FR2322685A1 - Self centering and self clamping lathe chuck - comprises two bodies, one forming cylindrical cover whose inner surface guides second body - Google Patents

Self centering and self clamping lathe chuck - comprises two bodies, one forming cylindrical cover whose inner surface guides second body

Info

Publication number
FR2322685A1
FR2322685A1 FR7626617A FR7626617A FR2322685A1 FR 2322685 A1 FR2322685 A1 FR 2322685A1 FR 7626617 A FR7626617 A FR 7626617A FR 7626617 A FR7626617 A FR 7626617A FR 2322685 A1 FR2322685 A1 FR 2322685A1
Authority
FR
France
Prior art keywords
chuck
self
cylindrical cover
tubular section
bodies
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
FR7626617A
Other languages
French (fr)
Other versions
FR2322685B1 (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.)
PINIO SpA MARIO
Original Assignee
PINIO SpA MARIO
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 PINIO SpA MARIO filed Critical PINIO SpA MARIO
Publication of FR2322685A1 publication Critical patent/FR2322685A1/en
Application granted granted Critical
Publication of FR2322685B1 publication Critical patent/FR2322685B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
    • B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
    • B23B31/16233—Jaws movement actuated by oblique surfaces of a coaxial control rod

Abstract

The chuck for lathes has a first body which comprises two parts firmly connected to each other, and which form outside a rear flange (12) of the chuck and its central tubular section (18) a cylindrical cover (20) which is coaxial to the tubular section (18). The inner surface (20a) of the cover holds and guides a second body (30) of the chuck. Also incorporated is a front ring wall (26) which connects the cylindrical cover (20) and the tubular section (18), and has radial slots through which the clamping jaws (44) extend on the front side of the chuck. The second body (30) of the chuck is held and guided by the first body tubular section outer surface so that it is displaceable in the direction of the first body (10) in a limited manner against flexible return thrust force. It has radial grooves in its front surface for the clamping jaws.
FR7626617A 1975-09-05 1976-09-03 Self centering and self clamping lathe chuck - comprises two bodies, one forming cylindrical cover whose inner surface guides second body Granted FR2322685A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT6922175A IT1047974B (en) 1975-09-05 1975-09-05 SELF-CENTERING AND SELF-CLAMPING SPINDLE FOR LATHES AND SIMILAR MACHINE TOOLS

Publications (2)

Publication Number Publication Date
FR2322685A1 true FR2322685A1 (en) 1977-04-01
FR2322685B1 FR2322685B1 (en) 1980-10-31

Family

ID=11311595

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7626617A Granted FR2322685A1 (en) 1975-09-05 1976-09-03 Self centering and self clamping lathe chuck - comprises two bodies, one forming cylindrical cover whose inner surface guides second body

Country Status (3)

Country Link
DE (1) DE2639818C2 (en)
FR (1) FR2322685A1 (en)
IT (1) IT1047974B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2017138307A1 (en) * 2016-02-08 2018-11-22 株式会社北川鉄工所 Retractable chuck

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0011080A1 (en) * 1978-11-10 1980-05-28 Günter Horst Röhm Chuck with jaws radially adjustable in the chuck body
TW557238B (en) 2001-07-18 2003-10-11 Kitagawa Iron Works Co Chuck with pull-in function
CN109128948B (en) * 2018-10-24 2021-01-22 上海工程技术大学 Production fixture for balance shaft of automobile engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2017138307A1 (en) * 2016-02-08 2018-11-22 株式会社北川鉄工所 Retractable chuck
EP3401041A4 (en) * 2016-02-08 2019-03-13 Kitagawa Iron Works Co., Ltd Retracting chuck

Also Published As

Publication number Publication date
FR2322685B1 (en) 1980-10-31
DE2639818A1 (en) 1977-03-10
IT1047974B (en) 1980-10-20
DE2639818C2 (en) 1985-08-22

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Legal Events

Date Code Title Description
ST Notification of lapse