EP0473908A3 - Drill and/or impact hammer - Google Patents

Drill and/or impact hammer Download PDF

Info

Publication number
EP0473908A3
EP0473908A3 EP19910111631 EP91111631A EP0473908A3 EP 0473908 A3 EP0473908 A3 EP 0473908A3 EP 19910111631 EP19910111631 EP 19910111631 EP 91111631 A EP91111631 A EP 91111631A EP 0473908 A3 EP0473908 A3 EP 0473908A3
Authority
EP
European Patent Office
Prior art keywords
drill
impact hammer
hammer
impact
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
EP19910111631
Other languages
German (de)
Other versions
EP0473908B1 (en
EP0473908A2 (en
Inventor
Karl Frauhammer
Frank Mueller
Heinz Ing. Schnerring
Heinz Dr.Dipl.-Ing. Neubert
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 EP0473908A2 publication Critical patent/EP0473908A2/en
Publication of EP0473908A3 publication Critical patent/EP0473908A3/en
Application granted granted Critical
Publication of EP0473908B1 publication Critical patent/EP0473908B1/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
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/26—Lubricating
EP91111631A 1990-08-25 1991-07-12 Drill and/or impact hammer Expired - Lifetime EP0473908B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4026946A DE4026946A1 (en) 1990-08-25 1990-08-25 DRILL AND / OR SLOPE
DE4026946 1990-08-25

Publications (3)

Publication Number Publication Date
EP0473908A2 EP0473908A2 (en) 1992-03-11
EP0473908A3 true EP0473908A3 (en) 1992-05-20
EP0473908B1 EP0473908B1 (en) 1995-03-22

Family

ID=6412936

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91111631A Expired - Lifetime EP0473908B1 (en) 1990-08-25 1991-07-12 Drill and/or impact hammer

Country Status (2)

Country Link
EP (1) EP0473908B1 (en)
DE (2) DE4026946A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6000140A (en) * 1997-12-01 1999-12-14 Black & Decker Inc. Power tool with lubricating system
DE10003772A1 (en) * 2000-01-28 2001-08-09 Bosch Gmbh Robert Device for sealing a room
DE10045618A1 (en) * 2000-09-15 2002-04-04 Bosch Gmbh Robert Machine tool with a room with lubricant and a pressure compensation device of the room
DE10045620A1 (en) * 2000-09-15 2002-04-04 Bosch Gmbh Robert Machine tool with a room with lubricant and a pressure compensation device of the room
CN101520091A (en) * 2008-02-28 2009-09-02 昆山密友实业有限公司 Hydrodynamic pressure type sealing machine of kettle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1915934A1 (en) * 1969-03-28 1970-10-08 Dornier System Gmbh Device for sealing shafts
US3937477A (en) * 1973-12-26 1976-02-10 Borg-Warner Corporation Mechanical seal system
EP0049719A1 (en) * 1980-10-09 1982-04-21 John Crane-Houdaille, Inc. Low energy tandem seal
DE3235544A1 (en) * 1982-09-25 1984-03-29 Robert Bosch Gmbh, 7000 Stuttgart Drill hammer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1915934A1 (en) * 1969-03-28 1970-10-08 Dornier System Gmbh Device for sealing shafts
US3937477A (en) * 1973-12-26 1976-02-10 Borg-Warner Corporation Mechanical seal system
EP0049719A1 (en) * 1980-10-09 1982-04-21 John Crane-Houdaille, Inc. Low energy tandem seal
DE3235544A1 (en) * 1982-09-25 1984-03-29 Robert Bosch Gmbh, 7000 Stuttgart Drill hammer

Also Published As

Publication number Publication date
DE4026946A1 (en) 1992-02-27
EP0473908B1 (en) 1995-03-22
DE59104985D1 (en) 1995-04-27
EP0473908A2 (en) 1992-03-11

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