Plug door device

Patent metadata

Field	Value
Publication number	US-2016305169-A1
Application number	US-201615195164-A
Country	US
Kind code	A1
Filing date	Jun 28, 2016
Priority date	Mar 10, 2011
Publication date	Oct 20, 2016
Grant date	—

Abstract

Provided is a small plug door device having a slide base is installed slidably in a vehicle width direction relative to a fixed base. A door drive mechanism for moving one door in a vehicle front-rear direction via a connecting portion has a drive portion including an electric motor, a drive wheel member, a follower wheel member, and an endless member, and is installed on the slide base. A guide portion guides a shaft portion provided on the connecting portion so as to move the shaft portion in a vehicle width direction. In a double-speed rail in which a pinion is disposed between two racks, one rack is connected to the slide base, the other rack is connected to the door side, and the pinion is connected to the connecting portion.

First claim

1 . A door drive mechanism to be installed at a vehicle for performing an operation of opening and closing a door, comprising:
a drive wheel member to which a driving force is applied; at least one follower wheel member provided in association with the drive wheel member; and an endless member that is looped around the drive wheel member and the at least one follower wheel member so as to circle therearound, the endless member being arranged in the range from the front end portion of an entrance of the vehicle to the rear end portion of the entrance of the vehicle, the endless member being connectable to the door so that the door moves in a vehicle front-rear direction relative to the door drive mechanism.

2 . A plug door device comprising:
the drive mechanism according to claim 1 , wherein the drive mechanism performs a plugging operation of moving the door in a vehicle width direction; and a slide base configured to be slidable in the vehicle width direction according to the plugging operation, wherein the door drive mechanism is installed on the slide base so that the door drive mechanism slides with the slide base in the vehicle width direction.

Assignees

• Takahashi Kazutama
• Yamaguchi Atsuhito
• Nabtesco Corp

Inventors

• Takahashi Kazutama
• Yamaguchi Atsuhito

Classifications

• E05B83/04

  for sliding wings · CPC title

• B60J5/06

  slidable; foldable · CPC title

• E05B83/363 Primary

  for railway vehicles (E05B77/54 takes precedence) · CPC title

• E05Y2900/51

  for railway cars or mass transit vehicles · CPC title

• E05B65/08 Primary

  for sliding wings · CPC title