| 摘要 |
A mobile X-ray apparatus having a carriage driven in a direction in which forces are applied to a pair of right and left control bars operable without influencing each other. The right and left control bars are arranged symmetrically with respect to the direction of movement of the carriage. Each control bar is supported to be pivotable independently of the other in a substantially horizontal or vertical plane. A neutralizing mechanism is provided for maintaining each control bar in a neutral position when the control bar is free from an external force. Position detectors are disposed adjacent a forward position and a rearward position of each control bar, respectively, to detect displacement thereof. Each control bar has an equivalent capacitor structure having an electrostatic capacity variable when the operator grips the control bar. This structure provides a safety mechanism for allowing the carriage to move only when the operator grips the control bar.
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