CH612872A5 - Manually guided hammer with a collar protecting the tool bearing from dust - Google Patents

Manually guided hammer with a collar protecting the tool bearing from dust

Info

Publication number
CH612872A5
CH612872A5 CH206276A CH206276A CH612872A5 CH 612872 A5 CH612872 A5 CH 612872A5 CH 206276 A CH206276 A CH 206276A CH 206276 A CH206276 A CH 206276A CH 612872 A5 CH612872 A5 CH 612872A5
Authority
CH
Switzerland
Prior art keywords
dust
manually guided
tool bearing
collar protecting
hammer
Prior art date
Application number
CH206276A
Other languages
English (en)
Inventor
Jacob Holzaepfel
Original Assignee
Duss Friedrich 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 Duss Friedrich Fa filed Critical Duss Friedrich Fa
Publication of CH612872A5 publication Critical patent/CH612872A5/xx

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
    • B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D2217/0057—Details related to cleaning or cooling the tool or workpiece
    • B25D2217/0065—Use of dust covers
    • B25D2217/0069—Protecting chucks against entering of chip dust

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Road Repair (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
CH206276A 1975-03-13 1976-02-19 Manually guided hammer with a collar protecting the tool bearing from dust CH612872A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752511045 DE2511045A1 (de) 1975-03-13 1975-03-13 Von hand fuehrbarer hammer mit einer das werkzeuglager vor staub schuetzenden manschette

Publications (1)

Publication Number Publication Date
CH612872A5 true CH612872A5 (en) 1979-08-31

Family

ID=5941317

Family Applications (1)

Application Number Title Priority Date Filing Date
CH206276A CH612872A5 (en) 1975-03-13 1976-02-19 Manually guided hammer with a collar protecting the tool bearing from dust

Country Status (5)

Country Link
CH (1) CH612872A5 (enExample)
DE (1) DE2511045A1 (enExample)
FR (1) FR2303646A1 (enExample)
GB (1) GB1537893A (enExample)
NL (1) NL7602457A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2844109A1 (de) * 1978-10-10 1980-04-24 Bosch Gmbh Robert Handwerkzeugmaschine, insbesondere bohr- und/oder schlaghammer
US4247122A (en) * 1979-01-31 1981-01-27 Black & Decker Inc. Dust sealing mechanism
DE4403449C2 (de) * 1994-02-04 1997-11-20 Freudenberg Carl Fa Dichtungsanordnung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1493768A (en) * 1920-08-28 1924-05-13 Rice Portable Rock Drill Corp Dustguard for percussion machines
US1524251A (en) * 1922-10-02 1925-01-27 Ingersoll Rand Co Retainer for percussive tools
GB292606A (en) * 1927-06-23 1929-03-07 Pierre Camille Desmul Improvements in pneumatic tools
FR1160284A (fr) * 1956-08-23 1958-07-10 Gelenkwellenbau Gmbh Dispositif d'étanchéité pour tourillons d'arbres articulés avec compensation de la longueur
CH480577A (de) * 1968-03-28 1969-10-31 Escher Wyss Ag Drosselklappe für Rohrleitungen, insbesondere von Wasserkraftanlagen

Also Published As

Publication number Publication date
NL7602457A (nl) 1976-09-15
GB1537893A (en) 1979-01-10
DE2511045A1 (de) 1976-09-23
FR2303646A1 (fr) 1976-10-08
FR2303646B1 (enExample) 1980-08-08

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased