Disclosed is a seat pumping device for a vehicle, the seat pumping device including: a clutch drum turned by receiving torque of a lever and having a plurality of compressing protrusions radially formed along an edge thereof to be spaced apart from each other; a brake drum coupled to the clutch drum and having a circular vertical flange protruding toward the clutch drum, the vertical flange having a plurality of supporting protrusions protruding laterally of the vertical flange to be arranged between the compressing protrusions; and a securing portion provided between the vertical flange and the clutch drum which face each other, the securing portion guiding a relative turning of the clutch drum and the brake drum while blocking a relative translation of the clutch drum and the brake drum.

A lifter device including: an input member configured to be rotated about a rotation shaft in synchronization with an operation handle and to input an operation force of the operation handle to a rotation drive mechanism and a lock mechanism; and a fixing member slidably fixing the input member to a support member rotatably supporting the rotation shaft.

A clutch unit includes a lever-side clutch part that controls transmission and interruption of rotational torque input through a lever operation, and a brake-side clutch part that transmits the rotational torque from the lever-side clutch part to an output side, and interrupts rotational torque reversely input from the output side. The brake-side clutch part includes an outer ring, which is constrained in rotation, an output shaft that outputs the rotation, and a cylindrical roller that controls the interruption of the rotational torque reversely input from the output shaft and the transmission of the rotational torque input from the lever-side clutch part through engagement and disengagement between the outer ring and the output shaft. The output shaft includes a slide gear, which meshes with a side plate during interruption of the rotational torque and does not mesh with the side plate during transmission of the rotational torque.

A clutch unit includes a lever-side clutch part to control transmission of rotational torque input through a lever operation, and a brake-side clutch part to transmit the rotational torque from the lever-side clutch part to an output side, and interrupt rotational torque from the output side. The brake-side clutch part includes an outer ring constrained in rotation, an output shaft configured to output the rotation, a cage arranged between the outer ring and the output shaft to receive the rotational torque from the lever-side clutch part, and a cylindrical roller to control the interruption of the rotational torque from the output shaft and the transmission of the rotational torque input from the cage through engagement and disengagement between the outer ring and the output shaft.

A seat adjuster having a fixed part (12), a drive element (26), an output element (22, 24), a clamping body coupling arrangement (16) by means of which a back and forth movement of the drive element (22, 24) out of a neutral position and back into the neutral position is converted into a continued movement of the output element (22, 24) in a uniform direction of rotation, and a releasable locking device for locking the output element (22) in a form-fitting manner on the fixed part (12), characterized in that the locking device is formed by a locking ring (74) which is axially displaceable between a locking position, in which it is non-rotatably coupled to the output element (22), and a release position, and cam surfaces (82, 84) are formed on the locking ring (74) and the drive element (26), which cam surfaces are complementary to one another and translate a rotation of the drive element (26) away from the neutral position into an axial movement of the locking ring (74) into the released position.

A clutch unit (100), which transmits an operational force input to an operating lever (21) to an output shaft member (30) via an input-side clutch (50) and an output-side clutch (60) and outputs the operational force to a vehicle seat (40), includes a rotation suppressing member (70) is provided which applies a rotational resistance force larger than a co-rotating force to between an input-side outer-ring member (52) and a housing (11) which is not rotated at a time of the returning operation of the operating lever (21), so as to suppress that the input-side outer-ring member (52) is co-rotated by an input-side inner-ring member (51) of the input-side clutch (50) at the time of the returning operation of the operating lever (21).

A lifter device, wherein a pawl operating member is configured to be rotatable with respect to a rotation shaft so as to rotate in accordance with an operation of an operation handle and includes a first projection protrudingly formed on its outer peripheral side for rotational alignment, wherein a support member includes a second projection which is protrudingly formed so as to face the first projection and which serves as a reference position of a pawl operating member in a rotational direction, and wherein, in a state where the operation handle is not operated, a second spring is configured to bias the first projection so as to overlap with the second projection in the rotational direction of the pawl operating member.

The present invention proposes an adjuster device (1) having a fixed element (20), an adjustable element (10) and a first locking device, wherein the adjustable element is mounted rotatably around a central axis (2) relative to the fixed element and the adjustable element can be locked relative to the fixed element by the first locking device, wherein the adjuster device comprises a second locking device as a security device, wherein the second locking device comprises an adapter plate (11) and a locking element (21), wherein the locking element is non-rotatably arranged on the fixed element and the adapter plate is arranged rotatably around the central axis, wherein in the locking position a disengaging movement of the non-rotatable locking element along an axis running parallel to the central axis is prevented by the adapter plate, wherein the adjustable element can be driven by the adapter plate and wherein the adapter plate and the adjustable element are configured in such a manner that, during the transition from a locking position into a non-locking position, the adapter plate releases the path of the locking element for the disengaging movement and the adjustable element can be driven in such a manner that the rotation of the adjustable element causes the disengaging movement, wherein the adjustable element can be rotated relative to the fixed element before the disengaging movement is released for the locking element.

An entry/exit support structure of a vehicle seat has: a side support portion that is provided in a seat transverse direction of a seat cushion, and that is displaced in a seat vertical direction; a seat sliding mechanism that supports the seat cushion to slide in a seat front-rear direction, and that has a locking device restricting sliding of the seat cushion in the seat front-rear direction; and a side support portion restricting mechanism having a release operation portion. In a state in which the release operation portion is positioned at a lock position, displacement of the side support portion in the seat vertical direction is restricted. In a state in which the release operation portion is positioned at a release position, displacement of the side support portion in the seat vertical direction is permitted and sliding of the seat cushion in the seat front-rear direction is permitted.

A lifter device including: pinion gear meshed with an input gear of a link mechanism configured to lift and lower a seat; and a rotation control device configured to control rotation of the pinion gear and including a rotation restriction mechanism including a meshed member configured to rotate together with a rotation shaft and a main meshing member configured to restrict rotation of the rotation shaft by being meshed with the meshed member; wherein the rotation restriction mechanism includes a sub-meshing member which is configured to mesh with a meshed member together with a main meshing member, and wherein the sub-meshing member has a shape which allows displacement of the sub-meshing member in a direction of gradually releasing the meshing of the sub-meshing member with the meshed member in a state where the meshing between the meshed member and the main meshing member is released.