Valve hand wheel cover

Details Valve hand wheel cover Valve hand wheel cover

1978-05-11

1979-08-28

Hart, Ro E.

Machine element or mechanism

Control lever and linkage systems

Elements

745585, 150 52L, 150 52R, B62D 106

Patent

active

041656598

ABSTRACT:
A cover formed of plastic material dimensioned and shaped to fit over a circular valve hand wheel having a ring of alternate ribs and recesses, the cover having an opening approximating the diameter of the recesses and yieldable to stretch over the ring of ribs for retension thereby; the cover being translucent to expose information appearing on the hand wheel, such as to indicate the direction in which to turn the hand wheel in order to open or close the valve; the cover also having areas for embossing or otherwise applying further information.

REFERENCES:
patent: 1410605 (1922-03-01), Schacht
patent: 1564957 (1925-12-01), Heyn
patent: 2985552 (1961-05-01), Watanabe
patent: 3468188 (1969-09-01), MacCoon
patent: 3768503 (1973-10-01), Billington

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