Title:
EXERCISE TOOL FOR UNDERWATER
Document Type and Number:
Japanese Patent JP2020010875
Kind Code:
A
Abstract:
To provide an exercise tool for underwater capable of imposing a heavy load in which the width of a change in a load amount is large.SOLUTION: An exercise tool 100 for underwater includes a water wheel that rotates underwater. The water wheel 20 includes a bearing 122a fixed to the water bottom, a rotation shaft rotatably supported by the bearing 122a, spokes 22 that extend radially from the rotation shaft, and blades 23 supported by the spokes 22. The blades 23 are provided so as to rotate around the spokes 22.SELECTED DRAWING: Figure 1
Inventors:
FURUYA MASANORI
Application Number:
JP2018135723A
Publication Date:
January 23, 2020
Filing Date:
July 19, 2018
Export Citation:
Assignee:
JAPAN SECURITY SUPPORT CO LTD
International Classes:
A63B22/06; A63B21/008
Domestic Patent References:
| JP2018504175A | 2018-02-15 | |||
| JP3161873U | 2010-08-12 | |||
| JP2011087950A | 2011-05-06 | |||
| JP2016063893A | 2016-04-28 | |||
| JP2010155044A | 2010-07-15 |
Foreign References:
| EP2221091A1 | 2010-08-25 | |||
| US5665039A | 1997-09-09 | |||
| US20070179025A1 | 2007-08-02 | |||
| US5690588A | 1997-11-25 |
Attorney, Agent or Firm:
Katsunori Sugimoto
Mitsuhiro Okada
Mitsuhiro Okada