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Oscillating vibration table with air center

阅读:172发布:2023-03-10

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1. A VIBRATION TABLE COMPRISING: A BSE STRUCTURE; A PLATFORM STRUCTURE SUPPORTED BY SAID BASE STRUCTURE IN A GIVEN PLANE FOR MOVEMENT IN SAID PLANE AND HAVING A WORK SUPPORTING PORTION THEREON; ONE OF SAID STRUCTURES HAVING RECESSES EXTENDING LONGITUDINALLY IN THE DIRECTION OF MOVEMENT OF SAID PLATFORM; THE OTHER OF SAID STRUCTURES HAVING PROJECTIONS ELONGATED IN THE DIRECTION OF MOVEMENT OF SAID PLATFORM, SAID PROJECTIONS BEING PARALLEL TO SAID GIVEN PLANE AND EACH SAID PROJECTION EXTENDING INTO A RESPECTIVE RECESS WITH AN OPERATIVE CLEARANCE ON ALL SIDES OF NOT MORE THAN A FEW THOUNSANDTHS OF AN INCH; MEANS FOR SUPPLYING FLUID TO THE INTERIOR OF SAID RECESSES AT A PRESSURE ABOVE THE PRESSURE SURROUNDING THE VIBRATION TABLE TO FLOAT PLATFORM IN A SUBSTANTIALLY FRICTION FREE MEDIUM FOR MOVEMENT IN SAID GIVEN PLANE; MEANS FOR VIBRATING SAID PLATFORM IN THE DIRECTION OF MOVEMENT COMPRISING MAGNETS, EACH OF SAID MAGNET BEING DISPOSED AT AN END OF SAID PLATFORM AND HAVING A CENTRAL POLE PIECE EXTENDING TOWARD SAID PLATFORM WITH A BORE THEREIN, AND A RING POLE PIECE EXTENDING AROUND SAID CENTRAL POLE PIECE; A VIBRATION RESPONSIVE ARMATURE ON EACH OF SAID PLATFORM DISPOSED PARALLEL TO SAID GIVEN PLANE AND COMPRISING A COIL SUPPORT AND A COIL WRAPPED AROUND SAID COIL SUPPORT, SAID COIL SUPPORT COMPRISING A COLLAR DISPOSED AROUND SAID CENTRAL POLE PIECE IN SPACED RELATION THERETO; MEANS FOR SUPPLYING FLUID UNDER PRESSURE TO SAID BORES; AND MEANS FOR REGULATING THE PRESSURE OF THE FLUID FED TO SAID BORES TO CENTER SAID PLATFORM STRUCTURE BETWEEN SAID MAGNETS.
5. A VIBRATION TABLE COMPRISING: A BASE; A PLATFORM STRUCTURE; A SUPPORTING STRUCTURE FIXED TO SAID BASE FOR SUPPORTING SAID PLATFORM STRUCTURE FOR OSCILLATORY MOVEMENT ABOUT A ROTARY AXIS IN A PLANE PERPENDICULAR TO SAID ROTARY AXIS, ONE OF SAID STRUCTURES COMPRISING ARC-SHAPED SUPPORTS, THE OTHER OF SAID STRUCTURES COMPRISING ARCSHAPED COUNTER SUPPORTS, THE ARCS OF SAID ARC-SHAPED SUPPORTS AND COUNTER SUPPORTS BEING DRAWN ON SAID ROTARY AXIS, SAID ARC SUPPORTS AND COUNTER SUPPORTS INTERMESHING TO CONFINE MOVEMENT OF SAID PLATFORM STRUCTURE TO ROTARY OSCILLATIONS ABOUT SAID ROTARY AXIS; AND MEANS FOR OSCILLATING SAID PLATFORM IN SAID PLANE ABOUT SAID ROTARY AXIS.
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