Patent ID: 7854335

Claim:
An apparatus for holding workpieces, comprising: a frame being substantially rectangular in shape and having two first parallel sides, each of the two first parallel sides defining a slot therein and having two rods arranged apart and parallel with each other thereby forming the slot therebetween; the frame further having two second parallel sides, each of the two second parallel sides having two L-shaped ends; each of the first sides being fixed between two corresponding L-shaped ends respectively of the second sides; and a plurality of hanging modules fixed on the frame, each hanging module comprising: a pole having two opposite ends defining two holes therein, and the pole being fixed to the two first parallel sides; a plurality of resilient members attached on the pole, the resilient members being slidable relative to the pole; and a plurality of retaining members attached on the pole, each retaining member being provided apart from each other with at least one resilient member located in-between; the retaining members having substantially different structures from the resilient members.