| 摘要 |
<p>A shade includes a frame (3) to which seats (4, 5) are mounted. A drum (71) is rotatably coupled to the right seat and receives a spring (72) receiving a shaft (73) extending through a positioning seat (74). An end of the spring is fixed to the positioning seat. The other end of the spring is fixed to a connection seat (84) mounted to the left seat. A rotating unit (82) is mounted in a jacket (81) and rotatably coupled to a positioning rod (83) fixed to the left seat. A fastener (816) is slideable along a track (8212) in a rotating member (821) of the rotating unit to control a shade. The rotating unit further includes a sleeve (822) received in the rotating member. A soft ring buffer (823) is received in an annular groove of the sleeve and contacts an inner periphery of the rotating member.</p> |
