JPS5865519U - Instrument ball bearings - Google Patents

Instrument ball bearings

Info

Publication number
JPS5865519U
JPS5865519U JP15970681U JP15970681U JPS5865519U JP S5865519 U JPS5865519 U JP S5865519U JP 15970681 U JP15970681 U JP 15970681U JP 15970681 U JP15970681 U JP 15970681U JP S5865519 U JPS5865519 U JP S5865519U
Authority
JP
Japan
Prior art keywords
ball bearing
instrument ball
outer ring
inner ring
instrument
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
JP15970681U
Other languages
Japanese (ja)
Inventor
隆司 小川
Original Assignee
日本精工株式会社
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 日本精工株式会社 filed Critical 日本精工株式会社
Priority to JP15970681U priority Critical patent/JPS5865519U/en
Publication of JPS5865519U publication Critical patent/JPS5865519U/en
Pending legal-status Critical Current

Links

Landscapes

  • Rolling Contact Bearings (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は従来の計器用玉軸受の縦断面図、第２図は本考
案の計器玉軸受の縦断面図、第３図は他の実施例の第２
図相当図、第４図は本考案の計器用玉軸受を用いた装置
で、符号１はケーシング、２は外輪、３は内輪、４は側
板、５は玉である。Fig. 1 is a longitudinal sectional view of a conventional instrument ball bearing, Fig. 2 is a longitudinal sectional view of an instrument ball bearing of the present invention, and Fig. 3 is a longitudinal sectional view of a conventional instrument ball bearing.
4 shows a device using the instrument ball bearing of the present invention, in which reference numeral 1 is a casing, 2 is an outer ring, 3 is an inner ring, 4 is a side plate, and 5 is a ball.

Claims (3)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）ケーシング内に、外輪と該外輪の両端面に側面を
当接して前記外輪を挾持する２つの側板とを有し、前記
外輪の内径面と前記側板の側面とで囲み形成する環状空
間に複数の玉を配置してなる縦形に用いる計器用玉軸受
において、支承する軸と前記複数の玉との間に、前記軸
とすきま嵌めとなる内径を有し、かつ前記子とアンギュ
ラコンタクトとする軌道面を有する内輪を配設して、該
内輪が自重落下することによって軸受すきまがなくなる
ことを特徴とする計器用玉軸受。　　−(1) The casing includes an outer ring and two side plates that sandwich the outer ring by contacting both end surfaces of the outer ring with their side surfaces, and an annular space surrounded and formed by the inner diameter surface of the outer ring and the side surfaces of the side plates. In a vertical instrument ball bearing in which a plurality of balls are arranged, the ball bearing has an inner diameter that is a loose fit between the supporting shaft and the plurality of balls, and has an angular contact with the child. 1. An instrument ball bearing, characterized in that an inner ring having a raceway surface is disposed, and a bearing clearance is eliminated by the inner ring falling under its own weight. − （２）前記内輪の軌道面が軸方向断面において曲率を有
する曲面である実用新案登録請求の範囲第１項記載の計
器用玉軸受。(2) The instrument ball bearing according to claim 1, wherein the raceway surface of the inner ring is a curved surface having curvature in the axial cross section. （３）　　前記内輪の軌道面が円錐面である実用新案登
録請求の範囲第１項記載の計器用玉軸受。(3) The instrument ball bearing according to claim 1, wherein the raceway surface of the inner ring is a conical surface.
JP15970681U 1981-10-28 1981-10-28 Instrument ball bearings Pending JPS5865519U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15970681U JPS5865519U (en) 1981-10-28 1981-10-28 Instrument ball bearings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15970681U JPS5865519U (en) 1981-10-28 1981-10-28 Instrument ball bearings

Publications (1)

Publication Number Publication Date
JPS5865519U true JPS5865519U (en) 1983-05-04

Family

ID=29952153

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15970681U Pending JPS5865519U (en) 1981-10-28 1981-10-28 Instrument ball bearings

Country Status (1)

Country Link
JP (1) JPS5865519U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012083328A (en) * 2010-09-14 2012-04-26 Seiko Instruments Inc Bearing unit for watch, movement, and portable watch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012083328A (en) * 2010-09-14 2012-04-26 Seiko Instruments Inc Bearing unit for watch, movement, and portable watch

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