Abstract: A syringe includes a piston (16) that is slidably guided in a casing (10), and a needle (20) adapted to be withdrawn into the casing. The piston (16) and the needle (20) are connected by a coupling (22; 22?) which is adapted to assume three states: a releasable coupling state in which the needle (20) can be moved towards the front end of the casing (10) together with the piston (16), an uncoupled state in which the piston (16) can be moved back in the casing (20) separately from the needle (20), and a permanent coupling state in which the needle (20) can be withdrawn into the casing (10) by the piston (16).

Abstract: Seat inlay in the form of an elastic grid (10;64) having at least two longitudinal bars (14) which are connected by cross bars (16,18) and have hangers (20) for suspending the inlay in a frame of a seat, and the cross bars (16,18) are made of plastic and are molded to the longitudinal bars (14).

Abstract: A telescoping steering shaft, especially an intermediate steering shaft, with an inner rod (1) and an outer tube (2), placed thereon in twist-proof fashion and able to slide lengthwise by means of a roller bearing unit (3), while the roller bearing unit (3), which can move axially relative to the inner rod (1) and outer tube (2), has a plurality of rolling elements (5) held in a retainer (4), and is configured such that at least one driver (6) is mounted in the roller bearing retainer (4), engaging by form fit with the wall of the inner rod (1) and the outer tube (2).

Abstract: A luggage rack having a support member (10) and an mesh structure (14) arranged in parallel with the support member and being formed by net strings (16) that are attached to the support member (10) at closed edges of the luggage rack, characterized in that the net strings (16) are drawn into holes (18) of the support member and are attached in these holes or beyond said holes on the back side of the support member (10).

Abstract: An operating panel includes a blind (10) which supports a number of actuating elements (12, 14, 16), and a circuit substrate (18) arranged behind the blind and having switching elements (46; 48) adapted to be actuated mechanically by the operating elements, and the switching elements are located on the back side of the circuit substrate (18) facing away from the blind (10) and the operating elements (12, 14, 16) are adapted to act upon the switching elements from the back side.

Abstract: A synchronizing device in gear shift transmissions has a gear (28), a shift sleeve (30) which is displaceably engaged with the gear (28) by internal teeth (32), and thrust members (10) disposed between the gear (28) and the shift sleeve (30), each of the thrust members having a casing (12) accommodated in an axial groove (40) of the gear (28), and a spring (18) biasing a pressure member (14) against the internal teeth (32) of the shift sleeve (30). The thrust member (10) is shaped as a flat parallelepiped, and the spring (18) extends transversely of the biasing direction and is supported on the casing (12) or the gear (28) with its peripheral portion and supports the pressure member (14) with is central portion.

Abstract: A device for connecting component parts includes a blind rivet nut adapted to be anchored in one component part by a riveter which has a threaded stud; a spacer which is in threaded engagement with the blind rivet nut and, by being screwed-out, reaches a position in which it is supported at the other component part; a connecting screw adapted to be screwed into the blind rivet nut; and a torque transmitting intermediate member, which is accommodated in a receptacle of the spacer and transmits a torque onto the spacer when the connecting screw is screwed in. For anchoring the blind rivet nut in the one component part, the threaded stud is capable of being inserted into the intermediate member and the spacer and then being screwed into the blind rivet nut without causing the spacer to be rotated in its screw-out direction.

Abstract: A telescoping steering shaft, especially an intermediate steering shaft, with an inner rod (1) and an outer tube (2), placed thereon in twist-proof fashion and able to slide lengthwise by means of a roller bearing unit (3), while the roller bearing unit (3), which can move axially relative to the inner rod (1) and outer tube (2), has a plurality of rolling elements (5) held in a retainer (4), and is configured such that at least one driver (6) is mounted in the roller bearing retainer (4), engaging by form fit with the wall of the inner rod (1) and the outer tube (2).

Abstract: An apparatus for adjusting a rail (10) on a rail substructure (18), includes a support plate (24) which supports the rail (10) and is held on the rail substructure (18) by means of bolts (30) arranged on both sides of the rail, and rotatable adjusting units (28) which are each associated with one of the bolts (30) for adjusting the support plate (24) relative to the bolts (30), wherein the adjusting units (28) are coupled by a gear mechanism (46, 48, 66, 48) for being adjusted synchronously.

Abstract: A telescopic mechanism, especially for steering columns of motor vehicles, with an internal element (10), which has a flattening (12) at least on one side, and an external element (14), which is complementary to the internal element (10) and in which the internal element is guided with roll barrels, which roll at the flattening (12), wherein at least some of the roll barrels are constructed as hollow elasticity bodies (18).

Abstract: A lordosis support includes a plate that is adapted to be curved, and an adjusting mechanism for adjusting the curvature of the plate wherein the plate is elastically biased into a curved position and the adjusting mechanism is adapted to reduce the curvature of the plate.

Abstract: Seat inlay in the form of an elastic grid (10;64) having at least two longitudinal bars (14) which are connected by cross bars (16,18) and have hangers (20) for suspending the inlay in a frame of a seat, and the cross bars (16,18) are made of plastic and are molded to the longitudinal bars (14).

Abstract: Fixing device for railway rails, including a ribbed plate which supports the rail, is to be fixed on a rail substructure, and has ribs between which the rail is accommodated with its rail base, with the ribbed plate being a drawn sheet member.

Abstract: A device for connecting component parts includes a blind rivet nut adapted to be anchored in one component part by means of a riveter which has a threaded stud; a spacer which is in threaded engagement with the blind rivet nut and, by being screwed-out, reaches a position in which it is supported at the other component part; a connecting screw adapted to be screwed into the blind rivet nut; and a torque transmitting intermediate member, which is accommodated in a receptacle of the spacer and transmits a torque onto the spacer when the connecting screw is screwed in. For anchoring the blind rivet nut in the one component part, the threaded stud is capable of being inserted into the intermediate member and the spacer and then being screwed into the blind rivet nut without causing the spacer to be rotated in its screw-out direction.

Abstract: A syringe includes a piston (12) and a cylinder (11) having a cone (20) at one end thereof, and a re-use inhibiting mechanism having a trigger element (30) formed at the piston (12), wherein the trigger element (30) is provided at the front end of the piston (12) such that it cooperates with the cone (20) of the cylinder (11) when the piston (12) is pushed into the cylinder.

Abstract: A luggage rack having a support member (10) and a mesh structure (14) arranged in parallel with the support member and being formed by net strings (16) that are attached to the support member (10) at closed edges of the luggage rack, with the next strings (16) being drawn into holes (18) of the support member and being attached in these holes or beyond the holes on the back side of the support member (10).

Abstract: A method for producing a rail substructure for railroad tracks, for which a rail bed is concreted and dowels are anchored positively in the concrete in order to fasten the rails, such that the dowels are inserted into the still deformable concrete during the concreting of the track bed.

Abstract: Fixing device for railway rails, comprising a ribbed plate (14) which supports the rail (10), is to be fixed on a rail substructure (18), and has ribs (22) between which the rail is accommodated with its rail base (12), characterized in that the ribbed plate (14) is a drawn sheet member.

Abstract: An apparatus for adjusting a rail (10) on a rail substructure (18), comprising a support plate (24) which supports the rail (10) and is held on the rail substructure (18) by means of bolts (30) arranged on both sides of the rail, and rotatable adjusting units (28) which are each associated with one of the bolts (30) for adjusting the support plate (24) relative to the bolts (30), wherein the adjusting units (28) are coupled by a gear mechanism (46, 48, 66, 48) for being adjusted synchronously.

Abstract: Synchronizing system for manual transmissions, having a gear (12), a shift sleeve (14) which is in displaceable engagement with the gear (12) through internal teeth (16), and thrusters (26; 26′; 26″; 26′″) having each a pot-like casing (32) received in an axial slot (24) in the gear (12) and having a spring (34) which thrusts against the internal teeth (16) of the shift sleeve (14) and biases a pressure member (28) against the internal teeth (16), characterized in that the casing (32) of the thruster (26; 26′; 26″; 26′″) is supported so as to be able to tilt on the bottom of the slot (24) of the gear (12).