Door-bolt assembly

Details Door-bolt assembly Door-bolt assembly

1987-10-22

1989-07-18

Smith, Gary L.

Closure fasteners

Bolts

Sliding

292171, 292337, E05C 116

Patent

active

048488135

ABSTRACT:
A door-bolt assembly for a door set has a stud having a pair of arms which engage respective eccentric rods coupling the doorknobs together so that one of these arms is effective to retract the door bolt in one sense of rotation of the doorknobs while the other arm is rendered ineffective and vice versa.

REFERENCES:
patent: 107578 (1870-09-01), Williams
patent: 238627 (1881-03-01), Wolfroth
patent: 1030313 (1912-06-01), Markley
patent: 1653512 (1927-12-01), Schlage
patent: 1744457 (1930-01-01), Ellingson
patent: 3179459 (1965-04-01), Lint
patent: 3829137 (1974-08-01), MacDonald
patent: 3853341 (1974-12-01), MacDonald
patent: 4012066 (1977-03-01), Salvatore
patent: 4109948 (1978-08-01), Potter et al.
patent: 4650229 (1987-03-01), Bardfeld
patent: 4662666 (1987-05-01), Wimmer
patent: 4691951 (1987-09-01), Fildan

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