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. 24, 2020
Filed:
Oct. 12, 2017
Husqvarna Ab, Huskvarna, SE;
HUSQVARNA AB, Huskvarna, SE;
Abstract
The present invention relates to a safety arrangement for a floor surfacing machine () comprising at least one drive wheel (), a motor arrangement () for propelling said drive wheel (), a surfacing apparatus () and a control unit () for controlling the operation of said motor arrangement () and said surfacing apparatus (). The arrangement comprises at least one detecting unit () connected to said control unit () and adapted for determining a torque required for operating each drive wheel () wherein said control unit () is configured for preventing operation of said surfacing apparatus () if said required torque is lower than a predetermined limit value. The invention also relates to a method for obtaining safety in a floor surfacing machine ().