Patent ID: 9638209
Date: 2017-05-02
CPC Classifications: F04D,F05D

Claim:
1. An attachment for attaching to a fan blade of a ceiling fan, the fan blade having a leading edge and a trailing edge and a first upper surface and a first lower surface, the attachment comprising: a base having a first end and a second end; a shoulder having a third end extending from the second end of the base, the shoulder also having a fourth end; a curved dam having a fifth end extending from the fourth end of the shoulder, the dam also having a sixth end, a second upper surface and a second lower surface; and such that the base is adapted to be attached to the first upper surface of the fan blade so that the shoulder abuts the trailing edge of the fan blade so that the dam extends rearwardly from the trailing edge of the fan blade and downward from the lower surface of the fan blade and wherein the shoulder is dimensioned so that first lower surface of the fan blade at the trailing edge of the fan blade and the second lower surface of the dam form a smooth transition when the attachment is made to the fan blade.