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:
Jun. 02, 1981
Filed:
Oct. 01, 1979
Applicant:
Inventor:
David Crosby, International Falls, MN (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
B26F / ;
U.S. Cl.
CPC ...
225103 ; 225 93 ; 254129 ;
Abstract
A roll breaker (20) in the form of a lever (130) of the first class with a fulcrum (54) adjustable in height. A striker assembly 70 is positioned near one end (136) of the lever, and the other end (131) is inserted in the roll to be broken. When the striker is wound and triggered, by a motor (112), it impacts downward on the lever end 136. A bumper (30) is provided to determine the depth of insertion of the lever end (131) into the roll, and an arrangement (137, 140) is also provided to prevent the second end of the lever from rising above a predetermined level.