Education and demonstration – Means for demonstrating apparatus – product – or surface... – Land or water vehicle or component thereof
Patent
1989-09-14
1990-08-28
Apley, Richard J.
Education and demonstration
Means for demonstrating apparatus, product, or surface...
Land or water vehicle or component thereof
434365, G09B250000
Patent
active
049521543
ABSTRACT:
Devices for demonstrating the effect that eccentricities in a tire and rim can have when the combination is rotated having a circular member representing a rim mounted for rotation about a center different from its geometric center and an annular member representing a tire with a varying radial dimension is positioned and retained at a plurality of angular positions on the circle member. An indicator operatively associated with the annular member represents the resulting eccentricity of both members. A similar hand-held device represents that combined eccentricity by conveying vibrations through a handle to the operator's hand.
REFERENCES:
patent: 2492066 (1949-12-01), Schildmeier
patent: 2950565 (1960-08-01), Bridges
patent: 3716297 (1973-02-01), Carter
patent: 3901503 (1975-08-01), Klose
patent: 3987557 (1976-10-01), Valentine
patent: 4078339 (1978-03-01), Ongaro
patent: 4674987 (1987-06-01), Sober
patent: 4817429 (1989-04-01), Goebel
Welch College Physics Apparatus; "Maxwell's Top"; 1965; p. 41.
Davidson Niall F.
Pruitt Carl W.
Apley Richard J.
Healey Rachel M.
Kamp Ronald C.
Megley R. B.
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