Safety lock system

Details Safety lock system Safety lock system

1991-12-04

1993-05-04

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, B60S 1300

Patent

active

052072967

ABSTRACT:
A safety lock system for use in lift apparatus to prevent tool bar members from lowering from an elevated position. The system includes vertical racks secured to tool bars, locking members, and lock release devices for simultaneously releasing the locking members from the locked position to a released position. The lock members can be released from one location.

REFERENCES:
patent: 2099636 (1937-11-01), Weaver
patent: 2564267 (1951-08-01), Manke
patent: 2840248 (1958-06-01), Grove et al.
patent: 3734466 (1973-05-01), Mason
patent: 4058293 (1977-11-01), Kameda
patent: 4196887 (1980-04-01), Tsujimura
patent: 4540329 (1985-09-01), Martin
patent: 4763761 (1988-08-01), McKinsey et al.
patent: 4793593 (1988-12-01), Pittman
patent: 4856618 (1989-08-01), Isogai
Automotive Lifts & Machinery Corp. brochure "ALM 2-Post Vehicle Lifts" Feb. 1, 1990.
G & H Products brochure "Uni-Lift Model 390" undated.
Precision Metal Works brochure "Mule 3000" undated.
Snap-On Tools Corporation brochure "Above Ground Lifts For The Professional" undated.

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