Land vehicles – Skates – Ball type roller skates
Patent
1997-04-07
1998-03-24
Camby, Richard M.
Land vehicles
Skates
Ball type roller skates
280 112, 280 1122, 280 1128, A63C 1724
Patent
active
057304670
ABSTRACT:
A roller skate device has a sole plate, a toe box, a heel, and a plurality of outer sleeves. The sole plate has a frame and a plate seat. Each outer sleeve receives a cylinder seat. A separating disk is disposed in a middle portion of the cylinder seat. A cushion, a ball bearing casing, a ball bearing, a hollow ball bearing cover, a nut, a dustproof plate, and a buffer packing ring are inserted in an upper interior of the cylinder seat in order. A washer, a pin bearing casing, a pin bearing, a hollow cover, a retaining ring, a dustproof ring, and a hollow pad are inserted in a lower interior of the cylinder seat in order. A hollow drive bowl is disposed beneath the hollow pad. The hollow drive bowl has a first and a second oval holes. A spherical wheel has an axle. The axle is inserted in the first and the second oval holes. A swift shaft passes through the hollow drive bowl, the dustproof ring, the retaining ring, the hollow cover, the pin bearing casing, the washer, the separating disk, the cushion, the ball bearing casing, the ball bearing, and the hollow ball bearing cover and is fastened by the nut.
REFERENCES:
patent: 4598918 (1986-07-01), Rodriguez
patent: 5409265 (1995-04-01), Douglass
patent: 5549331 (1996-08-01), Yun et al.
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