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. 01, 1977
Filed:
Mar. 29, 1976
Applicant:
Inventor:
Dennis J Sullivan, Grangeville, ID (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B23Q / ;
U.S. Cl.
CPC ...
173141 ; 175170 ; 61 727 ; 175 62 ;
Abstract
An excavating tool having an auger head of conventional construction at one end of a horizontal rod with a ratchet drive for rotating said rod at the other end thereof. An outer drive tube covers the intermediate portion of said rod and a thrust washer is secured to said drive rod adjacent the auger head for receiving horizontal thrust from the outer covering drive tube. Perpendicular bars fastened to said covering tube provide engagement means for a drive bar driven into the soil for applying horizontal pressure to the auger head while the auger head is being rotated. This device permits the boring of horizontal holes beneath foundations, sidewalks, etc.