JPS6428668U - - Google Patents

Info

Publication number
JPS6428668U
JPS6428668U JP12294287U JP12294287U JPS6428668U JP S6428668 U JPS6428668 U JP S6428668U JP 12294287 U JP12294287 U JP 12294287U JP 12294287 U JP12294287 U JP 12294287U JP S6428668 U JPS6428668 U JP S6428668U
Authority
JP
Japan
Prior art keywords
rope
permanent magnet
tip
attached
reed switch
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
JP12294287U
Other languages
English (en)
Other versions
JPH0247969Y2 (ja
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 JP1987122942U priority Critical patent/JPH0247969Y2/ja
Publication of JPS6428668U publication Critical patent/JPS6428668U/ja
Application granted granted Critical
Publication of JPH0247969Y2 publication Critical patent/JPH0247969Y2/ja
Expired legal-status Critical Current

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  • Measurement Of Distances Traversed On The Ground (AREA)

Description

【図面の簡単な説明】
第1図はこの考案に係る跳び縄の全体斜視図、
第2図は同上のグリツプ部分の一部切欠き正面図
、第3図は同上のグリツプ部分の部分拡大図、第
4図はカウンターの縦断側面図、第5図は第4図
の―線の断面図である。 1……縄、2……グリツプ、3……カウンター
、9……永久磁石、12……リードスイツチ、1
3……永久磁石、14……振り子。

Claims (1)

    【実用新案登録請求の範囲】
  1. 筒状のグリツプ内に縄の端部を挿入して回転自
    在に支持し、上記グリツプに一端面が縄の端面と
    対面するカウンター本体を着脱自在に取付け、こ
    のカウンター本体に、縄の端面と対面するリード
    スイツチと、このリードスイツチに磁界変化を与
    える永久磁石を先端に取付けた揺動自在の振り子
    と、リードスイツチの開閉信号を計数して表示す
    る表示器とをそれぞれ設け、上記縄の端面に永久
    磁石を取付け、上記カウンター本体をグリツプに
    取付けた状態において縄の先端の永久磁石の磁界
    変化によつてリードスイツチが開閉するように縄
    の先端の永久磁石と振り子の永久磁石との磁気バ
    ランスを調整したことを特徴とする跳び縄。
JP1987122942U 1987-08-10 1987-08-10 Expired JPH0247969Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987122942U JPH0247969Y2 (ja) 1987-08-10 1987-08-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987122942U JPH0247969Y2 (ja) 1987-08-10 1987-08-10

Publications (2)

Publication Number Publication Date
JPS6428668U true JPS6428668U (ja) 1989-02-20
JPH0247969Y2 JPH0247969Y2 (ja) 1990-12-17

Family

ID=31371341

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987122942U Expired JPH0247969Y2 (ja) 1987-08-10 1987-08-10

Country Status (1)

Country Link
JP (1) JPH0247969Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5674782A (en) * 1979-11-20 1981-06-20 Seiko Instr & Electronics Ltd Point-rating/measuring device for quantity of motion of rope skipping
JPS58183180A (ja) * 1982-04-20 1983-10-26 シャープ株式会社 なわとび用カウンタ装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5674782A (en) * 1979-11-20 1981-06-20 Seiko Instr & Electronics Ltd Point-rating/measuring device for quantity of motion of rope skipping
JPS58183180A (ja) * 1982-04-20 1983-10-26 シャープ株式会社 なわとび用カウンタ装置

Also Published As

Publication number Publication date
JPH0247969Y2 (ja) 1990-12-17

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