JPH042374U - - Google Patents

Info

Publication number
JPH042374U
JPH042374U JP1990042368U JP4236890U JPH042374U JP H042374 U JPH042374 U JP H042374U JP 1990042368 U JP1990042368 U JP 1990042368U JP 4236890 U JP4236890 U JP 4236890U JP H042374 U JPH042374 U JP H042374U
Authority
JP
Japan
Prior art keywords
disk
metal plate
center hole
center
ring
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
JP1990042368U
Other languages
Japanese (ja)
Other versions
JP2520595Y2 (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 JP1990042368U priority Critical patent/JP2520595Y2/en
Publication of JPH042374U publication Critical patent/JPH042374U/ja
Application granted granted Critical
Publication of JP2520595Y2 publication Critical patent/JP2520595Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)

Description

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

第１図は本考案に係るデイスクのデイスクハブ
部分を拡大して示す断面図であり、第２図は上記
デイスクハブを構成する金属プレートに穿設され
るセンター孔部分を拡大して示す断面図であり、
第３図は上記金属プレートに穿設されたセンター
孔にデイスクテーブル側のスピンドル軸が係合す
る状態を示す断面図であり、第４図は上記光デイ
スクをデイスクテーブルにチヤツキングした状態
を示す断面図である。第５図は従来の光デイスク
を示す断面図であり、第６図は上記光デイスクを
デイスクテーブルにチヤツキングする状態を示す
断面図である。 ２０…光デイスク、２１…デイスク基板、２３
…デイスクハブ、２４…リング状部材、２５…セ
ンター孔、２５ａ…センター孔の内壁面、２６…
金属プレート、２６ａ…金属プレートの表面、２
７…スピンドル軸導入部。 FIG. 1 is an enlarged sectional view of a disk hub portion of a disk according to the present invention, and FIG. 2 is an enlarged sectional view of a center hole formed in a metal plate constituting the disk hub. and
FIG. 3 is a cross-sectional view showing the state in which the spindle shaft on the disk table side is engaged with the center hole bored in the metal plate, and FIG. 4 is a cross-sectional view showing the state in which the optical disk is chucked to the disk table. It is a diagram. FIG. 5 is a cross-sectional view showing a conventional optical disk, and FIG. 6 is a cross-sectional view showing the optical disk being chucked onto a disk table. 20... Optical disk, 21... Disk substrate, 23
...Disk hub, 24...Ring-shaped member, 25...Center hole, 25a...Inner wall surface of center hole, 26...
Metal plate, 26a...Surface of metal plate, 2
7...Spindle shaft introduction part.

Claims (1)

【実用新案登録請求の範囲】 合成樹脂からなるリング状部材とこのリング状
部材に設けられるセンター孔が形成されてなる金
属プレートとからなるデイスクハブが上記センタ
ー孔の中心をデイスクのトラツク中心に一致する
ようにしてデイスク基板に取付けられた光デイス
クにおいて、 上記金属プレートの表面と上記センター孔の内
壁面とを上記金属プレートの表面から上記内壁面
にいくにしたがつて漸次傾斜が大きくなるような
曲面で連続させてなる光デイスク。[Claims for Utility Model Registration] A disk hub consisting of a ring-shaped member made of synthetic resin and a metal plate with a center hole formed in the ring-shaped member, with the center of the center hole aligned with the track center of the disk. In the optical disk mounted on the disk substrate in this manner, the surface of the metal plate and the inner wall surface of the center hole are arranged such that the slope gradually increases from the surface of the metal plate toward the inner wall surface. An optical disk made of a continuous curved surface.
JP1990042368U 1990-04-20 1990-04-20 optical disk Expired - Fee Related JP2520595Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990042368U JP2520595Y2 (en) 1990-04-20 1990-04-20 optical disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990042368U JP2520595Y2 (en) 1990-04-20 1990-04-20 optical disk

Publications (2)

Publication Number Publication Date
JPH042374U true JPH042374U (en) 1992-01-09
JP2520595Y2 JP2520595Y2 (en) 1996-12-18

Family

ID=31553855

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990042368U Expired - Fee Related JP2520595Y2 (en) 1990-04-20 1990-04-20 optical disk

Country Status (1)

Country Link
JP (1) JP2520595Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993003482A1 (en) * 1991-08-02 1993-02-18 Mitsui Petrochemical Industries, Ltd. Hub for optical recording medium and optical recording medium

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61200310A (en) * 1985-03-01 1986-09-04 Fuji Electric Co Ltd Temperature adjusting method of flange and clamping bolt for steam turbine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61200310A (en) * 1985-03-01 1986-09-04 Fuji Electric Co Ltd Temperature adjusting method of flange and clamping bolt for steam turbine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993003482A1 (en) * 1991-08-02 1993-02-18 Mitsui Petrochemical Industries, Ltd. Hub for optical recording medium and optical recording medium

Also Published As

Publication number Publication date
JP2520595Y2 (en) 1996-12-18

Similar Documents

Publication Publication Date Title
JPS636569U (en)
JPS63168653U (en)
JPS63109374U (en)
JPS6415369U (en)
JPH0398767U (en)
JPS62120476U (en)
JPH0458870U (en)
JPS6416270U (en)
JPH0345270U (en)
JPS6099101U (en) spoke wheel
JPS6423773U (en)
JPS6365180U (en)
JPS6222729U (en)
JPS6424572U (en)
JPS583828U (en) turntable
JPH0175373U (en)
JPS61174050U (en)
JPH01106301U (en)
JPH0426411U (en)
JPS62124652U (en)
JPS63147301U (en)
JPH02127670U (en)
JPS63112103U (en)
JPH0439901U (en)
JPS6332361U (en)

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees