Title:
DRIVE WHEEL STRUCTURE FOR TRANSPORTATION CARRIAGE
Document Type and Number:
WIPO Patent Application WO/2012/042806
Kind Code:
A1
Abstract:
The present invention relates to a drive wheel structure for a transportation carriage (1) which travels by the rotational drive of an electric motor (4). The drive wheel structure is provided with a frame body (3) which supports the vehicle body of the transportation carriage (1) and enables the transportation carriage (1) to perform transportation, and the frame body (3) is provided with a rotation body (6) which is rotationally driven in the advance direction. The rotation body (6) incorporates a reduction gear (5) into which the rotation of the electric motor (4) is inputted and which is covered with a case body (13). The input side of the reduction gear (3) is disposed at one end of the frame body (3) and is supported by a bearing (14a) provided with a seal. The output side which protrudes from the reduction gear (5) is disposed at the other end of the frame body (3) and is supported by a bearing (14) provided with a seal. The drive wheel structure is characterized in that a wheel (16) is fitted over the outer peripheral surface of the rotation body (6), a tire (8) is formed on the outer periphery of the wheel (16) to enable the vehicle body to travel, and seal members (20) are provided to the bearings (14a, 14b), which are located at the one end and the other end, so as to be located on the side from which oil flows to the outside.
Inventors:
ISHIGURE KATSUTOSHI (JP)
KOZUKA YOSHIHIRO (JP)
SAITO YUSUKE (JP)
IWAMOTO KAZUAKI (JP)
NISHIBU KEITA (JP)
KOZUKA YOSHIHIRO (JP)
SAITO YUSUKE (JP)
IWAMOTO KAZUAKI (JP)
NISHIBU KEITA (JP)
Application Number:
PCT/JP2011/005363
Publication Date:
April 05, 2012
Filing Date:
September 26, 2011
Export Citation:
Assignee:
FUJI HENSOKUKI KK (JP)
ISHIGURE KATSUTOSHI (JP)
KOZUKA YOSHIHIRO (JP)
SAITO YUSUKE (JP)
IWAMOTO KAZUAKI (JP)
NISHIBU KEITA (JP)
ISHIGURE KATSUTOSHI (JP)
KOZUKA YOSHIHIRO (JP)
SAITO YUSUKE (JP)
IWAMOTO KAZUAKI (JP)
NISHIBU KEITA (JP)
International Classes:
F16H57/029; B62B3/00; F16H1/28; F16H57/027; F16H57/04
Foreign References:
| JP2008137631A | 2008-06-19 | |||
| JP2001315645A | 2001-11-13 | |||
| JP2005233310A | 2005-09-02 | |||
| JP2010078131A | 2010-04-08 |
Attorney, Agent or Firm:
HIROE AND ASSOCIATES, patent professional corporation (JP)
Patent business corporation Hiroe associates patent firm (JP)
Patent business corporation Hiroe associates patent firm (JP)
Download PDF:
Claims: