JPS60121525U - rotating magnetic head drum - Google Patents

rotating magnetic head drum

Info

Publication number
JPS60121525U
JPS60121525U JP761884U JP761884U JPS60121525U JP S60121525 U JPS60121525 U JP S60121525U JP 761884 U JP761884 U JP 761884U JP 761884 U JP761884 U JP 761884U JP S60121525 U JPS60121525 U JP S60121525U
Authority
JP
Japan
Prior art keywords
magnetic head
head drum
rotating magnetic
end surface
flat washer
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
JP761884U
Other languages
Japanese (ja)
Other versions
JPH0134736Y2 (en
Inventor
晋二 岡田
伊部　誠
森山　安治
Original Assignee
株式会社日立製作所
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 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP761884U priority Critical patent/JPS60121525U/en
Publication of JPS60121525U publication Critical patent/JPS60121525U/en
Application granted granted Critical
Publication of JPH0134736Y2 publication Critical patent/JPH0134736Y2/ja
Granted legal-status Critical Current

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  • Support Of The Bearing (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 drawings]

第１図は従来例を示す回転磁気ヘッドドラムの縦断面図
、第２図は従来例の定圧予圧構造の縦断面図、第３図は
従来例の波ワッシ斜視図、第４図は本考案の一実施例縦
断面図、第５図は本考案の一実施例のヨーク支持具断面
図、第６図は本考案に用いられるサラワッシャの断面図
である。 ２ａ、２ｂ・・・・・・磁気ヘッド、３・・・・・・回
転軸、５ａ、５ｂ・・・・・・玉軸受、８・・間ヨーク
支持具、１２・・・・・・予圧金具、１３・・・・・・
波ワツシヤ、１４・曲・ヨーク支持具、１５・・・・・
・サラワッシャ、１６・・−−−−平ワツシヤ、１７・
・・・・・突出部。Fig. 1 is a longitudinal sectional view of a conventional rotating magnetic head drum, Fig. 2 is a longitudinal sectional view of a conventional constant pressure preload structure, Fig. 3 is a perspective view of a conventional corrugated washer, and Fig. 4 is the present invention. FIG. 5 is a sectional view of a yoke support according to an embodiment of the present invention, and FIG. 6 is a sectional view of a flat washer used in the present invention. 2a, 2b...Magnetic head, 3...Rotating shaft, 5a, 5b...Ball bearing, 8...Yoke support, 12...Preload Metal fittings, 13...
Wave washers, 14, curves, yoke support, 15...
・Sara washer, 16・---- Flat washer, 17・
...protrusion.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 単数又は複数の磁気ヘッドを搭載し、２コの玉軸受を装
着し、該玉軸受の内輪にスラスト予圧を荷重して成る回
転磁気ヘッドドラムにおいて、一方の玉軸受の内輪にサ
ラワッシャの中の部分が接・　　触し、該サラワッシャ
の一方の端面は、片端面部の内径に近いところに突出部
を持った金具の該片端面に接する構造で、該サラワッシ
ャの全厚をｈ□、板厚ｔ１該金具の突出部高さをり。と
じたとき、ｈｏ＞０．２ｍｍ＊　ｈｘ　　ｔ＞ｈｏなる
関係を持ち、定圧予圧構造となることを特徴とする回転
磁気ヘッドドラム。In a rotating magnetic head drum that is equipped with one or more magnetic heads, two ball bearings, and a thrust preload applied to the inner ring of the ball bearing, the inner ring of one of the ball bearings is provided with a portion inside the flat washer. The one end surface of the flat washer is in contact with the one end surface of a metal fitting having a protrusion near the inner diameter of the one end surface, and the total thickness of the flat washer is h□, the plate thickness t1 Measure the height of the protruding part of the metal fittings. A rotating magnetic head drum characterized by having a constant pressure preload structure with the following relationship: ho>0.2 mm* hx t>ho when closed.
JP761884U 1984-01-25 1984-01-25 rotating magnetic head drum Granted JPS60121525U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP761884U JPS60121525U (en) 1984-01-25 1984-01-25 rotating magnetic head drum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP761884U JPS60121525U (en) 1984-01-25 1984-01-25 rotating magnetic head drum

Publications (2)

Publication Number Publication Date
JPS60121525U true JPS60121525U (en) 1985-08-16
JPH0134736Y2 JPH0134736Y2 (en) 1989-10-23

Family

ID=30486134

Family Applications (1)

Application Number Title Priority Date Filing Date
JP761884U Granted JPS60121525U (en) 1984-01-25 1984-01-25 rotating magnetic head drum

Country Status (1)

Country Link
JP (1) JPS60121525U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6437361U (en) * 1987-08-31 1989-03-07
JPH0246921U (en) * 1988-09-28 1990-03-30

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6437361U (en) * 1987-08-31 1989-03-07
JPH0246921U (en) * 1988-09-28 1990-03-30

Also Published As

Publication number Publication date
JPH0134736Y2 (en) 1989-10-23

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