FR483767A - Automatic door closer - Google Patents

Automatic door closer

Info

Publication number
FR483767A
FR483767A FR483767DA FR483767A FR 483767 A FR483767 A FR 483767A FR 483767D A FR483767D A FR 483767DA FR 483767 A FR483767 A FR 483767A
Authority
FR
France
Prior art keywords
automatic door
door closer
closer
automatic
door
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Helge Linus Claesson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR483767A publication Critical patent/FR483767A/en
Expired legal-status Critical Current

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
    • E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
    • E05F3/08—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes in which a torsion spring rotates a member around an axis arranged in the direction of the axis of the piston
FR483767D 1916-12-11 1916-12-11 Automatic door closer Expired FR483767A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR483767T 1916-12-11

Publications (1)

Publication Number Publication Date
FR483767A true FR483767A (en) 1917-08-08

Family

ID=1520633

Family Applications (1)

Application Number Title Priority Date Filing Date
FR483767D Expired FR483767A (en) 1916-12-11 1916-12-11 Automatic door closer

Country Status (1)

Country Link
FR (1) FR483767A (en)

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