Exercise devices – User manipulated force resisting apparatus – component... – Utilizing fluid resistance
Patent
1994-10-05
1995-11-21
Reichard, Lynne A.
Exercise devices
User manipulated force resisting apparatus, component...
Utilizing fluid resistance
482 80, A63B 21008
Patent
active
054682045
ABSTRACT:
A hydraulic exerciser includes an elongated hollow support formed with an axial through bore, and a pair of hydraulic cylinders, each of which has a cylinder body and a plug unit which is secured on one end of the cylinder body and which mounts pivotably the cylinder body on a respective one of two ends of the hollow support. The plug unit is formed with a fluid passage for communicating the interior of the cylinder body and the through bore of the hollow support, and includes a first plug member extending sealingly and securely into the cylinder body and having an axial threaded extension which extends out of the cylinder body, and a second plug member having a head section formed with a radial threaded hole which engages threadedly the threaded extension and a shank section extending sealingly and rotatably into the respective one of the two ends of the hollow support. A pin at each of the two ends of the hollow support extends into an annular peripheral groove formed in the shank section of a corresponding second plug member to mount rotatably the plug units on the hollow support.
REFERENCES:
patent: 4563001 (1986-01-01), Terauds
patent: 5183453 (1993-02-01), Yamashiro
patent: 5222580 (1993-06-01), Wang
patent: 5236407 (1993-08-01), Wang
patent: 5370592 (1994-12-01), Wu
Michelle Hsiu-Feng Wang
Reichard Lynne A.
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