ES1040699U - Improved disabled chair wheels. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

PERFECTED WHEELCHAIR FOR THE INVALID, CHARACTERIZED BY A BASE STRUCTURE CONSISTING OF TWO SIDES (1), TWO SWINGING GUIDES (2) OF NON-ROTATING PROFILE CROSSES: SQUARE, RECTANGULAR OR OVAL SIZE SOME ABOVE THE SIZE ALLOW THESE INSIDE TO ADJUST THEIR OWN CROSSROOMS (3) LEFT AND RIGHT, PLACED WITH A SLIGHT INCLINATION REGARDING THE FLOOR, BETWEEN THE SIDES, A RIGIDIZER (4) COMPOSED BY TWO DECKS AND WHOSE MISSIONER TOGETHER (19)) PLACED AT THE END OF EACH CROSS, IS TO BLOCK THESE AND SO GET THE WIDTH OF THE CHAIR. STARTING FROM FOUR ROTATING SUPPORT POINTS ON EACH SIDE, THEY TRANSMIT A SERIES OF SYNCHRONIZED MOVEMENTS TO THE SEAT SUPPORTS (13), THE BACK SUPPORT (14) AND THE FOOTREST SUPPORTS (15); FOR THESE TO REST AND AT THE SAME TIME ADVANCE THEIR CENTER OF GRAVITY, REGARDING THE BASE STRUCTURE, AND SO PREVENT THE TIPPING OF THE CHAIR; THE CRANKS (5) OY (6) AND THE CRANKS (7), (8), (9), (10), (11) AND (12). THE ORIGIN OF THESE SYNCHRONIZED MOVEMENTS CAN BE CARRIED OUT BY DIFFERENT DRIVES, PLACED BETWEEN THE SIDES AND ONE OF THE CONNECTING RODS, SUCH AS: GAS CYLINDERS WITH OIL PRESSURE, BLOCKABLE THROUGH THEIR TRAVEL, MUSSEL MECHANISM, AND NUT-SPINDLE DRIVEN BY ELECTRIC MOTOR AND BATTERY (16). THE SEAT SUPPORTS (13), THE BACKREST (14) AND THE FOOTREST (15), ARE LINKED TO EACH OTHER THROUGH THE ARTICULATIONS (17) AND (18). AND STARTING FROM THE NORMAL TRANSFER POSITION, REPRESENTED IN (FIGURE 1) TO THE MAXIMUM RELAX POSITION REPRESENTED IN (FIGURE 2). TO RIGIDIZE THE RIGHT AND LEFT SUPPORTS OF THE BACKREST (14), ANOTHER FOLDING RIGIDIZER OF PLATES IS PLACED, WHICH CAN FOLD DOWN THE CHAIR (20), SO LEFT FOLLOWING THE CHAIR, WHEN IT IS FOLDED. (Machine-translation by Google Translate, not legally binding)