KR890010839U - Prefab multi-purpose ladder - Google Patents

Prefab multi-purpose ladder

Info

Publication number
KR890010839U
KR890010839U KR2019870019275U KR870019275U KR890010839U KR 890010839 U KR890010839 U KR 890010839U KR 2019870019275 U KR2019870019275 U KR 2019870019275U KR 870019275 U KR870019275 U KR 870019275U KR 890010839 U KR890010839 U KR 890010839U
Authority
KR
South Korea
Prior art keywords
purpose ladder
prefab
prefab multi
ladder
Prior art date
Application number
KR2019870019275U
Other languages
Korean (ko)
Other versions
KR900009117Y1 (en
Inventor
유희관
Original Assignee
유희관
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 유희관 filed Critical 유희관
Priority to KR2019870019275U priority Critical patent/KR900009117Y1/en
Publication of KR890010839U publication Critical patent/KR890010839U/en
Application granted granted Critical
Publication of KR900009117Y1 publication Critical patent/KR900009117Y1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/383—Foldable ladders in which the longitudinal members are brought together on folding
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/06—Securing devices or hooks for parts of extensible ladders
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/42—Ladder feet; Supports therefor
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/50—Joints or other connecting parts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
KR2019870019275U 1987-11-07 1987-11-07 Multi purpose prefabricated ladder KR900009117Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870019275U KR900009117Y1 (en) 1987-11-07 1987-11-07 Multi purpose prefabricated ladder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870019275U KR900009117Y1 (en) 1987-11-07 1987-11-07 Multi purpose prefabricated ladder

Publications (2)

Publication Number Publication Date
KR890010839U true KR890010839U (en) 1989-07-11
KR900009117Y1 KR900009117Y1 (en) 1990-09-29

Family

ID=19269262

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870019275U KR900009117Y1 (en) 1987-11-07 1987-11-07 Multi purpose prefabricated ladder

Country Status (1)

Country Link
KR (1) KR900009117Y1 (en)

Also Published As

Publication number Publication date
KR900009117Y1 (en) 1990-09-29

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19970922

Year of fee payment: 8

LAPS Lapse due to unpaid annual fee