Seat reclining device for vehicle
US6637821B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2002 |
| Grant date | Oct 28, 2003 |
| Priority date | — |
| Expiry date | Sep 20, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2/2252
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Disclosed is a seat reclining device for a vehicle. The seat reclining device comprises an upper toothed bracket fastened to a lower end of a seat back frame; a lower toothed bracket fastened to a rear end of a seat cushion frame; an operating section interposed between the upper and lower toothed brackets, for allowing a seat back to be reclined; and a cover plate for covering the upper and lower toothed brackets and the operating section. The operating section comprises upper teeth internally formed on a circumferential inner surface of a groove which is depressed on the upper toothed bracket; lower teeth externally formed on a circumferential outer surface of a protrusion which projects from the lower toothed bracket toward the upper toothed bracket and is received in the groove of the upper toothed bracket, such that the lower teeth can be meshed with the upper teeth; a pair of cams accommodated in a cam hole which is defined at a center portion of the lower toothed bracket, to rotate the lower teeth of the lower toothed bracket in a desired reclining direction; and a cam spring having both ends which are respectively fitted into spring holes defined in the cams, to bias the ca…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.