Patent · US Expired

Seathinge

US4175301A · kind A · utility

4Cited by
6References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 6, 1978
Grant dateNov 27, 1979
Priority date
Expiry dateJan 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.