Handle for use in e.g. trimmer, has handle pipe reinforced by reinforcement unit on pipe at locations of high dynamic vibration-caused deformation energy, and resonant frequency is detuned outside excitation frequency range

The handle has a handle pipe (1) reinforced by a reinforcement unit (4) locally arranged on the handle pipe at various locations of high dynamic vibration-caused deformation energy. The unit is reinforced by stringers and rib units. The unit reinforcement unit is arranged such that a resonant freque...

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Bibliographische Detailangaben
Hauptverfasser:	KANDZIORA, BERTRAM, KEMMLER, RALF-RAINER
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 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 HAND TOOLS INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS MANIPULATORS NAILING OR STAPLING MACHINES IN GENERAL PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS SAWS FOR WOOD OR SIMILAR MATERIAL SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL
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Beschreibung
Zusammenfassung:	The handle has a handle pipe (1) reinforced by a reinforcement unit (4) locally arranged on the handle pipe at various locations of high dynamic vibration-caused deformation energy. The unit is reinforced by stringers and rib units. The unit reinforcement unit is arranged such that a resonant frequency of a vibration system is detuned outside an excitation frequency range of working tool under operating conditions. An independent claim is also included for a working tool comprising a handle. Die Erfindung betrifft einen Handgriff (10) eines handgeführten Arbeitsgerätes (11) wie eine Motorkettensäge oder dgl. sowie ein Arbeitsgerät (11) mit einem entsprechenden Handgriff (10). Der Handgriff (10) umfaßt ein Griffrohr (1), welches an Orten (3) hoher dynamischer, schwingungsbedingter Formänderungsenergie durch mindestens ein lokal am Griffrohr (1) angebrachtes Versteifungselement (4) versteift ist.