FR357003A - Automatic door closing device - Google Patents

Automatic door closing device

Info

Publication number
FR357003A
FR357003A FR357003DA FR357003A FR 357003 A FR357003 A FR 357003A FR 357003D A FR357003D A FR 357003DA FR 357003 A FR357003 A FR 357003A
Authority
FR
France
Prior art keywords
closing device
automatic door
door closing
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
Otto Kellermann
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 FR357003A publication Critical patent/FR357003A/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
    • E05F3/06—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 perpendicular to the axis of the piston
FR357003D 1905-08-17 1905-08-17 Automatic door closing device Expired FR357003A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR357003T 1905-08-17

Publications (1)

Publication Number Publication Date
FR357003A true FR357003A (en) 1905-12-15

Family

ID=1404929

Family Applications (1)

Application Number Title Priority Date Filing Date
FR357003D Expired FR357003A (en) 1905-08-17 1905-08-17 Automatic door closing device

Country Status (1)

Country Link
FR (1) FR357003A (en)

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