JPH042342U - - Google Patents

Info

Publication number
JPH042342U
JPH042342U JP4198090U JP4198090U JPH042342U JP H042342 U JPH042342 U JP H042342U JP 4198090 U JP4198090 U JP 4198090U JP 4198090 U JP4198090 U JP 4198090U JP H042342 U JPH042342 U JP H042342U
Authority
JP
Japan
Prior art keywords
cylinder
rotating
inertia ring
rotary head
mounting plate
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
JP4198090U
Other languages
Japanese (ja)
Other versions
JP2583393Y2 (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 JP1990041980U priority Critical patent/JP2583393Y2/en
Publication of JPH042342U publication Critical patent/JPH042342U/ja
Application granted granted Critical
Publication of JP2583393Y2 publication Critical patent/JP2583393Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

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

第１図は、この考案に係る回転ヘツドシリンダ
ーの一実施例を示す斜視図、第２図は、同回転ヘ
ツドシリンダーの縦断面図、第３図は、他実施例
を示す回転ヘツドシリンダーの上面斜視図、第４
図は、さらに他の実施例を示す上面斜視図、第５
図は、従来例の断面図である。 １……固定シリンダー、２……回転シリンダー
、２ａ……上部外周縁、３……回転軸、４……ビ
デオヘツド、９……ダイナミツクダンパー、１１
……取付板、１２……防振ゴム、１３……慣性リ
ング、１３ａ……傾斜面、１３ｂ……リング内周
縁、１３ｃ……リング外周縁、１４……テープ、
１５……突条、１６……羽根。 FIG. 1 is a perspective view showing one embodiment of a rotary head cylinder according to this invention, FIG. 2 is a longitudinal sectional view of the same rotary head cylinder, and FIG. 3 is a top view of a rotary head cylinder showing another embodiment. Perspective view, 4th
The figure is a top perspective view showing still another embodiment.
The figure is a sectional view of a conventional example. DESCRIPTION OF SYMBOLS 1... Fixed cylinder, 2... Rotating cylinder, 2a... Upper outer periphery, 3... Rotating shaft, 4... Video head, 9... Dynamic damper, 11
... Mounting plate, 12 ... Vibration isolating rubber, 13 ... Inertia ring, 13a ... Inclined surface, 13b ... Ring inner circumference, 13c ... Ring outer circumference, 14 ... Tape,
15... Protrusion, 16... Feather.

Claims (1)

【実用新案登録請求の範囲】 (1) 固定シリンダーと、この固定シリンダー上
に回転軸を介して回転自在に支持された回転シリ
ンダーとからなり、回転シリンダーの下面側にビ
デオヘツドを配し、上面側にダイナミツクダンパ
ーを配してなる回転ヘツドシリンダーにおいて、
ダイナミツクダンパーが、回転シリンダーの上面
に固定される取付板と、この取付板の外周縁に防
振ゴムを介して取付けた慣性リングとからなり、
慣性リングの上面を回転シリンダーの上部外周縁
を覆う傾斜面としたことを特徴とする回転ヘツド
シリンダー。 (2) 慣性リングの傾斜面に、リング内周縁から
外周縁に向つて延びる突条を少なくとも１本設け
てなる請求項１記載の回転ヘツドシリンダー。 (3) 取付板上面に、回転ヘツドの回転に伴い半
径方向外側に風を送る羽根を設けてなる請求項１
または２記載の回転ヘツドシリンダー。[Claims for Utility Model Registration] (1) Consisting of a fixed cylinder and a rotating cylinder rotatably supported on the fixed cylinder via a rotating shaft, a video head is arranged on the lower side of the rotating cylinder, and a video head is arranged on the upper side of the rotating cylinder. In a rotating head cylinder with a dynamic damper on the side,
The dynamic damper consists of a mounting plate fixed to the top surface of the rotating cylinder and an inertia ring attached to the outer periphery of this mounting plate via vibration-proof rubber.
A rotary head cylinder characterized in that the upper surface of the inertia ring is an inclined surface that covers the upper outer peripheral edge of the rotary cylinder. (2) The rotary head cylinder according to claim 1, wherein the inertia ring has at least one protrusion extending from the inner circumferential edge toward the outer circumferential edge on the inclined surface of the inertia ring. (3) Claim 1, wherein a blade is provided on the top surface of the mounting plate to send air radially outward as the rotary head rotates.
Or the rotary head cylinder described in 2.
JP1990041980U 1990-04-19 1990-04-19 Rotating head cylinder Expired - Lifetime JP2583393Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990041980U JP2583393Y2 (en) 1990-04-19 1990-04-19 Rotating head cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990041980U JP2583393Y2 (en) 1990-04-19 1990-04-19 Rotating head cylinder

Publications (2)

Publication Number Publication Date
JPH042342U true JPH042342U (en) 1992-01-09
JP2583393Y2 JP2583393Y2 (en) 1998-10-22

Family

ID=31553119

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990041980U Expired - Lifetime JP2583393Y2 (en) 1990-04-19 1990-04-19 Rotating head cylinder

Country Status (1)

Country Link
JP (1) JP2583393Y2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5552655U (en) * 1978-10-03 1980-04-08
JPS5986058U (en) * 1982-11-29 1984-06-11 日本電気ホームエレクトロニクス株式会社 Drum assembly of magnetic recording/playback device
JPH01251460A (en) * 1988-03-31 1989-10-06 Toshiba Corp Magnetic recording and reproducing device
JPH01181115U (en) * 1988-06-15 1989-12-27

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5552655U (en) * 1978-10-03 1980-04-08
JPS5986058U (en) * 1982-11-29 1984-06-11 日本電気ホームエレクトロニクス株式会社 Drum assembly of magnetic recording/playback device
JPH01251460A (en) * 1988-03-31 1989-10-06 Toshiba Corp Magnetic recording and reproducing device
JPH01181115U (en) * 1988-06-15 1989-12-27

Also Published As

Publication number Publication date
JP2583393Y2 (en) 1998-10-22

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EXPY Cancellation because of completion of term