Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1986-05-09
1987-12-29
Scott, J. R.
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
174 48, 200296, 220 38, 220331, 248 271, 361346, H05K 700
Patent
active
047164964
ABSTRACT:
A molded cover control station having transverse upper and lower grooves spaced apart by a distance less than the vertical dimension of a panel opening has a resilient gasket positioned against a rear flange, the gasket having a resilient protrusion which is received within the lower groove. Insertion of the control station housing from the rear of the panel such that the lower edge of the panel opening engages the resilient protrusion within the lower groove enables the resilient protrusion to be compressed an amount sufficient to enable the upper end of the housing to be swung forwardly through the opening to align the upper groove with an upper edge of the panel opening. The resiliency of the protrusion within the lower groove biases the housing upwardly to effect engagement between the upper groove and upper edge of the panel opening, and a screw carried by the housing is turned inwardly to project into the lower groove just above the lower edge of the panel opening to bear the weight of the control station and prevent the protrusion from being compressed.
REFERENCES:
patent: 2183372 (1939-12-01), Thoma
patent: 2746635 (1956-05-01), Ammon
patent: 3549828 (1970-12-01), Lang
Eaton Corporation
Rowe D. A.
Scott J. R.
Thompson Gregory D.
Vande Zande L. G.
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