CH348643A - Electric motor-driven hammer drill, in particular for drilling stones, earth and plastics - Google Patents

Electric motor-driven hammer drill, in particular for drilling stones, earth and plastics

Info

Publication number
CH348643A
CH348643A CH348643DA CH348643A CH 348643 A CH348643 A CH 348643A CH 348643D A CH348643D A CH 348643DA CH 348643 A CH348643 A CH 348643A
Authority
CH
Switzerland
Prior art keywords
plastics
earth
electric motor
hammer drill
driven hammer
Prior art date
Application number
Other languages
German (de)
Inventor
Muthmann Dieter
Original Assignee
Friedrich Muthmann Fa
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 Friedrich Muthmann Fa filed Critical Friedrich Muthmann Fa
Priority claimed from GB180957A external-priority patent/GB805678A/en
Publication of CH348643A publication Critical patent/CH348643A/en

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
    • B23B—TURNING; BORING
    • B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
    • 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
    • B25D2211/064—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
    • 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
    • B25D2250/005—Adjustable tool components; Adjustable parameters
    • B25D2250/021—Stroke length

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)
  • Percussive Tools And Related Accessories (AREA)
CH348643D 1957-01-17 1957-01-10 Electric motor-driven hammer drill, in particular for drilling stones, earth and plastics CH348643A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB180957A GB805678A (en) 1957-01-17 1957-01-17 Electrically driven percussion drill, particularly for drilling rock, earth and synthetic substances
DEM0025578 1957-07-20

Publications (1)

Publication Number Publication Date
CH348643A true CH348643A (en) 1960-08-31

Family

ID=25986691

Family Applications (2)

Application Number Title Priority Date Filing Date
CH348643D CH348643A (en) 1957-01-17 1957-01-10 Electric motor-driven hammer drill, in particular for drilling stones, earth and plastics
CH6183058A CH370693A (en) 1957-01-17 1958-07-16 Electric motor-driven hammer drill, in particular for drilling stones, earth and plastics

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH6183058A CH370693A (en) 1957-01-17 1958-07-16 Electric motor-driven hammer drill, in particular for drilling stones, earth and plastics

Country Status (4)

Country Link
BE (2) BE569590A (en)
CH (2) CH348643A (en)
FR (1) FR1164927A (en)
NL (2) NL214069A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE502006001594D1 (en) * 2006-03-18 2008-10-30 Metabowerke Gmbh Electric hand tool

Also Published As

Publication number Publication date
BE569590A (en)
NL102702C (en)
FR1164927A (en) 1958-10-15
CH370693A (en) 1963-07-15
NL214069A (en)
BE554353A (en)

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