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:
Feb. 13, 1979
Filed:
Jul. 11, 1977
Applicant:
Inventor:
Carl Cooper, Ballantine, MT (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F / ;
U.S. Cl.
CPC ...
371425 ;
Abstract
A hole filling machine comprising a driven vehicle having a frame with a substantially horizontal rotatable blade assembly adjustably suspended therefrom. The assembly includes a circular housing with a central opening having a driven, rotatable, hollow vertical shaft disposed axially thereof. A plurality of arcuate blades extend outwardly from the shaft toward the periphery of the housing. A safety switch is operatively connected to both the drive for the vehicle and the shaft.