TW259739B - Vibration-damping structure for electric hammer - Google Patents

Vibration-damping structure for electric hammer

Info

Publication number
TW259739B
TW259739B TW84102518A TW84102518A TW259739B TW 259739 B TW259739 B TW 259739B TW 84102518 A TW84102518 A TW 84102518A TW 84102518 A TW84102518 A TW 84102518A TW 259739 B TW259739 B TW 259739B
Authority
TW
Taiwan
Prior art keywords
vibration
handle
diameter portion
tool body
elastic
Prior art date
Application number
TW84102518A
Other languages
Chinese (zh)
Inventor
Mutsuo Harada
Akiyuki Yahagi
Original Assignee
Hitachi Koki Kk
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP6265603A external-priority patent/JPH08126975A/en
Application filed by Hitachi Koki Kk filed Critical Hitachi Koki Kk
Application granted granted Critical
Publication of TW259739B publication Critical patent/TW259739B/en

Links

Landscapes

  • Percussive Tools And Related Accessories (AREA)

Abstract

A vibration-damping apparatus for an electric hammer unit is provided. This vibration-damping apparatus is provided with the socalled transatory unit including elastic bars disposed between elastic damper members connected to a tool body and a handle of the electric hammer unit, respectively, for absorbing relative displacement of the elastic damper members caused by vibrations produced by the tool body during use. The vibration-damping apparatus further includes a stopper member attached to the elastic damper member attached to the handle so as to engage a chamber formed in the elastic damper member attached to the tool body for preventing the handle from being dislodged from the tool body even when the handle is swung laterally by a hammer operator. Additionally, each of the elastic bars includes a large-diameter portion and a small-diameter portion so as to allow the large-diameter portion to be deformed toward the small-diameter portion during the relative displacement of the elastic damper members for increasing the life of the bars.
TW84102518A 1993-09-17 1995-03-16 Vibration-damping structure for electric hammer TW259739B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP56069393 1993-09-17
JP6265603A JPH08126975A (en) 1994-10-28 1994-10-28 Vibration control handle of electric hammer

Publications (1)

Publication Number Publication Date
TW259739B true TW259739B (en) 1995-10-11

Family

ID=51401815

Family Applications (1)

Application Number Title Priority Date Filing Date
TW84102518A TW259739B (en) 1993-09-17 1995-03-16 Vibration-damping structure for electric hammer

Country Status (1)

Country Link
TW (1) TW259739B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI424910B (en) * 2006-01-27 2014-02-01 Exhaust Technologies Inc Shock attenuating device for a rotary impact tool
TWI453098B (en) * 2013-05-24 2014-09-21 Rexon Ind Corp Ltd An impact tool with vibration dampening device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI424910B (en) * 2006-01-27 2014-02-01 Exhaust Technologies Inc Shock attenuating device for a rotary impact tool
TWI453098B (en) * 2013-05-24 2014-09-21 Rexon Ind Corp Ltd An impact tool with vibration dampening device

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees