Abstract: 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.

Abstract: A gearshift lever device of this invention includes: a shift-lock lever that restricts a downward movement of a position pin when the gearshift lever is in a parking position; and a forcible release lever that presses a second arm and thereby forcibly rotates the shift-lock lever to allow the position pin to move downward. The forcible release lever includes a pressing portion that presses the second arm. The pressing portion includes a first corner portion that presses a position away from the rotational center of the shift-lock lever and a second corner portion that presses a position closer to the rotational center of the shift-lock lever than the position pressed by the first corner portion. When the pressing portion presses the second arm, the first corner portion first comes into contact with the second arm first and thereafter the second corner portion comes into contact with the second arm.

Abstract: A damper device of a starting device includes a drive member, a driven member, outer springs that transmit torque between the drive member and the driven member, first and second inner springs that are placed inward of the outer springs and that transmit torque between the drive member and the driven member, and a dynamic damper having third springs coupled to a first intermediate member as a rotary element and a turbine runner as a mass body coupled to the third springs. The third springs of the dynamic damper are disposed so as to be located next to the outer springs of the damper device in the circumferential direction.

Abstract: A four-bar linkage vibration absorbing device includes: crank members each coupled to a driven member of a damper device via a coupling shaft and each capable of swinging about the coupling shaft when the driven member is rotated; and a mass body that is coupled to the driven member via the crank members and that swings about the rotation center RC together with the crank members when the driven member is rotated. The driven member is coupled to a turbine runner of a hydraulic transmission device so as to rotate with the turbine runner.

Abstract: A damper device that includes a first torque transmission path including a first elastic body that transmits torque between the input element and the output element; and a second torque transmission path disposed in parallel with the first torque transmission path and including first and second intermediate elements, a second elastic body that transmits the torque between the input element and the first intermediate element, a third elastic body that transmits the torque between the first intermediate element and the second intermediate element, and a fourth elastic body that transmits the torque between the second intermediate element and the output element.

Abstract: 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.

Abstract: A damper device that includes an input element to which torque from an engine is transferred; an output element; a first intermediate element; a second intermediate element; a first elastic body that transfers torque between the input element and the first intermediate element; a second elastic body that transfers torque between the first intermediate element and the output element; a third elastic body that transfers torque between the input element and the second intermediate element; a fourth elastic body that transfers torque between the second intermediate element and the output element; and a fifth elastic body that transfers torque between the first intermediate element and the second intermediate element.

Abstract: A damper device that includes an input element to which torque from an engine is transferred; an output element; a first intermediate element; a second intermediate element; a first elastic body that transfers torque between the input element and the first intermediate element; a second elastic body that transfers torque between the first intermediate element and the output element; a third elastic body that transfers torque between the input element and the second intermediate element; a fourth elastic body that transfers torque between the second intermediate element and the output element; and a fifth elastic body that transfers torque between the first intermediate element and the second intermediate element.

Abstract: A starting device includes a pump impeller, a turbine runner for rotating together with the pump impeller, a damper mechanism having an input element receiving power from an internal combustion engine, an output element coupled to a speed change device, an intermediate element between the input and output elements, and a dynamic damper for damping vibration at a predetermined frequency among vibration transferred to the speed change device. The starting device includes a first dynamic damper having an elastic member and a first mass body coupled the first elastic member, and coupled to the intermediate element; and a second dynamic damper having an elastic member and a second mass body connected to the second elastic member, and coupled to the intermediate element. The first mass body of the first dynamic damper or the second mass body of the second dynamic damper includes at least the turbine runner.

Abstract: A damper device includes first inner springs configured to transmit a torque between a drive member and an intermediate member, second inner springs configured to transmit a torque between the intermediate member and a driven member, and a rotary inertia mass damper including a sun gear serving as a mass body rotating with relative rotation of the drive member to the driven member. The rotary inertia mass damper is provided in parallel to a torque transmission path including the intermediate member, the first inner springs and the second inner springs. A damping ratio ? of the intermediate member determined based on a moment of inertia J2 of the intermediate member and rigidities k1 and k2 of the first and the second inner springs and is less than a value.

Abstract: A damper device with a first intermediate element; a second intermediate element; a first elastic body that transmits torque between the input element and the first intermediate element; a second elastic body that transmits torque between the first intermediate element and the output element; a third elastic body that transmits torque between the input element and the second intermediate element; a fourth elastic body that transmits torque between the second intermediate element and the output element; and a fifth elastic body that transmits torque between the first intermediate element and the second intermediate element.

Abstract: A vibration damping device is provided with a first coupling shaft and a a second coupling shaft supported by one of a restoring force generation member and an inertial mass body to couple the restoring force generation member and the inertial mass body so that the restoring force generation member and the inertial mass body are rotatable relative to each other; and a guide portion formed in the other of the restoring force generation member and the inertial mass body to guide the second coupling shaft. The second coupling shaft swings about the first coupling shaft while keeping the interaxial distance between the shafts constant, and swings about a virtual axis, the relative position of which with respect to the inertial mass body is determined to be invariable, while keeping the interaxial distance between the virtual axis and the second coupling shaft constant.

Abstract: A centrifugal pendulum vibration absorbing device includes a flange that is coupled to a driven member that is a rotary element that rotates using power from an engine and a mass body that is coupled to the flange so as to oscillate about a pendulum fulcrum PF and is designed so as to have an effective order qeff that is greater by a correction amount ?q that is at least associated with the non-linearity of an order q of vibration of the flange and the mass body that is dependent on an oscillation angle ? of the mass body than an order qtag of vibration that is generated in the engine to be damped.

Abstract: A damper device that includes an input to which torque from an engine is transmitted; an output; a first intermediate element; a second intermediate element; a first elastic body disposed between the input and the first intermediate element; a second elastic body disposed between the first intermediate element and the output; a third elastic body disposed between the input and the second intermediate element; a fourth elastic body disposed between the second intermediate element and the output; and a fifth elastic body disposed between the first intermediate element and the second intermediate element, wherein at least one of the first to fifth elastic bodies has negative rigidity.

Abstract: The shift lever device includes a housing and a shift lever. The housing is separable in the right-left direction at connecting walls. The connecting wall has a fitting portion which protrudes from one of the pair of right and left side walls toward the other side wall and a fitting tube portion which protrudes from the other side wall toward the one side wall and into which the fitting portion is fitted. The fitting portion has a fitting-portion main part and an inner fitting part extending inward of the housing from the fitting-portion main part. The fitting tube portion has a fitting-tube-portion main part into which the fitting-portion main part is fitted, and an inner fitting tube part which extends inward of the housing from the fitting-tube-portion main part and into which the inner fitting part is fitted.

Abstract: A cushioning member between plate bodies of a mass body and at end portions, in the circumferential direction, so as not to rotate relative to the plate bodies. The peripheral edges, on both sides in the width direction, of the outer peripheral surfaces of the cushioning member's first and second side portions abutting against a support member, along with swing of the mass body, are chamfered, reducing the possibility that the cushioning member enters in a clearance between the side surfaces of the support member and the plate bodies when the cushioning members' first side portion and the support member abut, or when the cushioning member's second side portion and the support member abut, along with swing of the mass body, suppressing damage to the cushioning member.

Abstract: A damper device including an input to which power from an internal combustion engine is transmitted and an output, the damper device including: a first torque transmission path including a first elastic body that transmits torque between the input and the output; and a second torque transmission path disposed in parallel with the first torque transmission path and including an intermediate element, a second elastic body that transmits the torque between the input and the intermediate element, and a third elastic body that transmits the torque between the intermediate element and the output, wherein the second and third elastic bodies are placed outside the first elastic body in a radial direction of the damper device so as to be arranged side by side in a circumferential direction of the damper device.

Abstract: 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.

Abstract: A four-bar linkage vibration absorbing device includes: crank members each coupled to a driven member of a damper device via a coupling shaft and each capable of swinging about the coupling shaft when the driven member is rotated; and a mass body that is coupled to the driven member via the crank members and that swings about the rotation center RC together with the crank members when the driven member is rotated. The driven member is coupled to a turbine runner of a hydraulic transmission device so as to rotate with the turbine runner.

Abstract: A damper device includes a dynamic damper that has third springs coupled to an intermediate member and that also has, as a mass body coupled to the third springs, a turbine runner and a coupling member etc. The third springs of the dynamic damper are disposed so as to overlap both in the axial and radial directions of the damper device second springs that have higher rigidity than first springs and that are disposed inward of the first springs to transfer torque between a drive member and a driven member.