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:
Apr. 06, 2010
Filed:
Jul. 07, 2003
Applicant:
Markku Annala, Tampere, FI;
Inventor:
Markku Annala, Tampere, FI;
Assignee:
John Deere Forestry Oy, Tampere, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01G 23/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Method and safety device for a breaking saw chain. The safety device includes a protective wall positioned in the vicinity of the drive gear drawing the saw chain that is capable of receiving the movement of the tail of the broken saw chain and guiding the broken saw chain and the tail into the desired direction. The protective wall is moved in phase with a guide bar to hold the protective wall in the correct location during sawing in relation to the saw chain.
Annala, Markku. (2010). Sawing device and its safety system for precaution of a breaking saw chain (U.S. Patent No. 7690407). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7690407
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile