DE3472909D1 - Hydraulic hammer - Google Patents

Hydraulic hammer

Info

Publication number
DE3472909D1
DE3472909D1 DE8484730117T DE3472909T DE3472909D1 DE 3472909 D1 DE3472909 D1 DE 3472909D1 DE 8484730117 T DE8484730117 T DE 8484730117T DE 3472909 T DE3472909 T DE 3472909T DE 3472909 D1 DE3472909 D1 DE 3472909D1
Authority
DE
Germany
Prior art keywords
casing
drill
hydraulic hammer
drive unit
exception
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE8484730117T
Other languages
German (de)
Inventor
Heinrich Henze
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6213517&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3472909(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to DE8484730117T priority Critical patent/DE3472909D1/en
Application granted granted Critical
Publication of DE3472909D1 publication Critical patent/DE3472909D1/en
Expired legal-status Critical Current

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

Landscapes

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

Abstract

1. An hydraulic lift hammer with a steel casing (3, 103) which completely encloses the tool formed from the drill (10, 110') and its drive unit (1, 101), with the exception of an opening for the passage of the free end of the drill, characterised in that the drive unit (1, 101) almost completely enclosed by the casing (3, 103) is mounted ((guided)) and supported inside the casing with the aid of elastic and attenuating material (4, 4', 6, 104, 104a, 106, 106a, 109).
DE8484730117T 1983-11-02 1984-11-02 Hydraulic hammer Expired DE3472909D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8484730117T DE3472909D1 (en) 1983-11-02 1984-11-02 Hydraulic hammer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3339999 1983-11-02
DE8484730117T DE3472909D1 (en) 1983-11-02 1984-11-02 Hydraulic hammer

Publications (1)

Publication Number Publication Date
DE3472909D1 true DE3472909D1 (en) 1988-09-01

Family

ID=6213517

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484730117T Expired DE3472909D1 (en) 1983-11-02 1984-11-02 Hydraulic hammer

Country Status (3)

Country Link
EP (1) EP0144282B1 (en)
AT (1) ATE35929T1 (en)
DE (1) DE3472909D1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5419404A (en) * 1990-05-23 1995-05-30 Bretec Oy Hydraulic impact hammer
FI90400C (en) * 1990-05-23 1994-02-10 Bretec Oy Hydraulic hammer
DE4030126A1 (en) * 1990-09-24 1992-03-26 Krupp Maschinentechnik SOUND INSULATION DEVICE FOR A HYDRAULICALLY OPERATED DRIVE UNIT WITH A MOVING TOOL REGARDING THIS MOVABLE TOOL
FI108409B (en) * 1997-12-11 2002-01-31 Tamrock Oy Arrangement with hydraulic breaker
FI108561B (en) * 1998-09-29 2002-02-15 Tamrock Oy Case for sound insulation of rock drilling equipment and arrangement with rock drilling equipment

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE664295A (en) *
DD7502U (en) *
US2128742A (en) * 1937-04-09 1938-08-30 Ingersoll Rand Co Muffling device
DE860630C (en) * 1951-04-21 1952-12-22 Wilhelm Dipl-Ing Schmitt Shock absorber for air hammer or the like with a soft rubber liner arranged between the handle and the hammer part that generates the recoil
CH378820A (en) * 1960-03-18 1964-06-15 Sig Schweiz Industrieges Silencer on compressed air tool
FR1353634A (en) * 1963-01-18 1964-02-28 Meudon Forges Atel anti-noise equipment for pneumatic hammer
BE649108A (en) * 1963-06-10
US3481411A (en) * 1968-02-19 1969-12-02 Black & Decker Mfg Co Sonic tool with means for reducing noise level
CH605044A5 (en) * 1977-03-28 1978-09-29 Mekafor

Also Published As

Publication number Publication date
EP0144282A1 (en) 1985-06-12
EP0144282B1 (en) 1988-07-27
ATE35929T1 (en) 1988-08-15

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation