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Patent Searching and Data


Title:
PUSHCART
Document Type and Number:
WIPO Patent Application WO/2015/053086
Kind Code:
A1
Abstract:
A pushcart (100) is provided with: a steering portion (110); a main wheel (111); a carriage portion (112); an auxiliary wheel (113); a connecting portion (114); an inclination angle sensor (20); a gyro sensor (24); and a case (30). The carriage portion (112) rotatably supports a pair of main wheels (111) disposed opposite to each other. The carriage portion (112) rotatably supports a pair of auxiliary wheels (113) disposed opposite to each other. To the end of the carriage portion (112) on the main wheel (111) side, one end of two bar-like connecting portions (114) extending in the vertical direction is connected. One end of the steering portion (110) is fitted with a cylindrical hinge portion (115) rotatably supported at the other end of the connecting portions (114) on the opposite side from the main wheels (111). The other end of the steering portion (110) is fitted with a handle portion (116). A control unit (21) causes the main wheels (111) to rotate and implements inverted-pendulum control on the basis of detection results from the gyro sensor (24) and the inclination angle sensor (20).

Inventors:
KUBO MASAYUKI (JP)
SHIRATO KENICHI (JP)
Application Number:
PCT/JP2014/075353
Publication Date:
April 16, 2015
Filing Date:
September 25, 2014
Export Citation:
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Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
A61H3/04; B62B3/00
Domestic Patent References:
WO2012114597A12012-08-30
Foreign References:
JP2012250569A2012-12-20
JPS6280709A1987-04-14
JPH09249129A1997-09-22
JP2004142734A2004-05-20
JP2011207277A2011-10-20
JP2013056601A2013-03-28
Attorney, Agent or Firm:
Kaede Patent Attorneys' Office (JP)
Patent business corporation Kaede Patent Attorneys' Office (JP)
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