Education and demonstration – Means for demonstrating apparatus – product – or surface... – Land or water vehicle or component thereof
Patent
1985-09-23
1987-03-24
Skogquist, Harland S.
Education and demonstration
Means for demonstrating apparatus, product, or surface...
Land or water vehicle or component thereof
30448, G09B 2500
Patent
active
046522433
ABSTRACT:
A display for demonstrating puncture sealant tires includes a housing for supporting a tire in an upright position having a base supporting an upstanding frame, a tire restraint on the frame for holding the tire in its upright position, and a pair of spaced apart rollers rotatably mounted on the base for permitting rotation of the tire with respect to the housing to any desired position. A spike member is mounted on a handle assembly which in turn is pivotally mounted on the housing frame for movement between a first non-puncturing position and a second tire puncturing position. A spring in the form of a flat resilient plastic member is mounted on the handle assembly and acts in opposition to the movement of the handle assembly to bias the handle assembly to its first non-puncturing position.
REFERENCES:
patent: 970170 (1910-09-01), Bishop
patent: 1452287 (1923-04-01), Burke
patent: 2469307 (1949-05-01), Mechling
patent: 3203088 (1965-08-01), Voll
patent: 3444629 (1969-05-01), Ward
patent: 3478445 (1969-11-01), McAfee
patent: 3894420 (1975-07-01), Fuchslin
patent: 4082265 (1978-04-01), Berkes
patent: 4348891 (1982-09-01), Stickler
Frank Mayer & Associates
Skogquist Harland S.
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