ES471261A1 - Percusiive hand tool - Google Patents

Percusiive hand tool

Info

Publication number
ES471261A1
ES471261A1 ES471261A ES471261A ES471261A1 ES 471261 A1 ES471261 A1 ES 471261A1 ES 471261 A ES471261 A ES 471261A ES 471261 A ES471261 A ES 471261A ES 471261 A1 ES471261 A1 ES 471261A1
Authority
ES
Spain
Prior art keywords
drilling
percusiive
ring
percussion
drive member
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
ES471261A
Other languages
Spanish (es)
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 ES471261A1 publication Critical patent/ES471261A1/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
    • B25D11/08—Means for driving the impulse member comprising a worm mechanism, i.e. a continuous guide surface with steadily rising and falling incline
    • 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
    • B25D11/062—Means for driving the impulse member comprising a wobbling mechanism, swash plate

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Drilling And Boring (AREA)

Abstract

A drilling or percussion hammer with a percussion mechanism driven by electric motor is proposed in which a striker (23), connected via an air cushion to a drive member (24) performing an axial reciprocating movement, releases its energy to a tool guided in the drilling or percussion hammer. Via a ring (20) provided with a driving pin (21), the drive member (24) is supported on a rotating curved track (118) closed upon itself. Rolling-contact bodies (100, 100') are inserted between the curved track and the ring. A device of maximum effectiveness for converting the rotary movement of the drive motor into an axial movement of the air-cushion percussion mechanism is thereby created.
ES471261A 1977-06-29 1978-06-29 Percusiive hand tool Expired ES471261A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81095977A 1977-06-29 1977-06-29

Publications (1)

Publication Number Publication Date
ES471261A1 true ES471261A1 (en) 1979-01-16

Family

ID=25205145

Family Applications (1)

Application Number Title Priority Date Filing Date
ES471261A Expired ES471261A1 (en) 1977-06-29 1978-06-29 Percusiive hand tool

Country Status (5)

Country Link
CH (1) CH634250A5 (en)
DE (1) DE2738057A1 (en)
ES (1) ES471261A1 (en)
GB (1) GB1600944A (en)
NL (1) NL7806873A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2917475A1 (en) * 1979-04-30 1980-11-13 Hilti Ag DRILLING OR CHISEL HAMMER
DE2938206A1 (en) * 1979-09-21 1981-04-09 Robert Bosch Gmbh, 7000 Stuttgart Motor-driven hammer assembly - has gear output end with crank pin seated in planetary wheel rolling on inner stationary gear
US4325436A (en) * 1980-05-21 1982-04-20 Hilti Aktiengesellschaft Hammer drill or chipping hammer device
DE3039631A1 (en) * 1980-10-21 1982-05-27 Robert Bosch Gmbh, 7000 Stuttgart DRILLING HAMMER
DE3215198A1 (en) * 1982-04-23 1983-10-27 Friedrich Duss Maschinenfabrik GmbH & Co, 7265 Neubulach Electro-pneumatic drilling and/or chipping hammer
DE3322964A1 (en) * 1983-06-25 1985-01-24 Eugen Lutz GmbH u. Co Maschinenfabrik, 7130 Mühlacker IMPACT TOOL, ESPECIALLY DRILLING HAMMER
DE3335305C1 (en) * 1983-09-29 1984-08-16 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Hand-held hammer drill
DE3402728C2 (en) * 1984-01-27 1995-01-19 Kress Elektrik Gmbh & Co Drive for the hammer mechanism of a hammer drill or hammer
DE3919936A1 (en) * 1989-06-19 1990-12-20 Bosch Gmbh Robert DRILLING HAMMER
DE19634346A1 (en) * 1996-08-26 1998-03-05 Schaeffler Waelzlager Kg Hammer tool for power tool
DE19640894A1 (en) * 1996-10-04 1998-04-09 Schaeffler Waelzlager Ohg Striking tool provided with an air cushion hammer mechanism
CN201565933U (en) * 2009-10-30 2010-09-01 南京德朔实业有限公司 Electric hammer
JP5767511B2 (en) 2011-06-01 2015-08-19 株式会社マキタ Reciprocating work tool
EP3789162A1 (en) * 2019-09-04 2021-03-10 Hilti Aktiengesellschaft Rotary drive for a handheld machine tool

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE258061C (en) *
DE559976C (en) * 1930-09-21 1932-09-27 Johannes Mieritz Mechanical drive for machine tools with reciprocating tool z. B. riveting machines u. like
US2498679A (en) * 1948-07-12 1950-02-28 Edwin S Hall Starplate mechanism
US3430709A (en) * 1967-10-02 1969-03-04 Black & Decker Mfg Co Motion transmission mechanism for impact tools
CH546132A (en) * 1971-12-22 1974-02-28 Ruettimann Ernst ELECTRIC HAMMER WITH PENDULUM IMPACT SYSTEM.
DE2449191C2 (en) * 1974-10-16 1988-03-24 Robert Bosch Gmbh, 7000 Stuttgart hammer

Also Published As

Publication number Publication date
DE2738057A1 (en) 1979-02-15
CH634250A5 (en) 1983-01-31
GB1600944A (en) 1981-10-21
NL7806873A (en) 1979-01-03

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