Amusement device

Details Amusement device Amusement device

1984-08-06

1985-09-24

Skogquist, Harland S.

Education and demonstration

Science

Physics

273161, 446396, G09B 2306

Patent

active

045430675

ABSTRACT:
A light weight elongated tubular structure is counter-balanced by a depending weight around a pivot formed by a sharp point in contact with a hard flat horizontal surface, rotating around its pivot point in response to a user's approach to the remote end of the structure.

REFERENCES:
patent: 1646830 (1927-10-01), Mueller
patent: 3623239 (1971-11-01), Maslokovets
patent: 3750308 (1973-08-01), Nelson
patent: 3877697 (1975-04-01), Lersch

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