Stepping exerciser step plates link motion mechanism

Details Stepping exerciser step plates link motion mechanism Stepping exerciser step plates link motion mechanism

1990-11-23

1991-09-17

Crow, Stephen R.

Undertaking

272130, A63B 2304

Patent

active

050488210

ABSTRACT:
A stepping exerciser step plates link motion mechanism for forcing the two step plates of a stepping exerciser to smoothly efficiently oscillate back and forth at two opposite sides of a base plate during stepping exercises, comprising a lever pivotably secured to a mounting plate at the bottom of the base plate; two holder plates fixedly secured to the two step plates; a first pair of axles respectively rotatably fastened in the two holder plates; a second pair of axles respectively rotatably fastened in the two opposite ends of the lever and disposed in parallel with the first pair of axles, two flat rocker arms pivotably connected between the first and second pair of axles to link up the lever with the two step plates.

REFERENCES:
patent: 4708338 (1987-11-01), Potts
patent: 4720093 (1988-01-01), Delmar
patent: 4934690 (1990-06-01), Bull

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