Variable resistor
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United States of America Patent
Stats
-
Sep 13, 2016
Grant Date -
Jul 28, 2016
app pub date -
Apr 1, 2015
filing date -
Jan 22, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A variable resistor includes a shell, an inverted circuit module, and a manipulating device. The shell has a shell position restriction hole and an allocation space linked to the shell position restriction hole. The inverted circuit module is fixed in the allocation space and includes a circuit board and a plurality of connecting ends located on the circuit board. The circuit board has a circuit board position restriction hole and a resistance circuit on a rear surface thereof. The manipulating device is slidably assembled in the allocation space and includes a brush base, at least a metal brush, and a bar. The metal brush is fixed on a front surface of the brush base and elastically presses against the resistance circuit. The bar is connected to the brush base and extended outward through the circuit board position restriction hole and the shell position restriction hole.
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