Patent ID: 9684330
Date: 2017-06-20
CPC Classifications: G05G,H01C,H01R,H05K,Y10T

Claim:
1. An operation member for an electronic device that comprises a casing having portions defining an opening, and a circuit module having a circuit board, the circuit board including a controller disposed thereon, the operation member comprising: a body including an operating end and a coupling end; and a skirt member arranged on the coupling end, the skirt member including a buffering wall outwardly and downwardly extending from peripheral portions of the coupling end of the body, a base plate outwardly extending from peripheral portions of buffering wall, a wall upwardly extending from peripheral portions of the base plate, and a groove defined between the wall and the buffering wall; wherein the operation member is configured to associate with the electronic device and the body passes through the opening of the casing, the body and the opening cooperatively define a gap therebetween, the groove is correspondingly arranged beneath the gap; and wherein the casing has an annular shielding structure conformingly arranged proximate to the opening, the annular shielding structure has a first blocking portion correspondingly arranged with respect to the wall and a second blocking portion correspondingly arranged with respect to the buffering wall.