Part gripping unit

Details Part gripping unit Part gripping unit

1992-03-31

1993-06-22

Cherry, Jonny D.

Handling: hand and hoist-line implements

Grapple

Load shifting

2941194, 414729, 414735, 901 29, 901 30, B25J 1500, B25J 1702

Patent

active

052211185

ABSTRACT:
A gripping unit includes a generally U-shaped frame fixed to a shaft which is rotatably connected to a manipulator arm. The actuator frame has a pair of spaced apart actuator arms. A generally U-shaped payload frame has a bracket member for attaching to a payload and a pair of payload arms extending from opposite ends of the bracket member. Each payload arm is pivotally coupled to a corresponding one of the actuator arms so that the payload frame is pivotal with respect to the actuator frame about an axis which is perpendicular to the axis of the shaft. A cam mechanism is operable to releasably hold the payload frame in certain orientations. A brake device prevents rotation of the actuator frame about the axis of the shaft.

REFERENCES:
patent: 2630931 (1953-03-01), Douglas
patent: 3301587 (1967-01-01), Heikkinen
patent: 4099762 (1978-07-01), Hultdin et al.
patent: 4229136 (1980-10-01), Panissidi
patent: 4451198 (1984-05-01), Sanderson
patent: 4636134 (1987-01-01), Tellden
patent: 5157823 (1992-10-01), Delaval et al.
Swedish Machine Group, "ERGOLIFT New Generation", Brochure, date unknown.

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