JPS6078794U - Manhole cover locking device - Google Patents

Manhole cover locking device

Info

Publication number
JPS6078794U
JPS6078794U JP17176383U JP17176383U JPS6078794U JP S6078794 U JPS6078794 U JP S6078794U JP 17176383 U JP17176383 U JP 17176383U JP 17176383 U JP17176383 U JP 17176383U JP S6078794 U JPS6078794 U JP S6078794U
Authority
JP
Japan
Prior art keywords
locking device
manhole cover
manhole
lock plate
cover
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
JP17176383U
Other languages
Japanese (ja)
Other versions
JPH018553Y2 (en
Inventor
酒井　初雄
Original Assignee
明邦工業株式会社
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 明邦工業株式会社 filed Critical 明邦工業株式会社
Priority to JP17176383U priority Critical patent/JPS6078794U/en
Publication of JPS6078794U publication Critical patent/JPS6078794U/en
Application granted granted Critical
Publication of JPH018553Y2 publication Critical patent/JPH018553Y2/ja
Granted legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は一部断面側面図、第２図は第１図のＡ方向平面
図、第３図は部分図で第２図のＣ方向斜視図、第４図は
第１図Ｂ−Ｂ断面図、第５図はロック板の斜視図を示す
。 １・・・カバ一体、２・・・マンホール枠、１７・・・
ロック板、２０・・・バヨネット突起。Fig. 1 is a partially sectional side view, Fig. 2 is a plan view in the A direction of Fig. 1, Fig. 3 is a partial view and a perspective view in the C direction of Fig. 2, and Fig. 4 is a cross section taken along the line B-B in Fig. 1. FIG. 5 shows a perspective view of the lock plate. 1...cover, 2...manhole frame, 17...
Lock plate, 20... bayonet protrusion.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 合成樹脂製の円形カバ一体の裏面を、少くともリング状
の枠体を有するマンホール枠に覆蓋し、該カバ一体の表
面、または、マンホール枠の内周面のいずれか一方に可
撓性ロック板を突設するとともに、他方に該ロック板が
当接・摺動する部分が回動により密着するようなテーパ
に形成されたバヨネット突起を突設したことを特徴きす
るマンホールカバーのロック装置。The back side of an integral circular cover made of synthetic resin is covered with a manhole frame having at least a ring-shaped frame body, and a flexible lock plate is attached to either the surface of the integral cover or the inner peripheral surface of the manhole frame. A locking device for a manhole cover, characterized in that a tapered bayonet protrusion is provided on the other side of the manhole cover so that the part on which the lock plate abuts and slides comes into close contact with the lock plate through rotation.
JP17176383U 1983-11-04 1983-11-04 Manhole cover locking device Granted JPS6078794U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17176383U JPS6078794U (en) 1983-11-04 1983-11-04 Manhole cover locking device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17176383U JPS6078794U (en) 1983-11-04 1983-11-04 Manhole cover locking device

Publications (2)

Publication Number Publication Date
JPS6078794U true JPS6078794U (en) 1985-06-01
JPH018553Y2 JPH018553Y2 (en) 1989-03-07

Family

ID=30374599

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17176383U Granted JPS6078794U (en) 1983-11-04 1983-11-04 Manhole cover locking device

Country Status (1)

Country Link
JP (1) JPS6078794U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011173639A (en) * 2010-02-25 2011-09-08 Takiron Co Ltd Opening lid fitting structure
JP4796071B2 (en) * 2004-11-11 2011-10-19 オブリスト・クロージャーズ・スイッツランド・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング Self-draining closure

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4411349Y1 (en) * 1965-09-02 1969-05-10

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4411349Y1 (en) * 1965-09-02 1969-05-10

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4796071B2 (en) * 2004-11-11 2011-10-19 オブリスト・クロージャーズ・スイッツランド・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング Self-draining closure
JP2011173639A (en) * 2010-02-25 2011-09-08 Takiron Co Ltd Opening lid fitting structure

Also Published As

Publication number Publication date
JPH018553Y2 (en) 1989-03-07

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