[ii] 4,243,968 [45] Jan. 6, 1981
[54] TEMPERATURE SENSING UNIT, PARTS THEREFOR AND METHODS OF MAKING THE SAME
[75] Inventor: Douglas R. Scott, Knoxville, Tenn.
[73] Assignee: Robertshaw Controls Company,
Richmond, Va.
[21] Appl. No.: 33,331
[22] Filed: Apr. 25, 1979
[51] Int. CI.3 H01C 3/04
[52] U.S. a 338/28; 29/613;
338/25; 338/334
[58] Field of Search 338/22, 23, 24, 25,
338/28, 229, 333, 334; 29/612, 613; 73/362 AR
[56] References Cited
U.S. PATENT DOCUMENTS
3,919,680 11/1975 Ueno et al 338/22 R X
4,134,095 1/1979 Reddy 338/25
4,155,063 5/1979 Bowman 73/362 AR X
4,166,389 4/1979 Montren 73/362 AR X
Primary Examiner—C. L. Albritton
Attorney, Agent, or Firm—Candor, Candor & Tassone
[57] ABSTRACT
A temperature sensing unit having a housing provided with a chamber therein leading from a temperature sensing area of the housing to a connector area of the housing and having an electrical temperature sensor disposed in the sensing area and interconnected by leads to electrical connectors disposed in the connector area with a preformed one-piece resilient sealing member being disposed in the chamber to sealingly seal itself to the housing and secure the sensor, leads and connectors in place, the sealing member having been formed separately from the leads, connectors, sensor and housing.
40 Claims, 15 Drawing Figures
