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. 11, 1989
Filed:
Jan. 19, 1988
Applicant:
Inventor:
Gunter Rothenberger, Bad Homburg, DE;
Assignee:
Rothenberger Werkzeuge-Maschinen GmbH, Frankfurt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23D / ;
U.S. Cl.
CPC ...
30 96 ; 30 92 ;
Abstract
A pipe cutter comprises a rotary cutting device having a cutter, two semi-cylindrical shells connected by a hinge, and a thrust bar connected between the handles for controlling the gripping force of the shells. The shells have jaw inserts with slots and ridges on their outer periphery to alter their resilient behavior during use.