Tools – Wrench – screwdriver – or driver therefor – Machine
Patent
1980-10-31
1982-11-09
Jones, Jr., James L.
Tools
Wrench, screwdriver, or driver therefor
Machine
81 5718, 81 572, B25B 1700
Patent
active
043578438
ABSTRACT:
A tong apparatus for threadedly connecting and disconnecting elongated members is provided with a housing having a slot for receiving members to be connected. A cage support is rotatably carried by the tong housing and includes a slot for aligning with the tong housing slot to receive the members. Cage apparatus are provided in the cage support and include a slot for aligning with the tong housing slot and cage support slot to receive the members with jaws pivotally supported by the cage and having gripping surface apparatus to grip one of the members. Apparatus are provided to rotate the cage support with apparatus to initially restrain relative rotation between the cage and the cage support upon rotation of the cage support, with the cage support and jaw including cooperating apparatus engageable upon rotation of the cage support to urge the jaws into gripping engagement with one of the members. The jaws are constructed and arranged in one embodiment to fit various sizes of elongated tubular members without any adjustment to the tong apparatus. Backup apparatus carried by the housing engage with the other member and hold it while the cage support, cage and jaws and rotated to rotate the other member to threadedly connect or disconnect the elongated members as desired.
REFERENCES:
patent: 2556536 (1951-06-01), Harris
patent: 2989880 (1961-06-01), Hesser et al.
patent: 3141362 (1964-07-01), Tammy et al.
patent: 3180186 (1965-04-01), Catland
patent: 4084453 (1978-04-01), Eckel
patent: 4291598 (1981-09-01), Cherry
Bynum Frank O.
Conlon John D.
DeSmit Larry M.
Peck Marvin H.
Hayden Jack W.
Jones Jr. James L.
Peck-O-Matic, Inc.
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