FR656349A - Improvements to automatic door closing devices - Google Patents

Improvements to automatic door closing devices

Info

Publication number
FR656349A
FR656349A FR656349DA FR656349A FR 656349 A FR656349 A FR 656349A FR 656349D A FR656349D A FR 656349DA FR 656349 A FR656349 A FR 656349A
Authority
FR
France
Prior art keywords
automatic door
door closing
closing devices
devices
automatic
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.)
CHEMIN DE FER ELECTR SOUTERRAI
Original Assignee
CHEMIN DE FER ELECTR SOUTERRAI
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 CHEMIN DE FER ELECTR SOUTERRAI filed Critical CHEMIN DE FER ELECTR SOUTERRAI
Application granted granted Critical
Publication of FR656349A publication Critical patent/FR656349A/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
FR656349D 1927-11-05 1927-11-05 Improvements to automatic door closing devices Expired FR656349A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR656349T 1927-11-05

Publications (1)

Publication Number Publication Date
FR656349A true FR656349A (en) 1929-05-06

Family

ID=9007696

Family Applications (1)

Application Number Title Priority Date Filing Date
FR656349D Expired FR656349A (en) 1927-11-05 1927-11-05 Improvements to automatic door closing devices

Country Status (1)

Country Link
FR (1) FR656349A (en)

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