Patent · US Expired

Hinge device

US7520028B2 · kind B2 · utility

14Cited by
11References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 18, 2005
Grant dateApr 21, 2009
Priority date
Expiry dateMay 27, 2026

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE05Y2900/531
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

In the case of a hinge device with an arm and with two head pieces mounted to pivot/swivel on the ends of the arm around respectively one axis, the head pieces are respectively joined to revolve with one of the two belt pulleys, which are circumscribed by a common traction belt on one circumferential surface, and at least one of the belt pulleys is not circular but preferably elliptical.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.