Patent ID: 6502669
Filing Date: 2003-01-07
Classification: B60B,B62B,Y10T

Abstract:
A security device for a transport device, possessing a frame and a swivel caster having a wheel, the swivel caster pivoting about a vertical axis, comprising:a. a housing, said housing including a top cover having a bulbous wall and a bottom cover having a crescent shaped cutaway wherein said bulbous wall and said crescent shaped cutaway define a circumscribing well characterized by an open space vertically extending through the bottom housing cover; b. said housing operatively coupled between the frame of the transport device and the swivel caster having a wheel; c. an extension having at least one opening, said extension being at least partially received within said housing and rigidly coupled to the swivel caster; and d. means positioned within said housing for coacting with said at least one opening of said extension and for precluding motion of the swivel caster about the vertical pivot axis for substantially inhibiting the direction of travel of the transport device to a restricted circular path while allowing free rotation of the wheel.