CA986752A - Hammer drill - Google Patents

Hammer drill

Info

Publication number
CA986752A
CA986752A CA179,895A CA179895A CA986752A CA 986752 A CA986752 A CA 986752A CA 179895 A CA179895 A CA 179895A CA 986752 A CA986752 A CA 986752A
Authority
CA
Canada
Prior art keywords
hammer drill
hammer
drill
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
CA179,895A
Other languages
English (en)
Other versions
CA179895S (en
Inventor
John S. Jarecki
Walter J. Fromm
Original Assignee
Skil Corp Canada 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
Priority claimed from US00353562A external-priority patent/US3809168A/en
Application filed by Skil Corp Canada Ltd filed Critical Skil Corp Canada Ltd
Application granted granted Critical
Publication of CA986752A publication Critical patent/CA986752A/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
    • 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)
  • Percussive Tools And Related Accessories (AREA)
  • Drilling And Boring (AREA)
CA179,895A 1972-08-30 1973-08-29 Hammer drill Expired CA986752A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US28473872A 1972-08-30 1972-08-30
US00353562A US3809168A (en) 1973-04-23 1973-04-23 Hammer drill

Publications (1)

Publication Number Publication Date
CA986752A true CA986752A (en) 1976-04-06

Family

ID=26962774

Family Applications (1)

Application Number Title Priority Date Filing Date
CA179,895A Expired CA986752A (en) 1972-08-30 1973-08-29 Hammer drill

Country Status (8)

Country Link
JP (1) JPS6010844B2 (enExample)
CA (1) CA986752A (enExample)
CH (1) CH576316A5 (enExample)
DE (1) DE2343353C2 (enExample)
FR (1) FR2197679B1 (enExample)
GB (1) GB1438571A (enExample)
IT (1) IT990430B (enExample)
NL (1) NL7311920A (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2930856A1 (de) * 1979-07-30 1981-02-19 Hilti Ag Vorrichtung zum bohren von gestein
DE2916499A1 (de) * 1979-04-24 1980-11-06 Duss Maschf Elektro-handbohrmaschine mit vorrichtung zur wahlweisen umstellung fuer drehendes oder schlagendes bohren
GB2121717B (en) * 1982-06-02 1985-09-18 Black & Decker Inc Improvements in or relating to rotary percussive drills
US5588496A (en) * 1994-07-14 1996-12-31 Milwaukee Electric Tool Corporation Slip clutch arrangement for power tool
US7854274B2 (en) 2007-11-21 2010-12-21 Black & Decker Inc. Multi-mode drill and transmission sub-assembly including a gear case cover supporting biasing
US7762349B2 (en) 2007-11-21 2010-07-27 Black & Decker Inc. Multi-speed drill and transmission with low gear only clutch
US7717192B2 (en) 2007-11-21 2010-05-18 Black & Decker Inc. Multi-mode drill with mode collar
US7717191B2 (en) 2007-11-21 2010-05-18 Black & Decker Inc. Multi-mode hammer drill with shift lock
US7770660B2 (en) 2007-11-21 2010-08-10 Black & Decker Inc. Mid-handle drill construction and assembly process
US7735575B2 (en) 2007-11-21 2010-06-15 Black & Decker Inc. Hammer drill with hard hammer support structure
US7798245B2 (en) 2007-11-21 2010-09-21 Black & Decker Inc. Multi-mode drill with an electronic switching arrangement

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1239679A (fr) * 1958-11-05 1960-08-26 Anstalt Fuer Montage Technik Appareil perforateur à percussion
DE1427747C3 (de) * 1960-12-10 1975-03-27 Skil Corp. (N.D. Ges. D. Staates Delaware), Chicago, Ill. (V.St.A.) Arbeitsgerät für auswechselbares und mittels einer Schlag- und/oder Drehbewegung antreibbares Werkzeug und Verwendung eines solchen Arbeitsgeräts

Also Published As

Publication number Publication date
CH576316A5 (enExample) 1976-06-15
FR2197679B1 (enExample) 1977-02-25
IT990430B (it) 1975-06-20
DE2343353C2 (de) 1984-10-18
DE2343353A1 (de) 1974-03-14
AU5876773A (en) 1975-02-06
JPS6010844B2 (ja) 1985-03-20
GB1438571A (en) 1976-06-09
FR2197679A1 (enExample) 1974-03-29
NL7311920A (enExample) 1974-03-04
JPS4960063A (enExample) 1974-06-11

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