Elevator system

Details Elevator system Elevator system

1982-09-24

1985-07-16

Rolla, Joseph J.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187 94, B66B 900

Patent

active

045290628

ABSTRACT:
An elevator system that includes a pair of tubular guide rails that are positioned forward of the center of gravity of the elevator car. One of the hollow rail members contains electrical wiring for servicing elevator control and indicator circuits while the other rail member slidably contains a counterweight that is attached to the car to reduce the amount of energy required to raise and lower the car. Placing the guide rails so as to favor the front or door side of the car provides for shorter electrical conduit runs and also allows the rails and the stiles of the car frame to be superimposed within the hoistway thereby saving a considerable amount of space. The car frame is also formed of hollow tubular members in which is contained the electrical service to the cab.

REFERENCES:
patent: 1978273 (1934-10-01), Lundberg et al.
patent: 3707205 (1972-12-01), Gibson
patent: 3741351 (1973-06-01), Suozzo
patent: 3885773 (1975-05-01), Dunkelberger
patent: 4043430 (1977-08-01), Kraft et al.
patent: 4222140 (1980-09-01), Olewinski et al.

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