Chucks or sockets – Socket type – Lost motion
Patent
1977-03-16
1978-07-18
Whitehead, Harold D.
Chucks or sockets
Socket type
Lost motion
B23B 3106
Patent
active
041011414
ABSTRACT:
A drive chuck for use with a plurality of driven elements, such as for example a rock drill and a roof bolt, comprises a chuck body having an upper surface and a longitudinally extending slot formed thereon opening along the side of the chuck. The chuck body includes a base portion located generally parallel to the upper surface of the chuck body, above the lower end of the body, and both the upper surface and base portion of the chuck have recesses formed therein, in general longitudinal alignment with each other and with the slot, adapted to engage the end of a tool to be driven.
REFERENCES:
patent: 622005 (1899-03-01), Herrick
patent: 3228269 (1966-01-01), Heyer
patent: 3563559 (1971-02-01), Taylor
Maher Joseph M.
Mattila Eugene W.
Copper Range Company
Whitehead Harold D.
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