JPH02124893U - - Google Patents

Info

Publication number
JPH02124893U
JPH02124893U JP3286789U JP3286789U JPH02124893U JP H02124893 U JPH02124893 U JP H02124893U JP 3286789 U JP3286789 U JP 3286789U JP 3286789 U JP3286789 U JP 3286789U JP H02124893 U JPH02124893 U JP H02124893U
Authority
JP
Japan
Prior art keywords
fall prevention
frame
opening
prevention frame
straight rod
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
JP3286789U
Other languages
English (en)
Other versions
JPH0738226Y2 (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 JP1989032867U priority Critical patent/JPH0738226Y2/ja
Publication of JPH02124893U publication Critical patent/JPH02124893U/ja
Application granted granted Critical
Publication of JPH0738226Y2 publication Critical patent/JPH0738226Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Description

【図面の簡単な説明】
図面は本考案の実施例を示すもので、第１図は
斜視図、第２図は断面図、第３図は平面図、第４
図は梯子の正面図、第５図は側面図、第６図は嵌
合口の断面図、第７図は支持部の断面図である。 １……蓋体、２……本体、３……枠取付部、４
……嵌合口、５……落下防止枠、６……直杆部、
７……曲杆部、８……支持部。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 蓋体１により開閉可能な本体２の開口縁に
    、内方へ向けて所要の間隔で突設された２個の枠
    取付部３と、各枠取付部３に形成された略上下方
    向の嵌合口４に取付けられる落下防止枠５と、該
    枠５の一端部付近に設けられ、前記嵌合口４に遊
    嵌したときに落下防止枠５を起立させる直杆部６
    と落下防止枠５の一端部を構成し、嵌合口４に遊
    嵌したときに落下防止枠５が開口上に横たわるよ
    うに、直杆部６に対して略直角に形成された曲杆
    部７と、開口上に横たえられた落下防止枠５の他
    端部を支えるため開口縁に設けられた支持部８と
    から成る貯水槽開口等への落下防止枠。 (2) 直杆部６の上部適所に、内側へ突出した係
    合片１３を設け、これを係合させる切欠１４を嵌
    合口４に形成した請求項第１項記載の貯水槽開口
    等への落下防止枠。 (3) 枠取付部３の上面に位置する直杆部６の側
    面に、前記上面に係止する係止突起１６を設けた
    請求項第１項又は第２項記載の貯水槽開口等への
    落下防止枠。
JP1989032867U 1989-03-23 1989-03-23 貯水槽開口等への落下防止枠 Expired - Fee Related JPH0738226Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989032867U JPH0738226Y2 (ja) 1989-03-23 1989-03-23 貯水槽開口等への落下防止枠

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989032867U JPH0738226Y2 (ja) 1989-03-23 1989-03-23 貯水槽開口等への落下防止枠

Publications (2)

Publication Number Publication Date
JPH02124893U true JPH02124893U (ja) 1990-10-15
JPH0738226Y2 JPH0738226Y2 (ja) 1995-08-30

Family

ID=31536100

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989032867U Expired - Fee Related JPH0738226Y2 (ja) 1989-03-23 1989-03-23 貯水槽開口等への落下防止枠

Country Status (1)

Country Link
JP (1) JPH0738226Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57205631A (en) * 1981-06-11 1982-12-16 Hinode Suido Kiki Kk Cover for underground structure with falling preventive mechanism
JPS633993U (ja) * 1986-06-25 1988-01-12

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57205631A (en) * 1981-06-11 1982-12-16 Hinode Suido Kiki Kk Cover for underground structure with falling preventive mechanism
JPS633993U (ja) * 1986-06-25 1988-01-12

Also Published As

Publication number Publication date
JPH0738226Y2 (ja) 1995-08-30

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees