Door bolt lock

Details Door bolt lock Door bolt lock

1974-12-12

1976-01-27

Wolfe, Robert L.

Locks

Operating mechanism

Key

70373, 70451, 70DIG60, E05B 908

Patent

active

039344371

ABSTRACT:
In a door bolt lock a tubular housing extends through a bore in the door near the edge thereof for housing at least one lock cylinder assembly coupled in mechanical operative association with a lock bolt assembly passing from the edge of the door into the tubular housing via an intersecting bore in the door. The tubular housing includes first and second axially separable coaxially aligned portions having flanges on their outer ends for capturing the door therebetween. The first and second tubular housing portions are threadably coupled together either directly or via a threaded insert, whereby the length of the housing is adjustable for accommodating doors of various thicknesses and whereby the two halves of the lock cylinder housing are coupled together by means of a relatively strong threaded tubular structure to make it more difficult to break apart the two halves of the housing.

REFERENCES:
patent: 180287 (1876-07-01), Towne
patent: 624411 (1899-05-01), Voight
patent: 1398044 (1921-11-01), Sheinman
patent: 1462826 (1923-07-01), Rixsan
patent: 1758203 (1930-05-01), Segal
patent: 2032765 (1936-03-01), Rolph

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