Pivoting actuator and a pop-up target incorporating same

PCT No. PCT/AU90/00546 Sec. 371 Date May 11, 1992 Sec. 102(e) Date May 11, 1992 PCT Filed Nov. 9, 1990 PCT Pub. No. WO91/07594 PCT Pub. Date May 30, 1991.A gas actuator (21) and a pop-up target (10) incorporating the gas actuator (21) are disclosed. The gas actuator (21) comprises support surfaces (...

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Hauptverfasser:	DEVENISH, DONALD M
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING BULLET CATCHERS CHECKS FOR WINGS DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION FIXED CONSTRUCTIONS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL KEYS LIGHTING LOCKS MECHANICAL ENGINEERING SAFES SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TARGET RANGES TARGETS WEAPONS WINDOW OR DOOR FITTINGS WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING
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Zusammenfassung:	PCT No. PCT/AU90/00546 Sec. 371 Date May 11, 1992 Sec. 102(e) Date May 11, 1992 PCT Filed Nov. 9, 1990 PCT Pub. No. WO91/07594 PCT Pub. Date May 30, 1991.A gas actuator (21) and a pop-up target (10) incorporating the gas actuator (21) are disclosed. The gas actuator (21) comprises support surfaces (24, 26), pivoting surfaces 5 (64,66) pivotably coupled upon the support surfaces (24, 26), respectively, and flexible and inflatable members (18, 20) disposed for pivoting the pivoting surfaces (64, 66) with respect to the support surfaces (24, 26) between a first and a second position. The members (18, 20) act over a relatively large area between the support surfaces (24, 26) and the pivoting surfaces (64, 66). The magnitude of the pivoting force produced by the members (18, 20) increases to a maximum and thereafter decreases as the pivoting surface (64) pivots upwards. An accumulator (104) allows for relatively low flow rates of as from a source of compressed as (102) and provides relatively high flow rates of compressed as to the members (18, 20).