Abstract: A multi-layer sliding member (1) includes a backing plate (2) formed from a steel plate, a copper-plated or nickel-plated layer (4) formed on one surface (3) of the backing plate (2), a porous sintered metal layer (5) integrally bonded to the surface (3) of the backing plate (2) through the layer (4), and a coating layer (8) filling pores (6) and coating on the surface (7) of the porous sintered metal layer (5) and formed from a synthetic resin composition. The synthetic resin composition contains a PTFE as a main component and further contains, as additives, 5 to 30% by mass of a thermotropic liquid crystal polymer, 5 to 12% by mass of a polyarylketone resin, 5 to 12% by mass of a melt moldable fluororesin, and 1 to 5% by mass of a polyimide resin.

Abstract: A clearance is created between an inner circumference of a bushing main body (2) which surrounds a rack (5) across a row of rack gear teeth (50) and an outer circumference of the rack (5), and two supporting surfaces (21A, 21B) which face each other with a bushing main body axis O therebetween and a supporting surface (21C) which faces a back surface of the rack (5), each extending along an x-axis direction, are formed on the inner circumference of the bushing main body (2). The rack (5) in a neutral state is supported by the two supporting surfaces (21A, 21B) so as to be displaceable along a z-axis direction, and the rack (5) in operation is stably supported by the three supporting surfaces (21A-21C) at three places.

Abstract: The present invention makes it possible to obtain a fine finish along a trim line in a plate material while preventing scoring between a floating cutter and a main trimming press upper. A floating cutter unit is provided with: a floating cutter for cutting scrap from a plate-shaped material, said floating cutter being attached to and used in a trimming press processing device that cuts scrap from a plate material along a trim line Tr and that additionally cuts scrap along a scrap cut line Sc; a holder set for holding the floating cutter so as to be movable in the direction of an axial center O; a spring that is brought into contact with the tail end surface of the floating cutter and that applies reaction force to the floating cutter; and a pair of cutters that are attached to the holder set and positioned on both sides of the floating cutter along the trim line Tr.

Abstract: The present invention increases the positional accuracy of a floating cutter unit with respect to a press upper die for main trimming. A floating cutter unit is provided with: a floating cutter for cutting scrap from a plate-shaped material, said floating cutter being attached to and used in a trimming press processing device that cuts scrap from a plate-shaped material along a trim line Tr and that additionally cuts scrap along a scrap cut line Sc; a spring that is brought into contact with the tail end surface of the floating cutter and with a holder set for holding the floating cutter so as to be movable in the direction of an axial center O, and that applies reaction force to the floating cutter; and a guide member that is attached to the holder set, brought into contact with the floating cutter, and used to guide movement in the direction of the axial center O.

Abstract: To reduce the effect of a steering operation on feeling. A rack bush comprises: a bush body that is accommodated in a cylindrical housing, supports a load exerted on a rack bar while allowing the rack bar to move in the direction of an axial center O, and can be extended and retracted in a radial direction; and an elastic ring mounted on the bush body. The bush body has a mounting groove for mounting the elastic ring, the mounting groove being formed peripherally in an outer peripheral surface, and the mounting groove having a large-diameter part where the circumferential radius of a groove bottom is a first radius r1, and a small-diameter part where said radius is a second radius r2 that is less than the first radius r1.

Abstract: Provided is a damper capable of damping a moving member which reciprocates along an axis, using a damping force having a hysteresis property. A damper includes a cylindrical housing into which a push rod is to be inserted in the direction of an axis thereof, and a damping mechanism placed in the housing and capable of damping the push rod by a damping force having a hysteresis property, wherein the damper is to be attached using a master cylinder mount space of a clutch pedal unit.

Abstract: A slide bearing is made of synthetic resin and has an upper case, a lower case combined with the upper case, and an annular center plate placed between the upper case and the lower case so as to allow relative rotation between the upper case and the lower case. The center plate is integrally formed with the lower case. A joining surface of the lower case that joins to the center plate has a grip part, and the joining surface of the center plate has a grasp on the grip part.

Abstract: A thrust sliding bearing in which a dust cover that covers a piston rod of a strut type suspension can be securely and easily assembled to a lower case that is arranged under an upper case, and to provide the thrust sliding bearing whose mold structure for molding the lower case can be simple. In a thrust sliding bearing, a lower case, which rotatably slides around an axial center of an upper case, includes a plurality of upper tongues for engaging with at least a case-side protrusion of the upper case and a plurality of lower tongues for engaging with at least a cover-side protrusion of a dust cover, and the upper tongues and the lower tongues of the lower case protrude in the direction toward the axial center from an inner circumferential surface of a cylindrical portion provided in the lower case so as not to overlap each other in the direction of the axial center.

Abstract: Provided is a slide bearing capable of retaining strength while achieving weight reduction and cost-cutting. The slide bearing has an upper case (2) to be attached to an upper support for attaching a suspension to a vehicle body, a lower case (3) rotatably combined with the upper case (2), an annular center plate (4) located between the upper case (2) and the lower case (3), and an annular sliding sheet (5) located between the upper case (2) and the center plate (4). The lower case (3) has a lower case body (31) in a substantial cylindrical shape, a flange part (32) projecting radially outward from an outer peripheral surface of the lower case body (31), and hollow sections (321) formed on an outer peripheral surface of the flange part (32). A plurality of the hollow sections (321) are formed at equal intervals in a circumferential direction on the outer peripheral surface of the flange part (32).

Abstract: A rotary damper (1) has a first sealing ring (8a) and a first bushing (4a) which are located between a through-hole (23) of a circular cylindrical chamber (21) inside a case (2) and a lower end part (33a) of a rotor body (31) of a rotor (3), and a second sealing ring (8b) and a second bushing (4b) which are located between a through-hole (60) in a lid (6) and an upper end part (33b) of the rotor body (31).

Abstract: Provided is a rack bush capable of reducing an effect on the feeling of a steering operation. A rack bush (1) comprises: a rack bush 1 housed in a cylindrical housing (4), which supports a load applied to a rack bar (5) while allowing movement of the rack bar (5) in the direction of the axis (O) and can be freely expanded and contracted in the radial direction; and elastic rings (3) mounted on the bush body (2). The bush body (2) has mounting grooves (28), which are formed in the circumferential direction on an outer peripheral surface (22) for mounting the elastic ring (3). An axis (P) of the mounting groove (28) are shifted from the axis (O) of the bush body (2). By this arrangement, there are formed an elastic ring protruding part (10), where the elastic rings (3) protrude greatly from the outer peripheral surface (22) of the bush body (2), and an elastic ring embedded part (11), where the elastic rings (3) are embedded in the outer peripheral surface (22) of the bush body (2).

Abstract: Provided is a sliding bearing capable of reducing the number of components and reducing costs. This sliding bearing (1) is provided with; an upper case (2); a lower case (3) combined with the upper case (2); and an annular dust seal-integrated center plate (8) that has a dust seal part (6) for covering a gap between the upper case (2) and the lower case (3), is disposed between the upper case (2) and the lower case (3), and enables relative rotation between the upper case (2) and the lower case (3). The dust seal-integrated center plate (8) is integrally formed with the lower case (3).

Abstract: A rack guide for a rack and pinion steering device, a rack and pinion steering device, and a manufacturing method for a rack guide for a rack and pinion steering device have a simple configuration with a close contact property being kept between a rack guide and a rack guide base member to ensure quietness. A rack guide for a rack and pinion steering device includes: a casing; a pinion to be slidably supported by the casing; a rack bar having a rack tooth meshed with the pinion; a rack guide including an abutment portion to which the rack bar is to be slidably abutted and a recessed portion, which is continued to the abutment portion, to be spaced from the rack bar; a rack guide base member for receiving the rack guide; and an urging unit to urge the rack guide against the rack bar through the rack guide base member.

Abstract: Provided is a rotary damper on which the timing for generating a damping torque can be set freely. Groove-like bypass passages (805) that are longer in the circumferential direction than vanes (501) are formed in the upper surface (803) of a torque regulation plate (8) arranged on the bottom part (201) of a cylindrical circular chamber (200). When the rotor (5) rotates in a first rotational direction R1, if both end faces (508a, 508b) of the vanes (501) are positioned within a range of the respective bypass passages (805), each area (218) and the corresponding area (217) are communicated via the corresponding bypass passage (805), enabling movement of a viscous fluid (6) from the area (217) to the area (218).

Abstract: Provided is a resin bush capable of slidably supporting a shaft when the bush has been fitted in a housing; particularly, a resin bush suitable for use in an environment in which the effects of a difference in thermal expansion coefficients are likely to be prominent, such as a high-temperature environment, even when the housing and the shaft are made of a material such as a metal that has a different thermal expansion coefficient from that of the resin bush. In the resin bush (1), which is molded by extrusion molding, a slit (12) is formed from one axial end surface (11a) towards another axial end surface (11b). A recessed section (13) for a gate (a gate position), which is provided to the one axial end surface (11a), is provided in a position that is deviated from being symmetrical with the slit (12), at least with respect to a center axis O of a bush body (10).

Abstract: A manufacturing apparatus 1 has a leveler 3 which, while pulling out a steel plate starting with one end thereof and while transporting it, corrects the waviness and the like of the steel plate, which serves as a backing plate 2 and is constituted by a continuous strip having a thickness of 0.3 to 2.0 mm and provided as a hoop material by being wound into a coil shape.

Abstract: The objective of the present invention is to reduce the impact of production variability in a radius of curvature of a rear surface of a rack bar, for example, while enlarging a region of contact with the rack bar. A concave surface (330) is used as a rack guide seat (32) sliding surface (33).

Abstract: Provided is a damper wherein viscous fluid which fills a circular cylinder chamber is more reliably prevented from leaking. A rotary damper (1) includes: a first seal ring (8a) of an elastic body, arranged between a through-hole (23) of a circular cylinder chamber (21) in a case (2) and a lower end of a rotor body of a rotor (3); and a second seal ring (8b) of an elastic body, arranged between a through-hole (60) in a lid (6) and an upper end of the rotor body.

Abstract: A polyacetal resin composition includes: in addition to a polyacetal resin as a principal component, 1.5 to 7% by mass of an ethylene-propylene-diene rubber; 0.5 to 3% by mass of a saponified ethylene-vinyl acetate copolymer; and 0.05 to 0.3% by mass of an ethylene-?-olefin copolymer.

Abstract: Provided is a rotary damper that makes it possible to adjust braking torque characteristics. A rotary damper (1) that restricts the movement of a viscous fluid (6) with which the inside of a cylindrical chamber (200) of a case (2) has been filled and thereby generates braking torque against applied rotational force. A flow path (208) is formed in a partitioning part (204) of the cylindrical chamber (200), and a check valve (3) is movably arranged inside the flow path (208). When a rotor (4) has rotated in a normal rotation direction R1, the check valve (3) moves inside the flow path (208) in a closing direction M1 and closes the flow path (208) and, when the rotor (4) has rotated in a reverse rotation direction R2, moves inside the flow path (208) in an opening direction M2 and opens the flow path (208).