Patent ID: 6992882
Filing Date: 2006-01-31
Classification: G06F,Y10S

Abstract:
1. An auto-locking support structure constructed in a split base of a portable computer, said split base comprising a pivot joint at a top side thereof, a pivot hole axially disposed in parallel to said pivot joint, sliding track means transversely extended between said pivot joint and said pivot hole, and at least one recessed retaining hole, the auto-locking support structure comprising: a cover plate, said cover plate having a coupling portion pivoted to said pivot joint, and at least one retaining projection corresponding and adapted to engage with said at least one recessed retaining hole; a pivot shaft, said pivot shaft having a coupling end formed at one end thereof and pivoted to said pivot hole of said split base, a free end formed at an opposite end thereof, and at least one supporting bar perpendicularly extended from the periphery thereof between said coupling end and said free end; a spiral spring sleeved onto the coupling end of said pivot shaft, said spiral spring having a first end fixedly connected to said pivot shaft and a second end fixedly connected to said split base, said spiral spring adapted to impart a biasing force to rotate said pivot shaft along said pivot hole and to impart an axial pre-stress to move said pivot shaft axially; a link, said link having a top coupling end pivotally connected to a part of said cover plate beyond the coupling portion of said cover plate, and a bottom coupling end; and a slide pivoted to the bottom coupling end of said link and movable in said sliding track means of said split base, said slide having a beveled portion stopped against the free end of said pivot shaft.