| 摘要 |
A SUN-SHADE DEVICE (2) INCLUDES AN ELONGATE HOUSING (31) FORMED WITH A SLIT (311), A ROLLER (32) JOURNALLED IN THE HOUSING (31), A SCREEN (5) WOUND AROUND THE ROLLER (32) AND HAVING AN UPPER EDGE WHICH EXTENDS OUT OF THE HOUSING (31) VIA THE SLIT (311) AND WHICH IS PROVIDED WITH A HORIZONTAL STRIP (6), A BIASING MEMBER (33) FOR BIASING THE ROLLER (32) TO WIND THE SCREEN (5) THEREON, AND LEFT AND RIGHT STRETCHING ARM UNITS (7, 7'), EACH OF WHICH INCLUDES AN UPPER ARM MEMBER (72, 72') HAVING AN UPPER FIRST END (722) PIVOTED TO THE STRIP (6) AND A LOWER SECOND END (723), AND A LOWER ARM MEMBER (71, 71') HAVING AN UPPER THIRD END (714) PIVOTED TO THE SECOND END (723), A LOWER FOURTH END (712), AND A MOUNTING PORTION (711) FORMED BETWEEN THE THIRD AND FOURTH ENDS (714, 712) AND MOUNTED PIVOTALLY ON THE HOUSING (31). A DRIVE UNIT (4) IS CONNECTED TO THE FOURTH ENDS (712). THE THIRD END (714) OF EACH LOWER ARM MEMBER (71, 71') IS FORMED WITH A PIN (713) THAT ENGAGES AN ENGAGING GROOVE (721) FORMED IN THE SECOND END (723) OF THE ADJACENT UPPER ARM MEMBER (72, 72') WHEN THE UPPER ARM MEMBER (72, 72') IS ALIGNED WITH AND IS STRETCHED FROM THE LOWER ARM MEMBER (71, 71').(FIG 3)
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