EP1990147A3 - Vibrating hand machine tool with anti-vibration element - Google Patents

Vibrating hand machine tool with anti-vibration element Download PDF

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Publication number
EP1990147A3
EP1990147A3 EP08103704A EP08103704A EP1990147A3 EP 1990147 A3 EP1990147 A3 EP 1990147A3 EP 08103704 A EP08103704 A EP 08103704A EP 08103704 A EP08103704 A EP 08103704A EP 1990147 A3 EP1990147 A3 EP 1990147A3
Authority
EP
European Patent Office
Prior art keywords
vibration element
vibration
spring wire
vibrating
machine tool
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.)
Granted
Application number
EP08103704A
Other languages
German (de)
French (fr)
Other versions
EP1990147B1 (en
EP1990147A2 (en
Inventor
Franz Mössnang
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=39590743&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1990147(A3) "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 EP1990147A2 publication Critical patent/EP1990147A2/en
Publication of EP1990147A3 publication Critical patent/EP1990147A3/en
Application granted granted Critical
Publication of EP1990147B1 publication Critical patent/EP1990147B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/006—Vibration 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
    • B25D17/04—Handles; Handle mountings
    • B25D17/043—Handles resiliently mounted relative to the hammer housing
    • 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
    • B25D2250/361—Use of screws or threaded connections
    • 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)
  • Springs (AREA)
  • Percussive Tools And Related Accessories (AREA)

Abstract

Eine Handwerkzeugmaschine (12) mit einer längs einer Vibrationsachse (A) vibrierenden Baugruppe (5) und einer Handgriffbaugruppe (6), die über ein Antivibrationselement (1) schwingungsentkoppelt ist, welches eine längs der Vibrationsachse (A) orientierte Federdrahtwendel (7) mit mehreren Windungen (2) aufweist, die teilweise auf einen Gewindedom (3) mit einem sich längs ersteckenden Aussengewinde (4) aufgeschraubt ist, wobei am unbelasteten Antivibrationselement (1) die sich über einen Vorspannbereich (V) längs ersteckenden Windungen (2) axial druckvorgespannt auf das Aussengewinde (4) aufgeschraubt sind, welches eine Zwischengangweite (Z) aufweist, die grösser als der Federdrahtdurchmesser (D) der Federdrahtwendel (7) ist.

Figure imgaf001
A hand tool (12) having a longitudinally vibrating axis (A) vibrating assembly (5) and a handle assembly (6) via an anti-vibration element (1) is vibration decoupled, which along the vibration axis (A) oriented spring wire coil (7) with a plurality Windings (2) which is partially screwed onto a threaded dome (3) with a male thread (4) extending longitudinally, wherein on the unloaded anti-vibration element (1) the windings (2) extending longitudinally over a biasing region (V) are axially biased by pressure the external thread (4) are screwed, which has an intermediate passage (Z), which is greater than the spring wire diameter (D) of the spring wire coil (7).
Figure imgaf001
EP08103704A 2007-05-11 2008-04-24 Vibrating hand machine tool with anti-vibration element Active EP1990147B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007000270A DE102007000270A1 (en) 2007-05-11 2007-05-11 Vibrating hand tool with anti-vibration element

Publications (3)

Publication Number Publication Date
EP1990147A2 EP1990147A2 (en) 2008-11-12
EP1990147A3 true EP1990147A3 (en) 2009-07-29
EP1990147B1 EP1990147B1 (en) 2010-11-03

Family

ID=39590743

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08103704A Active EP1990147B1 (en) 2007-05-11 2008-04-24 Vibrating hand machine tool with anti-vibration element

Country Status (4)

Country Link
US (1) US8511658B2 (en)
EP (1) EP1990147B1 (en)
CN (1) CN101301747A (en)
DE (2) DE102007000270A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007048887B4 (en) * 2007-10-11 2017-10-26 Andreas Stihl Ag & Co. Kg Hand-held implement
CN106523566B (en) * 2016-10-20 2018-08-03 许继电气股份有限公司 Primary and secondary spring assembly and its spring base
EP3501750A1 (en) 2017-12-19 2019-06-26 Hilti Aktiengesellschaft Vibration-dampened hand-held machine tool
EP3599059B1 (en) * 2018-07-25 2022-05-04 Andreas Stihl AG & Co. KG Hand-held working device and method for mounting an antivibration element of a hand-held working device
TWI807998B (en) * 2022-09-19 2023-07-01 施瑞源 force limiting shock absorber

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4712778A (en) * 1981-12-21 1987-12-15 North American Philips Corporation Helical spring holder assembly
US20040119216A1 (en) * 2002-07-30 2004-06-24 Johannes Menzel Antivibration element
DE102004031866A1 (en) * 2004-07-01 2006-01-19 Andreas Stihl Ag & Co. Kg Hand-held implement

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1404464A (en) * 1920-12-13 1922-01-24 Adolph F Meyer Spring
US3141660A (en) * 1961-03-08 1964-07-21 Woodhead Monroe Ltd Coil springs
EP0680399B1 (en) 1993-01-27 2000-11-15 Lord Corporation Vibration isolator for hand-held vibrating devices

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4712778A (en) * 1981-12-21 1987-12-15 North American Philips Corporation Helical spring holder assembly
US20040119216A1 (en) * 2002-07-30 2004-06-24 Johannes Menzel Antivibration element
DE102004031866A1 (en) * 2004-07-01 2006-01-19 Andreas Stihl Ag & Co. Kg Hand-held implement

Also Published As

Publication number Publication date
EP1990147B1 (en) 2010-11-03
DE102007000270A1 (en) 2008-11-20
DE502008001685D1 (en) 2010-12-16
US8511658B2 (en) 2013-08-20
EP1990147A2 (en) 2008-11-12
CN101301747A (en) 2008-11-12
US20080277846A1 (en) 2008-11-13

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