Detachable cantilevered headrest having a ratchet mechanism
US5964505A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 28, 1997 |
| Grant date | Oct 12, 1999 |
| Priority date | — |
| Expiry date | Feb 28, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2/888
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An adjustable headrest assembly including a mounting post for mounting the headrest assembly to a vertically adjustable tower. The headrest including an elongated body portion extending horizontally between first and second ends and defining a tubular opening for receiving a mounting post for securing the headrest to the tower. A cavity is integrally formed in the first end of the body portion and a ratchet mechanism is disposed in the cavity for pivoting the headrest in both the forward and rearward direction. The ratchet mechanism including a ratchet pivotally support by the mounting post and a rack having a plurality of rack teeth mounted along an arcuate path in the cavity of the headrest body. The assembly further including a tower cover including an expandable window portion connected between the tower and the seat back for automatically expanding coverage of the tower upon movement of the tower between a lower position and a raised position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.