GB2086791B - Portable power-operated drill - Google Patents

Portable power-operated drill

Info

Publication number
GB2086791B
GB2086791B GB8036205A GB8036205A GB2086791B GB 2086791 B GB2086791 B GB 2086791B GB 8036205 A GB8036205 A GB 8036205A GB 8036205 A GB8036205 A GB 8036205A GB 2086791 B GB2086791 B GB 2086791B
Authority
GB
United Kingdom
Prior art keywords
portable power
operated drill
drill
operated
portable
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
GB8036205A
Other versions
GB2086791A (en
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.)
Wolf Electric Tools Ltd
Original Assignee
Wolf Electric Tools Ltd
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 Wolf Electric Tools Ltd filed Critical Wolf Electric Tools Ltd
Priority to GB8036205A priority Critical patent/GB2086791B/en
Priority to EP81304672A priority patent/EP0051923B1/en
Priority to DE8181304672T priority patent/DE3168814D1/en
Publication of GB2086791A publication Critical patent/GB2086791A/en
Application granted granted Critical
Publication of GB2086791B publication Critical patent/GB2086791B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B25D11/06—Means for driving the impulse member
    • B25D11/10—Means for driving the impulse member comprising a cam mechanism
    • B25D11/102—Means for driving the impulse member comprising a cam mechanism the rotating axis of the cam member being coaxial with the axis of the tool
    • B25D11/106—Means for driving the impulse member comprising a cam mechanism the rotating axis of the cam member being coaxial with the axis of the tool cam member and cam follower having the same shape
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2211/00—Details of portable percussive tools with electromotor or other motor drive
    • B25D2211/06—Means for driving the impulse member
    • B25D2211/062—Cam-actuated impulse-driving mechanisms
    • B25D2211/064—Axial cams, e.g. two camming surfaces coaxial with drill spindle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2211/00—Details of portable percussive tools with electromotor or other motor drive
    • B25D2211/06—Means for driving the impulse member
    • B25D2211/062—Cam-actuated impulse-driving mechanisms
    • B25D2211/067—Cam-actuated impulse-driving mechanisms wherein the cams are involved in a progressive mutual engagement with increasing pressure of the tool to the working surface

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)
  • Percussive Tools And Related Accessories (AREA)
GB8036205A 1980-11-11 1980-11-11 Portable power-operated drill Expired GB2086791B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB8036205A GB2086791B (en) 1980-11-11 1980-11-11 Portable power-operated drill
EP81304672A EP0051923B1 (en) 1980-11-11 1981-10-08 Portable power-operated drill
DE8181304672T DE3168814D1 (en) 1980-11-11 1981-10-08 Portable power-operated drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8036205A GB2086791B (en) 1980-11-11 1980-11-11 Portable power-operated drill

Publications (2)

Publication Number Publication Date
GB2086791A GB2086791A (en) 1982-05-19
GB2086791B true GB2086791B (en) 1984-05-31

Family

ID=10517238

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8036205A Expired GB2086791B (en) 1980-11-11 1980-11-11 Portable power-operated drill

Country Status (3)

Country Link
EP (1) EP0051923B1 (en)
DE (1) DE3168814D1 (en)
GB (1) GB2086791B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2121716B (en) * 1982-06-11 1985-07-31 Coal Ind Hydraulic reciprocating tools
DE3603672A1 (en) * 1986-02-06 1987-08-13 Dischler Helmut SWITCHABLE AND AUTOMATICLY SWITCHABLE OVERLOAD CLUTCH, ESPECIALLY FOR HAND TOOLS
DE4020269A1 (en) * 1990-06-26 1992-01-02 Bosch Gmbh Robert ELECTRIC DRILLING MACHINE
EP1834737A1 (en) * 2006-03-18 2007-09-19 Metabowerke GmbH Electric hand tool

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1066765A (en) * 1951-11-23 1954-06-09 Development of rotary perforators
GB847888A (en) * 1957-07-20 1960-09-14 Friedrich Muthmann Electrically driven percussion drill, particularly for drilling rock, earth and synthetic substances
DE1204126C2 (en) * 1962-12-12 1975-02-27 Robert Bosch Gmbh, 7000 Stuttgart MOTOR-DRIVEN DRILLING MACHINE THAT CAN BE USED BOTH FOR IMPACT AND ROTARY DRILLING
US3433082A (en) * 1967-09-20 1969-03-18 Black & Decker Mfg Co Transmission and selector mechanism for alternate hammer and hammerdrill power tool
US3867988A (en) * 1973-02-02 1975-02-25 Rockwell International Corp Power tools
GB1366572A (en) * 1973-03-12 1974-09-11 Wolf Electric Tools Ltd Portable drills
DE2412872A1 (en) * 1974-03-18 1975-10-02 Bosch Gmbh Robert IMPACT DRILL

Also Published As

Publication number Publication date
DE3168814D1 (en) 1985-03-21
EP0051923A1 (en) 1982-05-19
EP0051923B1 (en) 1985-02-06
GB2086791A (en) 1982-05-19

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Legal Events

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

Effective date: 19961111