Patent ID: 7857329

Claim:
A service cart comprising: a supporting frame; a fixing shelf secured to the supporting frame; two guideways respectively fixed at two opposite sides of the supporting frame, wherein each of the guideways is enclosed by an elongated first slideway and an elongated angle iron, the first slideway has a U-shaped cross section and an open side oriented toward the fixing shelf, and the angle iron has an L-shaped cross section with an open side oriented away from the fixing shelf and is coupled to the open side of the first slideway; and a movable shelf movably mounted to the supporting frame and located below the fixing shelf, wherein the movable shelf comprises two second slideways respectively formed at two opposite sides thereof, and the two second slideways are respectively movably engaged in the two guideways and can move horizontally along the guideways to extend out of the supporting frame along any of two opposite directions of the service cart.