JPS63144613U - - Google Patents

Info

Publication number
JPS63144613U
JPS63144613U JP3765787U JP3765787U JPS63144613U JP S63144613 U JPS63144613 U JP S63144613U JP 3765787 U JP3765787 U JP 3765787U JP 3765787 U JP3765787 U JP 3765787U JP S63144613 U JPS63144613 U JP S63144613U
Authority
JP
Japan
Prior art keywords
holding plate
convex portions
rotating
portions
polygon mirror
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
JP3765787U
Other languages
Japanese (ja)
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 JP3765787U priority Critical patent/JPS63144613U/ja
Publication of JPS63144613U publication Critical patent/JPS63144613U/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/80—Labyrinth sealings

Landscapes

  • Brushless Motors (AREA)

Description

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

第１図及び至第２図は本考案の実施例における
回転多面鏡駆動装置の断面図、第３図及び至第４
図は従来例の断面図である。 １……軸、２……ロータボス、３……フレーム
、３ａ……凹凸部、５……回転多面鏡、６……押
さえ板、６ａ……凹部、６ｂ……凸部、７ａ，７
ｂ……玉軸受け。 1 and 2 are cross-sectional views of a rotating polygon mirror drive device according to an embodiment of the present invention, and FIGS.
The figure is a sectional view of a conventional example. DESCRIPTION OF SYMBOLS 1... Shaft, 2... Rotor boss, 3... Frame, 3a... Uneven part, 5... Rotating polygon mirror, 6... Holding plate, 6a... Concave part, 6b... Convex part, 7a, 7
b...Ball bearing.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 回転軸と、その回転軸に固定される回転部材と
、前記回転部材に押さえ板を介して締結される回
転多面鏡とを有するロータ組立と、前記回転軸を
回転自在に支持する軸受を有するフレームとから
なり、前記押さえ板の回転多面鏡に接する面の反
対側面にそれぞれ１個以上の凹部と凸部を回転軸
を中心とする同心円状に設けるとともに、前記凹
凸部を有する押さえ板面と相対向する位置のフレ
ーム面にも同様な１個以上の凹凸部を設け、前記
押さえ板とフレームの凹凸部が接離してはめ合わ
される様に構成された回転多面鏡駆動装置。 A rotor assembly including a rotating shaft, a rotating member fixed to the rotating shaft, a rotating polygon mirror fastened to the rotating member via a presser plate, and a frame having a bearing rotatably supporting the rotating shaft. and one or more concave portions and one or more convex portions are provided on the opposite side of the surface of the holding plate that is in contact with the rotating polygon mirror, respectively, in a concentric circle centering on the rotation axis, and one or more concave portions and one or more convex portions are provided in a concentric circle around the rotation axis, and the holding plate surface is opposite to the holding plate surface having the uneven portions. A rotary polygon mirror drive device, wherein one or more similar concavo-convex portions are provided on a frame surface at a facing position, and the concave-convex portions of the holding plate and the frame are fitted into contact with and away from each other.
JP3765787U 1987-03-13 1987-03-13 Pending JPS63144613U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3765787U JPS63144613U (en) 1987-03-13 1987-03-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3765787U JPS63144613U (en) 1987-03-13 1987-03-13

Publications (1)

Publication Number Publication Date
JPS63144613U true JPS63144613U (en) 1988-09-22

Family

ID=30849179

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3765787U Pending JPS63144613U (en) 1987-03-13 1987-03-13

Country Status (1)

Country Link
JP (1) JPS63144613U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0391516U (en) * 1989-12-29 1991-09-18

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59144817A (en) * 1983-02-07 1984-08-20 Canon Inc Seal device
JPS6022115A (en) * 1983-07-18 1985-02-04 Derufuai:Kk Polygon mirror driving device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59144817A (en) * 1983-02-07 1984-08-20 Canon Inc Seal device
JPS6022115A (en) * 1983-07-18 1985-02-04 Derufuai:Kk Polygon mirror driving device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0391516U (en) * 1989-12-29 1991-09-18

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