Controllable load apparatus

Details Controllable load apparatus Controllable load apparatus

2005-09-06

2005-09-06

Richman, Glenn E. (Department: 3764)

Exercise devices

User manipulated force resisting apparatus, component...

Utilizing inertial force resistance

C482S111000, C482S112000

Reexamination Certificate

active

06939275

ABSTRACT:
The invention relates to a controllable load apparatus for use in machines for resistive exercise training of the human body. The apparatus comprises a pneumatic cylinder (10) having a piston (12) acting on a fluid and a piston rod (14), the piston/cylinder unit (10, 12) being operated on by a person undergoing training. A pressure accumulator (20) is connected to, and pressurizes the piston/cylinder unit (10, 12) at a predetermined pressure during exercise via a pneumatic control circuit (42). Once a predetermined pressure threshold is reached, a valve means operates to prevent further fluid being available for charging the accumulator (20).

REFERENCES:
patent: 4063726 (1977-12-01), Wilson
patent: 4799676 (1989-01-01), Sheppard et al.
patent: 5011142 (1991-04-01), Eckler
patent: 5312315 (1994-05-01), Mortensen et al.
patent: 5346452 (1994-09-01), Ku
patent: 5890996 (1999-04-01), Frame et al.
patent: 6413195 (2002-07-01), Barzelay

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