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:
Nov. 27, 1990
Filed:
Mar. 20, 1989
Rodger A Arola, Hancock, MI (US);
Jorgen Marks, Falun, SE;
Abstract
The invention relates to a self-feeding wood chunker having cutting instruments (1, 2) rotating in opposite directions but with the same speed, which have, on surfaces facing one another, at least one cutting blade (3.sub.1, 3.sub.2 and 4.sub.1, 4.sub.2), the blades being curved in the direction of rotation such that the leading part (3a, 4a) thereof is nearer to the periphery of the respective cutting instrument and that the trailing part (3a, 4a) thereof is nearer to the axis of rotation (1a, 2a) of the respective cutting instrument. According to the invention, the cutting instruments (1, 2) are arranged with the axes of rotation (1a, 1b) displaced a definite distance (B) from one another.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile