Artificial cross-country skiing practice set

Details Artificial cross-country skiing practice set Artificial cross-country skiing practice set

1977-04-05

1979-01-23

Pinkham, Richard C.

Railways: surface track

Portable track

Simulated roadbeds

104 69, 104134, 272 565SS, E01B 2300, A63B 6918

Patent

active

041356667

ABSTRACT:
An artificial cross-country skiing practice set comprises a track formed of interfitted rail sections placed end-to-end to form parallel rolling bands receiving roller-ski members in normal skiing relationship. At least one roller of each ski member has an adjustable brake simulating resistance to advancement as when skiing on snow.

REFERENCES:
patent: 892758 (1908-07-01), McLay
patent: 3000643 (1961-09-01), Levin
patent: 3363583 (1968-01-01), Greenberg
patent: 3497211 (1970-02-01), Nagin
patent: 3694983 (1972-10-01), Couquet
patent: 3961751 (1976-06-01), Kessler

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