Lifting apparatus

Details Lifting apparatus Lifting apparatus

1993-04-02

1996-02-13

Underwood, Donald W.

Material or article handling

Vertically swinging load support

254131, 414917, B66C 100

Patent

active

054907578

ABSTRACT:
A lifting apparatus preferably for applications in which a floor covering is to be removed and/or installed, has a lever arm and support that provide portions of two interconnected linkages. An interchangeable bracket is raised and lowered by the lifting apparatus. The bracket is provided with portions that insert into a partition member to raise the partition when the bracket is raised by the lifting apparatus.

REFERENCES:
patent: Re30533 (1981-03-01), Dushku
patent: 192554 (1877-06-01), Winters
patent: 502397 (1893-08-01), Lemons
patent: 833331 (1906-10-01), Michaelis
patent: 891988 (1908-06-01), Hardy
patent: 1093405 (1914-04-01), Hallen
patent: 1129494 (1915-02-01), Kelleher
patent: 1176513 (1916-03-01), Bell
patent: 4902191 (1990-02-01), Cumbest et al.
patent: 5261643 (1993-11-01), Wurdack

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