Title:
HANDCART
Document Type and Number:
Japanese Patent JP2017012546
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a handcart capable of achieving both stabilization of walking according to a travel state of a vehicle and facilitation of load transportation.SOLUTION: A control unit 50 calculates a travel distance and an advance direction on the basis of a rotation angle of a wheel part 30, and executes support control of making a vehicle drive unit 35 generate drive torque for generating an assist force in the advance direction or brake torque for generating a brake force in an opposite direction of the advance direction in accordance with the advance direction and an inclination angle. The control unit also calculates an angle change rate of the inclination angle per unit travel distance on the basis of the travel distance and the inclination angle, and executes the support control if contact with a grip part is detected and the angle change rate is equal to a prescribed threshold value or less.SELECTED DRAWING: Figure 5
Inventors:
KATAYAMA TAKAHIRO
KAMISHINA ATSUSHI
KAMISHINA ATSUSHI
Application Number:
JP2015133504A
Publication Date:
January 19, 2017
Filing Date:
July 02, 2015
Export Citation:
Assignee:
RT WORKS CO LTD
International Classes:
A61H3/04; B60L15/20; B62B3/00; B62B5/04
Domestic Patent References:
| JPH04306691A | 1992-10-29 | |||
| JP2015047298A | 2015-03-16 |
Foreign References:
| WO2015053245A1 | 2015-04-16 |
Attorney, Agent or Firm:
Koichi Tsujii
Sadao Kumakura
Disciple Maru Ken
Ino Sato
Mitsuru Matsushita
Ichiro Kurasawa
Yasushi Yamamoto
Sadao Kumakura
Disciple Maru Ken
Ino Sato
Mitsuru Matsushita
Ichiro Kurasawa
Yasushi Yamamoto