Patent ID: 8358291

Claim:
A stylus, comprising: a barrel; two slide mechanisms; two housings slidably coupled to the barrel by the two slide mechanisms, respectively; and a head attached to an outer end of one of the housings, and configured to contact a touch screen of an electronic device; wherein, the two housings cooperatively surround the barrel when the stylus is in a retracted position, and are slidable along two opposite directions to elongate the stylus; wherein each slide mechanism includes a guiding post and a guiding member, the guiding member is secured within a corresponding one of the two housings and defines a guiding groove slidably receiving the guiding post; and the guiding post is secured to an end of the barrel such that the housing is slidably mounted to the barrel; wherein the housing includes a pair of fixing holes defined through a peripheral wall of one end thereof, for engaging of the corresponding slide mechanism with the end of the housing; and wherein each guiding member includes a main body and a fixing portion, the guiding groove is defined through the main body; the fixing portion defines an installing hole therethrough corresponding to the fixing holes of the housing; and a fixing post passes through the fixing holes and the installing hole, with two ends of the fixing post fixed in the fixing holes of the housing.