Bits for ingot tongs

Details Bits for ingot tongs Bits for ingot tongs

1975-02-27

1976-08-17

Cherry, Johnny D.

Handling: hand and hoist-line implements

Grapple

Well type

294106, B66C 148

Patent

active

039750450

ABSTRACT:
Improved bits for ingot tongs, an improved tong-and-bit combination, and an improved method of handling ingots. The bits are formed of a durable metal, such as a nickel alloy or a cobalt alloy, and are rotatably fastened in the tong arms. Protrusions from the outside faces of the tong arms are avoided to prevent damage to parts struck by the tongs. The distance by which the points on the bits protrude from the inside faces of the tong arms can be adjusted for different sizes of ingots. The method includes a step of rotating the bits through a small arc each time an ingot is set down, whereby a fresh area is presented upwardly after each use and wear on the bit point is distributed around the circumference.

REFERENCES:
patent: 1050479 (1913-01-01), Long
patent: 2326962 (1943-08-01), Meier
patent: 2398464 (1946-04-01), Salisbury
patent: 2705658 (1955-04-01), Barchoff
patent: 3061357 (1962-10-01), Wright
patent: 3269766 (1966-08-01), Gardner

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