Spark-producing mechanism for wheel assembly

Land vehicles: wheels and axles – Wheel – Skate wheel

Patent

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Details

301 5R, 280 1119, A63C 1722, B60B 1900

Patent

active

050488970

ABSTRACT:
A spark-producing mechanism for wheel assembly comprises a plurality of flints, a fixing ring for the mounting of flints which closely fits to the shaft of the wheel, a grindstone which is inserted in the interior of the wheel. By rotating the wheel, the flints rub against the grindstone to produce sparks.

REFERENCES:
patent: 1790423 (1931-01-01), Hooks
patent: 3052060 (1962-09-01), Wohlestrom
patent: 4394037 (1983-07-01), Kuntz

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