Seating furniture, in particular, a chair having a plane of symmetry, a seat surface, a backrest, a kinematic arranged on a base of the seating furniture, which has a base arm, which is rotatable relative to the base around a base axis (A1), an end arm, which is rotatable around a base arm around an intermediate axis (A2), and a furniture part that is mounted to rotate around the end arm around an end axis (A3), where the three axes (A1, A2 and A3) intersect at a central point (Z, Z1). To achieve versatile mobility, the pivotable furniture part is the backrest, that the seat surface is mounted to rotate relative to the backrest around a connection axis running orthogonally to the plane of symmetry, and that the seat surface is connected to the base via a support kinematic that constrains at least one degree of freedom.
The invention relates to an item of seating furniture (14), in particular a chair, comprising: a plane of symmetry (15); a seat surface (17); a backrest (3); a kinematics system (6) situated on a base (1) of the seating furniture, which kinematics system comprises: a base arm that can be rotated about a base axis (A1) relative to the base (1); an end arm, which can be rotated about the base arm about an intermediate axis (A2); and a furniture part, which is mounted to be rotatable about the end arm about an end axis (A3); wherein the three axes (A1, A2 and A3) intersect in a central point (Z, Z1). In order to achieve versatile movability: the pivotable furniture part is the backrest (3); the seat surface (17) is mounted so as to be rotatable, with respect to the backrest (3), about a connection axis (18) extending normally with respect to the plane of symmetry (15); and the seat surface (17) is connected to the base (1) via a support kinematics system (28) which binds at least one degree of freedom.
A virtual device for the limited pivoting of an object about a base virtual pivot point by means of a pivoting device, where a limiting device is provided for the pivoting angle. The virtual device is a mechanically stable and yet space-saving limiting device that is rotatable about an outer axis on the base and about an outer axis (23′) rotatable on the object, or on the slide, where the limiting device limits the distance and/or the angular position of the two axes relative to one another, with the proviso that the axes always occupy the same plane.
A47C 3/026 - Rocking chairs with seat, or seat and back-rest unit, elastically mounted in a rigid frame with a central column, e.g. rocking office chairsTilting chairs
A device for pivoting an object about a virtual axis by means of a kinematic system having a fixed base on which there is rotatably supported a first rotary component which has a first coupling component which rotates with respect to the base not in accordance with the rotary component, preferably not at all, characterized in that a second rotary component, constructed in a similar manner to the first, is connected to the first rotary component by means of the coupling components, whereby the portion thereof which in the case of the first rotary component corresponds to the base and which in this instance is the object carrier is rotated about the virtual axis.
F16H 37/12 - Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these three types
F16H 21/44 - Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane for conveying or interconverting oscillating or reciprocating motions
F16H 19/00 - Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
B60N 2/10 - 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 tiltable
A47C 3/025 - Rocking chairs with seat, or seat and back-rest unit, elastically mounted in a rigid frame
A47C 17/04 - Sofas, couches, settees, or the like, with movable partsChair beds
A massage couch or a massage chair having a supporting part resting on the subsurface and a pivoting part mounted thereon such that it can pivot about a horizontal axis of rotation and on which the person to be massaged sits or lies, characterized in that the axis of rotation is located higher than the supporting part. The ability of the pivoting part to pivot with respect to the supporting part is preferably achieved by means of at least one kinematic device, which comprises an articulated parallelogram on the supporting part and an articulated parallelogram on the pivoting part.
Items of furniture that include a chassis, a kinematic mechanism mounted upon the chassis, and a base furniture part that is movably coupled to the kinematic mechanism, provided that the kinematic mechanism is configured to permit independent rotation around three distinct axes, and that the three distinct axes intersect one another at a central point.
F16M 11/12 - Means for attachment of apparatusMeans allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
F16M 11/24 - Undercarriages with or without wheels changeable in height or length of legs, also for transport only
A47C 1/024 - Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable inclination
A47C 3/025 - Rocking chairs with seat, or seat and back-rest unit, elastically mounted in a rigid frame
The invention relates to a piece of furniture with a base furniture part and a pivoting furniture part, in particular an office chair (1) or a chair which is used in conjunction with virtual reality computer games, said pivoting furniture part being mounted on the base furniture part in a pivotal manner by means of a pivoting mechanism. The aim of the invention is to achieve a mobility which supports the movements of the user in particular. This is achieved in that the pivoting mechanism comprises a kinematic system (34), by means of which the pivoting furniture part (5) can carry out a spherical movement about a center of rotation lying over the base furniture part (2), preferably about a central point (10) fixed to the base, relative to the base furniture part (2). The invention describes two usable kinematic systems and embodiments relating to guides of the two parts and drives for moving said parts.
A47C 7/40 - Supports for the head or the back for the back
A47C 1/024 - Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable inclination
The invention relates to a desk-seat device comprising a base frame (2) which has a pedestal cross (20), and a seat structure (3) which has a seat surface (30) and a backrest (31), a pivoting mechanism (4, 104, 204) being provided by means of which the seat structure (3) is mounted on the base frame (2) so as to be pivotable about a horizontal pivot axis (I) between a working position and a lying position, and the pivot axis (I) being arranged relative to the base frame (2) stationarily above the seat surface (30) at least approximately in the region of a centre of gravity of the seat structure (3) including a person using the seat structure (3) properly.
The invention relates to a device by means of which a tool, a medical appliance, or another object can be pivoted about a virtual pivot point (4) fixed in space and about a virtual axis (4') fixed in space. The pivoting movement is achieved in that the device comprises at least two flat movement grids (1), each of which comprises two parallelogram linkages (8:CKGF; 9; HIED) and optionally a four-bar linkage (10; ABHG). The planes of the movement grids can be arranged parallel to one another or intersect one another in a straight line that includes the pivot point. If three movement grids are provided, said grids intersect preferably in a common straight line. The invention also relates to a novel kind of the flat movement grids used.
A61B 19/00 - Instruments, implements or accessories for surgery or diagnosis not covered by any of the groups A61B 1/00-A61B 18/00, e.g. for stereotaxis, sterile operation, luxation treatment, wound edge protectors(protective face masks A41D 13/11; surgeons' or patients' gowns or dresses A41D 13/12; devices for carrying-off, for treatment of, or for carrying-over, body liquids A61M 1/00)
B25J 9/10 - Programme-controlled manipulators characterised by positioning means for manipulator elements
The invention relates to a device for rotating an object (19) around an axis which is stationary relative to the device (2), a so-called turning device. The device according to the invention has two partial manipulators (3, 3'), each having a base part (5, 5') to which an upper arm (6, 6') is rotatably hinged around a base axis (9, 9'), to which upper arm a lower arm (7, 7') is rotatably hinged around an arm axis (10, 10'), which lower arm has an end axis (11, 11'). The base axis, the arm axis and the end axis of each partial manipulator intersect each other at one central point (12, 12'), the connection line thereof defining the turning axis (1). An intermediate piece (8) is mounted rotatably around the two end axes (11, 11') between the two lower arms (7, 7'), and is or forms an object holder (14) for the object to be rotated. The invention is useful in particular in the medical field for recumbency, chairs or tables. In one configuration, the device can also be used for plate bending.
The invention relates to an articulated-arm robot, comprising a rigid, optionally movable base (5), a base (6) that can be rotated about a preferably vertical axis (2) of the rigid base, a base arm (7) that can be rotated about a preferably horizontal base axis (3), and an end arm (8) that can be moved relative to the base arm. The invention is characterized in that a connecting element (15) is provided between the base arm (7) and the end arm (8). The connecting element is connected to each of the arms (7, 8) about a rotational axis parallel to the base axis (3), namely an arm axis (4) and an end axis (16, 22). In one embodiment, an end arm drive (29) for the motion between the base arm (7) and the end arm (8) acts on an arm guide axis (4') of the connecting element (15).
B25J 9/04 - Programme-controlled manipulators characterised by movement of the arms, e.g. cartesian co-ordinate type by rotating at least one arm, excluding the head movement itself, e.g. cylindrical co-ordinate type or polar co-ordinate type
B25J 9/10 - Programme-controlled manipulators characterised by positioning means for manipulator elements
