Push pull latch bolt mechanism

Details Push pull latch bolt mechanism Push pull latch bolt mechanism

2005-08-09

2005-08-09

Estremsky, Gary (Department: 3676)

Closure fasteners

Bolts

Sliding

C292S169000, C292S170000, C292S169160, C292S358000

Reexamination Certificate

active

06926315

ABSTRACT:
The present invention relates to a latch bolt mechanism for a hinged door, and in particular, to a latch bolt mechanism actuated by push pull spindles. The latch bolt mechanism includes a bolt with an inclined surface, a housing, at least one push pull spindle with an inclined surface. The bolt is slideably mounted within the housing for movement between an extended position (extended outward from the housing) and a retracted position (positioned within the housing). The spindle slideably extends through an opening in the housing and bolt, transversely aligned with respect to the line of travel of the bolt. As the spindle is pushed towards or pulled away from the housing, the inclined surface of the spindle engages the inclined surface of the bolt to actuate movement of the bolt between the extended and retracted positions.

REFERENCES:
patent: 980630 (1911-01-01), Granger
patent: 2124099 (1938-07-01), Zagrzejewski
patent: 2939737 (1960-06-01), Nygren
patent: 4007954 (1977-02-01), Erickson
patent: 5157953 (1992-10-01), Hung
Wright Products for Inside Latch Assemblies for Push Button and Thumb Lever Handles, 10-11.

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