Drive unit for golf bag cart

Claim 1

A drive unit for a foldable golf bag cart having first and second legs, first and second axles extending horizontally from said first and second legs respectively, first and second wheels rotatably mounted on said first and second axles respectively, said cart being foldable between an operative position, wherein said wheels are spaced a fixed distance from one another, and a collapsed position, wherein said wheels are spaced a shorter distance from one another, said drive unit comprising: a leg bracket adapted to be fixedly mounted on the first leg at approximately the same height as the top of the first wheel; a motor having a rotatable drive shaft; a pinion fixedly mounted on said shaft for rotation therewith; battery means powering said motor; a switch selectively actuating said motor; means for supporting said motor on the first leg bracket, said supporting means being pivotal about said bracket between a first position when said cart is in said operative position, wherein said shaft is generally parallel to the first axle and said motor is located between the wheels and said pinion engages the ground-engaging surface of the first wheel, and a second position when said cart is in said collapsed position, wherein said drive unit is located out of its first position between the wheels and does not interfere with the wheels of the cart; and means for biasing said pinion against the first wheel when said supporting means is in said first position.