Material or article handling – Elevator or hoist and loading or unloading means therefor – Grab
Patent
1983-08-30
1985-12-10
Cherry, Johnny D.
Material or article handling
Elevator or hoist and loading or unloading means therefor
Grab
254270, 294 641, 294 65, 414561, B66C 102
Patent
active
045576599
ABSTRACT:
A device can be applied to a lifting and/or transporting unit for the controlled support of loads by generating a vacuum in one or more suction pads. The device includes a vacuum gauge measuring the vacuum level in at least one of the suction pads and safely controlling movement of the device. A safety system prevents erroneous dropping of the suspended load. The suction pads for gripping the load can be mounted on a holding frame which can be changed and/or lengthened for accommodating various types of loads.
REFERENCES:
patent: 2823896 (1958-02-01), Hood
patent: 2941675 (1960-06-01), Noble et al.
patent: 3485393 (1969-12-01), Wilder
patent: 3734325 (1973-05-01), Stone
patent: 3756563 (1973-09-01), Stone
patent: 3933388 (1976-01-01), Conboy
patent: 3976205 (1976-08-01), Goransson
patent: 4228993 (1980-10-01), Cathers
Cherry Johnny D.
M. Scaglia S.p.A.
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