PROBLEM TO BE SOLVED: To provide an automatic door for a freight car that allows an inoperable sliding door to be released readily and surely at a time of emergency, and furthermore to be restored readily.SOLUTION: An automatic door for a freight car includes an opening/closing drive part 1 comprising a first arm 2 rotated in a circular arc by a drive motor 4, a second arm 3 rotated in a circular arc around a second center of rotation P2 at a tip of the first arm 2, and a first timing pulley 5 fixed at a first center of rotation P1 of the first arm 2, and furthermore a first arm rotation angular adjustment structure 31. When the drive motor 4 is electrically inoperable, the first arm 2 is rotated around the second center of rotation P2 as a tip part of the second arm 3 moves linearly, when a sliding door is moved manually. Consequently, a rotary shaft of the drive motor 4 is rotated by force, enabling the sliding door to be opened/closed manually.SELECTED DRAWING: Figure 8

    【課題】緊急時に動作不能状態のスライドドアを解除するときに、容易かつ確実に緊急解除することができ、更に容易に復帰することができる貨物車両用自動開閉ドアを提供する。【解決手段】駆動モータ4で円弧状に回動する第1アーム2と、第1アーム2の先端を第2回動中心点P2として円弧状に回動する第2アーム3と、第1アーム2の第1回動中心点P1に固定した第1タイミングプーリ5とから成る開閉駆動部1と、第1アーム回動角調節構造31と、を備え、駆動モータ4が電気的に動作不能状態になったときに、スライドドアを手動で動かすことにより、第2アーム3の先端部の直線移動に伴い、第1アーム2を第2回動中心点P2で回動させ、駆動モータ4の回転軸を強引に回動させ、スライドドアを手動でも開閉することができる。【選択図】図8


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    Title :

    AUTOMATIC DOOR FOR FREIGHT CAR


    Additional title:

    貨物車両用自動開閉ドア


    Contributors:

    Publication date :

    2016-12-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    E05F DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION , Vorrichtungen zum Bewegen der Flügel in die Offen- oder Schließstellung / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / E05B LOCKS , Schlösser / E06B Feste oder bewegliche Abschlüsse für Öffnungen in Bauwerken, Fahrzeugen, Zäunen oder ähnlichen Einfriedungen allgemein, z.B. Türen, Fenster, Läden, Tore , FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES



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