GB2192824B - Power-driven hammers or hammer drills - Google Patents

Power-driven hammers or hammer drills

Info

Publication number
GB2192824B
GB2192824B GB8714393A GB8714393A GB2192824B GB 2192824 B GB2192824 B GB 2192824B GB 8714393 A GB8714393 A GB 8714393A GB 8714393 A GB8714393 A GB 8714393A GB 2192824 B GB2192824 B GB 2192824B
Authority
GB
United Kingdom
Prior art keywords
power
hammer drills
driven hammers
hammers
driven
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
GB8714393A
Other languages
English (en)
Other versions
GB2192824A (en
GB8714393D0 (en
Inventor
Johann Kaltenecker
Dipl Ing
Hans-Ulrich Mutschele
Ulrich Rauser
Karl Wanner
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB8714393D0 publication Critical patent/GB8714393D0/en
Publication of GB2192824A publication Critical patent/GB2192824A/en
Application granted granted Critical
Publication of GB2192824B publication Critical patent/GB2192824B/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
    • B25D17/06—Hammer pistons; Anvils ; Guide-sleeves for pistons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D11/00—Portable percussive tools with electromotor or other motor drive
    • B25D11/005—Arrangements for adjusting the stroke of the impulse member or for stopping the impact action when the tool is lifted from the working surface
    • 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
    • B25D2250/191—Ram catchers for stopping the ram when entering idling mode
    • 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
    • B25D2250/225—Serrations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
GB8714393A 1986-07-17 1987-06-19 Power-driven hammers or hammer drills Expired GB2192824B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863624153 DE3624153A1 (de) 1986-07-17 1986-07-17 Motorbetriebener hammer

Publications (3)

Publication Number Publication Date
GB8714393D0 GB8714393D0 (en) 1987-07-22
GB2192824A GB2192824A (en) 1988-01-27
GB2192824B true GB2192824B (en) 1990-04-04

Family

ID=6305384

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8714393A Expired GB2192824B (en) 1986-07-17 1987-06-19 Power-driven hammers or hammer drills

Country Status (4)

Country Link
JP (1) JPH0698580B2 (enrdf_load_stackoverflow)
CH (1) CH673425A5 (enrdf_load_stackoverflow)
DE (1) DE3624153A1 (enrdf_load_stackoverflow)
GB (1) GB2192824B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7168504B2 (en) 2001-09-17 2007-01-30 Milwaukee Electric Tool Corporation Rotary hammer including breather port

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3627869A1 (de) * 1986-08-16 1988-02-18 Bosch Gmbh Robert Schlagwerkabschaltung
DE4400779A1 (de) * 1994-01-13 1995-07-20 Duss Maschf Elektropneumatischer Schlag- oder Drehschlaghammer
US5883827A (en) * 1996-08-26 1999-03-16 Micron Technology, Inc. Method and apparatus for reading/writing data in a memory system including programmable resistors
DE102007000135A1 (de) * 2007-03-08 2008-09-11 Hilti Ag Handwerkzeugmaschine mit pneumatischem Schlagwerk
BG66156B1 (bg) * 2007-09-21 2011-09-30 "Спарки Елтос" АД Ударен механизъм за електрически преносими ударно-пробивни машини
AU2009232467B2 (en) 2008-03-31 2014-11-20 Atlas Copco Airpower, Naamloze Venootschap Percussion tool
EP2921265A1 (de) * 2014-03-18 2015-09-23 HILTI Aktiengesellschaft Handwerkzeugmaschine
WO2022246207A1 (en) * 2021-05-21 2022-11-24 Milwaukee Electric Tool Corporation Chisel hammer

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB354648A (en) * 1930-02-06 1931-08-13 Nordiska Armaturfab Ab Improvements in percussive tools
GB379444A (en) * 1931-06-24 1932-09-01 Dudley David Levy Improvements in percussive dental instruments
GB547017A (en) * 1941-01-09 1942-08-10 Black & Decker Mfg Co Portable hammer
GB697116A (en) * 1951-01-17 1953-09-16 William Henry Dean Improvements in power-operated portable tools
GB1365574A (en) * 1971-11-25 1974-09-04 Hilti Ag Electropneumatic hammer
GB1546494A (en) * 1975-09-12 1979-05-23 Hilti Ag Hammer drill
GB2085795A (en) * 1980-10-21 1982-05-06 Bosch Gmbh Robert A hammer drill
GB2099748A (en) * 1981-05-30 1982-12-15 Bosch Gmbh Robert A hammer drill
GB2138729A (en) * 1983-04-01 1984-10-31 Vni I Pk I Mekh I Ruch Compression-vacuum action percussive machine

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB354648A (en) * 1930-02-06 1931-08-13 Nordiska Armaturfab Ab Improvements in percussive tools
GB379444A (en) * 1931-06-24 1932-09-01 Dudley David Levy Improvements in percussive dental instruments
GB547017A (en) * 1941-01-09 1942-08-10 Black & Decker Mfg Co Portable hammer
GB697116A (en) * 1951-01-17 1953-09-16 William Henry Dean Improvements in power-operated portable tools
GB1365574A (en) * 1971-11-25 1974-09-04 Hilti Ag Electropneumatic hammer
GB1546494A (en) * 1975-09-12 1979-05-23 Hilti Ag Hammer drill
GB2085795A (en) * 1980-10-21 1982-05-06 Bosch Gmbh Robert A hammer drill
GB2099748A (en) * 1981-05-30 1982-12-15 Bosch Gmbh Robert A hammer drill
GB2138729A (en) * 1983-04-01 1984-10-31 Vni I Pk I Mekh I Ruch Compression-vacuum action percussive machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7168504B2 (en) 2001-09-17 2007-01-30 Milwaukee Electric Tool Corporation Rotary hammer including breather port

Also Published As

Publication number Publication date
GB2192824A (en) 1988-01-27
DE3624153A1 (de) 1988-01-28
JPS6328579A (ja) 1988-02-06
JPH0698580B2 (ja) 1994-12-07
GB8714393D0 (en) 1987-07-22
CH673425A5 (enrdf_load_stackoverflow) 1990-03-15

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 19930915

PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990619