Patent ID: 6971622

Claim:
Supporting device for supporting a portable device on a surface, comprising: a supporting plate on which the portable device is arranged and having a first end that can be placed on said surface; a supporting frame having a substantially planar arrangement with (a) a first end that can be placed on said surface, and (b) a second end in a sliding guide located at said supporting plate; and a lever having (a) a first end pivotally mounted at said supporting frame between said first end and said second end of said supporting frame, around a first swivel axis running parallel to said surface, and (b) a second end pivotally mounted on said supporting plate below said sliding guide around a second swivel axis running parallel to said first swivel axis, wherein said sliding guide has a locking recess along an edge bordering said supporting plate, wherein said second end of said supporting frame is movable along said sliding guide for engaging said locking recess at one or more distances between said second end of said supporting frame and said second end of said lever so that said supporting plate is supported at one or more angles of elevation, and wherein, when said first ends of said supporting plate and said supporting frame are placed on a surface with said supporting plate elevated, a substantially triangular cross-section is outlined by said surface, said supporting frame and said supporting plate, said triangular cross section being spanned by said lever from said supporting plate to said supporting frame.