Seathinge
US4175301A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 6, 1978 |
| Grant date | Nov 27, 1979 |
| Priority date | — |
| Expiry date | Jan 6, 1998 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C11/10
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A seat hinge comprising a first flange 1, integral with the sitting portion, carrying a toothed sector 2, and a second flange 3, integral with the seat-back, carrying a toothed sector 5 able to vertically engage in the sector 2, further comprises a cam 16 rotatively mounted on flange 3 and coacting with the edges of an aperture 15 formed in flange 1 so as to successively obtain rocking movements of said cam around a point of said edge and jamming effects between spiral sections of said cam and said edge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.