Self aligning supports for elevator cab

Details Self aligning supports for elevator cab Self aligning supports for elevator cab

1991-11-21

1993-04-06

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

248581, B66B 900

Patent

active

051995298

ABSTRACT:
An elevator cab is supported in a frame by a plurality of substantially oval supports which have circular, in section, ends engaging planar surfaces on cab and frame. The sides of the supports are cylindrical and include an annular tooth surrounding each of the circular ends. An annular valley is interposed between the end and tooth on both ends of the support. The planar surfaces on the cab frame are formed by cup-shaped members having flat basins surrounded by an annular tooth. The rounded end of each support rolls in the basin of cup-shaped member, and the annular tooth on the cup-shaped member limits the extent of shifting of the supports by selectively entering the annular valley on the end of the support. Controlled pendulum type movement of the cab in the frame is thus achieved.

REFERENCES:
patent: 4113064 (1978-09-01), Shigeta et al.
patent: 4225014 (1980-09-01), Wheeler
patent: 4899852 (1990-02-01), Salmon et al.
patent: 5005671 (1991-04-01), Aime et al.

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