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. 23, 1991
Filed:
Jul. 20, 1990
Applicant:
Inventors:
Dieter Eysel, Maintal, DE;
Wilfried Gerk, Rodermark, DE;
Gerhard Klee, Frankfurt, DE;
Hartmut Hirt, Konigstein, DE;
Assignee:
Samson AG, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B / ; B23Q / ; B23Q / ;
U.S. Cl.
CPC ...
408156 ; 408150 ; 82-12 ; 82133 ; 60588 ;
Abstract
A fine adjustment device for turning tool bits in the form of a pneumatic/hydraulic converter for converting of control signals into proportional actuating or adjusting forces with a combination of an oil pump and pneumatically controlled overflow valve, whose outlet pressure is adjustable with the help of control air.