Patent ID: 8035615
Filing Date: 2011-10-11
Classification: G06F

Abstract:
1. A user input device for use with a computing device, the user input device including a housing and a scroll wheel assembly coupled to the housing, the scroll wheel assembly comprising: a scroll wheel including a ring-shaped body having a surface including an outer circumferential surface and an inner circumferential surface that bounds a hollow interior, the scroll wheel being configured to extend through an opening of the housing, the outer circumferential surface being configured to be contacted by a digit of a user; and a scroll wheel support structure including a frame and a plurality of supports mounted to the frame and contacting the surface of the scroll wheel, at least one of the plurality of supports positioned on the outer circumferential surface of the scroll wheel and configured to provide upward force on the scroll wheel, and at least one of the plurality of supports configured to provide downward force on the scroll wheel to rotatably secure the scroll wheel to the scroll wheel support structure.