Tool driving or impacting – Including means to vibrationally isolate a drive means from...
Patent
1990-03-15
1991-09-10
Yost, Frank T.
Tool driving or impacting
Including means to vibrationally isolate a drive means from...
30381, B27B 1702
Patent
active
050465660
ABSTRACT:
The invention relates to a portable handheld tool such as a motor chain saw, cutoff machine or the like having a motor arranged in a housing. The motor drives a work tool via a drive pinion. The portable, handheld tool is provided with a handle arrangement for holding and guiding the tool with the handle arangement being decoupled from the motor system by antivibration elements. Soft antivibration elements are required to obtain high isolation; whereas, the antivibration elements have to be as stiff as possible in order to reliably guide and hold the handheld tool. The antivibration elements holding the handle arrangement on the side of the drive pinion are arranged to lie approximately in a common plane. This arrangement makes it possible to use softer antivibration elements without the required stiffness for guiding and holding becoming too low.
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patent: 4202096 (1980-05-01), Nagashima
patent: 4694578 (1987-09-01), Kemmler
Dorner Wolfgang
Hoppner Klaus
Leppla Georg
Lux Helmut
Weiss Hermann
Ottesen Walter
Smith Scott A.
Stihl Andreas
Yost Frank T.
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