Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masashi Tsuchihata0
Junichi Hirota0
Kenro Matsuo0
Date of Patent
December 8, 2009
0Patent Application Number
119106640
Date Filed
March 13, 2006
0Patent Primary Examiner
Patent abstract
A transport device includes a plurality of endlessly connected steps (1) so that these steps (1) circulate. One or more of the plurality of steps (1) have one or more weights (11) detachably attached thereto. These weights (11) are contained in the space surrounded by a tread (2), a riser (4), and a yoke (3) that form each of the steps (1), and supported on the rear surface of the tread (2) in a row by a channel member (12) of U-shape in cross section.
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