Title:
サーフボードの推進装置
Document Type and Number:
Japanese Patent JP5221737
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a propulsion device which allows even a rider having no physical strength nor surfing experience to ride on the wave crest in a pushing-out manner by wave force by utilizing the wave force to a maximum without paddling.SOLUTION: A propulsion device b1 can receiving the force of foaming wave called "soup" of the knee height or the like by a board in which the total body of a rider is completely afloat while the rider expects good waves in a face-down manner, is provided on a board tail upper part. The propulsion device has an integrated shape by using a material of high elasticity, and can be easily mounted on a surfboard on the market. The size thereof can be reduced according to the capacity of the rider.
Inventors:
Takehiko Hirohiko
Application Number:
JP2011245096A
Publication Date:
June 26, 2013
Filing Date:
November 09, 2011
Export Citation:
Assignee:
Takehiko Hirohiko
International Classes:
B63B35/79
Domestic Patent References:
| JP2008230315A | ||||
| JP2005103206A |
Foreign References:
| US4940438 | ||||
| US5152705 |