Load balancing manipulator

Details Load balancing manipulator Load balancing manipulator

1992-07-14

1993-12-14

Huppert, Michael S.

Material or article handling

Horizontally swinging load support

Swinging about pivot

4147448, 901 15, B66C 2336

Patent

active

052696448

ABSTRACT:
A load balancing manipulator is disclosed which allows the user great flexibility in moving heavy objects from place to place. The invention is supported on a base having an upstanding post to which is attached a pivoting arm having a second pivoting arm attached at a distal end of the first-mentioned arm. At the end of the second arm, a load manipulator is provided including a pneumatic cylinder-piston arrangement and a sleeve actuator for switches which, when closed, activate solenoid valves which control supply and exhaust of air to and from the cylinder, respectively. In the preferred embodiment, an electromagnet is used to hold a load in place. Battery back-up and load safety mechanism for the electromagnet are also provided.

REFERENCES:
patent: 2188364 (1940-01-01), Lannen
patent: 3266379 (1966-08-01), Kreuter
patent: 3457836 (1969-07-01), Henderson
patent: 3554091 (1971-01-01), Spyridakis et al.
patent: 3893373 (1975-07-01), Bernd et al.
patent: 4033233 (1977-07-01), Toi
patent: 4428710 (1984-01-01), Griesbach et al.
patent: 4767257 (1988-08-01), Kato
patent: 4859135 (1989-08-01), Neufeldt
patent: 5000653 (1991-03-01), Gosdowski
WO82/02019, PCT/JP81/00377, Jun. 24, 1982, Inaba et al.

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