Cam-driven four-way head restraint assembly
US6899395B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 28, 2003 |
| Grant date | May 31, 2005 |
| Priority date | — |
| Expiry date | Dec 6, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2/894
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a head restraint assembly providing four-way adjustment and having dual positive stops as well as a single ergonomic control. The present invention includes a frame and a housing that engages a portion of the frame. The present invention further includes a cam assembly disposed within the housing to provide fore/aft adjustment of the housing relative to the frame. The cam assembly includes a camshaft and at least two drum assemblies supported by the camshaft. The cam assembly further includes a contact plate extending parallel to the camshaft to releasably engage the drum assemblies. The camshaft is connected to the contact plate to provide releasable engagement between the contact plate and the drum assemblies. The present invention further includes a control member to engage the cam assembly and provide for fore/aft and vertical adjustment in response to user input.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.