FR474108A - Door control device - Google Patents

Door control device

Info

Publication number
FR474108A
FR474108A FR474108A FR474108DA FR474108A FR 474108 A FR474108 A FR 474108A FR 474108 A FR474108 A FR 474108A FR 474108D A FR474108D A FR 474108DA FR 474108 A FR474108 A FR 474108A
Authority
FR
France
Prior art keywords
control device
door control
door
control
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
FR474108A
Other languages
French (fr)
Inventor
Paul Carl Brenner
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 FR474108A publication Critical patent/FR474108A/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
    • E05F13/00—Mechanisms operated by the movement or weight of a person or vehicle
    • E05F13/04—Mechanisms operated by the movement or weight of a person or vehicle by platforms lowered by the weight of the user
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
FR474108A 1913-06-25 1914-06-25 Door control device Expired FR474108A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US474108XA 1913-06-25 1913-06-25

Publications (1)

Publication Number Publication Date
FR474108A true FR474108A (en) 1915-02-09

Family

ID=21948811

Family Applications (1)

Application Number Title Priority Date Filing Date
FR474108A Expired FR474108A (en) 1913-06-25 1914-06-25 Door control device

Country Status (2)

Country Link
FR (1) FR474108A (en)
GB (1) GB474108A (en)

Also Published As

Publication number Publication date
GB474108A (en) 1937-10-26

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