Patent attributes
A coilable shade includes a main frame to which left and right fixed seats are mounted. A drum is rotatably coupled to the right fixed seat and receives a spring receiving a shaft extending through a positioning seat. An end of the coiling spring is fixed to the positioning seat. The other end of the coiling spring is fixed to a connection seat mounted to the left fixed seat. A rotating unit is mounted in a jacket and rotatably coupled to a positioning rod fixed to the left fixed seat. A fastener is slideable along a track in a rotating member of the rotating unit to control unfolding, coiling, and positioning of a shade. The rotating unit further includes a sleeve received in the rotating member. A soft ring buffer is received in an annular groove of the sleeve and contacts an inner periphery of the rotating member.
