Title: Door lock

Abstract: A door lock including a support member formed from a pair of spaced, generally parallel sides and an end wall interconnecting the sides. A shiftable, spring biased lock bolt is carried between the sides and movable through an opening in the end wall and into locked relationship to a door strike when the door is closed. Several embodiments of the structure for moving the lock bolt away from the door strike are disclosed including the following: a rotatable shaft having a knob at each end and provided with a projection extending into a recess in the lock bolt; a pair of L-shaped levers pivotally mounted on respective sides of the support member and having respective pins in respective slots of the door lock bolt; and a shiftable plate projecting laterally from the sides of the support member and having a pin received within a camming slot through the lock bolt.

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Inventors: Klay, William F. (Palo Alto, CA, US)

Application Number: 829127
Filing Date: 1977-08-30
Publication_date: 1980-01-08
Assignee:
Primary Class(es): 292/169.17 70/451
Other Classes:
US Patent Ref:

1423825	Jul, 1922	Anderson	70/451.
1462805	Jul, 1923	Gibson	292/140.
1748599	Feb, 1930	Dermody	292/169.
1792154	Feb, 1931	Farmer	292/165.
2330011	Sep, 1943	Schlage	292/169.
2568273	Sep, 1951	Clark	292/169.
3666306	May, 1972	Genakis	292/169.
3948066	Apr, 1976	Solovieff	292/165.

Other Refs:
Primary Examiner: Foss, J. Franklin
Assistant Examiner:
Attorney: Townsend & Townsend