FR2438739A3 - Porte-trepan et trepan de haveuse - Google Patents

Porte-trepan et trepan de haveuse

Info

Publication number
FR2438739A3
FR2438739A3 FR7921493A FR7921493A FR2438739A3 FR 2438739 A3 FR2438739 A3 FR 2438739A3 FR 7921493 A FR7921493 A FR 7921493A FR 7921493 A FR7921493 A FR 7921493A FR 2438739 A3 FR2438739 A3 FR 2438739A3
Authority
FR
France
Prior art keywords
tool
annular groove
tail
flexible bar
bar engaging
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
FR7921493A
Other languages
English (en)
Other versions
FR2438739B3 (fr
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.)
KRUMMENAUER KG H
Original Assignee
KRUMMENAUER KG H
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
Priority claimed from DE19787825204 external-priority patent/DE7825204U1/de
Priority claimed from DE19787830854 external-priority patent/DE7830854U1/de
Application filed by KRUMMENAUER KG H filed Critical KRUMMENAUER KG H
Publication of FR2438739A3 publication Critical patent/FR2438739A3/fr
Application granted granted Critical
Publication of FR2438739B3 publication Critical patent/FR2438739B3/fr
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/19—Means for fixing picks or holders
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)

Abstract

PORTE-TREPAN ET TREPAN DE HAVEUSE. LE TREPAN5 EST RETENU AXIALEMENT DANS LE PORTE-TREPAN1 PAR AU MOINS UN BARREAU FLEXIBLE17 ENCASTRE DANS UN ALESAGE DU PORTE-TREPAN ET ENGAGE TANGENTIELLEMENT, PAR EFFET DE RESSORT, DANS UNE GORGE ANNULAIRE13 DE LA QUEUE DU TREPAN5. LA FLEXIBILITE DU BARREAU17 PEUT ETRE ACCRUE PAR INTERPOSITION D'UN MANCHON EN CAOUTCHOUC18 INTERPOSE ENTRE CE BARREAU ET LEDIT ALESAGE. APPLICATION A LA FIXATION D'OUTILS DE TAILLE POUR EXPLOITATIONS MINIERES.
FR7921493A 1978-08-24 1979-08-23 Porte-trepan et trepan de haveuse Granted FR2438739A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19787825204 DE7825204U1 (de) 1978-08-24 1978-08-24 Meisselhalter fuer ein schraemwerkzeug
DE19787830854 DE7830854U1 (de) 1978-10-17 1978-10-17 Meisselhalter und darin gehaltener schraemmeissel

Publications (2)

Publication Number Publication Date
FR2438739A3 true FR2438739A3 (fr) 1980-05-09
FR2438739B3 FR2438739B3 (fr) 1980-11-14

Family

ID=25948252

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7921493A Granted FR2438739A3 (fr) 1978-08-24 1979-08-23 Porte-trepan et trepan de haveuse

Country Status (1)

Country Link
FR (1) FR2438739A3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0201073A2 (fr) * 1985-05-10 1986-11-12 Hans Krummenauer GmbH & Co. KG Porte-pic pour un outil de coupe
FR2615562A1 (fr) * 1987-05-20 1988-11-25 Seraphin Leon Dispositif de fixation rapide et sure d'un outil sur un porte-outil et methode de fixation correspondante
WO1996031682A1 (fr) * 1995-04-06 1996-10-10 Kennametal South Africa (Proprietary) Limited Extraction d'un porte-pic
US6059373A (en) * 1995-04-06 2000-05-09 Kennametal Inc. Pick holder extraction

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0201073A2 (fr) * 1985-05-10 1986-11-12 Hans Krummenauer GmbH & Co. KG Porte-pic pour un outil de coupe
EP0201073A3 (en) * 1985-05-10 1987-02-04 Hans Krummenauer Gmbh & Co. Kg Pick holder for a cutting tool
FR2615562A1 (fr) * 1987-05-20 1988-11-25 Seraphin Leon Dispositif de fixation rapide et sure d'un outil sur un porte-outil et methode de fixation correspondante
WO1996031682A1 (fr) * 1995-04-06 1996-10-10 Kennametal South Africa (Proprietary) Limited Extraction d'un porte-pic
US6059373A (en) * 1995-04-06 2000-05-09 Kennametal Inc. Pick holder extraction

Also Published As

Publication number Publication date
FR2438739B3 (fr) 1980-11-14

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