Apparatus and method for installing elevator rails

Details Apparatus and method for installing elevator rails Apparatus and method for installing elevator rails

1984-04-23

1986-06-10

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 1R, 33404, B66B 702

Patent

active

045937940

ABSTRACT:
An apparatus and method for installing car and counterweight rails for elevators accurately positioned the rails in a linear, parallel orientation. The apparatus includes a pair of mirror-image guide assemblies which attach to the rails. Each assembly includes an adjustable reference guide assembly which positions the rail relative to an adjacent plumb line. The assembly also includes an interconnecting guide line which ensures co-planar disposition of certain rail surfaces. The method includes the steps of suspending the car and counterweight rails within the elevator shaft from above. A plumb line is suspended adjacent each rail. The lower terminus of each rails is then secured in an appropriate position relative to the other rails and the hoistway walls. The guide assemblies are then secured to the rails and adjusted to receive the plumb line in a reference location. The assemblies are then incrementally moved up the rails, the rails are adjusted such that the plumb line is received within the assemblies at the reference location and the rails are secured to the shaft walls in the desired position.

REFERENCES:
patent: 2402888 (1946-06-01), Hall
patent: 3851736 (1974-12-01), Westlake et al.
patent: 3948358 (1976-04-01), Atkey
patent: 4345671 (1982-08-01), Tosato et al.

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