Zig-zag ball

A - Human Necessities – 63 – B

Patent

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273/171

A63B 39/00 (2006.01) A63B 43/04 (2006.01)

Patent

CA 1227228

ABSTRACT OF THE DISCLOSURE A ball which moves in a zig-zag manner when rolled has a shaft traversing two points at opposite sides of a body, with left and right threads engraved on the shaft and a hollow cylinder slid ably mounted on the shaft. A pin connected to the cylinder slid ably contacts the threads and a weight is attached to the cylinder such that the weight, the pin and the threads co-operate to cause the cylinder to reciprocatingly traverse the shaft as the ball rolls.

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