Land vehicles – Wheeled – Coasters
Patent
1998-08-03
2000-06-20
Camby, Richard M.
Land vehicles
Wheeled
Coasters
188 5, B62B 908
Patent
active
060768398
ABSTRACT:
A baby walker safety brake device including a wheel seat having a pivot hole and a slide way formed therein, a fixed guide wheel having a ring groove formed therein on one side thereof and having a shaft tube extend centrally therefrom, a shaft rod rotatably mounted in the shaft tube and received by the pivot hole of the wheel seat, and a fixed piece received within the ring groove of the fixed guide wheel. The fixed piece has a thickness matching a depth of the ring groove. The fixed piece has a central through hole extending around the shaft tube. The fixed piece has wing plates extending outwardly adjacent a bottom edge of the fixed piece. A protective edge extends outwardly beyond the wing plates of the fixed piece. The fixed piece has a protuberance extending outwardly above the central through hole. Two pins each have a length matching the depth of the ring groove. Each of the two pins has a diameter cooperative with an internal space between the fixed piece and the ring groove. The pins extend horizontally at an end of the wing plates.
REFERENCES:
patent: 4844209 (1989-07-01), Sedlack
patent: 5586622 (1996-12-01), Hu
patent: 5590892 (1997-01-01), Hu
patent: 5899471 (1999-05-01), Li-Wei
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