Reversible door latch opener

Details Reversible door latch opener Reversible door latch opener

1990-08-14

1992-02-04

Nicholson, Eric K.

Closure fasteners

Bolts

Emergency operating means

2923363, 292244, E05C 1520

Patent

active

050854747

ABSTRACT:
A door latch opener having a reversible mounting plate, a handle reversibly mounted on the mounting plate, an actuator reversibly mounted on the mounting plate and a spring reversibly mounted between the mounting plate and the handle permitting reconfiguration of the door latch opener allowing its operation in a wide variety of orientations. The door latch opener can be used with the handle in an upward or downward position and by pulling or pushing on the handle. Two such door openers can be used on a door in a cooperating non-interfering arrangement in various combinations of configurations.

REFERENCES:
patent: 983011 (1911-01-01), Voight
patent: 1345041 (1920-06-01), Voight
patent: 1539350 (1925-05-01), Clark
patent: 2910857 (1959-11-01), Muessel
patent: 3477754 (1969-11-01), Check
patent: 3869159 (1975-03-01), Eads
patent: 4003593 (1977-01-01), Wilzig et al.
patent: 4007954 (1977-02-01), Erickson
patent: 4988136 (1991-01-01), Gressett, Jr.

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