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:
Sep. 18, 1979
Filed:
Aug. 18, 1978
Applicant:
Inventor:
Horace E Hill, Renton, WA (US);
Assignee:
The Boeing Company, Seattle, WA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B23B / ;
U.S. Cl.
CPC ...
408 / ; 408202 ; 4082 / ;
Abstract
A drill stop having a dimple arranged so that the drill stop can be utilized after the drill has been ground to a shorter length. A cylindrically shaped tubular member is provided with a dimple off center with respect to the longitudinal axis which dimple provides an interference fit in the drill flute along the run out ramp portion of the flute adjacent the shank end of the drill. A further dimple opposite the first dimple may be utilized to reinforce the function of the first dimple.