Thermometer or other instrument assembly

Details Thermometer or other instrument assembly Thermometer or other instrument assembly

1982-05-28

1984-05-01

Goldberg, Gerald

Thermal measuring and testing

Temperature measurement

Mechanical

374206, 116221, 73431, G01K 568

Patent

active

044457898

ABSTRACT:
The circular crystal of a temperature indicating instrument has a circular flange rotatable in a channel in the instruments' casing. Fingers on the casing have teeth which mesh with teeth on the flange. The fingers yieldably hold the crystal in place but the crystal can be forcibly rotated.
The crystal has a slotted post thereon and on said post is a bimetallic spiral coil the inner end of which is in the post's slot. Another post in the casing covers the slot to keep the coil in place on the former post.
On the back of the casing is a supporting bracket adjustable to several positions.

REFERENCES:
patent: 654893 (1900-07-01), Hertshorn
patent: 1020045 (1912-03-01), Merryman
patent: 3051001 (1962-08-01), Laviana et al.
patent: 3338103 (1967-08-01), Lohrs et al.
patent: 3952598 (1976-04-01), Ferguson et al.
patent: 4154110 (1979-05-01), Peart et al.

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