Exercise devices – User manipulated force resisting apparatus – component... – Utilizing force resistance generated by user only
Patent
1993-06-15
1994-08-09
Apley, Richard J.
Exercise devices
User manipulated force resisting apparatus, component...
Utilizing force resistance generated by user only
482 96, 482139, A63B 2100
Patent
active
053361520
ABSTRACT:
An exercise apparatus includes a compact curved base member, which generally conforms to the shape of the back of a user, and a set of transverse rollers which are adapted to enable the base member to roll upwardly and downwardly over a wall or other such surface. A device enables the base member to be worn on the lower back of the user, who can press the rollers against a wall as the user performs knee bends repeatedly, for enabling the leg muscles to be exercised in a comfortable, easy manner. The base member is also curved transversely to distribute pressure uniformly over a large area of the back to help reduce discomfort to the wearer. A pair of spaced apart transverse rollers for distributing pressure across a large area of a wall uniformly, each include an extruded thermoplastic member to help make the apparatus relatively inexpensive to manufacture, and light in weight. A guard disposed at a top portion of the base member helps to prevent the clothing of the user from inadvertently becoming entangled in the rollers during use.
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"Mantrainer" Advertisement by Marcy Gymnasium Equipment Company, Nov. 1, 1968, note pp. 2 and 4.
Pogue Lonnie C.
Roshon Richard A.
Winslow Jeffrey S.
Apley Richard J.
Jeffrey S. Winslow
Kleinke Bernard L.
Mollo Jeanne M.
Potts Jerry R.
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