Transport device

Patent metadata

Field	Value
Publication number	US-9457480-B2
Application number	US-201514715906-A
Country	US
Kind code	B2
Filing date	May 19, 2015
Priority date	May 22, 2014
Publication date	Oct 4, 2016
Grant date	Oct 4, 2016

Abstract

A transport device that allows transport containers varying in shape or size to be transported without changing a device configuration, and can prevent works in a transport container from popping out of the transport container with a simple device configuration. An overhead carriage includes a chucking device that holds a magazine accommodating works. The overhead carriage transports the magazine held by the chucking device. The chucking device includes a holding unit that holds the magazine and a sensor that detects the magazine held by the holding unit. The holding unit is controlled based on the detection of the sensor to hold the magazine so that the holding unit prevents works stored in the magazine from popping out.

First claim

Having described the invention, the following is claimed:

1. A transport device for transporting a transport container, the transport container having storage ports, the storage ports being respectively defined by openings that are respectively formed in opposite longitudinal ends of the transport container, the transport container being configured to provide storage for a work, the transport device comprising:
a container holding device comprising a holding unit and a container detecting unit, the holding unit being configured to hold the transport container during a transport thereof, the holding unit comprising a plurality of chuck side members, at least two of the chuck side members being configured to respectively hold the transport container at the storage ports, each of the chuck side members being configured to hold the transport container from a bottom thereof so as to wrap around the transport container, the container detecting unit being configured to detect a distance between the chuck side members and the transport container, each of the at least two of the chuck side members comprising an arm portion that is moveable across the distance to contact the transport container and at least partially cover a corresponding one of the storage ports.

2. The transport device according to claim 1 , wherein, when the arm portion is in contact with the transport container, the arm portion prevents the stored work from popping out of the storage port.

3. The transport device according to claim 1 or 2 , wherein the chuck side members are moveable in directions changing in stages while holding the transport container.

4. The transport device according to claim 1 or 2 , wherein the container detecting unit includes a first container detecting unit that detects one side of the transport container and a second container detecting unit that detects another side of the transport container.

5. The transport device according to claim 3 , wherein the container detecting unit includes a first container detecting unit that detects one side of the transport container and a second container detecting unit that detects another side of the transport container.

Assignees

• Daifuku Kk

Inventors

• Usami Makoto

Classifications

• H10P72/7602

  the wafers being placed on a robot blade or gripped by a gripper for conveyance · CPC title

• H10P72/3221

  Overhead conveying · CPC title

• H10P72/3218

  Conveying cassettes, containers or carriers · CPC title

• H10P72/0606 Primary

  Position monitoring, e.g. misposition detection or presence detection · CPC title

• H01L21/6773

  Electricity · mapped topic