a fracture connection-type rack gear, according to the present invention, comprises: a housing having a receiving space; a pinion gear which is provided in the receiving space, and which is connected to a rotation shaft of a spool having a seat belt webbing wound thereon, and is rotated by the rotation of the spool; a micro gas generator for generating explosive power in response to an impact from outside; a transport pipe, one end of which is connected to the micro gas generator, and the other end of which is formed with an opening so as to be connected to the receiving space; a plurality of ball members which are provided in the transport pipe, and which are transported to the receiving space by the explosive power of the micro gas generator; and a rack gear which is provided in the receiving space in a fixed state so as to be fixed by a fixing part, and which is engaged with the pinion gear as the fixing part is fractured by the ball members transported to the receiving space by the explosive power of the micro gas generator, and which rotates the pinion gear by means of the remaining thrust of the ball members in a direction in which the webbing is introduced.

IPC Classes  ?

• B60R 22/34 - Belt retractors, e.g. reels
• B60R 22/46 - Belt retractors, e.g. reels with means to tension the belt in an emergency

Abstract

The present invention relates to a module for detecting fastening of seat belts, in which a driver can detect whether passengers have fastened seat belts or not in a transportation means which has a plurality of seats and which a plurality of persons are aboard, and discloses a module for detecting fastening of seat belts which comprises: transmission units for detecting whether the seat belts of the passengers seated on the seats are fastened and generating signals selectively; a receiving unit for separately receiving the respective signals transmitted from the transmission units; and a display unit for displaying information of the seats where the passengers have fastened the seat belts to the driver by means of the information received from the receiving unit, wherein the signals generated from the plurality of transmission units are distinctly separated and transmitted separately.

IPC Classes  ?

• B60R 22/48 - Control systems, alarms, or interlock systems, for the correct application of the belt or harness

Abstract

The present invention relates to a seat belt retractor for securing equipment of a baby seat, which includes: a spool wound with a webbing; a frame for rotatably attaching the spool so as to receive the webbing wound around the spool; a flywheel gear with the center provided with a drive gear coaxial with the shaft of the spool and the peripheral surface formed with unidirectional teeth, the flywheel gear being mounted on one end of the spool so as to rotate along with the spool; a lever caught by the unidirectional teeth so as to allow the retraction of the webbing but not the release of the webbing if the webbing is released to a predetermined first length, the lever being released from the unidirectional teeth so as to allow both the retraction and the release of the webbing if the webbing is released to a predetermined second length by being retracted again after having been released to the predetermined first length; an integration plate provided with a following gear interlocking with the drive gear of the flywheel so as to rotate along with the spool and the flywheel gear, the integration plate having a first plate for adjusting the lever according to the released length of the webbing; and a sensing unit arranged adjacent to the lever for sensing whether the lever has been adjusted by the first plate so as to secure the equipment of a baby seat.

IPC Classes  ?

• B60R 22/34 - Belt retractors, e.g. reels
• B60R 22/35 - Belt retractors, e.g. reels with means for permanently locking the retractor during the wearing of the belt the locking means being automatically actuated
• B60R 22/347 - Belt retractors, e.g. reels with means for permanently locking the retractor during the wearing of the belt
• B60R 22/343 - Belt retractors, e.g. reels with electrically actuated locking means

Abstract

The present invention relates to a safety belt buckle for a vehicle, which is fixed to a vehicle seat by a fixing wire and with which a tongue of the safety belt for a vehicle is engaged, comprising a buckle frame having a main body to and from which the tongue is fixed and released, wherein the buckle frame comprises a wire stopper protruding from one surface of the buckle frame in a direction in which the fixing wire is arranged so as to prevent the fixing wire from moving in a mechanism direction due to an external force, or comprises: an elastic member of which elastic deformation and elastic restoration can be performed to fix or release the tongue; and a buckle latch comprising a fixing latch and an ejector for fixing or releasing the tongue, and having an insertion groove into which the elastic member can be inserted, wherein the insertion groove is provided as a pair on one surface of the buckle latch so as to insert and fix the elastic member thereinto, and any one of the pair of insertion grooves, to which a load added for fixing the tongue to the buckle latch is more concentrated, has a greater depth than that of the other one insertion groove.

IPC Classes  ?

• B60R 22/18 - Anchoring devices

Abstract

Disclosed is a load limiter mounted within a cylindrical spool on which a webbing is wound to constrain a load applied to the webbing from exceeding a preset load, the load limiter including: a first torsion bar inserted into a hollow portion formed at a center of the spool and one end of which is coupled to one end of the spool; and a second torsion bar one end of which is connected to an opposite end of the first torsion bar to be inserted into the hollow portion of the spool together with the first torsion bar and an opposite end of which is coupled to a locker installed at an opposite end of the spool, wherein the torsion bar is configured such that a torsion load limit of the first torsion bar is smaller than a torsion load limit of the second torsion bar.

IPC Classes  ?

• B60R 22/40 - Belt retractors, e.g. reels self-locking in an emergency responsive only to vehicle movement
• B60R 22/34 - Belt retractors, e.g. reels

Abstract

A pretensioner for introducing a webbing wound in a spool by explosive power obtained by exploding gunpowder when an impact is applied from the outside, the pretensioner includes: a hollow cylinder having one side surface for inserting a portion of a pinion connected to the spool; a micro gas generator (MGG) mounted in an upper end portion of the cylinder and for transferring explosive power into the cylinder while gunpowder provided at the inside explodes when an impact is applied from the outside; a rack mounted in a length direction at the inside of the cylinder and having one end portion disposed toward the MGG and having the other end portion disposed opposite to the pinion and having gear teeth provided in one side surface separated not to engage with the pinion before receiving explosive power from the MGG; and a roller for receiving explosive power from the MGG and rotatably mounted at the other side surface opposite to one side surface of the cylinder in which a portion of the pinion is inserted so that the gear teeth of the rack engage with the pinion when the rack falls toward a lower end portion of the cylinder and for guiding the separated rack to move toward the pinion.

IPC Classes  ?

• B60R 22/46 - Belt retractors, e.g. reels with means to tension the belt in an emergency
• B60R 22/19 - Anchoring devices with means for reducing belt tension during use under normal conditions
• B60R 22/195 - Anchoring devices with means to tension the belt in an emergency

Abstract

A retractor for a seat belt is disclosed, including a frame, a spool that is mounted rotatably to the inside of the frame, a webbing that is wound on the spool to be pulled-in constantly to the inside of the frame and pulled-out freely from the inside of the frame to the outside thereof, a controller for recognizing vehicle information and controlling the pulling-in of the webbing, a motor for generating a driving force to rotate the spool in accordance with the control of the controller and a clutch for receiving the driving force from the motor and transmitting the driving force to the spool wherein the clutch includes; a driven gear that receives the driving force from a driving gear provided on a rotation shaft of the motor; a plate that is provided facing to one end of the driven gear and inter-connected with the driven gear; a braking disk that is provided to be engaged with the other face opposing one face of the plate, facing to one end of the driven gear, and is in friction with the plate to stay temporally the plate when the plate is inter-connected with the driven gear; and a locking pole that is mounted pivotably to the plate and pivoted by a rotation of the driven gear when the plate is stayed temporally by the braking disk to be meshed with a pinion gear provided on a rotation shaft of the spool thereby transmitting the driving force transmitted from the driven gear to the spool.

IPC Classes  ?

• B65H 75/30 - Arrangements to facilitate driving or braking
• B60R 22/46 - Belt retractors, e.g. reels with means to tension the belt in an emergency
• F16D 11/00 - Clutches in which the members have interengaging parts

Abstract

Disclosed is a retractor for a seat belt including a spool around which a webbing is wound, a frame rotatably coupled with the spool, a flywheel gear provided at a central portion thereof with a driving gear, having one-directional gear teeth formed along an outer circumferential surface thereof, and mounted on one end of the spool, a vehicle sensor locked with the one-directional gear teeth if the frame is inclined at a predetermined angle or more, a lever locked with the one-directional gear teeth if the webbing is withdrawn by a predetermined first length, and separated from the one-directional teeth if the webbing is introduced again so that the webbing is withdrawn by the second length, and an integrated plate including a driven gear, a first plate to adjust the lever according to a withdrawn length of the webbing, and a second plate integrated with the first plate.

IPC Classes  ?

• B60R 22/36 - Belt retractors, e.g. reels self-locking in an emergency
• B60R 22/40 - Belt retractors, e.g. reels self-locking in an emergency responsive only to vehicle movement
• B60R 22/405 - Belt retractors, e.g. reels self-locking in an emergency responsive to belt movement and vehicle movement
• B60R 22/35 - Belt retractors, e.g. reels with means for permanently locking the retractor during the wearing of the belt the locking means being automatically actuated
• B60R 22/41 - Belt retractors, e.g. reels self-locking in an emergency with additional means for preventing locking under predetermined conditions
• B60R 22/415 - Belt retractors, e.g. reels self-locking in an emergency with additional means allowing a permanent locking of the retractor during the wearing of the belt

Abstract

A buckle and a method for preventing the buckle from being released by an impact are described. The buckle may include a frame, a tongue inserted into the frame and locked with the frame, an ejector provided in the frame to push the tongue outward from the frame, a holder that prevents the ejector from pushing the tongue outward from the frame by being displaced forward the ejector, thereby maintaining locking of the tongue, and a withdrawal prevention unit that prevents the holder from moving back beyond withdrawing and being displaced backward the ejector when an impact is applied from an outside of the frame, thereby preventing the locking of the tongue from being released by the impact.

IPC Classes  ?

• A44B 11/26 - BucklesSimilar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts with push-button fastenings
• A44B 11/25 - BucklesSimilar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts