FR804700A - Automatic device for opening and closing doors with heavy and rapid traffic - Google Patents

Automatic device for opening and closing doors with heavy and rapid traffic

Info

Publication number
FR804700A
FR804700A FR804700DA FR804700A FR 804700 A FR804700 A FR 804700A FR 804700D A FR804700D A FR 804700DA FR 804700 A FR804700 A FR 804700A
Authority
FR
France
Prior art keywords
heavy
opening
automatic device
closing doors
rapid traffic
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)
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.)
Tubest SA
Original Assignee
Tubest SA
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 Tubest SA filed Critical Tubest SA
Application granted granted Critical
Publication of FR804700A publication Critical patent/FR804700A/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
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
    • E05F15/53—Power-operated mechanisms for wings using fluid-pressure actuators for swinging wings
FR804700D 1935-07-25 1935-07-25 Automatic device for opening and closing doors with heavy and rapid traffic Expired FR804700A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR804700T 1935-07-25

Publications (1)

Publication Number Publication Date
FR804700A true FR804700A (en) 1936-10-29

Family

ID=9250889

Family Applications (1)

Application Number Title Priority Date Filing Date
FR804700D Expired FR804700A (en) 1935-07-25 1935-07-25 Automatic device for opening and closing doors with heavy and rapid traffic

Country Status (1)

Country Link
FR (1) FR804700A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE944296C (en) * 1952-07-20 1956-06-14 Haushahn Maschinenfabrik C Door leaf drive with electrical control
DE1143110B (en) * 1952-09-29 1963-01-31 Haegglund & Soener Ab Device for the automatic opening and closing of vehicle doors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE944296C (en) * 1952-07-20 1956-06-14 Haushahn Maschinenfabrik C Door leaf drive with electrical control
DE1143110B (en) * 1952-09-29 1963-01-31 Haegglund & Soener Ab Device for the automatic opening and closing of vehicle doors

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