Fire escape – ladder – or scaffold – Platform – Relatively movable sections
Patent
1994-06-29
1996-03-12
Chotkowski, Karen J.
Fire escape, ladder, or scaffold
Platform
Relatively movable sections
182 65, 182148, 108901, E04G 100, B66F 1100
Patent
active
054978513
ABSTRACT:
A lifting platform for elevating workers and materials during construction includes a load supporting deck (12). The deck is supported on a pair of intersecting channels (24). The channels are rotatable about a pin (28) which extends through upper and lower plates (30, 32). A disk shaped member (26) is supported on a lower support frame portion (48). The channels (24) are connected to brackets (40) which include a tab portions (42) which extends beneath the lower face (32) of the of the disk shaped member and is slidably positioned therewith. The platform is rotatable about the disk shaped member and can be fixed in a selected rotational position. The platform may be raised by the lower support frame portion using conventional lifting forks (64) of a forklift truck (66).
REFERENCES:
patent: 2965191 (1960-12-01), Balogh
patent: 3415339 (1968-12-01), Range
patent: 4356887 (1982-11-01), Fisher et al.
patent: 4755099 (1988-07-01), Belveal
patent: 4936414 (1990-06-01), Rybka
patent: 5018923 (1991-05-01), Melan et al.
patent: 5109952 (1992-05-01), Starks et al.
Herner Arthur C.
Walcher James G.
Chotkowski Karen J.
Jocke Ralph E.
Safety Equipment Inc.
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