FR377016A - Device for automatic opening and closing of elevator shaft doors - Google Patents

Device for automatic opening and closing of elevator shaft doors

Info

Publication number
FR377016A
FR377016A FR377016DA FR377016A FR 377016 A FR377016 A FR 377016A FR 377016D A FR377016D A FR 377016DA FR 377016 A FR377016 A FR 377016A
Authority
FR
France
Prior art keywords
closing
elevator shaft
automatic opening
shaft doors
doors
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
Arthur Albert Walters
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 FR377016A publication Critical patent/FR377016A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/06—Door or gate operation of sliding doors
FR377016D 1907-04-20 1907-04-20 Device for automatic opening and closing of elevator shaft doors Expired FR377016A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR377016T 1907-04-20

Publications (1)

Publication Number Publication Date
FR377016A true FR377016A (en) 1907-08-27

Family

ID=1423474

Family Applications (1)

Application Number Title Priority Date Filing Date
FR377016D Expired FR377016A (en) 1907-04-20 1907-04-20 Device for automatic opening and closing of elevator shaft doors

Country Status (1)

Country Link
FR (1) FR377016A (en)

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