Title:
TUG-OF-WAR TRAINING DEVICE
Document Type and Number:
Japanese Patent JP3403709
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To improve the efficiency of training by changing the traction torque of a rotary drum for winding a traction rope in a tug-of-war training device and making the training similar to the actual tug-of-war motion.
SOLUTION: The section of the rotary drum 1 for winding a traction rope 8 is jujube-shaped or oval, etc., so that the traction rope 8 is wound on a non- circular rope winding surface A and the traction torque is changed.
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Inventors:
Yuzo Kodama
Application Number:
JP2000322082A
Publication Date:
May 06, 2003
Filing Date:
October 23, 2000
Export Citation:
Assignee:
Tamasu Industry Co., Ltd.
International Classes:
A63B71/02; (IPC1-7): A63B71/02
Domestic Patent References:
| JP1145084A |
Other References:
【文献】特許2710319(JP,B2)
【文献】特許2578847(JP,B2)
【文献】特許2578847(JP,B2)
Attorney, Agent or Firm:
Mihisa Yokota