GB2121717B - Improvements in or relating to rotary percussive drills - Google Patents

Improvements in or relating to rotary percussive drills

Info

Publication number
GB2121717B
GB2121717B GB08314926A GB8314926A GB2121717B GB 2121717 B GB2121717 B GB 2121717B GB 08314926 A GB08314926 A GB 08314926A GB 8314926 A GB8314926 A GB 8314926A GB 2121717 B GB2121717 B GB 2121717B
Authority
GB
United Kingdom
Prior art keywords
relating
rotary percussive
percussive drills
drills
rotary
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
GB08314926A
Other versions
GB2121717A (en
GB8314926D0 (en
Inventor
Frank F Simpson
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.)
Black and Decker Inc
Original Assignee
Black and Decker Inc
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 Black and Decker Inc filed Critical Black and Decker Inc
Priority to GB08314926A priority Critical patent/GB2121717B/en
Publication of GB8314926D0 publication Critical patent/GB8314926D0/en
Publication of GB2121717A publication Critical patent/GB2121717A/en
Application granted granted Critical
Publication of GB2121717B publication Critical patent/GB2121717B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D16/00—Portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
    • B25D16/006—Mode changers; Mechanisms connected thereto
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
    • 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
    • B25D17/084—Rotating chucks or sockets
    • B25D17/088—Rotating chucks or sockets with radial movable locking elements co-operating with bit shafts specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D2217/003—Details relating to chucks with radially movable locking elements
    • B25D2217/0038—Locking members of special shape
    • B25D2217/0042—Ball-shaped locking members

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
GB08314926A 1982-06-02 1983-05-31 Improvements in or relating to rotary percussive drills Expired GB2121717B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08314926A GB2121717B (en) 1982-06-02 1983-05-31 Improvements in or relating to rotary percussive drills

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8216078 1982-06-02
GB08314926A GB2121717B (en) 1982-06-02 1983-05-31 Improvements in or relating to rotary percussive drills

Publications (3)

Publication Number Publication Date
GB8314926D0 GB8314926D0 (en) 1983-07-06
GB2121717A GB2121717A (en) 1984-01-04
GB2121717B true GB2121717B (en) 1985-09-18

Family

ID=26283016

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08314926A Expired GB2121717B (en) 1982-06-02 1983-05-31 Improvements in or relating to rotary percussive drills

Country Status (1)

Country Link
GB (1) GB2121717B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3538166A1 (en) * 1985-10-26 1987-04-30 Hilti Ag DRILL HAMMER WITH TURN LOCK
DE3819125A1 (en) * 1988-06-04 1989-12-14 Bosch Gmbh Robert DRILLING HAMMER
DE4020269A1 (en) * 1990-06-26 1992-01-02 Bosch Gmbh Robert ELECTRIC DRILLING MACHINE
JP3369844B2 (en) * 1996-05-15 2003-01-20 リョービ株式会社 Rotary impact tool with idle hit prevention mechanism
DE19716976A1 (en) * 1997-04-23 1998-10-29 Bosch Gmbh Robert Power tool
DE29724927U1 (en) * 1997-06-11 2007-08-02 Robert Bosch Gmbh Hand-held drilling or percussion machine tool
JP4281273B2 (en) 2000-10-20 2009-06-17 日立工機株式会社 Hammer drill
DE10111748A1 (en) * 2001-03-12 2002-09-19 Hilti Ag Switchgear for a combined hand tool
GB0311045D0 (en) 2003-05-14 2003-06-18 Black & Decker Inc Rotary hammer
DE10337260A1 (en) * 2003-08-18 2005-03-10 Bosch Gmbh Robert Operating module for a power tool
JP4981506B2 (en) * 2007-04-12 2012-07-25 株式会社マキタ Hammer drill

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1088003A (en) * 1964-08-04 1967-10-18 John M Perkins & Smith Ltd Load transmitting device
CH576316A5 (en) * 1972-08-30 1976-06-15 Skil Nederland Nv
DE2242944B2 (en) * 1972-08-31 1981-04-23 Robert Bosch Gmbh, 7000 Stuttgart Hammer drill

Also Published As

Publication number Publication date
GB2121717A (en) 1984-01-04
GB8314926D0 (en) 1983-07-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee