Patent · US Expired

Concealed door release mechanism

US4626010A · kind A · utility

43Cited by
10References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 28, 1986
Grant dateDec 2, 1986
Priority date
Expiry dateJan 28, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T292/702
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A door release mechanism (10) for a door (24) having a latch bolt (22) is provided. The door release mechanism (10) includes a strike block (12) adapted to receive the latch bolt (22). A ramped surface (26) is provided within the strike block (12) for urging the latch bolt (22) into the door (24) to thereby open the door (24). Structure (30, 42, 48) is further provided within strike block (12) for preventing the latch bolt (22) from being withdrawn within the door (24) for maintaining the door (24) closed.

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