The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 23, 1976
Filed:
Feb. 18, 1976
Applicant:
Inventors:
Ronald Francis Bukovitz, Clarksburg, WV (US);
Ernst Lennart Lindstedt, Clarksburg, WV (US);
Assignee:
Ingersoll-Rand Company, Woodcliff Lake, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04H / ;
U.S. Cl.
CPC ...
52116 ; 52117 ; 173 43 ; 212 / ;
Abstract
Two pivots are provided on a drill tower support. The drill tower is supported on and positively locked to the upper pivot in the horizontal position. The drill tower can be pivoted about the first pivot from the horizontal position to the vertical position and positively locked to the lower pivot. The drill tower is then disconnected from the first pivot and thereafter it can be pivoted about the second pivot for angle drilling.