1975-01-02
1978-10-03
Werner, Frank E.
B66F 912
Patent
active
041179390
ABSTRACT:
A hoist for raising building board from the ground to working proximity to a structure to which said board is to be affixed, e.g. a ceiling, has an inclined track which in one embodiment may be curved in such a manner as to allow the board to be loaded on a vertically disposed truck and moved upwardly on the track into position in working proximity to a horizontal working plane without bumping or jostling the board against the structure.
REFERENCES:
patent: 735965 (1903-08-01), Gillfoy
patent: 2828869 (1958-04-01), Corley
patent: 3019914 (1962-02-01), Taylor
patent: 3223199 (1965-12-01), Schwehr
patent: 3279635 (1966-10-01), Avery et al.
patent: 3432911 (1969-03-01), Rodgers
patent: 3651959 (1972-03-01), Castela
Cates Charles E.
Werner Frank E.
Yuma Desert Manufacturing, Inc.
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