Abstract: Apparatus for conveying counterweights and retaining springs from magazines and a spring supply device to insertion heads of a wheel balancing installation includes a single transfer unit that simultaneously conveys retaining springs and counterweights from the respective magazines and insertion device to the insertion heads along a rigid rectilinear guide. The transfer unit has pockets with releasable clamps for the counterweights and springs. The clamps are controlled by a reciprocatory cam assembly outside of the transfer unit.

Abstract: Delivery apparatus for carrying a plurality of balance weights for automobile wheels and delivering a suitable weight to an insertion device to fit the weight on the rim of a wheel in a predetermined circumferential position. The balance weights have parallel through bores and the insertion device includes a pair of spaced mandrels receivable in the through bores of the weights to carry the weights from a storage compartment to an automobile wheel and install the weight on the rim at the predetermined position. The apparatus includes a clip applying apparatus to force a retaining clip over the balance weight and the wheel rim to secure the weight to the rim.