Linear recliner having an internal cam spring
US6761408B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2002 |
| Grant date | Jul 13, 2004 |
| Priority date | — |
| Expiry date | Oct 22, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2/224
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A linear recliner for a vehicle seat assembly providing selectively lockable pivotal adjustment of a seat back pivotally coupled to a seat cushion between a plurality of reclined seating positions. A housing is fixedly secured to the seat cushion. The housing includes a bore extending between front and rear ends of the housing. A chamber is formed within the housing adjacent and open to a portion of the bore. A rod extends between one end pivotally coupled to the seat back and an opposite end slidably carried within the bore of the housing for axial displacement of the rod within the bore during pivotal movement of the seat back. The rod includes a rack of teeth extending towards the chamber. A pawl lockably engagable with the rack of teeth in the rod for preventing axial displacement of the rod within the bore is pivotally coupled to the housing for movement in and out of the locking engagement with the rack of teeth in the rod. The pawl includes an opening extending between opposing and spaced apart upper and lower edges. A step portion and a relief portion define the lower edge. A cam having a primary lobe engagable with the step portion of the lower edge and a secondary lobe en…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.