US Patent 9454917 Display wall mount

A display mount includes roll, yaw, and pitch adjustments to precisely position the display. A wall mount is secured to a room wall. A roll axis is provided by a first vertical plate pivotally engaging a horizontal stud held by the wall mount. A first horizontal plate is fixed to the first vertical plate. A yaw axis is provided by a vertical stud pivotally attaching a second horizontal plate to the first horizontal plate. A second vertical plate is fixed to the second horizontal plate. A pitch axis is provided by a second horizontal stud pivotally attaching a third vertical plate to the second vertical plate. The third vertical plate includes a display engaging clamp or mount. Cork clutch disks residing between pivoting surfaces provide a clutching function retaining hand adjustments.