FR712848A - Automatic opening and closing of elevator doors - Google Patents

Automatic opening and closing of elevator doors

Info

Publication number
FR712848A
FR712848A FR712848DA FR712848A FR 712848 A FR712848 A FR 712848A FR 712848D A FR712848D A FR 712848DA FR 712848 A FR712848 A FR 712848A
Authority
FR
France
Prior art keywords
closing
automatic opening
elevator doors
elevator
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
Charles-Jean-Desire Bosse
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 filed Critical
Application granted granted Critical
Publication of FR712848A publication Critical patent/FR712848A/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
    • B66B13/08—Door or gate operation of sliding doors guided for horizontal movement
FR712848D 1931-02-25 1931-02-25 Automatic opening and closing of elevator doors Expired FR712848A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR712848T 1931-02-25

Publications (1)

Publication Number Publication Date
FR712848A true FR712848A (en) 1931-10-13

Family

ID=9081403

Family Applications (1)

Application Number Title Priority Date Filing Date
FR712848D Expired FR712848A (en) 1931-02-25 1931-02-25 Automatic opening and closing of elevator doors

Country Status (1)

Country Link
FR (1) FR712848A (en)

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