ATE145847T1 - HAND-HELD FLUID OPERATED IMPACT OR DRILL TOOL - Google Patents

HAND-HELD FLUID OPERATED IMPACT OR DRILL TOOL

Info

Publication number
ATE145847T1
ATE145847T1 AT92102802T AT92102802T ATE145847T1 AT E145847 T1 ATE145847 T1 AT E145847T1 AT 92102802 T AT92102802 T AT 92102802T AT 92102802 T AT92102802 T AT 92102802T AT E145847 T1 ATE145847 T1 AT E145847T1
Authority
AT
Austria
Prior art keywords
insertion end
tool
hand
tool holder
fluid operated
Prior art date
Application number
AT92102802T
Other languages
German (de)
Inventor
Robert-Jan Dr-Ing Bartels
Helmar Dipl-Ing Naefe
Original Assignee
Krupp Bautechnik Gmbh
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
Application filed by Krupp Bautechnik Gmbh filed Critical Krupp Bautechnik Gmbh
Application granted granted Critical
Publication of ATE145847T1 publication Critical patent/ATE145847T1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/11—Arrangements of noise-damping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Drilling And Boring (AREA)
  • Earth Drilling (AREA)

Abstract

The invention relates to a noise reduction device on a previously mentioned appliance, having a drive part which is movable in a housing and acts on the insertion end of an insertion tool to produce the working movement, the insertion end being supported on a tool holder likewise inside the housing. To reduce noise radiation in the holding region of the insertion tool, it is proposed to enclose the insertion end (4b) over a part of its longitudinal extent (1) in which the neutral zone (N) of the tool holder (6, 7) is also situated with a bush-like damping element (8) of flexible material, which lies snugly against the insertion end and is also held at least on the tool holder (6, 7). <IMAGE>
AT92102802T 1991-03-28 1992-02-20 HAND-HELD FLUID OPERATED IMPACT OR DRILL TOOL ATE145847T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4110261A DE4110261A1 (en) 1991-03-28 1991-03-28 SOUND INSULATION DEVICE ON A HAND-GUIDED, FLUID-DRIVEN IMPACT OR DRILLING TOOL

Publications (1)

Publication Number Publication Date
ATE145847T1 true ATE145847T1 (en) 1996-12-15

Family

ID=6428437

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92102802T ATE145847T1 (en) 1991-03-28 1992-02-20 HAND-HELD FLUID OPERATED IMPACT OR DRILL TOOL

Country Status (3)

Country Link
EP (1) EP0505726B1 (en)
AT (1) ATE145847T1 (en)
DE (2) DE4110261A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200151343Y1 (en) * 1995-04-14 1999-07-15 최해성 The hydraulic hammer of low noise type
WO1998005476A1 (en) * 1996-07-31 1998-02-12 Sds Digger Tools Pty. Ltd. Forwardly located bit retention means
EP1733850A1 (en) 2005-06-15 2006-12-20 Caterpillar, Inc. Shock absorber for the holding assembly of a reciprocating tool

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1495500A (en) * 1922-01-30 1924-05-27 Chicago Pneumatic Tool Co Packing for pneumatic tools
GB565783A (en) * 1943-02-22 1944-11-28 Rubber Bonders Ltd Improvements in and relating to fluid pressure operated tools
US3263770A (en) * 1964-10-19 1966-08-02 Atlas Copco Ab Noise deadening means for percussive tools
DE1299577B (en) * 1966-11-16 1969-07-17 Hausherr & Soehne Rudolf Device for reducing noise on impacting tools
DE2844110A1 (en) * 1978-10-10 1980-04-24 Bosch Gmbh Robert HAND TOOL MACHINE, ESPECIALLY CHISEL HAMMER
FR2457152A1 (en) * 1979-05-22 1980-12-19 Montabert Roger PNEUMATIC HAMMER MUFFLER
DE3440530A1 (en) * 1983-11-02 1985-05-09 Heinrich 1000 Berlin Henze Hydraulic breaking-up hammer

Also Published As

Publication number Publication date
DE59207598D1 (en) 1997-01-16
EP0505726A1 (en) 1992-09-30
DE4110261A1 (en) 1992-10-01
EP0505726B1 (en) 1996-12-04

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee