Abstract: A receiver hitch mounted bike rack with an anti-rattle mechanism includes a main tube that is received in the interior of a standard receiver hitch of a vehicle. The rack includes a pair of lateral wheel rails that each receive the front wheel or fork of a bike. An upright tube corresponding to each lateral wheel rail receives the bottom bracket of the bicycle. The bottom bracket rests in a groove on a top side of the upright tube, and the pedal arm is secured in the interior of the upright tube. One side of the upright tube, the side opposite the wheel, includes an elongated slot that accommodates the pedal of the bicycle.

Abstract: A manually operated pallet changer system for use with automatic machine tools includes a pallet changer and a compatible machine tool mounted pallet receiver. The pallet changer includes a massive, floor supported base to which a cantilevered first platform is pivotally attached for rotation between a pallet-exchange position and a work-setup position. A second platform rests atop the first platform and supports a pair of work pallet guides. The two platforms are rotatably attached near their centers so that the pallet guides can be interchanged by rotating the upper platform about its center by 180°. The configuration permits the platforms to be rotated as a unit away from a machine tool to the work-setup position. Work pallets are assembled and then the platforms are rotated together into the pallet-exchange position in which one of the pallet guides is aligned for transferring a work pallet to the machine tool mounted pallet receiver.