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. 10, 1981
Filed:
Jul. 06, 1979
Applicant:
Inventor:
Bela Geczy, Glendale, CA (US);
Assignee:
Smith International, Inc., Newport Beach, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
175 65 ; 175101 ; 175107 ;
Abstract
An in-hole motor drill assembly has the rotor of the motor connected to the drill bit, and normally disengaged torque transmitting members are engageable, if desired, without changing the load on the bit, to lock the bit and motor housing together for rotation of the bit by rotation of the motor housing.