EP0808695A3 - Percussive drill - Google Patents

Percussive drill Download PDF

Info

Publication number
EP0808695A3
EP0808695A3 EP97107611A EP97107611A EP0808695A3 EP 0808695 A3 EP0808695 A3 EP 0808695A3 EP 97107611 A EP97107611 A EP 97107611A EP 97107611 A EP97107611 A EP 97107611A EP 0808695 A3 EP0808695 A3 EP 0808695A3
Authority
EP
European Patent Office
Prior art keywords
gear
spindle
tool spindle
sunwheel
blows
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.)
Granted
Application number
EP97107611A
Other languages
German (de)
French (fr)
Other versions
EP0808695A2 (en
EP0808695B1 (en
Inventor
Roland Vögele
Manuala Fischinger
Ulrich Keller
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.)
Techtronic Industries GmbH
Original Assignee
Atlas Copco Elektrowerkzeuge 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 Atlas Copco Elektrowerkzeuge GmbH filed Critical Atlas Copco Elektrowerkzeuge GmbH
Publication of EP0808695A2 publication Critical patent/EP0808695A2/en
Publication of EP0808695A3 publication Critical patent/EP0808695A3/en
Application granted granted Critical
Publication of EP0808695B1 publication Critical patent/EP0808695B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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

Abstract

The tool spindle (5) is driven from the pinion (5) of the motor armature via the planet-carrier of the gear train. The pinion meshes with a gear (2) turning on the tool spindle and which forms parts of the ratchet mechanism (6,7) generating the hammer-blows. Gear teeth (17) rotating with the gear form the sunwheel of the gear train (18), and the gear (2) transmits the axial hammer-blows to the tool spindle via a bearing (16) accommodating the difference between its speed and that of the spindle. The sunwheel teeth can form part of the gear (2) itself, and the bearing can be accommodated between an annular edge on the gear and a shoulder on the spindle.
EP97107611A 1996-05-22 1997-05-09 Percussive drill Expired - Lifetime EP0808695B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19620551A DE19620551C2 (en) 1996-05-22 1996-05-22 Impact drill
DE19620551 1996-05-22

Publications (3)

Publication Number Publication Date
EP0808695A2 EP0808695A2 (en) 1997-11-26
EP0808695A3 true EP0808695A3 (en) 1999-04-14
EP0808695B1 EP0808695B1 (en) 2004-06-23

Family

ID=7794977

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97107611A Expired - Lifetime EP0808695B1 (en) 1996-05-22 1997-05-09 Percussive drill

Country Status (3)

Country Link
EP (1) EP0808695B1 (en)
AT (1) ATE269781T1 (en)
DE (2) DE19620551C2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19719923C2 (en) * 1997-05-13 1999-03-18 Atlas Copco Electric Tools Drill, drill screw or impact drill
DE102007010183A1 (en) * 2007-03-02 2008-09-04 Robert Bosch Gmbh Electric hand tool, e.g. hammer drill with gears, includes gearchange component sliding along guide rod parallel to intermediate gear shaft
WO2008157346A1 (en) 2007-06-15 2008-12-24 Black & Decker Inc. Hybrid impact tool
US9193053B2 (en) 2008-09-25 2015-11-24 Black & Decker Inc. Hybrid impact tool
US8631880B2 (en) 2009-04-30 2014-01-21 Black & Decker Inc. Power tool with impact mechanism
US8460153B2 (en) 2009-12-23 2013-06-11 Black & Decker Inc. Hybrid impact tool with two-speed transmission
US8584770B2 (en) 2010-03-23 2013-11-19 Black & Decker Inc. Spindle bearing arrangement for a power tool

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3315177A1 (en) * 1982-05-04 1983-11-10 Black & Decker, Inc. (eine Gesellschaft n.d.Ges.d. Staates Delaware), 19711 Newark, Del. Percussion drilling machine with percussion rate independent of rotary speed
DE4038502A1 (en) * 1990-12-03 1992-06-04 Licentia Gmbh Hand-operated electric hammer drill - has cup=shaped ratchet with central bore for drive spindle
EP0613758A1 (en) * 1993-03-05 1994-09-07 Black & Decker Inc. Power tool and mechanism therefor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3115419C2 (en) * 1981-04-16 1985-03-07 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Impact drill with a device for switching from rotary drilling to hammer drilling

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3315177A1 (en) * 1982-05-04 1983-11-10 Black & Decker, Inc. (eine Gesellschaft n.d.Ges.d. Staates Delaware), 19711 Newark, Del. Percussion drilling machine with percussion rate independent of rotary speed
DE4038502A1 (en) * 1990-12-03 1992-06-04 Licentia Gmbh Hand-operated electric hammer drill - has cup=shaped ratchet with central bore for drive spindle
EP0613758A1 (en) * 1993-03-05 1994-09-07 Black & Decker Inc. Power tool and mechanism therefor

Also Published As

Publication number Publication date
DE19620551A1 (en) 1997-11-27
EP0808695A2 (en) 1997-11-26
EP0808695B1 (en) 2004-06-23
ATE269781T1 (en) 2004-07-15
DE59711730D1 (en) 2004-07-29
DE19620551C2 (en) 1998-04-09

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