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US 2002/0154090 A1Published application
Ergonomic scrolling device
AssigneeSilitek Corporation
InventorWinky Lin
Life of this patent
Estimating the term…
Abstract
An ergonomic scrolling device comprises a shell and a rolling wheel. The rolling wheel is pivotally connected to the shell. The shell has an axial shaft perpendicular to the axis of the rolling wheel and on external surface of the shell. The shell is rotatable around the axial shaft such that the shell can be rotated leftward or rightward. The rolling wheel is also rotated as the axial shaft as pivot to a specific angle for providing more convenience to user.
Claims2
An ergonomic scrolling device, comprising
- a shell of semi-sphere shape or semi-cylinder shape, and having a through hole on top side thereof;
- a rolling wheel having an axial bar pivotally connected to the shell and top portion thereof exposing out of the through hole of the shell;
- and
- an input means on top surface thereof the shell is mounted.
1 more element
Dependencies are inferred from the claim text.