Patent · US Expired

Visible 180 degrees hinge

US4827568A · kind A · utility

21Cited by
7References
21Claims
0Family size

Inventor

Key dates

Filing dateJan 11, 1988
Grant dateMay 9, 1989
Priority date
Expiry dateJan 11, 2008

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE05Y2999/00
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

An externally visible 180 degree hinge for switching boxes having a first bearing block attached to a box casing and a U-shaped second bearing block surrounding the first. The second bearing block is attached to a door leaf and pressed into an edge area of the door leaf so that an axis of rotation of the hinge is outside a corner formed by an edge of the door.

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