Patent ID: 7331428

Claim:
A wheel assembly for luggage comprising: a base, which is fixed to a bottom side of the luggage, having an upper bore; a frame, rotatably engaged on the base, having a lower bore; a wheel, which is pivoted on the frame, having a running portion and at least one stop portion, wherein the running portion has a diameter greater than that of the stop portion; and a brake device including a switch member, a driven shaft and a brake member, wherein the switch member has an activating end exposed out through a slot in the base, a central portion pivoted in an interior of the base and a driving end pivoted to the shaft, wherein at least one spring is compressed between the driving end of the switch and the base into respective abutting engagement therewith, wherein a user can move the switch between a first switch position and a second switch position, wherein the driven shaft is received in the upper bore of the base and the lower bore of the frame with a top member, wherein the brake member has a stop portion connected to a bottom end of the driven shaft; wherein when the switch member is moved to the first switch position by the user, the driven shaft is moved along a first shaft direction so as to move the stop portion of the brake member into engagement with the stop portion of the wheel and held there by the spring, and when the switch member is moved to the second switch position by the user, the driven shaft is moved along a second shaft direction so as to move the stop portion of the brake member out of engagement with the stop portion of the wheel and held there by the spring.