Roller skis

Details Roller skis Roller skis

1977-02-03

1978-07-25

Mitchell, David M.

Land vehicles

Skates

With propulsion means driven by occupant

188 5, 280 1121, A63C 1714

Patent

active

041025415

ABSTRACT:
A roller ski comprising a reverse motion-blocking device composed of an articulated pendulum support which engages with the ground during reverse or rearward travel.

REFERENCES:
patent: 1247801 (1917-11-01), Egge
patent: 1745098 (1930-01-01), Jones
patent: 1801230 (1931-04-01), Fehre
patent: 2148417 (1939-02-01), Dewan et al.
patent: 2170978 (1939-08-01), Smith
patent: 2360629 (1944-10-01), Varner
patent: 2713496 (1955-07-01), Ayers
patent: 2828135 (1958-03-01), Koci
patent: 3884486 (1975-05-01), Wilje
patent: 4021052 (1977-05-01), Knowles

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