Tools – Wrench – screwdriver – or driver therefor – Machine
Patent
1976-10-29
1978-06-06
Jones, Jr., James L.
Tools
Wrench, screwdriver, or driver therefor
Machine
29240, 81 5739, B25B 1350
Patent
active
040928810
ABSTRACT:
An apparatus for making-up and breaking a threaded connection between threaded tubular members, including a turnable chuck and a non-turnable chuck, each of which can be releasably clamped around its companion threaded tubular member, rotation of the turnable chuck in one direction making up the threaded connection, whereas rotation of the turnable chuck in the opposite direction breaking the threaded connection.
REFERENCES:
patent: 3246547 (1966-04-01), O'Neill et al.
patent: 3256757 (1966-06-01), Kochaver
patent: 3774481 (1973-11-01), Goodman
patent: 3900938 (1975-08-01), Blomgren et al.
Jurgens Rainer
Ostertag Alfred
Christensen Inc.
Jones Jr. James L.
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