Title: Drilling apparatus

Abstract: A drilling apparatus and more particularly a drilling apparatus having improved drill pipe storage and handling means therefor.

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Inventors: Loftis, James B. (Remlap, AL, US)

Application Number: 571854
Filing Date: 1975-04-25
Publication_date: 1976-06-29
Assignee: Joy Manufacturing Company (Pittsburgh, PA)
Primary Class(es): 211/70.4 175/52, 175/85, 211/1.54, 483/59
Other Classes:
US Patent Ref:

2781185	Feb, 1957	Robbins	175/85.
3025918	Mar, 1962	Leven	175/85.
3157286	Nov, 1964	Gyongyosi	211/60.
3181630	May, 1965	Coburn	175/85.
3212593	Oct, 1965	Reischl	211/60.

Other Refs:
Primary Examiner: Purser, Ernest R.
Assistant Examiner: Favreau, Richard E.
Attorney: