Adjustable mobile phone holder

Claim 1

An adjustable mobile phone holder comprising: a lower housing having thereon a plurality of screw holes; an upper housing matched with said lower housing, said upper housing having an underside and a top side, a plurality of screw holes on the underside for connecting to said plurality of screw holes on said lower housing by screws; two guide blocks longitudinally inward extended a length of distance over the underside of the upper housing, an opening cut from and along a portion of an outer wall of each of the guide blocks respectively, a one-way toothed portion formed on a lower inner side of each of said openings, a rib disposed between said two guide blocks; a pivot pin on the underside for mounting thereon of a catch means; said catch means comprising a catch knob at one end, a toothed catch on one side, a stop catch on a back side, a round head at another end for mounting thereon of a torsion spring; said torsion spring having one leg thereof hooking up to said stop catch; a stop pin on the underside for hooking up thereto another leg of said torsion spring; two channels on the top side of the upper housing, a shank upstanding between said two channels for mounting thereon of a knurl to be covered by a cover plate; a left plate combination comprising a horizontal plate having a first toothed section on an inner side for engagement with said knurl, and a vertical plate being perpendicular to said horizontal plate and having two channels on opposite sides for insertion therein of an insert plate; a right plate combination designed to be exactly the same as said left plate combination, but operating in an opposite direction; a slide block comprising a base disposed between two prongs, said prongs each having a push button extended outward from a front end and connected thereto by a toothed member for engagement with each of said toothed portions on said upper housing respectively; wherein said left and right plate combinations are movably inserted into the two channels on said upper housing respectively for adjustment in width, and with the movement of the insert plates for adjustment in thickness, and said slide block being movably inserted into said upper housing between said two guide blocks for adjustment in length.