Toy

Details Toy Toy

1988-04-11

1989-09-26

Halvosa, George E.

Amusement devices: toys

Resilient toy or actuator

267157, 2671661, 267199, 267204, 267250, 267272, 267288, 267290, 446 69, 446473, A63H 3300

Patent

active

048697044

ABSTRACT:
Spring-like element for use as a toy or the like consisting of a coil of copper tape of high width-to-thickness ratio forming an elongated frusto-conical structure that exhibits spring characteristics combined with dry friction damping.

REFERENCES:
patent: 144600 (1873-11-01), Bussell
patent: 148991 (1874-03-01), Schoen
patent: 337048 (1886-03-01), Davis
patent: 840027 (1907-01-01), Stucki
patent: 1718792 (1929-06-01), Main
patent: 2390937 (1945-12-01), Holland
patent: 2495967 (1950-01-01), Hamilton
patent: 2751179 (1956-06-01), Oravec
patent: 3300042 (1967-01-01), Gordon

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