CA2765037A1 - Drill supports for a drill hammer - Google Patents

Drill supports for a drill hammer Download PDF

Info

Publication number
CA2765037A1
CA2765037A1 CA2765037A CA2765037A CA2765037A1 CA 2765037 A1 CA2765037 A1 CA 2765037A1 CA 2765037 A CA2765037 A CA 2765037A CA 2765037 A CA2765037 A CA 2765037A CA 2765037 A1 CA2765037 A1 CA 2765037A1
Authority
CA
Canada
Prior art keywords
spring
drill
hydraulic cylinder
pressure
per
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.)
Abandoned
Application number
CA2765037A
Other languages
English (en)
French (fr)
Inventor
Stefan Goetzfried
Harald Streicher
Michael Bayerl
Konrad Artmann
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.)
Hilti AG
Original Assignee
Hilti AG
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=45531194&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2765037(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hilti AG filed Critical Hilti AG
Publication of CA2765037A1 publication Critical patent/CA2765037A1/en
Abandoned 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
    • B25D17/28—Supports; Devices for holding power-driven percussive tools in working position
    • B25D17/30—Pillars and struts
    • 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
    • B25D17/24—Damping the reaction force
    • 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
    • B25D17/24—Damping the reaction force
    • B25D17/245—Damping the reaction force using a fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
    • B25D2250/125—Hydraulic tool components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
    • B25D2250/371—Use of springs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
CA2765037A 2011-02-16 2012-01-23 Drill supports for a drill hammer Abandoned CA2765037A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011004211A DE102011004211A1 (de) 2011-02-16 2011-02-16 Bohrstütze für einen Bohrhammer
DE102011004211.3 2011-02-16

Publications (1)

Publication Number Publication Date
CA2765037A1 true CA2765037A1 (en) 2012-08-16

Family

ID=45531194

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2765037A Abandoned CA2765037A1 (en) 2011-02-16 2012-01-23 Drill supports for a drill hammer

Country Status (5)

Country Link
EP (1) EP2489476B1 (de)
CA (1) CA2765037A1 (de)
DE (1) DE102011004211A1 (de)
PL (1) PL2489476T3 (de)
ZA (1) ZA201201126B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107378530A (zh) * 2017-08-08 2017-11-24 格林精密部件(苏州)有限公司 一种新型弹性支座

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2500932A (en) * 1944-12-01 1950-03-21 Joy Mfg Co Drilling apparatus
FR1045365A (fr) * 1951-11-22 1953-11-25 Applevage Amortisseur pour pistons actionnés par des fluides
US2754804A (en) 1954-01-15 1956-07-17 Goodman Mfg Co Automatic feed pressure control for telescopic stoper leg
GB764402A (en) 1955-01-06 1956-12-28 Bosch Gmbh Robert Improvements in or relating to supports for hand-guided percussive tools
US3117634A (en) 1958-02-26 1964-01-14 Nils Torsten Neldas Ground borers
US2917953A (en) 1959-02-24 1959-12-22 Edward A Badali Pneumatic tool support
AT226174B (de) 1960-11-25 1963-03-11 Ingenieurbuero Dipl- Flottmann Umschaltventil für Druckmittelarbeitsgeräte, insbesondere Untertagebetriebvorschubstützen von Bohrhämmern
DD104315A1 (de) 1973-04-19 1974-03-05
FR2446155A1 (fr) * 1979-01-09 1980-08-08 Villedary Jacques Support mobile pour outil pneumatique tel que marteau piqueur
AU617316B2 (en) 1987-05-12 1991-11-28 Hydra-Push Pty. Ltd. Pusher leg for rock drill apparatus
GB8907410D0 (en) * 1989-04-01 1989-05-17 Macdonald Pneumatics Paving breakers and supports therefor
SE524812C2 (sv) * 2003-02-14 2004-10-05 Hultdin System Ab Dämpningsanordning hos ett hydraulsystem hos en arbetsmaskin och hydraulsystem innefattande en dämpningsanordning
FR2894303B1 (fr) * 2005-12-02 2010-09-03 Pommier S C E B P Verin hydraulique a amortissement
US7607491B2 (en) * 2006-03-15 2009-10-27 Integrated Tool Solutions Llc Jackhammer lift assist
EP1999336B1 (de) * 2006-03-15 2014-04-23 Integrated Tool Solutions, LLC Presslufthammer mit hebehilfe

Also Published As

Publication number Publication date
PL2489476T3 (pl) 2015-12-31
ZA201201126B (en) 2012-11-28
EP2489476B1 (de) 2015-07-01
EP2489476A1 (de) 2012-08-22
DE102011004211A1 (de) 2012-08-16

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Legal Events

Date Code Title Description
FZDE Dead

Effective date: 20180123