Material or article handling – Elevator or hoist and loading or unloading means therefor – Grab
Patent
1997-06-05
1998-08-11
Young, Karen M.
Material or article handling
Elevator or hoist and loading or unloading means therefor
Grab
414749, 212276, 901 49, B25G 1506
Patent
active
057918619
ABSTRACT:
A suspendable apparatus for the lifting, rotating and transferring of essentially smooth-walled cylindrical objects, where such apparatus is preferably an air cylinder. The apparatus comprises a vertically oriented lifting mechanism consisting of a lifting chamber fixed at its upper end and movable at its lower end, with power to the air cylinder in the chamber. Additionally, there is a rotating mechanism for gripping and rotating the cylindrical object, such as a drum or paper roll. The rotating mechanism is mounted on a fixed arm secured to the lower end for movement therewith. The rotating mechanism further includes a housing having a fixed end secured to the fixed arm and a second end remote therefrom. The second end includes a pair of movable gripping arms mounted for rotational movement about the second end, where the arms include at least two arcuate shaped cups positioned to apply a vacuum against the wall of the cylindrical object. Finally, a fail-safe sensing system is incorporated herein which detects a pre-determined weight of the cylindrical object, whereby at a value above this pre-determined weight, the lifting and vacuum gripping system hereof cannot be inadvertently or manual terminated.
REFERENCES:
patent: 2848128 (1958-08-01), Thompson
patent: 3103282 (1963-09-01), Nork
patent: 3227299 (1966-01-01), Draxler
patent: 3339764 (1967-09-01), Stanfield
patent: 3376061 (1968-04-01), Harris et al.
patent: 3587892 (1971-06-01), Vermette
patent: 3896957 (1975-07-01), Sinclair
patent: 4413853 (1983-11-01), Andersson
patent: 4557659 (1985-12-01), Scaglia
patent: 4640661 (1987-02-01), Rasmussen
patent: 4725186 (1988-02-01), Jerve
patent: 5039274 (1991-08-01), Bennisen
patent: 5207550 (1993-05-01), Lehman
Morse Gregory A.
Piltch Sanford J.
Young Karen M.
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