| I.P Abstract & Summary |
The invention relates to a trolley comprising: a plate part comprising a plate; a support frame comprising an upper support frame supporting the plate, a lower support frame mounted swiveling to the upper support frame by a hinged joint, and a frame support that maintains the fixed state between the upper and lower support frames; and a moving apparatus to which the support frame is mounted detachable, the moving apparatus comprising a guide frame which allows the lower support to fold and support and be extended in the length direction, a drive frame comprising a rear wheel assembly which the front wheel assembly is connected in a 'ᄀ' shape to the front part of the guide frame and the rear wheel assembly which has a mounting axle made on both sides of the rear end of the guide frame, the front wheel supported by a support fork for mounting on the front wheel assembly, and the rear wheel mounted on the rear wheel assembly via a rear wheel mounting axle. |