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. 14, 1981
Filed:
Nov. 30, 1979
Applicant:
Inventor:
Wilfried Guthoff, Witten-Annen, DE;
Assignee:
Friedrich Wilh. Schwing GmbH, Herne, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F / ;
U.S. Cl.
CPC ...
37103 ; 37DI / ;
Abstract
An excavating machine has an indicator (60, 64) showing the position of the boom and dipper stick mounted back hoe (29) to the machine operator. A guide rod (33) is coupled to the hoe and to a swivel joint (34) on the machine to drive the indicator. The angle of the hoe may be shown by an additional indicator (83, 84).