| 摘要 |
<p>A BLADE ASSEMBLY FOR A CEILING FAN INCLUDES A MOUNTING ARM (10A), A BEARING (40), A COVER (20), A SPIRAL SPRING (50), A BLADE (30), AND THREE SCREWS (62). THE MOUNTING ARM (10A) HAS A PLATE (12A). THE PLATE (12A) HAS A BOSS (121A). THE BOSS (121) HAS A SPLIT (122). THE BEARING (40) IS SLEEVED ON THE BOSS (121). THE COVER (20) HAS A STUB (21). THE STUB (21) HAS A RECEIVING RECESS (23) FOR RECEIVING THE BEARING (40). THE COVER (20) HAS A THROUGH HOLE (22) FOR PASSING THE BOSS (121A). THE COVER (20) HAS THREE BOSSES (25). THE SPIRAL SPRING (50) HAS ONE END SLEEVED ON THE BOSS (121) OF THE COVER (20) AND THE OTHER END ENGAGED WITH THE SPLIT (122). THE BLADE (30) HAS THREE MOUNTING HOLES (32) AND CORRESPONDING TO THE BOSS (121) OF THE COVER (20). THE THREE SCREWS (62) PASS THROUGH THE MOUNTING HOLES (32) AND FASTEN WITH THE BOSSES (25) OF THE COVER (20). MOST ILLUSTRATIVE DIAGRAM :</p> |
