US Patent 7159270 Vacuum cleaner adapters and assemblies including the same

Adapter for connecting a vacuum cleaner hose to a canister housing or a handle assembly and hose assemblies including the same. One adapter includes an outer sleeve matable with the canister housing and having electrodes, a hose engagement sleeve arranged at least partially in the outer sleeve and positioning wires of the hose in alignment with the electrodes, and an annealing ring arranged at least partially in the hose engagement sleeve such that a space is provided between the hose engagement sleeve and the annealing ring in which the hose is situated. When the annealing ring is annealed, the wires will be held in contact with the electrodes. Another adapter includes an outer sleeve matable with the canister housing, a hose engagement sleeve arranged at least partially in the outer sleeve and having electrodes, and an annealing ring arranged at least partially in the hose engagement sleeve.