Title:
TRAINING DEVICE ENABLING VARIOUS TECHNIQUES OF SKIPPING ROPE SUCH AS DOUBLE UNDER AND TRIPLE UNDER TO BE ACQUIRED EASILY
Document Type and Number:
Japanese Patent JP2017035430
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a skipping rope practice board which is enhanced in durability and elasticity for assisting jumping of a trainee practicing skipping rope or the like and enables him/her to acquire the techniques of skipping rope more easily and a manufacturing method of the same.SOLUTION: Appropriate numbers of reinforcement plates 2 are set parallel to each other to the undersurface of a top plate 1 consisting of plywood whose surface is waterproof-coated, two sleepers 3 are additionally arranged to the undersurface of the reinforcement plate in a direction orthogonally crossing the reinforcement plate and the top plate, reinforcement plates and sleepers are fixed each other with fasteners 4 at the positions where the reinforcement plates and sleepers cross.SELECTED DRAWING: Figure 1
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Inventors:
WATANABE KIYOSHI
NISHIZAWA AKIO
NISHIZAWA AKIO
Application Number:
JP2015172331A
Publication Date:
February 16, 2017
Filing Date:
August 14, 2015
Export Citation:
Assignee:
WATANABE KIYOSHI
International Classes:
A63B5/08