Apparatus and methods for lifting and lowering vertically...

Details Apparatus and methods for lifting and lowering vertically... Apparatus and methods for lifting and lowering vertically...

2009-02-10

2011-10-18

Marcelo, Emmanu M (Department: 3654)

Implements or apparatus for applying pushing or pulling force

Apparatus for hauling or hoisting load, including driven...

Device includes rotatably driven, cable contacting drum

C254S324000, C254S327000

Reexamination Certificate

active

08038125

ABSTRACT:
A lifting and lowering apparatus may include: at least one cable, at least one pulley connected to the at least one cable, at least one drive member connected to the at least one cable for driving the at least one cable in at least one direction, a moveable payload attachment member for attaching to a payload to be at least one of lifted and lowered, an attachment member guide attached to the moveable payload attachment member, and an alignment guide for positioning at a position. The moveable payload attachment member may be at least one of lifted and lowered by the at least one cable. Both the attachment member guide and the alignment guide may be shaped to force the attachment member guide into a pre-determined mating position and orientation against the alignment guide at the position.

REFERENCES:
patent: 5096022 (1992-03-01), Bowers
patent: 5427356 (1995-06-01), Krotov et al.
patent: 5593139 (1997-01-01), Julian
patent: 6948734 (2005-09-01), Popham
patent: 6951345 (2005-10-01), Wilks
patent: 7290755 (2007-11-01), Thibodeaux

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