Patent ID: 8415577
Filing Date: 2013-04-09
Classification: B60K,G05G,H01H

Abstract:
1. A rotary control assembly for a handheld radio, comprising: a housing; a top bezel having a sleeved aperture, a recessed portion and a slot integrally formed therein; a bottom bezel having a through hole aligning with the sleeved aperture; an off-the-shelf rotary switch control having a base and a shaft extending from the base, the base being coupled below the through hole of the bottom bezel while the shaft protrudes through the through hole; a shaft extender coupled to the shaft of the rotary switch control above the through hole, the shaft extender having a toothed gear element, the shaft extender protruding through the sleeved aperture of the top bezel while the toothed gear element is captured by the recessed portion of the top bezel a control knob mounted over the shaft extender; a ball plunger fitted within the slot of the top bezel such that the ball plunger makes contact with the toothed gear element, and wherein the control knob controls turning the shaft extender, the shaft extender controls turning the toothed gear element and the shaft, the toothed gear element making contact with the ball plunger thereby generating a clicking tactile feedback in response to the control knob being turned.