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:
Dec. 05, 1995
Filed:
Dec. 02, 1994
Applicant:
Inventor:
Robert T Ackerman, Seattle, WA (US);
Assignee:
Nicholson Manufacturing Company, Seattle, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B27L / ;
U.S. Cl.
CPC ...
1442 / ; 1442 / ; 144341 ;
Abstract
A bark slitting machine has swing mounted slitting arms on a rotating ring through which a log is fed. The arms have a swept back outer portion with a cutting edge and an attack angle having a size preferably like that of the lead angle of a helix determined by the path of a point rotating at a given rotational speed about the circumference of a log advancing at a given linear speed.