Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yasumasa Haruta0
Shinji Nagaya0
Takashi Yumura0
Tatsuya Yoshikawa0
Joichi Nakamura0
Manabu Ogura0
Date of Patent
September 12, 2006
0Patent Application Number
104830480
Date Filed
December 4, 2002
0Patent Primary Examiner
Patent abstract
In an escalator having a high-speed inclined portion, shape of an auxiliary track in a speed-changing region for steps is determined by finding a positional relationship between step link roller shafts of at least one of the steps and an adjacent step from a step speed profile representing speed of the step link roller shafts as a function of time. The shape of a riser is determined such that the riser aligns with a relative movement locus of the adjacent step by finding a relative positional relationship between the step and the adjacent step from the step speed profile.
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