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FR2377520A1 - Tool retainer for pneumatic road drill - has single sleeve fitted in drill body for interchangeable use with spring clip or latch type - Google Patents

Tool retainer for pneumatic road drill - has single sleeve fitted in drill body for interchangeable use with spring clip or latch type

Info

Publication number
FR2377520A1
FR2377520A1 FR7701258A FR7701258A FR2377520A1 FR 2377520 A1 FR2377520 A1 FR 2377520A1 FR 7701258 A FR7701258 A FR 7701258A FR 7701258 A FR7701258 A FR 7701258A FR 2377520 A1 FR2377520 A1 FR 2377520A1
Authority
FR
France
Prior art keywords
drill
spring clip
latch type
tool retainer
sleeve fitted
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
FR7701258A
Other languages
French (fr)
Other versions
FR2377520B1 (en
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.)
Maco Meudon SA
Original Assignee
Maco Meudon SA
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 Maco Meudon SA filed Critical Maco Meudon SA
Priority to FR7701258A priority Critical patent/FR2377520A1/en
Publication of FR2377520A1 publication Critical patent/FR2377520A1/en
Application granted granted Critical
Publication of FR2377520B1 publication Critical patent/FR2377520B1/fr
Granted 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)
  • Drilling Tools (AREA)

Abstract

The tool retainer is fitted into the body of a pneumatic road drill and is interchangeable with the spring clip or the latch type. It comprises a sleeve (15), with a hexagonal bore for the tool bit (7), pressed into the drill body (1). This body has a lug (12) on opposite sides, each with an inclined slot. These hold the sides (21, 22) of an S-shaped spring clip (24), its ends (23) fitting into holes (14) higher up (13) the body. The bend (20) of the clip retains the loose fitting tool. A bracket on the sleeve collar has two sides to locate the latch of the latch type holder.
FR7701258A 1977-01-12 1977-01-12 Tool retainer for pneumatic road drill - has single sleeve fitted in drill body for interchangeable use with spring clip or latch type Granted FR2377520A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7701258A FR2377520A1 (en) 1977-01-12 1977-01-12 Tool retainer for pneumatic road drill - has single sleeve fitted in drill body for interchangeable use with spring clip or latch type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7701258A FR2377520A1 (en) 1977-01-12 1977-01-12 Tool retainer for pneumatic road drill - has single sleeve fitted in drill body for interchangeable use with spring clip or latch type

Publications (2)

Publication Number Publication Date
FR2377520A1 true FR2377520A1 (en) 1978-08-11
FR2377520B1 FR2377520B1 (en) 1983-02-04

Family

ID=9185583

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7701258A Granted FR2377520A1 (en) 1977-01-12 1977-01-12 Tool retainer for pneumatic road drill - has single sleeve fitted in drill body for interchangeable use with spring clip or latch type

Country Status (1)

Country Link
FR (1) FR2377520A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110512506A (en) * 2019-09-03 2019-11-29 中国水利水电第九工程局有限公司 Slit hole making device and construction machinery

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR427828A (en) * 1911-03-28 1911-08-14 Ingersoll Rand Co Improvements to percussion drills
FR662778A (en) * 1928-01-28 1929-08-12 Ingersoll Rand Co Bracket for the actual tool retainer in pneumatic tools
FR669956A (en) * 1929-02-20 1929-11-22 Ingersoll Rand Co Rock drill bit retainer
US2500038A (en) * 1947-02-01 1950-03-07 Chicago Pneumatic Tool Co Tool retainer for rock drills
US3356166A (en) * 1965-04-15 1967-12-05 Gardner Denver Co Percussive tool
FR2237426A7 (en) * 1973-07-11 1975-02-07 Atlas Copco Ab

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR427828A (en) * 1911-03-28 1911-08-14 Ingersoll Rand Co Improvements to percussion drills
FR662778A (en) * 1928-01-28 1929-08-12 Ingersoll Rand Co Bracket for the actual tool retainer in pneumatic tools
FR669956A (en) * 1929-02-20 1929-11-22 Ingersoll Rand Co Rock drill bit retainer
US2500038A (en) * 1947-02-01 1950-03-07 Chicago Pneumatic Tool Co Tool retainer for rock drills
US3356166A (en) * 1965-04-15 1967-12-05 Gardner Denver Co Percussive tool
FR2237426A7 (en) * 1973-07-11 1975-02-07 Atlas Copco Ab

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110512506A (en) * 2019-09-03 2019-11-29 中国水利水电第九工程局有限公司 Slit hole making device and construction machinery
CN110512506B (en) * 2019-09-03 2024-02-23 中国水利水电第九工程局有限公司 Lancing and hole-making device and engineering machinery

Also Published As

Publication number Publication date
FR2377520B1 (en) 1983-02-04

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Legal Events

Date Code Title Description
ST Notification of lapse