Yo-yo with non-circular cross-sectional axle

Details Yo-yo with non-circular cross-sectional axle Yo-yo with non-circular cross-sectional axle

1982-08-30

1985-01-08

Hafer, Robert A.

Amusement devices: toys

Rotating or having visible rotating portion

Having attached cord for imparting rotation

A63H 2712

Patent

active

044920571

ABSTRACT:
A toy capable of combined rotational motion about an axle and translational motion in a vertical direction. Two parallel discs are connected through their centers and are maintained in a spaced-apart position, by an axle. The axle is non-circular in cross-section, and is supported by a tape which is inserted along the axle's longitudinal axis between the two axle-halves. The opposite end of the tape may be attached to a swivel which is in turn connected to a holding apparatus. In order to operate the toy, the end of the tape or the holding apparatus is held in the operator's hand and a down-and-up motion is imparted to the toy. The body of the yo-yo may alternatively be suspended from a string which is firmly anchored to the axle.

REFERENCES:
patent: 864214 (1907-08-01), Temple
patent: 3858348 (1975-01-01), Brown
patent: 4290224 (1981-09-01), MacCarthy

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