Hoisting and clamping apparatus

Details Hoisting and clamping apparatus Hoisting and clamping apparatus

1997-06-24

1999-10-19

Cherry, Johnny D.

Handling: hand and hoist-line implements

Grapple

Pivoted jaws

294 8641, 294902, B66C 144

Patent

active

059675829

ABSTRACT:
A hoisting and clamping apparatus for a heavy object. The apparatus includes a telescopic body positioned substantially perpendicularly to the ground, a first swing body positioned substantially in a horizontal direction, and a second swing body positioned substantially in a horizontal direction. A lower end of the telescopic body and inner ends of the swing bodies are coupled with one another to freely vertically swing by a turning shaft to form an inverted T-shape. Contact pressers are provided at each lower surface of the swing bodies, wherein the contact pressers are brought into contact with a heavy object at opposite sides thereof. The swing bodies are lifted in a substantially C-shape to bring the contact pressers into clamping contact with the sides of the heavy object.

REFERENCES:
patent: 2610890 (1952-09-01), Jaeger
patent: 3488080 (1970-01-01), Hamilton
patent: 3561812 (1971-02-01), Dixon
patent: 3768853 (1973-10-01), Rennie
patent: 4133570 (1979-01-01), Hammink et al.

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