Undertaking
Patent
1979-06-20
1982-01-12
Pinkham, Richard C.
Undertaking
272142, A63B 2104
Patent
active
043101550
ABSTRACT:
An apparatus for developing the lower leg muscles used while skiing includes a base and a foot holder. A joint interconnects the foot holder with the base and permits multi-axis, compound motion of the holder. A flexible force applying member engages the foot holder substantially at the terminal free end of the foot holder opposite the heel receiving portion to bias the holder to the initial position which is generally vertical with respect to the base and to oppose movement of the holder from an initial position.
REFERENCES:
patent: 735319 (1903-08-01), Urwick
patent: 1509793 (1924-09-01), Thompson
patent: 2542074 (1951-02-01), Bierman
patent: 2645482 (1953-07-01), Magida
patent: 3022071 (1962-02-01), Malone et al.
patent: 3587319 (1971-06-01), Andrews
patent: 3754547 (1973-08-01), Walker
patent: 4199137 (1980-04-01), Giguere
Browne William R.
Pinkham Richard C.
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