Sliding device

Details Sliding device Sliding device

1990-02-20

1991-05-28

Chilcot, Jr., Richard E.

Undertaking

428 15, 428 58, 428 92, A63G 2100

Patent

active

050187210

ABSTRACT:
There are disclosed several sliding devices. One sliding device comprises a sheet mounted on a slope and having a descending substrate, a plurality of recesses arranged uniformly on the substrate, a plurality of balls engaged in the recesses for supporting the ski and rotatable in full directions, the plurality of balls being exposed over the substrate so that the ski contacts the balls, and projecting edges provided at peripheries of the recesses on the substrate for preventing the plurality of balls from getting out from the recesses.

REFERENCES:
patent: 2550078 (1951-05-01), Gaylor
patent: 3422732 (1969-01-01), York
patent: 3473483 (1969-10-01), York
patent: 4179539 (1979-12-01), Schweizer

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