Exercise treadmill shock-absorbing improvement

Details Exercise treadmill shock-absorbing improvement Exercise treadmill shock-absorbing improvement

1980-10-14

1982-09-21

Pinkham, Richard C.

Undertaking

198841, A63B 2306

Patent

active

043503365

ABSTRACT:
An improvement to an exercise treadmill having longitudinal main frame members which comprises an adjustable shock-absorbing apparatus, featuring a flexible platform supporting a rotatable endless tread-belt, the platform being pivotally connected at one end to the main frame, with the platform resting on a moveable shock absorbing platform support which rests on the longitudinal main frame members and is located forward of the platform's pivotal connection, and which support is moveable fore and aft for adjustment purposes with respect to the longitudinal main frame members so as to act as a shock-absorbing fulcrum for the platform so as to protect the body of the exerciser from the shock usually associated with running or walking on a hard surface.

REFERENCES:
patent: 2239076 (1941-04-01), Biedess
patent: 2251766 (1941-08-01), Stark
patent: 2812180 (1957-11-01), Cymbal
patent: 2996295 (1961-08-01), Smith
patent: 3319767 (1967-05-01), Breternitz et al.
patent: 3501140 (1970-03-01), Eichorn
patent: 3590980 (1971-07-01), Bengtsson
patent: 3814420 (1974-06-01), Encke
patent: 3870297 (1975-03-01), Elder

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