Patent ID: 8887792

Claim:
A winder, including a support member, said support member comprising: (a) a wall portion; (b) a spindle; (c) a housing rotatably mounted onto said spindle, said housing having: (i) a drive portion receiving a cord that controls the rotation of said housing extending and retracting a blind, and; (ii) a protruding retaining arm extending parallel to an axis of said spindle exterior to said spindle, wherein said retaining arm has at least one enlarged portion; wherein said housing is selectively moveable along the spindle between an open position and a closed position, such that: (A) when the housing is placed in the open position, the drive portion is exposed for receiving said cord, and (B) when the housing is placed in the closed position, the wall portion covers at least a part of the drive portion to resist disengagement of the entire cord from the drive portion, (d) a first groove for receiving said at least one enlarged portion of the retaining arm when the housing is in the open position; and (e) a second groove for receiving said at least one enlarged portion of the retaining arm when the housing is in the closed position; wherein, when said retaining arm is received in either of the first and second grooves, the retaining arm resists movement of the housing along said spindle.