To provide a door opening travel restriction apparatus that reliably prevents door opening travel of a car using a simple mechanical structure.SOLUTION: A door opening travel restriction apparatus according to one embodiment of the present invention prevents an elevator from travelling on a hoistway with the door open, the apparatus comprising an engagement apparatus provided at a car side door 21A and having engagement vanes 30A, 30B transmitting a door opening and closing driving force to boarding place side doors 17A, 17B, an engaged apparatus provided at the boarding place side door 17A, and having engagement rollers 47, 48 with which the engagement vanes can be engaged when the car lands and the door opening operation is performed, and an interference member 50 that does not prevent car movement in a door closing state and interferes the engagement apparatus or the engaged apparatus only when the car moves in a door opening state to block the car movement mechanically.SELECTED DRAWING: Figure 1

    【課題】簡易な機械的な構造を利用して、乗りかごの戸開走行を確実に阻止する。【解決手段】本発明の一実施形態に係る戸開走行制限装置は、エレベータが戸開した状態で昇降路を走行することを防止する戸開走行制限装置であって、かご側ドア21Aに設けられ、戸開閉動力を乗り場側ドア17A、17Bに伝達する係合ベーン30A、30Aを有する係合装置と、乗り場側ドア17Aに設けられ、かごが着床し戸開動作したときに、前記係合ベーンが係合可能な係合ローラ47、48を有する被係合装置と、戸閉状態ではかごの移動を妨げず戸開状態で前記かごが移動するときに限って係合装置または被係合装置に干渉し、前記かごの移動を機械的に阻止する干渉部材50と、を備える。【選択図】図1


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    Title :

    DOOR OPENING TRAVEL RESTRICTION APPARATUS


    Additional title:

    戸開走行制限装置


    Contributors:
    NAGAI ATORI (author)

    Publication date :

    2020-01-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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