CH680346A5 - - Google Patents

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Publication number
CH680346A5
CH680346A5 CH7390A CH7390A CH680346A5 CH 680346 A5 CH680346 A5 CH 680346A5 CH 7390 A CH7390 A CH 7390A CH 7390 A CH7390 A CH 7390A CH 680346 A5 CH680346 A5 CH 680346A5
Authority
CH
Switzerland
Prior art keywords
seal
piston
guide tube
annular groove
racket
Prior art date
Application number
CH7390A
Other languages
German (de)
English (en)
Inventor
Karl Wanner
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Publication of CH680346A5 publication Critical patent/CH680346A5/de

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
    • B25D11/12—Means for driving the impulse member comprising a crank mechanism
    • B25D11/125—Means for driving the impulse member comprising a crank mechanism with a fluid cushion between the crank drive and the striking body

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
CH7390A 1989-04-01 1990-01-10 CH680346A5 (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19893910598 DE3910598A1 (de) 1989-04-01 1989-04-01 Hammer mit luftfederschlagwerk

Publications (1)

Publication Number Publication Date
CH680346A5 true CH680346A5 (zh) 1992-08-14

Family

ID=6377637

Family Applications (1)

Application Number Title Priority Date Filing Date
CH7390A CH680346A5 (zh) 1989-04-01 1990-01-10

Country Status (2)

Country Link
CH (1) CH680346A5 (zh)
DE (1) DE3910598A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10249139A1 (de) * 2002-10-22 2004-05-06 Robert Bosch Gmbh Luftpolsterschlagwerk
GB0428210D0 (en) * 2004-12-23 2005-01-26 Black & Decker Inc Mode change mechanism
DE102009008190A1 (de) * 2009-01-30 2010-08-05 Hilti Aktiengesellschaft Pneumatisches Schlagwerk

Also Published As

Publication number Publication date
DE3910598A1 (de) 1990-10-04

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Legal Events

Date Code Title Description
PL Patent ceased