| 主权项 |
1. A truck, comprising;
a truck body having a truck power source in electrical communication with said truck body; a vertical lift track attached to said truck body; a movable platform for moving along said lift track; a box attached to said truck body; a hydraulic system having a hydraulic unit within said box, said hydraulic unit having internal solenoid valves that operate in accord with control signals; a movable wireless switch attached to said platform, said movable wireless switch having a movable switch power source that powers both a movable switch controller and a movable switch RF transmitter having a movable antenna, said movable wireless switch further including a user-accessible movable switch operatively connected to said movable switch controller, wherein when said movable switch is switched said movable switch controller causes said movable switch RF transmitter to emit a movement signal from said movable antenna; a fixed wireless switch on said truck body, said fixed wireless switch having a fixed switch power source that powers both a fixed switch controller and a fixed switch RF transmitter having a fixed antenna, said fixed wireless switch further including a user-accessible fixed switch operatively connected to said fixed switch controller, wherein when said fixed switch is switched said fixed switch controller causes said fixed switch RF transmitter to emit a movement signal from said fixed antenna; a wireless receiver powered by said truck power source, said wireless receiver having a receiver controller operatively connected to a receiver having a receiver antenna; wherein when said receiver antenna receives a movement signal said receiver applies said movement signal to said receiver controller which decodes said movement signal and applies decoded switching signals as said control signals. |
