Wheel assembly component part group for hand cart

摘要

The wheel assembly component part group comprises a wheel (10), a vertical support post (50) with a hole (501) extending crossways through its lower end, and a wheel axle (51), which is provided with one end (511) through the hole in the support post. The component part group has a retainer (20), which is fixed in the wheel and is provided with a first tubular part piece with a coaxial longitudinal bore (25). A pair of first right-angled extensions (22) have a recess (24) and are formed on the tubular part piece. A first bore (221) is provided vertically in each of the first extensions and is connected with the corresp. recess. The end of the wheel axle extends through the longitudinal bore of the retainer and is secured in a cap (41), so that the retainer is firmly fitted on the wheel axle.