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Title:
CONTROL PROCESS OF DRIVE-FORCE ASSISTANCE DEVICE AND DRIVE-FORCE ASSISTANCE DEVICE
Document Type and Number:
Japanese Patent JP3760928
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a drive-force assistance device capable of effecting comfortable running by feeding an always proper assistance force in accordance with operator circumstances, such as operator's physical strength and fatigue, and environmental circumstances, such as head wind and an ascent hill.
SOLUTION: The drive-force assistance device comprises a fixing member fixed on a man-power drive spindle; a rotation member coupled with the fixing member through an elastic element and rotating the man-power drive spindle; a moving element moved in the axial direction of the man-power drive spindle guided by a guide groove formed in the rotation member as it is rotated together with the fixing member; and a detecting element to detect an amount of movement in an axial direction of a moving element. The magnitude of a man-power is detected by the amount of movement in an axial direction of the moving element corresponding to the bending amount of an elastic element bending according to the magnitude of a man-power.


Inventors:
Hiroshi Miyazawa
Hiroshi Nakazato
Yutaka Takada
Kuniaki Tanaka
Katsumi Shinkai
Application Number:
JP2003133273A
Publication Date:
March 29, 2006
Filing Date:
May 12, 2003
Export Citation:
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Assignee:
Seiko Epson Corporation
International Classes:
B62J99/00; B60L15/20; B62M6/45; B62M6/50; B62M6/55; (IPC1-7): B62M23/02; B60L15/20; B62J39/00
Domestic Patent References:
JP6107267A
JP6107268A
JP5050977A
JP5310177A
JP6255563A
JP60233522A
JP57041141U
Foreign References:
EP0543453A1
Attorney, Agent or Firm:
Masahiko Ueyanagi
Fujitsuna Hideyoshi
Osamu Suzawa