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US 2022/0177260 A1Published application
Webbing take-up device
AssigneeKabushiki Kaisha Tokai Rika Denki Seisakusho
InventorChihiro MATSUOKA
Life of this patent
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Abstract
A mechanism that limits pulling out of a webbing from a spool is electrically activated. A webbing take-up device is provided with the spool, a pawl, magnets, and a coil. In a case in which displaced to a locking position, the pawl locks rotation of the spool in the pull-out direction. The magnets are fixed to the pawl. The coil is formed by winding of a conductive wire and is disposed in close proximity with the magnets. The pawl is displaced or urged by electric current being applied to the coil.
Claims8
A webbing take-up device, comprising:
- a spool onto which is taken up a webbing that is configured to be applied to a vehicle occupant, the spool being rotated in a pull-out direction by the webbing being pulled out;
- a locking member that is integrally rotatable with the spool and displaceable relative to the spool, the locking member locking rotation of the spool in the pull-out direction in a case in which the locking member is displaced to a locking position;
- a magnet fixed to the locking member;
- and
- a coil formed by winding of a conductive wire, the coil being disposed in close proximity with the magnet,
- wherein the locking member is displaced or urged in a case in which electric current is applied to the coil.
3 more elements
Dependencies are inferred from the claim text.