A reciprocating device applied to a load-bearing member includes a motor, an eccentric wheel, a first pulley disposed on a movable base of the load-bearing member, a first belt, and a recovery mechanism disposed on the movable base. The motor and the eccentric wheel are disposed on a fixed base of the load-bearing member. The eccentric wheel is connected to the motor to be driven to rotate around an eccentric shaft of the eccentric wheel. The first belt surrounds the eccentric wheel and the first pulley. The eccentric wheel is operatively coupled to the first pulley via the first belt. When the eccentric wheel is rotated by the motor, the first pulley and the movable base connected to the first pulley is operatively coupled to the eccentric wheel. The recovery mechanism provides a reverse force to the movable base according to said linkage.

A traction saddle disposed on a tractor for connection with a traction pin of a trailer, is provided. The traction saddle includes a base, a gear set, and a damper. A gear carrier of the gear set fixes axial centers of the planetary gears of the gear set, the planetary gears are meshed with an inner ring gear of the gear set, and the inner ring gear is fixed to the base. The gear carrier is used for fixing the traction pin to rotate with the traction pin. The planetary gears are meshed with one end of a sun gear of the gear set to drive the sun gear to rotate, and the damper is connected to the other end of the sun gear to apply resistance to rotation of the sun gear. In addition, a traction pin, a tractor, a trailer, and a truck are also provided.

A bearing arrangement includes; a carrier supported by a support structure and a rotatable element having a support surface and being rotatably mounted by means of a bearing, the bearing having a component providing a bearing surface for the rotatable element, wherein a gap between the bearing surface and a surface of the rotatable element is filled with a fluid; wherein an elastic element arrangement with at least one deformable elastic element is provided so as to elastically act on the component of the bearing and a component of the carrier, wherein the rotatable element is supported via its support surface against the support structure with a support stiffness, and wherein the elastic element arrangement has a stiffness that is smaller than the support stiffness.

A planetary damper is disclosed that includes a planetary gear set and at least one clock spring. The planetary gear set includes multiple rotatable gear components including a sun gear, a planet gear assembly having a plurality of pinion gears rotatably mounted on a planet carrier, and a ring gear. The at least one clock spring includes an elongated substrate wound circumferentially around the planetary gear set. The clock spring has an innermost radial rung and an outermost radial rung spaced radially outwardly from the innermost radial rung. Each of the innermost radial rung and the outermost radial rung is connected to a different one of the gear components of the planetary gear set such that the clock spring damps vibrations imparted to the planetary damper. The use of the planetary damper within torque converter assembly to damp torsional vibrations is also disclosed.

Six through holes are formed in pinion gear supporting portions of two input plate members working as a carrier that supports pinion gears of a rotary inertia mass damper. The two input plate members are opposed to each other in such a manner that the through holes are aligned with each other. The through holes support the pinion gear. The input plate members are coupled with each other by means of rivets passing through the through holes located on both sides of the through holes. This configuration ensures strength (rigidity) of the carrier, suppresses deformation of a planetary gear, and improves meshing accuracy of gears.

A system includes a stationary component, a rotating component arranged adjacent the stationary component, and a planetary torsional vibration absorber system mounted between the stationary component and the rotating component. The planetary torsional vibration absorber system includes a planetary gear system including a ring gear, a sun gear and a carrier. At least one of the ring gear, the sun gear and the carrier is rotationally fixed to the rotating component and another of the ring gear, the sun gear and the carrier is fixedly secured to the stationary component. A tuned vibration absorber including a tunable damping and stiffness component and an inertia ring is mounted to yet another of the ring gear, the sun gear and the carrier.

A rotary inertia mass damper of a damper device is configured to include a planetary gear that includes a driven member with outer teeth, first and second input plate member as a carrier which rotatably supports a plurality of pinion gears, and a ring gear that meshes with the plurality of pinion gears and works as the mass body. The outer teeth of the driven member are arranged to be disposed outside first and second springs in a radial direction of the damper device. The driven member, the plurality of pinion gears and the ring gear are arranged to at least partially overlap with the first and second springs as viewed in the radial direction. A motion of the ring gear in the axial direction is restricted by the plurality of pinion gears.

A system includes a stationary component, a rotating component arranged adjacent the stationary component, and a planetary torsional vibration absorber system mounted between the stationary component and the rotating component. The planetary torsional vibration absorber system includes a planetary gear system including a ring gear, a sun gear and a carrier. At least one of the ring gear, the sun gear and the carrier is rotationally fixed to the rotating component and another of the ring gear, the sun gear and the carrier is fixedly secured to the stationary component. A tuned vibration absorber including a tunable damping and stiffness component and an inertia ring is mounted to yet another of the ring gear, the sun gear and the carrier.

A torque converter that is downsized in an axial direction utilizing existing space is provided. A pump impeller, a turbine runner, a lockup clutch, an elastic damper, and a planetary unit are held in a housing. A torsional vibration damping device is arranged concentrically with the lockup clutch. An input element is arranged concentrically with the lockup clutch while being connected to the lockup clutch and a drive member. An output element is connected to a driven member.

A traction saddle disposed on a tractor for connection with a traction pin of a trailer, is provided. The traction saddle includes a base, a gear set, and a damper. A gear carrier of the gear set fixes planetary gears of the gear set, the planetary gears are meshed with an inner ring gear of the gear set, and the inner ring gear is fixed to the base. The gear carrier is used for fixing the traction pin to rotate with the traction pin. The planetary gears are meshed with a sun gear of the gear set to drive the sun gear to rotate, and the damper is connected to the sun gear to apply resistance. In addition, a traction pin, a tractor, a trailer, and a truck are also provided.