Exercise devices – User manipulated force resisting apparatus – component... – Utilizing force resistance generated by user only
Reexamination Certificate
2000-01-28
2001-03-06
Crow, Stephen R. (Department: 3764)
Exercise devices
User manipulated force resisting apparatus, component...
Utilizing force resistance generated by user only
C482S140000, CD21S676000
Reexamination Certificate
active
06196954
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a physical exercising apparatus, and more specifically to a sliding exerciser, which comprises a track body, and a slide supported on the track body and reciprocated by the user with the hands when the user kneeled down on a kneeboard in front of the track body.
A variety of physical exercising apparatus including rowing machines, body-bending machines, step exercisers, stationary bicycles, etc., have been disclosed, and have appeared on the market. These exercising apparatus are designed for exercising the muscles of different part of the body. There is known an exercising apparatus specifically designed for exercising the muscles of the abdomen. This exercising apparatus comprises a straight track, and a wheel slidably coupled to the track. The wheel has a wheel shaft extended out of two opposite sides thereof for the holding of the hands. When in use, the wheel is moved back and forth with the hands along the track. The wheel can easily be moved forwards with the hands. However, it requires much effort to pull back the wheel. After a forward stroke, the user may be unable to pull the wheel back.
SUMMARY OF THE INVENTION
The present invention provides a sliding exerciser, which is practical in use for exercising the muscles of the abdomen effectively. According to one aspect of the present invention, the sliding exerciser comprises a track body, the track body having a base, a transverse bar, and rail means connected between the base and the transverse bar, a knee board connected to the transverse bar at a front side, and a slide coupled to the track body and reciprocated by the user along the rail means between the base and the transverse bar when the user kneeled down on the knee board, the slide having pairs of rollers bilaterally mounted on the inside and respectively coupled to the rail means. According to another aspect of the present invention, the rail means is smoothly upwardly curved from the transverse bar toward the base. According to still another aspect of the present invention, the slide has holder means at the topside thereof for holding weights.
REFERENCES:
patent: D. 397745 (1998-09-01), Wu
patent: D. 425585 (2000-05-01), Wu
patent: 3589720 (1971-06-01), Agamian
patent: 5429567 (1995-07-01), Gerschefske et al.
patent: 5518483 (1996-05-01), Oswald
patent: 5582565 (1996-12-01), Soria
patent: 6071217 (2000-06-01), Barnett
Crow Stephen R.
Pro-Techtor Inter-national Services
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