In-line roller skate with ball rollers

Details In-line roller skate with ball rollers In-line roller skate with ball rollers

1992-03-20

1993-05-04

Focarino, Margaret A.

Land vehicles

Skates

Ball type roller skates

280 1122, A63C 1724

Patent

active

052074544

ABSTRACT:
An in-line roller skate includes a frame having a pair of parallel, spaced side rails. At least one and, preferably, a plurality of ball rollers are mounted in the frame between the forward and rearward ends of the frame. Each ball roller is mounted to the frame for unidirectional movement by a base attached to the frame. A concave bed is formed in the base and is substantially covered by a plurality of rotatable bearings. A cap having a central aperture in an end wall is secured to the base and encloses the bearings and the ball roller, with a portion of the ball roller extending through the central aperture in the cap. In another embodiment, an axle is centrally located in the frame and extends perpendicularly through the side rails and rotatably supports a cylindrical wheel thereon. Ball rollers are mounted forward and rearward of the wheel depending on the location of the wheel in the frame. The frame is fixedly attached to a boot of a sole member with a plurality of straps with closures mounted on the sole member for releasably attaching the sole and the frame to a foot of a user.

REFERENCES:
patent: 862431 (1907-08-01), Armband
patent: 904088 (1908-11-01), Rother
patent: 3351353 (1967-11-01), Weitzner
patent: 3522951 (1970-08-01), Tyson
patent: 4076263 (1978-02-01), Rand
patent: 4149735 (1979-04-01), Blackburn et al.
patent: 4572529 (1986-02-01), Thomas
patent: 4909523 (1990-03-01), Olson
patent: 5028058 (1991-07-01), Olson

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