FR669956A - Rock drill bit retainer - Google Patents

Rock drill bit retainer

Info

Publication number
FR669956A
FR669956A FR669956DA FR669956A FR 669956 A FR669956 A FR 669956A FR 669956D A FR669956D A FR 669956DA FR 669956 A FR669956 A FR 669956A
Authority
FR
France
Prior art keywords
drill bit
rock drill
bit retainer
retainer
rock
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
Other languages
French (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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Application granted granted Critical
Publication of FR669956A publication Critical patent/FR669956A/en
Expired 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
    • B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit
    • B25D17/082—Retainers consisting of a swinging yoke or latching means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR669956D 1929-02-20 1929-02-20 Rock drill bit retainer Expired FR669956A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR669956T 1929-02-20

Publications (1)

Publication Number Publication Date
FR669956A true FR669956A (en) 1929-11-22

Family

ID=9016006

Family Applications (1)

Application Number Title Priority Date Filing Date
FR669956D Expired FR669956A (en) 1929-02-20 1929-02-20 Rock drill bit retainer

Country Status (1)

Country Link
FR (1) FR669956A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2377520A1 (en) * 1977-01-12 1978-08-11 Maco Meudon Sa Tool retainer for pneumatic road drill - has single sleeve fitted in drill body for interchangeable use with spring clip or latch type

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2377520A1 (en) * 1977-01-12 1978-08-11 Maco Meudon Sa Tool retainer for pneumatic road drill - has single sleeve fitted in drill body for interchangeable use with spring clip or latch type

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