Toy helices having variable rates of movement

Details Toy helices having variable rates of movement Toy helices having variable rates of movement

2006-09-12

2010-06-08

Ricci, John (Department: 3711)

Amusement devices: toys

Resilient toy or actuator

C267S166000, C267S180000

Reexamination Certificate

active

07731562

ABSTRACT:
Toy helices each having a variable rate of movement. The toy helices, such as springs and coils, for example, may be formed of at least two different types of material each having different properties such as elasticity, flexibility, and attraction. In one embodiment, a first portion of a toy helix may be constructed of a first material having a first elasticity and a second portion of a toy helix may be coupled to the first portion and constructed of a second material having a second elasticity. The first elasticity and second elasticity are not identical and, thus, have different restoring forces acting to return the toy helix to its original shape. After such a toy helix is stretched, for example, the helix has a variable rate of movement during return to the compressed state because the first portion returns to its original shape at a different rate than the second portion.

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patent: 6193225 (2001-02-01), Watanabe
patent: 6944899 (2005-09-01), Gladney

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