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

B - Operations, Transporting

66

B

B66B 9/02 (2006.01) B66B 11/04 (2006.01) E04H 12/34 (2006.01) H04Q 7/30 (2006.01)

Patent

CA 2286492

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.

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