Retarding device for a handheld cutting machine
AssigneeHusqvarna Aktiebolag
InventorsTore Aronsson, Bo Carlsson, Göran Dahlberg, Gustaf Döragrip
Life of this patent
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Abstract
The present invention is related to a retarding device for a hand held cutting machine having a housing (1) and a drive engine, which drives a transmission including a number of transmission members (3′, 2) and driving a rotational or semi rotational cutting tool. The retarding device includes brake means (12, 17) arranged to be in close relation with the transmission and for actuating a retarding force on a transmission member (2), the brake means being arranged to automatically put a retarding force on said transmission member when the speed of rotation or the torque of rotation of said transmission member falls below a predetermined value.
Claims23
A retarding device for a hand held cutting machine having a housing and a drive engine, which drives a transmission comprising a number of transmission members and drives a rotational or semi rotational cutting tool, said retarding device comprising a brake means arranged to be in close relation with the transmission and for actuating a retarding force on a transmission member, said brake means being arranged to automatically put a retarding force on said transmission member when the speed of rotation or the torque of rotation of said transmission member falls below a predetermined value.
Dependencies are inferred from the claim text.