Tower hoist mechanism confined within a tower interior

Details Tower hoist mechanism confined within a tower interior Tower hoist mechanism confined within a tower interior

1998-11-23

2000-08-08

Olszewski, Robert P.

Elevator, industrial lift truck, or stationary lift for vehicle

Having specific load support drive-means or its control

187271, 74 8914, B66B 902

Patent

active

060987588

ABSTRACT:
A hoist mechanism for raising and lowering a platform within the interior of a tower and confined within the tower interior. In a first illustrative embodiment, a motor driven worm gear drives rubber coated wheels that are spring loaded to apply pressure to vertical tower members.

REFERENCES:
patent: 828029 (1906-08-01), Jackson
patent: 1576266 (1926-03-01), Biggert, Jr.
patent: 2661082 (1953-12-01), Ziegle
patent: 5570546 (1996-11-01), Butterworth et al.
5 drawing figures, Jan. 1905.

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