Patent ID: 7140137

Claim:
A device for holding one or more sheets, comprising: (A) a cam-based holder having: (a) a holder base, (b) a rotatable member rotatable with respect to said holder base between (1) a first zone and (2) a second zone adjacent to said first zone, (c) a compression spring for executing a cam action, and (d) a pin, said rotatable member having a first sleeve partially wrapping said pin, said holder base having a second sleeve partially wrapping said pin, said rotatable member being rotatable, by applying an external force, between (i) said first zone for activating said cam action whereby said compression spring imparts a torque to said rotatable member for detachably holding said one or more sheets in said device, and (ii) said second zone in which said rotatable member is detached from said one or more sheets and will remain in said second zone once said applied external force is removed.