Patent ID: 6560100
Filing Date: 2003-05-06
Classification: G06F

Abstract:
A portable computer provided with a battery add-on capability, said computer comprising:a portable computer body having an upper surface, a lower surface and a lower front edge, the upper surface having a front edge and the lower surface having a rear region; mounting means for detachably mounting on the lower surface of said portable computer body an add-on battery having a wedge-shaped portion corresponding to a wedge-like space defined between the rear region of the lower surface of said portable computer body and a surface on which said portable computer body is placed, when said portable computer body is placed to be inclined about said lower front edge of the portable computer body, said mounting means comprising: guide means including a recessed area defined in the lower surface between left and right side areas of the rear region, the recessed area having right and left walls, a front wall, and a rear opening, a pawl fixed at an upper edge of the recessed area and adjacent to a corresponding wall thereof, and a guide groove defined by the pawl and the corresponding wall and along which the add-on battery is first guided toward the lower surface of said portable computer body and then guided forward with respect to said portable computer body, whereby the guide groove catches a corresponding pawl fixed to a bottom edge of a protruding surface portion of the add-on battery, and the wedge-shaped portion of the add-on battery extends rearward from the rear opening of the recessed area and downward from the lower surface of said portable computer body, locking means for automatically locking the add-on battery to the lower surface of said portable computer body when the add-on battery is guided forward with respect to said portable computer body, and releasing means for releasing the locking means to allow the add-on battery to be removed from said portable computer body along the guide groove; and whereby said portable computer body, when it is equipped with the add-on battery, is inclined in such a manner that the upper surface of said portable computer body is lower at a front edge thereof.