Roller skate with brake

Land vehicles – Skates – Wheeled skate

Patent

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Details

280 1122, 280843, A63C 1700

Patent

active

056855508

ABSTRACT:
A shaft extending in the skating directions is supported by stanchions depending from a boot plate. Spherical wheels formed by hemispherical segments are rotatably secured to the shaft in fixed axial position by a ring member having wing axles extending transversely the shaft axis, the ring member being rotatable about bearing members secured to the shaft. One Of the bearing members has a braking cam with a pair of oppositely positioned recesses which mate with a corresponding braking detent mechanism mounted in each wing axle. Each wheel segment is independently rotatably secured to a wing axle for rotation in the skating directions. The wing axles rotate with the wheels about the shaft in response to a stopping action transverse to the skating directions to provide a braking resistance in response to the detent mechanism riding against the cam surface. Different spring loads and springs are provided to allow for different skating stroke and stopping forces.

REFERENCES:
patent: 2166767 (1939-07-01), Petermann
patent: 3936061 (1976-02-01), Wada
patent: 4294456 (1981-10-01), Tuell et al.
patent: 4618158 (1986-10-01), Liberkowski
patent: 4838564 (1989-06-01), Jarvis
patent: 5135244 (1992-08-01), Allison
patent: 5199727 (1993-04-01), Lai
patent: 5246238 (1993-09-01), Brown
patent: 5312165 (1994-05-01), Spletter

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