KR880016391U - DOOR CLOSER using vacuum cylinder - Google Patents

DOOR CLOSER using vacuum cylinder

Info

Publication number
KR880016391U
KR880016391U KR2019870002187U KR870002187U KR880016391U KR 880016391 U KR880016391 U KR 880016391U KR 2019870002187 U KR2019870002187 U KR 2019870002187U KR 870002187 U KR870002187 U KR 870002187U KR 880016391 U KR880016391 U KR 880016391U
Authority
KR
South Korea
Prior art keywords
door closer
vacuum cylinder
vacuum
cylinder
closer
Prior art date
Application number
KR2019870002187U
Other languages
Korean (ko)
Other versions
KR910001528Y1 (en
Inventor
홍덕기
Original Assignee
홍덕기
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 홍덕기 filed Critical 홍덕기
Priority to KR2019870002187U priority Critical patent/KR910001528Y1/en
Publication of KR880016391U publication Critical patent/KR880016391U/en
Application granted granted Critical
Publication of KR910001528Y1 publication Critical patent/KR910001528Y1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/02—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with pneumatic piston brakes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/22—Additional arrangements for closers, e.g. for holding the wing in opened or other position
KR2019870002187U 1987-02-24 1987-02-24 Door closer KR910001528Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870002187U KR910001528Y1 (en) 1987-02-24 1987-02-24 Door closer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870002187U KR910001528Y1 (en) 1987-02-24 1987-02-24 Door closer

Publications (2)

Publication Number Publication Date
KR880016391U true KR880016391U (en) 1988-10-08
KR910001528Y1 KR910001528Y1 (en) 1991-03-07

Family

ID=19259997

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870002187U KR910001528Y1 (en) 1987-02-24 1987-02-24 Door closer

Country Status (1)

Country Link
KR (1) KR910001528Y1 (en)

Also Published As

Publication number Publication date
KR910001528Y1 (en) 1991-03-07

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee