CA2028001A1 - Tool chuck - Google Patents

Tool chuck

Info

Publication number
CA2028001A1
CA2028001A1 CA2028001A CA2028001A CA2028001A1 CA 2028001 A1 CA2028001 A1 CA 2028001A1 CA 2028001 A CA2028001 A CA 2028001A CA 2028001 A CA2028001 A CA 2028001A CA 2028001 A1 CA2028001 A1 CA 2028001A1
Authority
CA
Canada
Prior art keywords
chuck
tool
chuck claws
claws
slidable
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
CA2028001A
Other languages
French (fr)
Other versions
CA2028001C (en
Inventor
Daijiro Nakamura
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.)
Delta KK
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2028001A1 publication Critical patent/CA2028001A1/en
Application granted granted Critical
Publication of CA2028001C publication Critical patent/CA2028001C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B23B31/1207—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving obliquely to the axis of the chuck in a plane containing this axis
    • B23B31/1238—Jaws movement actuated by a nut with conical screw-thread
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2231/00—Details of chucks, toolholder shanks or tool shanks
    • B23B2231/12—Chucks having means to amplify the force produced by the actuating means to increase the clamping force
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2231/00—Details of chucks, toolholder shanks or tool shanks
    • B23B2231/38—Keyless chucks for hand tools

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping On Spindles (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

A tool chuck according to this invention com-prises a locking device disposed between a chuck body and chuck claws slidable by screw feeding. The lock-ing device presses and locks to the chuck body by a reaction force occurring when the chuck claws clamp a tool. The tool chuck further comprises a torque amplifying device disposed between the locking device and a control ring rotatably mounted on the chuck body. When the locking device is locked to the chuck body, the torque amplifying device reduces rotation of the control ring to output an amplified torque to a screw ring which screw-feeds the chuck claws. The chuck claws are slidable fast until the chuck claws clamp a tool inserted in position to realize a quick clamping action. When the chuck claws contact and hold the tool, the chuck claws are slidable with an increased torque, thereby holding the tool with a strong clamping force.
CA002028001A 1989-10-19 1990-10-18 Tool chuck Expired - Fee Related CA2028001C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP272935/1989 1989-10-19
JP1272935A JPH0829442B2 (en) 1989-10-19 1989-10-19 Tool chuck

Publications (2)

Publication Number Publication Date
CA2028001A1 true CA2028001A1 (en) 1991-04-20
CA2028001C CA2028001C (en) 1996-07-09

Family

ID=17520816

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002028001A Expired - Fee Related CA2028001C (en) 1989-10-19 1990-10-18 Tool chuck

Country Status (6)

Country Link
JP (1) JPH0829442B2 (en)
CN (1) CN1023980C (en)
CA (1) CA2028001C (en)
DE (1) DE4033122A1 (en)
FR (1) FR2653372A1 (en)
IT (1) IT1241650B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9718134B2 (en) 2012-07-23 2017-08-01 Roehm Gmbh Drill chuck

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998040182A1 (en) * 1997-03-12 1998-09-17 Shandong Weida Machine Tool Tools Group Corporation Manual tightened chuck
JP5378056B2 (en) * 2009-04-30 2013-12-25 ユキワ精工株式会社 Chuck device
CN103659311A (en) * 2012-09-14 2014-03-26 深圳富泰宏精密工业有限公司 Fixing assembly
JP2015231649A (en) * 2014-06-10 2015-12-24 株式会社 ムラテクノロジー Chuck device
CN205834284U (en) * 2016-05-20 2016-12-28 浙江三鸥机械股份有限公司 A kind of novel Self-locking drill-chuck
CN111404109B (en) * 2020-03-20 2021-03-05 泰州金鑫特种线缆有限公司 Electric power high-voltage line connects fixing device based on screw thread is tensile
CN111558811B (en) * 2020-06-01 2021-04-09 佛山市宝善五金装饰有限公司 Production process of metallurgical casting connecting piece

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4260169A (en) * 1979-11-29 1981-04-07 Hall Robert L Keyless chuck

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9718134B2 (en) 2012-07-23 2017-08-01 Roehm Gmbh Drill chuck

Also Published As

Publication number Publication date
IT1241650B (en) 1994-01-25
IT9067796A1 (en) 1992-04-17
IT9067796A0 (en) 1990-10-17
FR2653372B1 (en) 1995-01-20
JPH0829442B2 (en) 1996-03-27
FR2653372A1 (en) 1991-04-26
CA2028001C (en) 1996-07-09
JPH03136706A (en) 1991-06-11
DE4033122A1 (en) 1991-04-25
CN1023980C (en) 1994-03-16
CN1051003A (en) 1991-05-01

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed