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:
Feb. 16, 1988
Filed:
Mar. 06, 1985
Applicant:
Inventor:
Frank Zelenka, Rexdale, CA;
Assignee:
Bartell Industries Limited, Weston, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E01C / ;
U.S. Cl.
CPC ...
299 39 ; 125-5 ; 299 40 ;
Abstract
In apparatus for removing material from the surface of a solid substrate, a rotary cutter cage has a plurality of cutters where each cutter has a plurality of projecting cutter teeth. The improvement comprises an adaptation in mounting of the cutters on the cutter rotary cage to force a lateral movement in the cutters when they impact a solid substrate being treated during rotation of the rotary cutter cage.