Patent ID: 7513473

Claim:
An anchor structure for electronic devices, comprising: a first bar which has a housing space formed in a portion of the interior thereof; a second bar; a third bar; a first hinge means which includes a first axle pivotally coupled on one end of the first bar, the second bar being fastened to the peripheral surface of the first axle so that the second bar is swivelable relative to the first bar through the first axle; a second hinge means which includes a second axle pivotally coupled on other end of the first bar, the third bar being fastened to the peripheral surface of the second axle so that the third bar is swivelable relative to the first bar through the second axle; and a fastening means having a handle which has a hinge portion on a bottom end to run through the first bar and fasten to a cam in the housing space, the cam having a first protrusive portion and a second protrusive portion on two opposite sides to form respectively a selected surface profile, the housing space holding a first brake element and a second element that are slidable and corresponding respectively to the first axle and the second axle such that turning of the cam selectively moves the first brake element and the second brake element to positions to escape the first axle and the second axle or to other positions to form a tight contact with the first axle and the second axle.