Material or article handling – Elevator or hoist and loading or unloading means therefor – Convertible attachment
Patent
1979-05-04
1981-06-09
Saifer, Robert W.
Material or article handling
Elevator or hoist and loading or unloading means therefor
Convertible attachment
414911, 414620, 414621, 414785, 294 87R, 294 90, B66F 918
Patent
active
042722209
ABSTRACT:
A drum lifter comprises a base including a pair of parallel spaced fork tubes adapted for receiving at one end and positioning over a pair of vertically adjustable forks of a lift truck. A support plate spans the other ends of the tubes and mounts thereover a transverse support pipe with spaced stops thereon. A pair of spaced sleeves are mounted upon the pipe between the stops, each sleeve having an upright jaw support plate secured thereto. A pair of laterally spaced opposed arcuate drum-engaging jaws project forwardly from the sleeves and are pivotally mounted upon the jaw support plates for rotation upon vertical axes. A stop plate is mounted on and extends laterally outward of each jaw and is engageable with the support plate when the jaws are in a horizontal position for holding the jaws to operatively clamp a drum therebetween. The jaws are adapted for outward opening movement for encompassing a drum, after the jaw support plates have been rotated upwardly on a horizontal axis disengaging the stop plates from the support plate. A modified drum lifter includes an elongated stop plate spaced between the jaws and opposed thereto whereby a pair of drums of the same or a different diameter may be gripped and lifted.
REFERENCES:
patent: 2497118 (1950-02-01), Ferrario et al.
patent: 2827189 (1958-03-01), Knudstrup
patent: 2842275 (1958-07-01), Kughler
patent: 2948428 (1960-08-01), Kughler
patent: 3172693 (1965-03-01), Hansen
patent: 3180512 (1965-04-01), Moss
patent: 3319815 (1967-05-01), Vik
patent: 3410431 (1968-11-01), Vik
patent: 3438669 (1969-04-01), Vik
patent: 3506148 (1970-04-01), Vik
patent: 3971485 (1976-07-01), Hoppey
Equipment Company of America
Saifer Robert W.
Siemens Terrance L.
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