Patent · US Expired

Door knobs and levers

US4326738A · kind A · utility

3Cited by

3References

34Claims

0Family size

Inventors

Barry N. Loftus · Melbourne, AU
Hugh J. Young · Sydney, AU

Key dates

Filing date	May 3, 1979
Grant date	Apr 27, 1982
Priority date	—
Expiry date	May 3, 1999

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T292/57
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

This invention discloses door furniture such as door handles and the like for actuating a spindle operated door lock. The furniture includes a first component (2) which in use is fixedly mounted relative to the face of a door and a second component (4) which is movable relative to the first component, and a coupler (10) for coupling the second component to the spindle of the lock. The first component is located within the second component. Normally the second component includes a handle.

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