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Patent Searching and Data


Title:
WHEEL FOR AGRICULTURAL USE
Document Type and Number:
Japanese Patent JP2009248713
Kind Code:
A
Abstract:

To provide a wheel for agricultural use capable of enhancing bending strength without increase of manufacturing cost.

The wheel 1 for agricultural use has: a rim 4 bent in a circular ring form and having both ends connected; a plurality of pipe-like spokes 5 having one end connected to an inner peripheral side and the other extending to a center of the rim; a boss for connecting the other ends of the spoke at the center of the rim; an elastic ring body for covering at least an outer peripheral side of the rim, integrated with the rim and formed by an elastic material. In the spoke, a cross section perpendicular to its axis is an ellipse in which a rotation axis direction is a long diameter, and a ratio of the long diameter to a short diameter (long diametershort diameter) of the ellipse is 1.2 to 2.0.


Inventors:
FURUSAWA TOSHINORI
Application Number:
JP2008098264A
Publication Date:
October 29, 2009
Filing Date:
April 04, 2008
Export Citation:
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Assignee:
SUMITOMO RUBBER IND
International Classes:
B60B1/12; B60B15/02
Attorney, Agent or Firm:
Toshio Yasuda
Mikio Yasuda