1987-07-20
1988-09-20
Apley, Richard J.
Undertaking
272DIG1, 272DIG5, A63B 2100
Patent
active
047720166
ABSTRACT:
An exercise comprising a pair of arms pivotably connected to each other at one end and a pneumatic pump connected between and activated by relative arm movement. The pump comprises a cylinder pivotably connected to one arm and a rod fixedly or pivotably connected to the other arm. The rod carries a piston projecting into the aforementioned cylinder. The closed end of the cylinder includes an infinately adjustable air release valve for controlled releasing of compressed air from the closed end of the cylinder during user pivoting together of the distal ends of the arms. Resistance to relative movement of the arms together by the user is selected according to user desired by adjustment of the release value. The adjustable valve has an infinite number positions between fully closed to fully open.
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patent: 4606266 (1986-08-01), Hyman, Sr.
Apley Richard J.
Gilliam Frank D.
Welsh J.
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