KR860008002U - 절첩식 사다리용 경첩 - Google Patents

절첩식 사다리용 경첩

Info

Publication number
KR860008002U
KR860008002U KR2019840013060U KR840013060U KR860008002U KR 860008002 U KR860008002 U KR 860008002U KR 2019840013060 U KR2019840013060 U KR 2019840013060U KR 840013060 U KR840013060 U KR 840013060U KR 860008002 U KR860008002 U KR 860008002U
Authority
KR
South Korea
Prior art keywords
hinges
folding ladders
ladders
folding
Prior art date
Application number
KR2019840013060U
Other languages
English (en)
Other versions
KR880001234Y1 (ko
Inventor
장문수
Original Assignee
장문수
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 장문수 filed Critical 장문수
Priority to KR2019840013060U priority Critical patent/KR880001234Y1/ko
Publication of KR860008002U publication Critical patent/KR860008002U/ko
Application granted granted Critical
Publication of KR880001234Y1 publication Critical patent/KR880001234Y1/ko

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
    • E06C7/50—Joints or other connecting parts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
KR2019840013060U 1984-12-11 1984-12-11 절첩식 사다리용 경첩 KR880001234Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019840013060U KR880001234Y1 (ko) 1984-12-11 1984-12-11 절첩식 사다리용 경첩

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019840013060U KR880001234Y1 (ko) 1984-12-11 1984-12-11 절첩식 사다리용 경첩

Publications (2)

Publication Number Publication Date
KR860008002U true KR860008002U (ko) 1986-07-21
KR880001234Y1 KR880001234Y1 (ko) 1988-04-02

Family

ID=19238620

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019840013060U KR880001234Y1 (ko) 1984-12-11 1984-12-11 절첩식 사다리용 경첩

Country Status (1)

Country Link
KR (1) KR880001234Y1 (ko)

Also Published As

Publication number Publication date
KR880001234Y1 (ko) 1988-04-02

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee