Patent ID: 7798457

Claim:
A pivot support device, for using in combination with a housing, comprising: a base plate configured to be fixed to said housing, said base plate including a first guidance member; a support member having a pivot end, said pivot end being rotatably coupled to said base plate and including a first positioning device; and a cover disposing on said pivot end of said support member, said cover moving in combination with said pivot end and including a second positioning device and a second guidance member; wherein said second guidance member is movable along said first guidance member while engaging with said first guidance member, enabling both said cover and said support member to move with respect to said base plate, and said second positioning device engages with said first positioning device so as to restrict a relative displacement between said cover and said support member, wherein a circular arc-shaped rim of said base plate forms said first guidance member, and wherein said circular arc-shaped rim has a plurality of breaches, and when said second guidance member moves to the position facing said breach, said first guidance member enables said second guidance member to move in a direction normal to said second guidance member.