Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yousuke Matsuda1
Hiroshi Satoh1
Jiro Mitsui1
Date of Patent
May 19, 2009
1Patent Application Number
111655831
Date Filed
June 24, 2005
1Patent Primary Examiner
Patent abstract
A roller arm unit of the present invention has three or more pulleys by odd pieces. A door-opening cable and a door-closing cable extending from a power unit have tip ends fixed to a first and second end portions of a guide rail by way of the pulleys. The door-opening cable and the door-closing cable are intersected with each other between two neighboring pulleys. A path length of a take-up side cable becomes short and a path length of a pay-out side cable becomes long when the roller arm unit is caused to be swung due to influence of the curved portion.
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