Undertaking
Patent
1981-03-04
1983-03-15
Johnson, Richard J.
Undertaking
272146, A63B 2304
Patent
active
043765327
ABSTRACT:
Apparatus for providing exercise to muscles used in skiing. A pair of foot platforms are provided which are affixed by rocker assemblies above a pair of first platform members. The first platform members are each rotatively mounted to a base. Biasing springs interconnect the first platform members. Anchor means are provided for securing the tips of ski poles held by the user.
REFERENCES:
patent: 2445274 (1948-11-01), Scriver
patent: 3421760 (1969-01-01), Freeman
patent: 3547434 (1970-12-01), Ossenkop
patent: 3559986 (1971-02-01), Ehrmantraut
patent: 3612519 (1971-10-01), Larson
patent: 3834693 (1974-09-01), Poppenberger
Advertising Brochure--Ski the Machine of Ken MacLeay Ent. Inc. Panorama City, CA.
Harms Allan L.
Johnson Richard J.
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