Webbing take-up device
AssigneeKabushiki Kaisha Tokai Rika Denki Seisakusho
InventorsTakahiro OSAKI, Yuya NAGATA, Tomonari UMAKOSHI, Takuhiro SAITO
Life of this patent
Estimating the term…
Abstract
In a webbing take-up device, an angle from one end portion toward another end portion of a second clutch spring in a direction of winding of a coil portion from the one end portion toward the another end portion of the second clutch spring is 270°. Therefore, in a case in which the one end portion of the second clutch spring is rotated toward a side of the direction of the winding of the coil portion, one end side portion of the second clutch spring is displaced so as to bulge-out toward a side opposite to a side toward which another end side portion bulges-out.
Claims4
A webbing take-up device comprising:
- a clutch member having a coil shape and, due to rotational force being inputted to the clutch member, one end portion of the clutch member being displaced toward one side in a peripheral direction of the clutch member with respect to another end portion of the clutch member, another end side portion of the clutch member being displaced toward another side in a radial direction of the clutch member, and one end side portion of the clutch member being displaced toward one side in the radial direction, which is opposite to the another side in the radial direction;
- a rotating member, at whose inner side the clutch member is disposed, that is abutted by the one end side portion and the another end side portion of the clutch member, which have been displaced toward the one side in the radial direction and the another side in the radial direction, respectively, and to which the rotational force is transmitted via the clutch member;
- and
- a spool that takes up the webbing by being rotated in a take-up direction, and that enables transmission of rotational force between the spool and the rotating member or the clutch member.
Dependencies are inferred from the claim text.