Electricity: circuit makers and breakers – Electric switch details – Cases and bases
Patent
1989-04-19
1991-05-21
Luebke, Renee S.
Electricity: circuit makers and breakers
Electric switch details
Cases and bases
24694, 4034061, H01H 902
Patent
active
050177451
ABSTRACT:
A combination of a burner control device and electrical switch unit, parts therefor and methods of making the same are provided, the combination comprising a burner control device having a rotatable selector shaft and an electrical switch unit carried by the device and being operated by the selector shaft, the device having a cover secured thereto by a plurality of screws each having a head, the switch unit having a plurality of cavities therein respectively receiving the heads of the screws therein, at least one of the cavities having a snap-fit structure therein that is snap-fitted to its respective head to hold the switch unit to the device.
REFERENCES:
patent: 1634230 (1927-06-01), Carr
patent: 2037678 (1936-04-01), Churchill
patent: 2687498 (1954-08-01), Rucks et al.
patent: 4249047 (1981-02-01), Huff et al.
Luebke Renee S.
Robertshaw Controls Company
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