Abstract: A medical infusion pump system includes a clamshell housing, a plate, and a pump. The clamshell housing includes a first shell and a second shell hingedly connected together allowing the housing to be in an open position or in a closed position. The housing defines one open end and an interior space. A plate releasably engages the housing at the open end when the housing is in the closed position. The plate defines an opening communicating with the interior space and includes attachment structure. The pump is removably attachable to the attachment structure of the plate and includes a retaining portion. When the pump is attached to the plate, the retaining portion retains the housing in the closed position.

Abstract: A vacuum cleaner construction wherein a swivel connector is secured to a top wall portion of the canister hood. The swivel connector is adapted to have unlimited rotation about the swivel axis, permitting the user to utilize the suction hose and wand of the vacuum cleaner in any position circumferentially about the canister. The swivel connector includes electrical power transfer structure for providing electrical power therethrough from the canister to electrical conductors carried by the hose and wand for use in energizing the nozzle brush motor or the like. In the illustrated embodiment, the electrical connection structure includes slip rings and cooperating sliders connected to a power receptacle mounted to the swivel member.