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.

Date of Patent:
Jan. 21, 2020

Filed:

Mar. 13, 2015
Applicant:

Husqvarna Ab, Huskvarna, SE;

Inventors:

Tomas Wykman, Jönköping, SE;

Joakim Persson, Skillingaryd, SE;

Anders Hansson, Huskvarna, SE;

Assignee:

HUSQVARNA AB, Huskvarna, SE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01G 3/053 (2006.01); A01G 3/047 (2006.01); B26B 13/28 (2006.01);
U.S. Cl.
CPC ...
A01G 3/053 (2013.01); A01G 3/0475 (2013.01); B26B 13/28 (2013.01);
Abstract

Adjustment device for automatic adjustment of a spacing between a first and a second cutting blade. The adjustment device includes a connector extending through a recess in the respective first and second cutting blades at right angles to the first and second contact surfaces and arranged to guide the movement of the displaceable cutting blades relative to the other cutting blade. The adjustment device further includes a first stop fixed to one end of the connector and arranged in contact with the outer surface of the second cutting blade, and an adjustment means located at the opposite end of the connector and arranged to apply a pre-tensioning force on the outer surface of the first cutting blade and maintain first and second contact surfaces of the first and second cutting blades in contact.


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