Abstract: The invention relates to a spring-damper element (2) for mounting a punching press (1), with a hydraulic damper unit (3) with a first fluid chamber (4) and a second fluid chamber (5), wherein, in the intended operation, a hydraulic fluid is displaced from the first fluid chamber (4) via a throttle point (6) into the second fluid chamber (5) when the spring-damper element (2) is compressed. The damper unit further comprises an overload valve (7) arranged between the first fluid chamber (4) and the second fluid chamber (5), which overload valve opens when a specific fluid pressure is reached in the first fluid chamber (4) or when a specific pressure difference is reached between the first fluid chamber (4) and the second fluid chamber (5) and releases a bypass (8) via which hydraulic fluid then flows from the first fluid chamber (4) into the second fluid chamber (5) bypassing the throttle point (6).

Abstract: A wheel brake arrangement (100) for a wheel of a vehicle, the wheel brake arrangement comprising a brake pad (102) arranged to be controllable between a first stage in which the brake pad is connected to a brake disc for reducing the speed of the vehicle, and a second stage in which the brake pad is disconnected from the brake disc; and a carrier (104) connected to the brake pad for supporting the brake pad, wherein the wheel brake arrangement further comprising a resilient member (106) connected between the carrier (104) and the brake pad (102), the resilient member (106) comprising a first portion (108) connected to a surface (110) extending in a radial and tangential direction of the brake pad (102) and arranged to force the brake pad (102) away from the brake disc when the brake pad assumes the second stage, and a second portion (112) connected between a radially inner surface (114) of the brake pad (102) and a portion (116) of the carrier.

Abstract: A frictional damper includes a housing having a longitudinal axis, a tappet which is movable along the longitudinal axis, a frictional unit for generating a direction-dependent frictional force on the tappet, wherein the frictional unit includes at least one friction lining lying rubbingly against the tappet, and a switching unit for variably setting the frictional force.

Abstract: A dirt shield for shock absorbers having a piston assembly and a cylinder member with a metal dirt shield cap connected to a rod of the piston assembly. A plastic dirt shield bracket is adapted to be fixed to the metal dirt shield cap and includes a first portion and a second portion hingedly connected to one another. A dirt shield tube is connected to the plastic dirt shield bracket.

Abstract: Provided are a volume change compensation device capable of reducing a manufacturing burden with a simple configuration and a damper device including the volume change compensation device. A damper device 100 includes a rotary damper, and includes a volume change compensation device 140 in a shaft 121 of a rotor 120. The volume change compensation device 140 includes an inner cylinder piston 142 pressed by an inner cylinder piston pressing elastic body 145 in a body tube 141 communicating with a hydraulic fluid housing portion 103 of the damper device 100 through a connection path 141a. The inner cylinder piston 142 is formed in a bottomed cylindrical shape opening on a connection path 141a side. In the inner cylinder piston 142, an inner cylinder inner small piston 143 is pressed against a bottom portion 142b by a small piston pressing elastic body 144. An air hole 142c is formed at the bottom portion 142b of the inner cylinder piston 142.

Abstract: Disclosed is a magnetorheological fluid particle impact damper, which includes a damper cavity unit, wherein the damper cavity unit is provided with an electromagnetic coil in a circumferential direction, the damper cavity unit is internally provided with a plurality of horizontal shock absorbers in a uniform manner, and the left and right ends of the damper cavity unit are symmetrically provided with disc-type shock absorbers; the shock absorbers and the disc-type shock absorbers are respectively connected to the inner wall of the damper cavity unit through springs; the horizontal shock absorber includes a horizontal magnetorheological fluid cavity filled with magnetorheological fluid, the horizontal magnetorheological fluid cavity is internally provided with a horizontal impactor container, the horizontal impactor container is internally provided with a first impactor group consisting of several impactors of different sizes; the disc-type shock absorber comprises a disc-type magnetorheological fluid cavity

Abstract: The present disclosure relates to a brake mechanism, a joint actuator and a robot. The brake mechanism includes a friction member configured to be fixed to a rotor of the motor, a brake member abutting against one side of the friction member, a pushing member abutting against the other side of the friction member and configured to provide an adjustable pushing force to the brake member, a locking mechanism configured to prevent the brake member from rotating according to a brake command.

Abstract: A spring loaded retainer includes a lug receiving portion defining a first maximum outside dimension, the lug receiving portion also defining a lug receiving slot that extends partially through the lug receiving portion, forming a first sidewall, a second sidewall, and a catch surface connecting the first sidewall to the second sidewall. A drive portion defines a second maximum outside dimension, and a first flat is disposed on the outside of the lug receiving portion proximate to the first sidewall or the second sidewall.

Abstract: A vibration dampening device, a mounting assembly including a vibration dampening device, and a method of dampening vibration in a vibration-sensitive component using the same. The vibration dampening device includes a first member that rests upon or is operatively engaged with a support surface; a second member that is operatively engaged with the vibration-sensitive component; and at least one isolator assembly interposed between the first member and the second member, wherein the first member and the second member are decoupled from one another by the at least one isolator assembly. The at least one isolator assembly includes a first isolator that is at least partially embedded in the first member and a second isolator that is at least partially embedded in the second member, and an isolator insert that extends between the first isolator and second isolator. The isolator insert creates a gap between the first and second members.

Abstract: A device for use in a shoe includes a first foot, a second foot, a third foot, a fourth foot, a first flexible leg, a second flexible leg, a third flexible leg, and a fourth flexible leg. The first flexible leg extends from the first foot and is curved. The second flexible leg extends from the second foot and is curved. The third flexible leg extends from the third foot and is curved. The fourth flexible leg extends from the fourth foot and is curved. The first flexible leg, second flexible leg, third flexible leg, and fourth flexible leg are joined together with each other at a common area. The first flexible leg, second flexible leg, third flexible leg, and fourth flexible leg are configured to store energy when a force is applied to the common area, and to return energy when the force is removed from the common area.

Abstract: A rubber elastic bearing for securing a drive unit in a motor vehicle in an uncoupled manner. The bearing can be assembled between as housing of a drive unit and a support component, and the bearing can be held at least indirectly in the support component in a form-fitting manner. A joining aid for the bearing is provided such that a secure joint of the form-fitting connection with the support component can be achieved.

Abstract: A 3D printed additively manufactured (AM) elliptical bifurcating torsion flexure assembly system includes a base section; elliptical bifurcating torsion springs, each including a bifurcated legs section supported by the base; a bifurcated elliptical torsion spring section contiguous with the bifurcated legs section; and a single upper section contiguous with the elliptical torsion spring section. The single upper section includes a connection component, and the device material includes Hot Isostatic Pressing (HIP) heat-treated Ti6Al4V. The elliptical bifurcating torsion flexure assembly is printed as one part by a 3D additive manufacturing process, and the bifurcation maintains consistent balance while being torqued. The stiffness-spring rate of the device is at least partly controlled by varying cross-sectional shape and diameters by the 3D additive manufacturing printing.

Abstract: A friction based counterbalance mechanism for coupling with a closure panel of a vehicle to assist in opening and closing of the closure panel, the counterbalance mechanism including: a first housing having a first pivot connection mount for connecting to one of a body of the vehicle and the closure panel; an extension member coupled to the first housing at one end and being extendable and retractable with respect to a second housing coupled adjacent to the first housing along an axis, the second housing for connecting by a second pivot connection mount to the other of the body and the closure panel; a sliding friction mechanism having: a shaped sleeve mounted on an exterior surface of the extension member, the shaped sleeve providing an exterior friction surface; and a resilient friction element mounted to the second housing in a fixed location on the axis, the resilient friction element positioned between second housing and the shaped sleeve and biased into contact with the exterior friction surface; wherei

Abstract: A suspension system includes a first compression chamber and a second compression chamber with a damping chamber therebetween. The compression chambers may be independently filled with a compressible fluid, and the relative pressures may govern the rebound rate of the suspension. Seals that minimize friction, an adjustment system, and a stop are also included to enhance rider joy.

Abstract: A zero-stiffness impact isolation device includes a shell, a half-hourglass-shaped boss, a sliding block, a spring, a motion guide assembly, and an inner core. Where the motion guide assembly includes a linear bearing fixed to the shell and the inner core and a corresponding sliding rod, and is divided into a transverse guide assembly and a longitudinal guide assembly. The spring is sleeved outside the sliding rod of the transverse motion guide assembly, and two ends of the spring are in contact with the sliding block and the inner core, respectively. When the device suffers from external impact load, the inner core and the separated object carry out a reciprocating motion, the sliding block is extruded by the half-hourglass-shaped boss to move side to side with respect to the inner core, and the spring provides elastic force to the sliding block in the process.

Abstract: A magnetostriction-based vibration suppression apparatus for a steel pipe of a power transmission tower includes a lantern ring, four spoiler cups, and two control boxes; the lantern ring is fixedly sleeved on the steel pipe; mouths of the spoiler cups face outwards, and bottoms thereof are hinged on the lantern ring; the four spoiler cups are squarely distributed; and the two control boxes are symmetrically and fixedly mounted on the lantern ring; the control boxes are arranged as follows: the spoiler cups are arranged in pairs as a group, and each control box is arranged between two spoiler cups; each control box is provided therein with two groups of inerter units corresponding one-to-one to the spoiler cups. The vortex is avoided using a structure such as a spoiler cup, and the vibration kinetic energy of the steel pipe is consumed, thereby achieving an effective vibration reduction effect.

Abstract: The present application relates to a synchronously driven brake, belonging to the field of vehicle brake devices. The synchronously driven brake includes a balancing frame configured to be connected with a brake cable and driven by the brake cable, wherein a pull cable is connected to the balancing frame and connected with two cable locking members, and configured to apply a same force to the two cable locking members; braking portions driven by the cable locking member to move and press against a wheel rim to decelerate the wheel rim are respectively connected to the cable locking members; and the synchronously driven brake further includes restoring portions applying to the braking portions a force enabling the braking portions to move away from the wheel rim.

Abstract: A shock absorber includes: a first passage through which a working fluid flows from a chamber inside a cylinder; a second passage which communicates with the chamber; a damping force generation mechanism which is provided in the first passage, a communication hole which is provided with at least a part of a passage of the second passage and is formed in a piston rod communicating with at least the chamber; a housing which has a passage of least a part of the second passage; a free piston which is movably provided inside the housing and defines the second passage into an upstream side and a downstream side of a flow of the working fluid when the piston moves in one direction, and an elastic body which is provided between the free piston and the housing. The free piston is formed of a resin material.

Abstract: A drum brake apparatus includes: a housing; a main braking part installed on one side of the housing, and driven by hydraulic pressure so as to press a shoe during main braking; and a parking braking part installed on another side of the housing, and driven by an electromotive force of an actuator so as to press the shoe during parking braking. The housing includes: a housing part; a piston housing part formed on the housing part, having a hollow portion formed therein, and having the main braking part installed therein; and a rod housing part formed on the housing part, having a hollow portion formed therein, and having the parking braking part installed therein. The rod housing part is disposed at a location farther from a rotation center of the shoe than the piston housing part.

Abstract: A braking system for slideway guided amusement vehicles providing both manual and automatic braking for the slideway guided amusement vehicles is provided. The braking system includes at least one brake handle, a first shaft fixed to the at least one brake handle, a first gear concentrically positioned on and free to spin independently of the first shaft, an actuator fixed to the first shaft for providing a linear motion to a stop pin, an inlet opening on the first gear for receiving the stop pin, a second gear coupled to the first gear, concentrically fixed on a second shaft for mounting spinnably and extending horizontally to a chassis of a vehicle, at least one friction member attached to the second shaft, a tensioning means, and a control unit adapted to remove the stop pin from the inlet opening via the actuator.