Mounting for a bimetal coil thermometer and having an integral f

Details Mounting for a bimetal coil thermometer and having an integral f Mounting for a bimetal coil thermometer and having an integral f

1994-09-23

1997-11-11

Dombroske, George M.

Thermal measuring and testing

Temperature measurement

Mechanical

374 1, G01K 1500, G01K 500

Patent

active

056856423

ABSTRACT:
An analog thermometer of the bimetal coil type has a rotatable hub carrying the bimetal coil. The thermometer is calibrated to indicate exact ambient temperature by rotating the hub to the proper angular position. The hub and the base supporting the hub are designed to allow fabrication as a unitary molded plastic article. A preferred embodiment of this design comprises at least four inwardly projecting tabs carried in an opening in the base and spaced from each other around the periphery of the hole. The hub has at least four outwardly projecting tabs spaced about its periphery. The angles which each of the hub's tabs and the hole's tabs subtend and the tabs' axial positions allow the hub to be rotated to interleave the tabs, restraining the hub in a predetermined axial position and frictionally fixing the hub in the angular position for calibration.

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