Patent ID: 8104205

Claim:
A sign stand assembly comprising: a base member; an upstanding sign display member; and a resilient spring member positioned between said base member and said sign display member and connected said sign display member to said base member; said base member comprising a blow molded member having at least one hollow compartment herein for placement of a ballast substance therein; said base member having an upper surface and a lower surface connected together around their outer perimeter to form said at least one hollow compartment; a first recessed area formed in said lower surface; said upper surface and said lower surfaces being joined together in said first recessed area at a position separate from said outer perimeter to form a supporting portion for placement of said resilient spring member; said resilient spring member connected to said base member at said supporting portion; and at least one wheel member attached to said base member for selectively moving said sign stand assembly from one position to another.