Apparatus for enhancing vertical jump capability

Details Apparatus for enhancing vertical jump capability Apparatus for enhancing vertical jump capability

1987-09-21

1988-11-08

Millin, V.

Undertaking

272130, A63B 2100

Patent

active

047830689

ABSTRACT:
The apparatus of the invention incorporates a seat extending from a hydraulic piston support therefor, and in which the hydraulic piston is arranged to move upwardly in response to the force generated by a "strapped-in" user in attempting to raise up from the seat.

REFERENCES:
patent: 4241913 (1980-12-01), Zwayer et al.
patent: 4371162 (1983-02-01), Hartzell
patent: 4549734 (1985-10-01), Hibler, Jr. et al.
patent: 4589658 (1986-05-01), Gibson
patent: 4626018 (1986-12-01), Massey
The Jumper, Coach and Athlete, 3-1981, p. 31.

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