Patent ID: 8836357

Claim:
A probe system comprising: a plurality of spaced apart height-variable legs, each of which is composed of a stack of blocks magnetically attached to each other; a platen bridging and magnetically secured to the tops of said legs; and a probe positioner magnetically attached to the top of said platen, wherein said probe positioner includes a positioner base magnetically secured to the top of said platen, an xyz-axes position adjuster mounted on said positioner base, a first link connected to said xyz-axes position adjuster, a second link, a first ball joint interconnecting said first and second links, a third link, a rotary connector connected between said second and third links, a chuck unit, and a second ball joint connected between said third link and said chuck unit, wherein said xyz-axes position adjuster includes an adjuster base that is secured to said positioner base and that has a first guide rail extending in an x-axis direction, a first slide engaging slidably said first guide rail and having a second guide rail extending in a y-axis direction, a first adjuster screw attached rotatably to said adjuster base to extend in the x-axis direction and threadedly engaging said first slide, a second slide engaging slidably said second guide rail and having a third guide rail extending in a z-axis direction, a second adjuster screw attached rotatably to said first slide to extend in the y-axis direction and threadedly engaging said second slide, a third slide engaging slidably said third guide rail, and a third adjuster screw attached rotatably to said second slide to extend in the z-axis direction and threadedly engaging said third slide.