Title:
ITEM CONVEYANCE INFRASTRUCTURE
Document Type and Number:
WIPO Patent Application WO/2011/070861
Kind Code:
A1
Abstract:
Disclosed is an item conveyance infrastructure capable of supplying power from a power supply line to a power receiving unit in an appropriate manner without installing a power receiving unit upon a connecting shaft, and even in curved portions of set travel paths. The travel rail (1) and the power supply line are disposed to extend in line with a set travel path that combines straight portions and curved portions (5), and an item conveyance vehicle comprises travel units (10) further comprising guide wheels (15) that make contact with the travel rail (1) and are guided in the horizontal direction and travel wheels (14) that make contact with the travel rail and are driven rotationally. The travel units (10) are linked by linking shafts (12) upon a chassis main body (9) to rotate freely about vertical axes, the power receiving unit (25) is supported upon the chassis main body (9) to move freely in the horizontal direction of the item conveyance vehicle, and the item conveyance vehicle further comprises a power receiving unit moving means (26) for moving the power receiving unit (25) to the exterior side of the curved portions (5) in the horizontal direction of the item conveyance vehicle in line with the rotations of the linking shafts (12) when the travel units (10) rotate about the vertical axes with respect to the chassis main body (9) as the item conveyance vehicle travels over the curved portions (5).
Inventors:
INUI Yoshitaka (Shigajigyosho, 1225, Nakazaiji, Hinocho, Gamo-gu, Shiga 92, 〒5291692, JP)
Application Number:
JP2010/068722
Publication Date:
June 16, 2011
Filing Date:
October 22, 2010
Export Citation:
Assignee:
DAIFUKU CO., LTD. (2-11, Mitejima 3-chome Nishiyodogawa-ku, Osaka-sh, Osaka 12, 〒5550012, JP)
株式会社ダイフク (〒12 大阪府大阪市西淀川区御幣島三丁目２番１１号 Osaka, 〒5550012, JP)
株式会社ダイフク (〒12 大阪府大阪市西淀川区御幣島三丁目２番１１号 Osaka, 〒5550012, JP)
International Classes:
B61B13/00; B60L5/00; B60M7/00
Attorney, Agent or Firm:
KITAMURA Shuichiro (3-3 Nakanoshima 3-chome, Kita-ku Osaka-sh, Osaka 05, 〒5300005, JP)