Push-pull latch mechanism

Details Push-pull latch mechanism Push-pull latch mechanism

Filed on

1993-11-29

Date issued

1996-10-15

Examiner

Meyers, Steven N.

Patent Class

Closure fasteners

SubClass

Bolts

SubSubClass

Sliding

Other Related Categories

2923363, E05C 106

Type

Patent

Status

active

Patent number

055647596

Description

ABSTRACT:
Disclosed herein is a latch mechanism which can be easily opened by disabled individuals. On one side of a door or panel is a knob which can be pushed to unlatch the door by urging a plunger from an extended position to a retracted position. Further pushing on the knob moves the door to an open position. On the other side of the door is a knob which can be pulled to unlatch the door. Further pulling on this knob moves the door to an open position. Each knob is substantially flush with the door so that the latch is not opened by accidental bumping, and so that, prior to installation, the door can be stacked with other like doors or panels for storage or transportation.

REFERENCES:
patent: 1490777 (1922-08-01), LaFortune
patent: 2207569 (1939-06-01), Wild
patent: 2504483 (1950-04-01), Abraham
patent: 3036850 (1962-05-01), Schmid
patent: 3490803 (1970-01-01), Rollins
patent: 3655230 (1972-04-01), Armstrong
patent: 3785686 (1974-01-01), Armstrong
patent: 4007954 (1977-02-01), Erickson
patent: 4629228 (1986-12-01), Marko et al.
patent: 4986583 (1991-01-01), Campbell et al.
patent: 5085474 (1992-02-01), Toledo
patent: 5192097 (1993-03-01), Su

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