JPS61117607U - - Google Patents

Info

Publication number
JPS61117607U
JPS61117607U JP20046384U JP20046384U JPS61117607U JP S61117607 U JPS61117607 U JP S61117607U JP 20046384 U JP20046384 U JP 20046384U JP 20046384 U JP20046384 U JP 20046384U JP S61117607 U JPS61117607 U JP S61117607U
Authority
JP
Japan
Prior art keywords
circumferential surface
cylindrical body
chuck
needle roller
cylinder
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
JP20046384U
Other languages
Japanese (ja)
Other versions
JPH0144243Y2 (en
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 filed Critical
Priority to JP1984200463U priority Critical patent/JPH0144243Y2/ja
Priority to US06/728,805 priority patent/US4660840A/en
Priority to DE8516186U priority patent/DE8516186U1/en
Priority to IT5348785U priority patent/IT8553487V0/en
Publication of JPS61117607U publication Critical patent/JPS61117607U/ja
Application granted granted Critical
Publication of JPH0144243Y2 publication Critical patent/JPH0144243Y2/ja
Expired 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
    • B23B31/117—Retention by friction only, e.g. using springs, resilient sleeves, tapers

Landscapes

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

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案に係るニードルローラ式チヤツ
クの一実施例を示す半断面図、第２図はその一部
を切欠いた斜視図である。第３図、第４図は従来
のニードルローラ式チヤツクの断面図である。 １０……チヤツク本体、１５……内筒、１６…
…溝部、２０……外筒、２５……リテーナ、３０
……ニードルローラ、３５……締付けナツト。 FIG. 1 is a half-sectional view showing an embodiment of a needle roller type chuck according to the present invention, and FIG. 2 is a partially cutaway perspective view thereof. FIGS. 3 and 4 are cross-sectional views of conventional needle roller chucks. 10...chuck body, 15...inner cylinder, 16...
...Groove, 20... Outer tube, 25... Retainer, 30
...Needle roller, 35...Tightening nut.

Claims (1)

【実用新案登録請求の範囲】 外周面を先細のテーパとした筒体をチヤツク本
体の前方に延在し、この筒体の外周面より若干大
径で平行なテーパを内周面に形成した締付けナツ
トを、リテーナに回転自在に保持された多数のニ
ードルローラを介して前記筒体の外周面に装着し
たニードルローラ式チヤツクにおいて、 前記筒体をチヤツク本体と一体に形成した内筒
と、この内筒の外周面に一体的に固着される外筒
とに分割し、内筒の外周面に前記ニードルローラ
装着部に対応する溝部を内筒先端部を残して軸方
向に複数本形成したことを特徴とするニードルロ
ーラ式チヤツク。[Claims for Utility Model Registration] A tightening device in which a cylindrical body with a tapered outer circumferential surface extends in front of the chuck body, and a parallel taper with a diameter slightly larger than the outer circumferential surface of the cylindrical body is formed on the inner circumferential surface. A needle roller type chuck in which a nut is attached to the outer circumferential surface of the cylindrical body via a number of needle rollers rotatably held by a retainer, wherein the cylindrical body is formed integrally with the chuck body, an inner cylinder; The tube is divided into an outer cylinder which is integrally fixed to the outer peripheral surface of the cylinder, and a plurality of grooves corresponding to the needle roller attachment parts are formed in the axial direction on the outer peripheral surface of the inner cylinder, leaving the tip of the inner cylinder. Features a needle roller chuck.
JP1984200463U 1984-12-28 1984-12-28 Expired JPH0144243Y2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1984200463U JPH0144243Y2 (en) 1984-12-28 1984-12-28
US06/728,805 US4660840A (en) 1984-12-28 1985-04-29 Needle-roller type chuck
DE8516186U DE8516186U1 (en) 1984-12-28 1985-06-03 Chuck with needle rollers
IT5348785U IT8553487V0 (en) 1984-12-28 1985-06-10 ROLLER TYPE TOOL HOLDER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984200463U JPH0144243Y2 (en) 1984-12-28 1984-12-28

Publications (2)

Publication Number Publication Date
JPS61117607U true JPS61117607U (en) 1986-07-24
JPH0144243Y2 JPH0144243Y2 (en) 1989-12-21

Family

ID=30761339

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984200463U Expired JPH0144243Y2 (en) 1984-12-28 1984-12-28

Country Status (2)

Country Link
JP (1) JPH0144243Y2 (en)
IT (1) IT8553487V0 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61124305U (en) * 1985-01-24 1986-08-05
JPS63110307U (en) * 1987-01-06 1988-07-15
JPS63110306U (en) * 1987-01-06 1988-07-15

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5264078A (en) * 1975-11-20 1977-05-27 Toyomoto Hiromitsu Chuck
JPS58121605U (en) * 1982-02-15 1983-08-18 株式会社不二越 Collection
JPS58143108U (en) * 1982-03-19 1983-09-27 大昭和精機株式会社 Roll lock milling chuck

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5264078A (en) * 1975-11-20 1977-05-27 Toyomoto Hiromitsu Chuck
JPS58121605U (en) * 1982-02-15 1983-08-18 株式会社不二越 Collection
JPS58143108U (en) * 1982-03-19 1983-09-27 大昭和精機株式会社 Roll lock milling chuck

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61124305U (en) * 1985-01-24 1986-08-05
JPS63110307U (en) * 1987-01-06 1988-07-15
JPS63110306U (en) * 1987-01-06 1988-07-15

Also Published As

Publication number Publication date
IT8553487V0 (en) 1985-06-10
JPH0144243Y2 (en) 1989-12-21

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