GB981492A - Improvements in percussion drills - Google Patents

Improvements in percussion drills

Info

Publication number
GB981492A
GB981492A GB4843963A GB4843963A GB981492A GB 981492 A GB981492 A GB 981492A GB 4843963 A GB4843963 A GB 4843963A GB 4843963 A GB4843963 A GB 4843963A GB 981492 A GB981492 A GB 981492A
Authority
GB
United Kingdom
Prior art keywords
sleeve
disc
ribs
spindle
movement
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
GB4843963A
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 GB981492A publication Critical patent/GB981492A/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
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D49/00—Tractors
    • B62D49/06—Tractors adapted for multi-purpose use
    • B62D49/0685—Reversible tractors adapted for shuttle work

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Drilling And Boring (AREA)

Abstract

981,492. Drilling machine details. ROBERT BOSCH G.m.b.H. Dec. 9, 1963 [Dec. 12 1962], No. 48439/63. Heading B3C. [Also in Division B4C] A rotary-percussive drill comprises a tool spindle 12 guided for axial movement in a gear housing 10 having a thrust bearing 20, 21 contained in an axially displaceable adjusting sleeve 19, the sleeve being formed with at least one inclined surface for engagement with a corresponding surface 34 on a disc 25 formed with ribs 29 such that, upon rotation of the sleeve, ribs on a second disc 23 are brought into engagement with those on the disc 25 in order to effect percussive movement of the spindle. In operation, in order to provide rotary motion only of the spindle 12, the sleeve is rotated such as to withdraw the ribs on the disc 23 out of contact with those on the disc 25, the sleeve being retained in this position by means of a spring-loaded plunger 42 engaging in a dimple 45 in the sleeve; the plunger also engages in a groove 44 formed in the sleeve during the rotary movement.
GB4843963A 1962-12-12 1963-12-09 Improvements in percussion drills Expired GB981492A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1962B0069944 DE1204126C2 (en) 1962-12-12 1962-12-12 MOTOR-DRIVEN DRILLING MACHINE THAT CAN BE USED BOTH FOR IMPACT AND ROTARY DRILLING

Publications (1)

Publication Number Publication Date
GB981492A true GB981492A (en) 1965-01-27

Family

ID=6976481

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4843963A Expired GB981492A (en) 1962-12-12 1963-12-09 Improvements in percussion drills

Country Status (3)

Country Link
CH (1) CH406031A (en)
DE (1) DE1204126C2 (en)
GB (1) GB981492A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3695365A (en) * 1969-11-14 1972-10-03 Bosch Gmbh Robert Torque and impulse transmitting machine
EP0051923A1 (en) * 1980-11-11 1982-05-19 Kango Wolf Power Tools Limited Portable power-operated drill
CN102069475A (en) * 2009-11-20 2011-05-25 南京德朔实业有限公司 Dynamic hammer

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2715682C3 (en) * 1977-04-07 1982-05-27 Metabowerke KG Closs, Rauch & Schnizler, 7440 Nürtingen Impact drill with notches fixed to the housing
DE4013512A1 (en) * 1990-04-27 1991-10-31 Black & Decker Inc SWITCHING DEVICE FOR SWITCHING A POWERED TOOL

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2630723A (en) * 1947-08-30 1953-03-10 New Britain Machine Co Drill head
DE1105332B (en) * 1956-01-27 1961-04-20 Friedrich Muthmann Electric motor-driven hammer drill
DE1155657B (en) * 1959-12-24 1963-10-10 Bosch Gmbh Robert Hand drill

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3695365A (en) * 1969-11-14 1972-10-03 Bosch Gmbh Robert Torque and impulse transmitting machine
EP0051923A1 (en) * 1980-11-11 1982-05-19 Kango Wolf Power Tools Limited Portable power-operated drill
CN102069475A (en) * 2009-11-20 2011-05-25 南京德朔实业有限公司 Dynamic hammer
CN102069475B (en) * 2009-11-20 2013-08-21 南京德朔实业有限公司 Dynamic hammer

Also Published As

Publication number Publication date
CH406031A (en) 1966-01-15
DE1204126B (en) 1965-10-28
DE1204126C2 (en) 1975-02-27

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