Pretensioner, seatbelt retractor, seatbelt device, and method of manufacturing pretensioner
US10549715B2 · kind B2 · utility
2Cited by
8References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 21, 2017 |
| Grant date | Feb 4, 2020 |
| Priority date | — |
| Expiry date | Mar 15, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2022/4647
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A pretensioner includes a drive wheel provided with a plurality of engaging teeth for rotating a spool, the spool for winding up a webbing for fastening a passenger; and an elongated resin component that transmits power to the drive wheel during an emergency, wherein the plurality of teeth is positioned such that, when one engaging tooth is caused to contact a tip of the elongated resin component in an approximately planer manner, another engaging tooth adjacent to the one engaging tooth in a direction opposite to a rotation direction can contact a side surface of the elongated resin component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.