[Object] Damage to a surface of a resin bush caused by press-fitting is prevented even when a configuration for positioning during welding is added.

[Solving Means] A rolled collar (40) is a steel rolled collar into which a resin bush (90) is pressed-fitted, and which is joined to a joining member by welding. The rolled collar includes a main body part (50) formed in a hollow cylindrical shape, and a clinch part that joins both end surfaces of the main body part together by fitting. The rolled collar includes a notch part (70) formed by cutting off a portion of an annular edge (53) in the main body part. Here, a convex jig determining a position of the main body part at a time of welding is fit into the notch part. The rolled collar includes a cavity part (80) formed to be hollow from an inner circumferential surface side on a wall surface around the notch part to form a clearance (81) between the press-fitted resin bush and an edge portion (71) of the notch part on the inner circumferential surface side.

An assembly (100) for a vehicle includes two longitudinal members (1, 2) and a crossmember (3) connected therebetween at a connection point (6) of the crossmember (3) to the longitudinal members (1, 2). The crossmember (3) is made predominantly of fiber composite material and the longitudinal members (1, 2) are made predominantly of a metal material. The connection point (6) between the crossmember (3) and the longitudinal member (1, 2) comprises an overlapping region (B), in which a connection segment (8) of the longitudinal member (1, 2), which is predominantly composed of metal material, overlaps at least in some segments with a part of the crossmember (3), which is predominantly composed of fiber composite material.

A rotation lock is provided to a piston rod, a collar is fitted on a small-diameter portion disposed on an end portion on a side of the piston rod extending from a cylinder, and the collar is press-fitted onto a press-fitted portion disposed on the piston rod by a press-fitting jig screwed with an external thread formed on the small-diameter portion. The press-fitting jig adds an axial force to the collar.

The present disclosure relates to an assembly for a steering system of a vehicle, the assembly comprising an axle part having a coupling recess, and a steering cylinder having a coupling projection. The coupling projection is received in the coupling recess and an interference fit is formed between the coupling projection and the coupling recess.

A control arm for a wheel suspension in a motor vehicle has a control arm body made of light metal. The control arm body has two parallel side walls. An elongated hole for an eccentric mount is provided in at least one side wall. The eccentric mount has a base plate with an elongated hole. An anchor body extending on the side of the edge of the elongated hole is provided at the rear of the base plate. At the front, the base plate has two eccentric stops projecting from the base plate. The eccentric mount is inserted with the anchor body into the elongated hole of the side wall and joined by pressing into the elongated hole.

A damping unit and an actuating unit of a damping force adjustment mechanism are inserted into a case provided to a side portion of an outer tube (outer cylinder). After the damping unit and the actuating unit are fastened together, a shock absorber main body with an upper end (another end) of a piston rod facing down is placed in a spring seat fixing jig, and a spring seat is fixed (press-fitted) over the shock absorber main body. A spring seat support portion of the spring seat fixing jig is not arranged between the damping force adjustment mechanism or a bracket and the spring seat. Thus, the spring seat can be fixed (press-fitted) over the shock absorber main body (outer cylinder) without being restricted by an arrangement of the damping force adjustment mechanism or the bracket.

A top mount assembly includes an upper plate having a first bushing accommodation portion formed to protrude upward at a center portion; a lower plate disposed below the upper plate and having a second bushing accommodation portion formed to protrude downward at a center portion; a rubber bushing accommodated in an accommodation space defined by the first bushing accommodation portion and the second bushing accommodation portion when the upper plate and the lower plate are coupled to each other; a plurality of bolts coupled to the lower plate and the upper plate so as to protrude upward from the upper plate; an upper housing integrally coupled to the lower plate and the plurality of bolts below the lower plate by an insert injection molding; a lower housing coupled to the upper housing from below the upper housing; and a bearing interposed between the upper housing and the lower housing.

A control arm for a wheel suspension in a motor vehicle. The control arm has a control arm body made of light metal, which has two side walls, and in at least one side wall an elongated hole is provided, which is designed and intended to cooperate with an eccentric adjustment device. At least one wall section of an inner wall of the elongated hole is formed by a reinforcing element, wherein the reinforcing element includes a material which has a higher hardness than the material of the side wall of the control arm body.

A vibration damper for a vehicle comprises a damper tube filled with hydraulic fluid, a working piston connected to a piston rod and arranged to move back and forth within the damper tube, wherein the interior of the damper tube is divided by the working piston into a first working chamber and a second working chamber, a pressure stop arrangement with an auxiliary piston and a pressure stop receptacle mounted inside the damper tube for receiving the auxiliary piston, wherein the additional piston is arranged to be axially movable within the pressure stop receptacle and separates a pressure stage working chamber within the pressure stop receptacle, wherein the additional piston and the piston rod are arranged so as to be movable separately from one another, and wherein a damping element is arranged between the piston rod and the additional piston for damping the contact of the piston rod with the additional piston in the pressure stage.

A damping unit and an actuating unit of a damping force adjustment mechanism are inserted into a case provided to a side portion of an outer tube (outer cylinder). After the damping unit and the actuating unit are fastened together, a shock absorber main body with an upper end (another end) of a piston rod facing down is placed in a spring seat fixing jig, and a spring seat is fixed (press-fitted) over the shock absorber main body. A spring seat support portion of the spring seat fixing jig is not arranged between the damping force adjustment mechanism or a bracket and the spring seat. Thus, the spring seat can be fixed (press-fitted) over the shock absorber main body (outer cylinder) without being restricted by an arrangement of the damping force adjustment mechanism or the bracket.