Patent ID: 7178577

Claim:
A reeling unit for a blind comprising: a base having: a bottom plate with two ends; a first bracket attached at one end of the bottom plate; and a second bracket attached at the other end of the bottom plate; and a roller rotatably mounted on the base and having; an axle end placed on the first bracket; an abutting end placed on the second bracket; and a tapered body extended between the axle end and the abutting end and having a smooth periphery all around the tapered body, wherein the first bracket of the base is a plate and has: a funnel-shaped cutout with a bottom defined in the first bracket; and an axis recess defined in the bottom of the funnel-shaped cutout and having a pass communicating with the funnel-shaped cutout, wherein the second bracket of the base has: two curved arms attached on the top face of the bottom plate and extended upward to form a U-shaped recess; two stops respectively formed on the two arms; and a top arc having two ends respectively attached to the two stops over the U-shaped recess.