Planocentric disc recliner
US6805650B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2003 |
| Grant date | Oct 19, 2004 |
| Priority date | — |
| Expiry date | Mar 28, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2/2254
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A continuously engaged recliner assembly (20) selectively locks a seat back in one of a plurality of reclined positions about a pivot axis relative to a seat cushion on a vehicle seat. The recliner assembly includes a cylindrical housing (30) having an annular rim of gear teeth (34). A carrier plate (40), having outwardly extending drive pins (42), is rotatably nested within the cylindrical housing (30). An input shaft (50) is rotatably journaled to and extends between the cylindrical housing (30) and the carrier plate (40). Rotation of the shaft (30) causes the first and second gear (60, 62) to move in a hypocycloidal motion around the annular rim of gear teeth (34). A biasing member (58) operatively interconnecting the first (52) and second (55) cams rotatably biases the first and second cams in opposing directions, in turn biasing the first (60) and second (62) gears, respectively, in opposing directions against the cylindrical housing (30), thereby minimizing play within the recliner mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.