Tong assembly

Details Tong assembly Tong assembly

1980-05-02

1982-08-31

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 5715, B25B 1700

Patent

active

043466290

ABSTRACT:
A tong assembly for use in making-up and breaking-out joints of varying diameter. The tong assembly includes a housing, a carrier element, at least one jaw, a link corresponding to each jaw and pivotably connected to the carrier element and to which the corresponding jaw is pivotably connected, a drag device, and a brake. A power device may be connected to the tong assembly to drive the tong and a backup tong may be secured relative to the housing and to the power device of the tong assembly.

REFERENCES:
patent: 2550045 (1951-04-01), De Hetre
patent: 2703221 (1955-03-01), Gardner
patent: 3261241 (1966-07-01), Catland
patent: 3518903 (1970-07-01), Ham et al.
patent: 4170907 (1979-10-01), Cathcart
patent: 4215602 (1980-08-01), Carstensen et al.

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