Electricity: electrical systems and devices – Electrostatic capacitors – Variable
Patent
1984-12-06
1987-03-10
Griffin, Donald A.
Electricity: electrical systems and devices
Electrostatic capacitors
Variable
H01G 506
Patent
active
046494596
ABSTRACT:
A cover sheet for sealingly covering the rotatable head of an adjustable electric device such as a potentiometer, trimmable capacitor or the like. The cover sheet is provided over a screwdriver opening through which the device's capacitance, resistance or the like is set. The cover sheet is formed at the opening and is bonded to the inner peripheral surface of an edge portion which defines the opening. Thereby, the rotary electric device is closed. The cover sheet is preferably formed of a silicone adhesive material.
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Griffin Donald A.
Murata Manufacturing Co. Ltd.
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