JPH0342834U - - Google Patents

Info

Publication number
JPH0342834U
JPH0342834U JP10358789U JP10358789U JPH0342834U JP H0342834 U JPH0342834 U JP H0342834U JP 10358789 U JP10358789 U JP 10358789U JP 10358789 U JP10358789 U JP 10358789U JP H0342834 U JPH0342834 U JP H0342834U
Authority
JP
Japan
Prior art keywords
shaft
flange
manhole
vertical rods
supported
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
JP10358789U
Other languages
English (en)
Japanese (ja)
Other versions
JPH086113Y2 (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 JP1989103587U priority Critical patent/JPH086113Y2/ja
Publication of JPH0342834U publication Critical patent/JPH0342834U/ja
Application granted granted Critical
Publication of JPH086113Y2 publication Critical patent/JPH086113Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Ladders (AREA)
JP1989103587U 1989-09-04 1989-09-04 マンホール用補助梯子 Expired - Lifetime JPH086113Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989103587U JPH086113Y2 (ja) 1989-09-04 1989-09-04 マンホール用補助梯子

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989103587U JPH086113Y2 (ja) 1989-09-04 1989-09-04 マンホール用補助梯子

Publications (2)

Publication Number Publication Date
JPH0342834U true JPH0342834U (US07122547-20061017-C00032.png) 1991-04-23
JPH086113Y2 JPH086113Y2 (ja) 1996-02-21

Family

ID=31652415

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989103587U Expired - Lifetime JPH086113Y2 (ja) 1989-09-04 1989-09-04 マンホール用補助梯子

Country Status (1)

Country Link
JP (1) JPH086113Y2 (US07122547-20061017-C00032.png)

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
JPS58185636U (ja) * 1982-05-31 1983-12-09 長島鋳物株式会社 補助梯子付マンホ−ル

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
JPS58185636U (ja) * 1982-05-31 1983-12-09 長島鋳物株式会社 補助梯子付マンホ−ル

Also Published As

Publication number Publication date
JPH086113Y2 (ja) 1996-02-21

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