Control lever mechanism in lifting apparatus

Details Control lever mechanism in lifting apparatus Control lever mechanism in lifting apparatus

1974-10-07

1976-04-06

Spar, Robert J.

Implements or apparatus for applying pushing or pulling force

Step-by-step traveling bar

Pawl actuated

74543, 2541757, B66D 148

Patent

active

039484874

ABSTRACT:
An control lever mechanism in a lifting apparatus which moves a load in response to a target speed signal, comprises a T-shaped rotary lever and a gear mechanism related to a target speed signal producing device and turned by the lever so that the movement of the load gives no influence on the angle of rotation of the lever.

REFERENCES:
patent: 3390587 (1968-07-01), Ratliff, Jr.
patent: 3507478 (1970-04-01), Lewis

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