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:
Mar. 19, 1985
Filed:
Jun. 28, 1983
Applicant:
Inventor:
Alois Hauschopp, Werne, DE;
Assignee:
Gewerkschaft Eisenhutte Westfalia, Lunen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21C / ;
U.S. Cl.
CPC ...
299 34 ; 299 80 ; 74526 ; 74527 ;
Abstract
A mineral winning machine in the form of a coal plough has adjustable floor cutters. To set the floor cutters at different heights use is made of arcuate levers as carriers for the floor cutters which are slidably guided as known per se. Eccentric stop members engage on the upper ends of the levers and are rotatable to bring different faces into engagement with the levers. Locking means holds each stop member in its rotational setting and the locking means can be released for re-setting by axial displacement of the stop member against a spring force.