| 摘要 |
A central vacuum cleaning system hose handle uses a battery, and has a batte ry compartment and a battery housing. Battery housing is interchangeable with power plug housin g. When housing is drawer then drawer and handle have slide mechanism on which drawer extend s in and out. First stop limits depth drawer can slide in. Second stop limits depth drawer can extend out. External access prevented when drawer extended to first stop, permitted when drawer extended to second stop. Releasable locking mechanism inhibits drawer from extending out when handle in use. Crib releasably retains battery. Spring electrical contacts at opposing ends of crib. Crib generally formed to profile of battery. Drawer oriented generally parallel t o longitudinal wand adapter axis of handle, crib opening away from axis. Alternatively, housing has body with internal chamber to receive battery and an opening to provide access through an aperture in the handle to the chamber.
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