Work apparatus having a centrifugal clutch

The invention relates to a portable handheld work apparatus such as a motor-driven chain saw, a cutoff machine, a brushcutter or the like. The work apparatus includes an internal combustion engine (1) mounted in a housing (2) which drives a work tool via centrifugal clutch (3). The centrifugal clutc...

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Hauptverfasser: MENZEL JOHANNES, AMEND HELMAR
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creator MENZEL JOHANNES
AMEND HELMAR
description The invention relates to a portable handheld work apparatus such as a motor-driven chain saw, a cutoff machine, a brushcutter or the like. The work apparatus includes an internal combustion engine (1) mounted in a housing (2) which drives a work tool via centrifugal clutch (3). The centrifugal clutch (3) includes a carrier (5) driven by the engine (1). The carrier (5) has rpm-dependent displaceable centrifugal weights (6) which are displaceable against a return force and come into contact engagement against a contact wall (7) of an output part (8) so as to transmit-torque. A rotationally-elastic damping element (11) is arranged between the output part (8) and an intermediate element (10) connected to the tool (4) so as to rotate with the intermediate element (10).
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The work apparatus includes an internal combustion engine (1) mounted in a housing (2) which drives a work tool via centrifugal clutch (3). The centrifugal clutch (3) includes a carrier (5) driven by the engine (1). The carrier (5) has rpm-dependent displaceable centrifugal weights (6) which are displaceable against a return force and come into contact engagement against a contact wall (7) of an output part (8) so as to transmit-torque. A rotationally-elastic damping element (11) is arranged between the output part (8) and an intermediate element (10) connected to the tool (4) so as to rotate with the intermediate element (10).</description><edition>7</edition><language>eng</language><subject>BLASTING ; COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDEDFOR ; COMPONENTS OR ACCESSORIES THEREFOR ; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOTPARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOTOTHERWISE PROVIDED FOR ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HAND TOOLS ; HEATING ; LIGHTING ; MANIPULATORS ; MEANS FOR DAMPING VIBRATION ; MECHANICAL ENGINEERING ; NAILING OR STAPLING MACHINES IN GENERAL ; PERFORMING OPERATIONS ; PORTABLE POWER-DRIVEN TOOLS ; SAWS FOR WOOD OR SIMILAR MATERIAL ; SHOCK-ABSORBERS ; SPRINGS ; THERMAL INSULATION IN GENERAL ; TRANSPORTING ; WEAPONS ; WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL</subject><creationdate>2003</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20030107&amp;DB=EPODOC&amp;CC=US&amp;NR=6502315B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20030107&amp;DB=EPODOC&amp;CC=US&amp;NR=6502315B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MENZEL JOHANNES</creatorcontrib><creatorcontrib>AMEND HELMAR</creatorcontrib><title>Work apparatus having a centrifugal clutch</title><description>The invention relates to a portable handheld work apparatus such as a motor-driven chain saw, a cutoff machine, a brushcutter or the like. The work apparatus includes an internal combustion engine (1) mounted in a housing (2) which drives a work tool via centrifugal clutch (3). The centrifugal clutch (3) includes a carrier (5) driven by the engine (1). The carrier (5) has rpm-dependent displaceable centrifugal weights (6) which are displaceable against a return force and come into contact engagement against a contact wall (7) of an output part (8) so as to transmit-torque. 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The work apparatus includes an internal combustion engine (1) mounted in a housing (2) which drives a work tool via centrifugal clutch (3). The centrifugal clutch (3) includes a carrier (5) driven by the engine (1). The carrier (5) has rpm-dependent displaceable centrifugal weights (6) which are displaceable against a return force and come into contact engagement against a contact wall (7) of an output part (8) so as to transmit-torque. A rotationally-elastic damping element (11) is arranged between the output part (8) and an intermediate element (10) connected to the tool (4) so as to rotate with the intermediate element (10).</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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subjects BLASTING
COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDEDFOR
COMPONENTS OR ACCESSORIES THEREFOR
DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOTPARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOTOTHERWISE PROVIDED FOR
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HAND TOOLS
HEATING
LIGHTING
MANIPULATORS
MEANS FOR DAMPING VIBRATION
MECHANICAL ENGINEERING
NAILING OR STAPLING MACHINES IN GENERAL
PERFORMING OPERATIONS
PORTABLE POWER-DRIVEN TOOLS
SAWS FOR WOOD OR SIMILAR MATERIAL
SHOCK-ABSORBERS
SPRINGS
THERMAL INSULATION IN GENERAL
TRANSPORTING
WEAPONS
WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL
title Work apparatus having a centrifugal clutch
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