Patent ID: 7070188
Filing Date: 2006-07-04
Classification: A47D,B60B

Abstract:
1. A support frame comprising a plurality of wheeled assemblies and at least one support member, each of the wheeled assemblies mounted near corners of the support frame, and each of the wheeled assemblies including: a housing having a first end for receiving the at least one support member; a rotatable member, mounted in said housing for rotation about a first axis, and having at least first and second locking apertures; a wheel assembly, having a support shaft engaging the rotatable member and being movable with rotation of said rotatable member; and a locking member having a locking portion and being movably mounted on said housing between a first position in which said locking portion is engaged with said rotatable member and a second position displaced from said rotatable member, whereby the rotatable member is prevented from rotation when the locking portion extends into one of said locking apertures.