发明名称 Device for facilitating maintenance of a trackball
摘要 The invention relates to a device for facilitating maintenance of a trackball. The device comprises a trackball, a cover inside which the trackball is attached, the cover comprising an opening allowing a movable part of the trackball to appear in order to operate the movable part from outside the cover, the trackball comprising maintenance means. According to the invention, the device comprises means for gaining access to the means of maintaining the trackball from outside the cover.
申请公布号 US2006007156(A1) 申请公布日期 2006.01.12
申请号 US20050529240 申请日期 2005.03.25
申请人 发明人 POLITZER DAVID;DUFAL JEROME;BERTHOU NICOLAS
分类号 G09G5/08;G06F3/033;G06F3/0354 主分类号 G09G5/08
代理机构 代理人
主权项
地址