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:
Jul. 18, 1978
Filed:
Aug. 19, 1976
Applicant:
Inventor:
Warren W Grist, Universal City, TX (US);
Assignee:
Earth Pack, Inc., San Antonio, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01B / ; B66F / ; E01C / ;
U.S. Cl.
CPC ...
371175 ; 37DI / ; 2141 / ; 214D / ; 404127 ; 404128 ; 172254 ; 172272 ;
Abstract
An earth working apparatus is disclosed including means for removably coupling a compacting roller into operative engagement with a hydraulically manipulated boom while simultaneously maintaining the excavating bucket of the apparatus in its operative association with the boom. The coupling means includes a specially designed link which connects the hydraulic means of the boom to the bucket and which is adapted to receive and engage the compacting roller upon upward movement of the boom.