Patent ID: 8424158
Filing Date: 2013-04-23
Classification: B60B,Y10T

Abstract:
1. A caster assembly comprising: an attachment means for attaching the caster assembly to a base of an object; a caster yoke coupled to the attachment means, a first swivel brake coupled to the caster yoke; a second swivel brake coupled to the caster yoke; a wheel brake coupled to the caster yoke; and a cam assembly operable in at least three states, wherein the cam assembly is coupled to the caster yoke, the cam assembly comprising: wherein when the cam assembly is in a first state, the wheel is operable to rotate freely about the wheel axis and the caster yoke is operable to swivel freely relative to the attachment means; wherein when the cam assembly is in a second state, the cam disposes the swivel lever mechanism such that the first swivel brake is engaged to lock the caster yoke in a predetermined orientation relative to the attachment means while the wheel is allowed to rotate freely; and wherein when the cam assembly is in a third state, the cam disposes the brake lever mechanism such that, simultaneously, the wheel brake is engaged to stop the wheel from rotating freely about the wheel axis and the second swivel brake is engaged to stop the caster yoke from swivelling relative to the attachment means.