Device and method for unlocking elevator doors

Details Device and method for unlocking elevator doors Device and method for unlocking elevator doors

1979-01-15

1981-02-24

Spar, Robert J.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

70465, B66B 1300

Patent

active

042522188

ABSTRACT:
A device and method for unlocking elevator doors from the outside comprises a flexible metal rod having a handle, two arms, a rectangular, "U"-shaped portion formed by the arms, and an unlocking finger remote from the handle.

REFERENCES:
patent: 885924 (1908-04-01), Hollinger
patent: 1245946 (1917-11-01), Moul
patent: 2350250 (1944-05-01), Pietrobon
patent: 2885917 (1959-05-01), Smith
patent: 4048873 (1977-09-01), Stevens

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