Reduction gear for vehicle seat
US6352006B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 12, 1999 |
| Grant date | Mar 5, 2002 |
| Priority date | — |
| Expiry date | Nov 12, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/19828
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A reduction gear for a vehicle seat is provided with a worm (7) connected to an end of a drive shaft (31a) and formed integrally with and on a common axis with a threaded portion (71) of the worm (7), a worm wheel (8) formed on a common axis with an output shaft (82b) and meshed with the worm (7), and a casing (6) rotatably supporting the worm (7) and the worm wheel (8) meshed with each other. The casing (6) has a worm fitting sleeve (62) for accommodating the worm (7), and the worm fitting sleeve (62) incorporates a leaf spring (9) which pushes the worm (7) in its axial direction with an extreme end of the worm (7) held in contact with the leaf spring (9).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.