PNEUMATIC POWER ASSIST APPARATUS FOR SPOT FILM DEVICE

A three axis pneumatic power assist system which is particularly adapted to move a spot film device over a patient lying on an X-ray table. Three separate pneumatic circuits are adapted to power three mutually perpendicularly movable carriages in response to a control handle mounted on the spot film...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WILLIAM C. HORSEY, HARRY E. KOERNER
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR DIAGNOSIS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HUMAN NECESSITIES HYDRAULICS OR PNEUMATICS IN GENERAL HYGIENE IDENTIFICATION LIGHTING MECHANICAL ENGINEERING MEDICAL OR VETERINARY SCIENCE SURGERY SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A three axis pneumatic power assist system which is particularly adapted to move a spot film device over a patient lying on an X-ray table. Three separate pneumatic circuits are adapted to power three mutually perpendicularly movable carriages in response to a control handle mounted on the spot film device so that the spot film device may be easily movable anywhere over the top of the X-ray table within predefined limits. A double acting spring biased spool valve is utilized for each of the three axes and is actuable by the control handle to cause a control signal to be fed to a pneumatic actuator which powers the respective carriage. When desirable the control handle and the control valves may be remotely located from the X-ray table and the spot film device with suitable pneumatic interconnection lines being provided therebetween.