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Title:
ROWING MACHINE
Document Type and Number:
Japanese Patent JPH03136672
Kind Code:
A
Abstract:

PURPOSE: To carry out the extension and the contraction movement of a human body more effectively under the handle load inflicting proportionally with one's weight by linking a hydraulic cylinder device for handle loading between an inclining movement board and a specific position of a handle lever whose fulcrum is on the inclining movement board, and connecting the extension side chambers of the hydraulic cylinders for inclining movement and for handle loading through a load control valve.

CONSTITUTION: At the front end of an inclining movement board 5, steps 23 to place the feet of a user are provided to fix at the positions regulated by an adequate position regulating device, and a display 24 to display the load inflicted to a handle is provided. The extension side chambers 14A of cylinder devices 14 for handle loading are connected to the extension side chamber 8A of a cylinder device 8 for inclining movement with a fluid pressure hose 25 through a load control valve 26, and a pressure converter 26 is connected to the hydraulic pressure hose 25 between the cylinder devices 14 for handle loading and the load control valve 26 to compose a closed circuit. The contraction side chambers 8B and 14B of the cylinder devices 8 and 14 are ventilated to the atmosphere.


Inventors:
TAKAHASHI EIJI
Application Number:
JP27365289A
Publication Date:
June 11, 1991
Filing Date:
October 23, 1989
Export Citation:
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Assignee:
TOKYO SINTERED METAL CO LTD
International Classes:
A63B21/00; A63B21/008; A63B23/00; (IPC1-7): A63B21/00; A63B21/008; A63B23/00
Attorney, Agent or Firm:
Akihide Sugimura (5 outside)



 
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