Vehicle seat with tiltable backrest
US3966253A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 28, 1975 |
| Grant date | Jun 29, 1976 |
| Priority date | — |
| Expiry date | Apr 28, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2/2352
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A pair of hinge fittings is mounted at opposite lateral sides of the seat. Each fitting includes a first strap that is fixedly connected with the seat member and a second strap that is fixedly connected with the back member. A pivot connects the straps of each for relative pivotal movement. One strap of each fitting carries an arcuate gear segment and the other strap carries an engaging member which is permanently biased into engagement with the respective gear segment by a biasing spring. A control arrangement is provided which permits the engaging member to be moved out of contact with the respective gear segments. This control arrangement includes on each fitting a pivotal first arm that can be moved into and out of engagement with the respective engaging member and, when it is in such engagement, prevents the engaging member from moving out of engagement with the gear segment. A pivotable second arm is also provided on each fitting, as well as pivotable third arm which is coupled with the second arm, and a link which couples the three arms for joint movement. A connecting member connects the third arms of both fittings for simultaneous movement, and a single handle is provided …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.