Signals and indicators – Indicators – Temperature responsive or compensating means
Patent
1982-05-20
1984-07-10
Yasich, Daniel M.
Signals and indicators
Indicators
Temperature responsive or compensating means
116294, 374104, 374206, G01K 570, G01D 1116, G01D 1324
Patent
active
044586248
ABSTRACT:
A temperature verification device employs a coiled bimetallic strip having its temperature responsive, rotatable outer end engaged with an indicator flag which is connected with a finger-like projection spaced outwardly from the indicator flag. A stop member is provided in the path of the distal end of the finger-like member and is adapted to engage the distal end when the flag member is moved in one direction, for example, clockwise. Movement of the flag member in the opposite direction can be achieved because the resilient finger-like member will slide past the stop member. All of the structure is confined in a casing having an opening through which the flag indicator may be observed under certain conditions. The stop member can be positioned at any selected location about the periphery of the casing to function as a holding means for the flag indicator at a preselected temperature threshold. Reversal of the orientation of the bimetallic strip permits the temperature threshold to be a maximum temperature or a minimum temperature.
REFERENCES:
patent: 1795076 (1931-03-01), Crowley
patent: 1932159 (1933-10-01), Gruver et al.
patent: 2209539 (1940-07-01), Ruopp
patent: 2681635 (1954-06-01), Bowen
patent: 3796101 (1974-03-01), Howard
patent: 4081999 (1978-04-01), Lenken
patent: 4169381 (1979-10-01), Skopil
Keck Harry B.
Schobl Enterprises, Inc.
Yasich Daniel M.
Zurawsky Lawrence G.
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