Title:
Hydraulically operated cycling device for a mining machine
United States Patent 2776824
US Patent References:
Hydraulic drive for machine tools
- - 1943061
Hydraulically operated grinding machine
- - 2078749
Grinding machine
- - 2127877
Hydraulic feed and traverse
- - 2361460
Mining machine
- - 2614822
Hydraulic drive for machine tools
- - 1943061
Hydraulically operated grinding machine
- - 2078749
Grinding machine
- - 2127877
Hydraulic feed and traverse
- - 2361460
Mining machine
- - 2614822
Inventors:
Osterhus, Ervin J.
Richards, Archer W.
Taylor, Norman W.
Richards, Archer W.
Taylor, Norman W.
Publication Date:
01/08/1957
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Export Citation:
Assignee:
JOY MFG CO
Primary Class:
Other Classes:
91/281, 299/64, 91/189R
International Classes:
E21C31/00