JPH01133898U - - Google Patents

Info

Publication number
JPH01133898U
JPH01133898U JP2982688U JP2982688U JPH01133898U JP H01133898 U JPH01133898 U JP H01133898U JP 2982688 U JP2982688 U JP 2982688U JP 2982688 U JP2982688 U JP 2982688U JP H01133898 U JPH01133898 U JP H01133898U
Authority
JP
Japan
Prior art keywords
lower margin
coil
metal bobbin
punched
bobbin material
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
JP2982688U
Other languages
English (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 JP2982688U priority Critical patent/JPH01133898U/ja
Publication of JPH01133898U publication Critical patent/JPH01133898U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Description

【図面の簡単な説明】
第1図は従来のコイル脱落防止を計つたボイス
コイルの斜視図を示す。第2図は本考案による金
属ボビン材の平面図を示す。第3図は本考案によ
るコイル脱落防止を計つたボイスコイルの斜視図
を示す。 1……金属ボビン材、2……打抜き窓孔、3…
…窓孔連結部分、4……櫛の刃状、5……コイル
、6……リード線、7……補強紙。

Claims (1)

    【実用新案登録請求の範囲】
  1. 下余白部分に多数の打抜き窓孔を設けた金属ボ
    ビン材を用いて、捲線をした後、金属ボビン材の
    下余白部分の打抜き窓孔連結部分を取り除き、櫛
    の刃状にして、櫛の刃状部分を外側に折り曲げ、
    コイルの脱落防止を計ることを特徴とするボイス
    コイル。
JP2982688U 1988-03-08 1988-03-08 Pending JPH01133898U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2982688U JPH01133898U (ja) 1988-03-08 1988-03-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2982688U JPH01133898U (ja) 1988-03-08 1988-03-08

Publications (1)

Publication Number Publication Date
JPH01133898U true JPH01133898U (ja) 1989-09-12

Family

ID=31254374

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2982688U Pending JPH01133898U (ja) 1988-03-08 1988-03-08

Country Status (1)

Country Link
JP (1) JPH01133898U (ja)

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