Invalid hoists

Details Invalid hoists Invalid hoists

1998-08-07

1999-11-23

Trettel, Michael F.

Beds

With means for relocating an invalid

With a hoisting, lifting, elevating, or raising device

5 831, 5 871, A61G 710

Patent

active

059876646

ABSTRACT:
The invalid hoist comprises a lifting arm, a sling hanger support angularly displaceable relative to the lifting arm about a vertical or substantially vertical axis, and a sling hanger which is a unitary construction pivotable about a horizontal axis relative to the sling hanger support and which presents two spaced sling attachment points on one side of the horizontal axis and at least one sling attachment point on the other side of the horizontal axis. The invalid hoist also comprises rotary drive means for pivoting the sling hanger about said horizontal axis relative to the sling hanger support and switch means for selectively rotating the rotary drive means in one or other of two opposite directions.

REFERENCES:
patent: 3407413 (1968-10-01), James
patent: 3694829 (1972-10-01), Bakker
patent: 4409696 (1983-10-01), Bakker
patent: 4712257 (1987-12-01), James
patent: 4742588 (1988-05-01), James
patent: 5649329 (1997-07-01), Horcher et al.
patent: 5692253 (1997-12-01), Keijser et al.
patent: 5784729 (1998-07-01), Dunn et al.
patent: 5845348 (1998-12-01), Dunn et al.

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