Lifting clamp

Details Lifting clamp Lifting clamp

1989-10-05

1991-04-09

Focarino, Margaret A.

Handling: hand and hoist-line implements

Grapple

Fixed and moveable jaw

294101, B66C 144

Patent

active

050058908

ABSTRACT:
A lifting clamp includes a clamp body defining a chamber for receiving articles, first and second opposing and facing jaws coupled to the clamp body, and a drive mechanism, coupling the second jaw to the clamp body for moving the second jaw along a path relative to the first jaw within the chamber to engage the articles between the jaws. The drive mechanism has a spindle with first and second spindle parts. The first spindle part is rotatably mounted in the clamp body. The second spindle part supports the second jaw and is guided for longitudinal movement in the first spindle part. The first spindle part drives the second spindle part to move the second jaw.

REFERENCES:
patent: 2370042 (1945-02-01), Jesionowski
patent: 2420002 (1947-05-01), McKay
patent: 2604352 (1952-07-01), Gonser
patent: 2662433 (1953-12-01), Braun
patent: 2919614 (1960-01-01), Reason et al.
patent: 3269766 (1966-08-01), Gardner
patent: 3650522 (1972-03-01), Wermuth et al.
patent: 4183571 (1980-01-01), Renfroe
patent: 4384739 (1983-05-01), Gustavsson et al.
patent: 4417361 (1983-11-01), Smith
patent: 4850630 (1989-07-01), Davies
Maschinenmarkt, Wurzburg 84,1978, p. 638.

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