JPS6427804A - Chuck for tool - Google Patents

Chuck for tool

Info

Publication number
JPS6427804A
JPS6427804A JP18156487A JP18156487A JPS6427804A JP S6427804 A JPS6427804 A JP S6427804A JP 18156487 A JP18156487 A JP 18156487A JP 18156487 A JP18156487 A JP 18156487A JP S6427804 A JPS6427804 A JP S6427804A
Authority
JP
Japan
Prior art keywords
rotated
rotation
nut
state
jaw
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.)
Pending
Application number
JP18156487A
Other languages
Japanese (ja)
Inventor
Iwao Sakamaki
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.)
SAKAMAKI SEISAKUSHO KK
Original Assignee
SAKAMAKI SEISAKUSHO KK
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 SAKAMAKI SEISAKUSHO KK filed Critical SAKAMAKI SEISAKUSHO KK
Priority to JP18156487A priority Critical patent/JPS6427804A/en
Publication of JPS6427804A publication Critical patent/JPS6427804A/en
Pending 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping On Spindles (AREA)

Abstract

PURPOSE:To eliminate 2-stage fastening motion, by a method wherein a jaw is slid in an expansion and reduction state by means of a rotation nut, and slid in a pressed state by means of a fastening nut, and through rotation in one-way of a control cylinder situated between the two nuts, the rotation and the fastening nut are rotated in order. CONSTITUTION:When a gripping ring 10 is held by a hand and a control cylinder 12 is rotated, through engagement of a torque piece 18 with a recessed groove 19, a resilient ring 17 is also rotated. Through engagement between a projected part 16 and a recessed part 20, a rotation nut 3 is rotated, and through the action of female and male screws 5 and 6, a jaw 2 is slid in a reduction inclination state to nip a tool C thereby. With the control cylinder 12 rotated, the rotation nut 3 is moved backward, and a bearing body 14 is pressed to bring a stationary ring 13 into pressure contact with a fastening nut 7. The fastening nut 7 is moved forward through the thread action of the female and male screws 8 and 9 as it is rotated, and a projected part 16 of a resilient ring 17 is moved over an engaging recessed part 20 and bent toward the recessed part 21 side. The rotation cylinder 12 is rotated in a state that the rotation nut 3 is in a rest state. In this case, a twist spring 24 is rotated, the rotation nut 3 is moved forward due to the presence of a gap R through the medium of the stationary ring 13 and the bearing body 14, and the jaw 2 is also moved forward and brought into pressure contact with the tool C.
JP18156487A 1987-07-21 1987-07-21 Chuck for tool Pending JPS6427804A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18156487A JPS6427804A (en) 1987-07-21 1987-07-21 Chuck for tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18156487A JPS6427804A (en) 1987-07-21 1987-07-21 Chuck for tool

Publications (1)

Publication Number Publication Date
JPS6427804A true JPS6427804A (en) 1989-01-30

Family

ID=16103002

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18156487A Pending JPS6427804A (en) 1987-07-21 1987-07-21 Chuck for tool

Country Status (1)

Country Link
JP (1) JPS6427804A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5267741A (en) * 1991-04-12 1993-12-07 Kajetan Leitner Drive for a drill chuck equipped with a torque coupling
US5553873A (en) * 1994-07-01 1996-09-10 Power Tool Holders Incorporated Keyless chuck
US5573254A (en) * 1989-12-11 1996-11-12 Power Tool Holders Incorporated Non-impact keyless chuck

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61219504A (en) * 1985-01-14 1986-09-29 マイケル・シユイナ−ド Manual clamping-able device for holding cutting tool
JPH0347963A (en) * 1989-03-01 1991-02-28 Toshiba Corp Sputtering target

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61219504A (en) * 1985-01-14 1986-09-29 マイケル・シユイナ−ド Manual clamping-able device for holding cutting tool
JPH0347963A (en) * 1989-03-01 1991-02-28 Toshiba Corp Sputtering target

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5573254A (en) * 1989-12-11 1996-11-12 Power Tool Holders Incorporated Non-impact keyless chuck
US5267741A (en) * 1991-04-12 1993-12-07 Kajetan Leitner Drive for a drill chuck equipped with a torque coupling
US5553873A (en) * 1994-07-01 1996-09-10 Power Tool Holders Incorporated Keyless chuck

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