FR708935A - Appareil d'ouverture de porte automatique - Google Patents

Appareil d'ouverture de porte automatique

Info

Publication number
FR708935A
FR708935A FR708935DA FR708935A FR 708935 A FR708935 A FR 708935A FR 708935D A FR708935D A FR 708935DA FR 708935 A FR708935 A FR 708935A
Authority
FR
France
Prior art keywords
automatic door
door opener
opener
automatic
door
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
English (en)
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
Westinghouse Electric and Manufacturing Co
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 Westinghouse Electric Corp, Westinghouse Electric and Manufacturing Co filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of FR708935A publication Critical patent/FR708935A/fr
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
FR708935D 1930-01-11 1931-01-07 Appareil d'ouverture de porte automatique Expired FR708935A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US708935XA 1930-01-11 1930-01-11

Publications (1)

Publication Number Publication Date
FR708935A true FR708935A (fr) 1931-07-30

Family

ID=22097996

Family Applications (1)

Application Number Title Priority Date Filing Date
FR708935D Expired FR708935A (fr) 1930-01-11 1931-01-07 Appareil d'ouverture de porte automatique

Country Status (1)

Country Link
FR (1) FR708935A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2667788A (en) * 1948-08-24 1954-02-02 May Otto Long-stroke press drive means

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2667788A (en) * 1948-08-24 1954-02-02 May Otto Long-stroke press drive means

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