High performance yo-yo

Details High performance yo-yo High performance yo-yo

1997-03-31

1999-12-21

Nguyen, Kien T.

Amusement devices: toys

Rotating or having visible rotating portion

Having attached cord for imparting rotation

A63H 130

Patent

active

060041838

ABSTRACT:
A high performance yo-yo incorporates an axle ball bearing comprising non-metallic inner and outer races mounted on the central axle. A full complement axle bearing including non-metallic inner and outer races with matching grooves for retaining a plurality of balls between the bearing races is disclosed. Applicants have found, unexpectedly, that this type of bearing has highly desirable low friction characteristics that provide a long spin time, yet permit retrieval of the yo-yo upon command by a simple flick of the wrist. The central axle mounted in one of the yo-yo components is removably engageable in a sleeve mounted in the other yo-yo component to provide a yo-yo that is easily and conveniently assembled and disassembled.

REFERENCES:
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patent: 5017172 (1991-05-01), Seifert
patent: 5100361 (1992-03-01), Kuhn et al.
patent: 5389029 (1995-02-01), McAvoy, Jr.
patent: 5452501 (1995-09-01), Kramer et al.

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