Safety interlock system

Details Safety interlock system Safety interlock system

1991-09-12

1993-03-02

Olszewski, Robert P.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

254 89R, 74519, 745225, B66F 700

Patent

active

051901226

ABSTRACT:
A safety interlock system is provided for enabling ascend or descend interrupt of an automotive lift platform. A interface of negative rake sinusoidal shaped surfaces is employed together with an assembly for selectably placing such surfaces against each other during descent interrupt.

REFERENCES:
patent: 1638790 (1927-08-01), Weaver
patent: 1758262 (1930-05-01), Mahoney
patent: 3038700 (1962-06-01), Ascherl
patent: 3195860 (1965-07-01), Simms
patent: 5012898 (1991-05-01), Tsymberov

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