Patent ID: 8002292
Filing Date: 2011-08-23
Classification: A47J

Abstract:
1. A cart comprising: a storage structure; a cart base supporting said storage structure; at least one swivel caster supporting said cart base, said swivel caster including a wheel base, said swivel caster swivelling on the wheel base about a substantially vertically extending axis; a locking mechanism mounted to said wheel base of said swivel caster and engaging said swivel caster in a locked position to prevent swivel action thereof; biasing means for biasing said locking mechanism toward the locked position; an actuator operable (a) when actuated to move said locking mechanism from the locked position thereby to allow swivel action of said swivel caster, and (b) when deactivated to permit said locking mechanism to be biased toward the locked position by said biasing means to engage said swivel caster, so as to prevent swivel action thereof, when said swivel caster is rotated about its axis to a single predetermined position; and operating means located on said cart base for operating said actuator.