Patent ID: 6522321
Filing Date: 2003-02-18
Classification: G06F

Abstract:
A roller retainer for the third axis of a mouse comprising:a seat including a microswitch and an infrared transceiver module seat; an upper cover including a cover and a key body, the key body having formed thereon a plurality of grooves at a rear portion thereof, the cover having disposed on an inner surface thereof a plurality of tenons, the tenons being inserted into the grooves to affix the key body to the cover, the cover being combined with a casing of the seat; and a roller seat having a hole in a rear end thereof, at least one of the plurality of tenons on the cover being inserted in the hole of the roller seat to affix the rear end to a housing of the mouse so as to be suspended therefrom, the roller seat being configured with respect to the micro switch of the seat and is spaced therewith, by aforesaid structure, the roller seat will not occupy any space of a circuit board on the seat, the roller seat moves upwards or downwards by plastic elasticity thereof.