JPH0747952Y2 - マンホール蓋の開閉検知装置 - Google Patents

マンホール蓋の開閉検知装置

Info

Publication number
JPH0747952Y2
JPH0747952Y2 JP13838689U JP13838689U JPH0747952Y2 JP H0747952 Y2 JPH0747952 Y2 JP H0747952Y2 JP 13838689 U JP13838689 U JP 13838689U JP 13838689 U JP13838689 U JP 13838689U JP H0747952 Y2 JPH0747952 Y2 JP H0747952Y2
Authority
JP
Japan
Prior art keywords
manhole cover
manhole
sensor
arm
open
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.)
Expired - Lifetime
Application number
JP13838689U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0377228U (enExample
Inventor
博之 長谷川
智勅 大館
Original Assignee
昭和電線電纜株式会社
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 昭和電線電纜株式会社 filed Critical 昭和電線電纜株式会社
Priority to JP13838689U priority Critical patent/JPH0747952Y2/ja
Publication of JPH0377228U publication Critical patent/JPH0377228U/ja
Application granted granted Critical
Publication of JPH0747952Y2 publication Critical patent/JPH0747952Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Laying Of Electric Cables Or Lines Outside (AREA)
JP13838689U 1989-11-29 1989-11-29 マンホール蓋の開閉検知装置 Expired - Lifetime JPH0747952Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13838689U JPH0747952Y2 (ja) 1989-11-29 1989-11-29 マンホール蓋の開閉検知装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13838689U JPH0747952Y2 (ja) 1989-11-29 1989-11-29 マンホール蓋の開閉検知装置

Publications (2)

Publication Number Publication Date
JPH0377228U JPH0377228U (enExample) 1991-08-02
JPH0747952Y2 true JPH0747952Y2 (ja) 1995-11-01

Family

ID=31685489

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13838689U Expired - Lifetime JPH0747952Y2 (ja) 1989-11-29 1989-11-29 マンホール蓋の開閉検知装置

Country Status (1)

Country Link
JP (1) JPH0747952Y2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4918442B2 (ja) * 2007-09-14 2012-04-18 株式会社ハーマン 食器洗浄機

Also Published As

Publication number Publication date
JPH0377228U (enExample) 1991-08-02

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