| 摘要 |
The present invention includes a flexible hose with at least two end fitting. The first end fitting is inserted into the wall valve of the central vacuum cleaner system. The first end fitting is generally rectangular in shape and may have a kill switch located thereto. The first end fitting may be used as a receiver. In addition the first end fitting may include a generally cylindrical coupling member. The coupling member may include at least one contact member. The contact member may be located on the outer circumferential surface of the coupling member. The second end fitting may be shaped like a handle for controlling the power head. In addition the second end fitting may be used as the transmitter. Located on the second end fitting may be an indicator light that lets the user know if the handle is transmitting to the first end fitting.
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