US2012087796A1PendingUtilityA1

Ceiling fan

Assignee: MCMAHON JOSEPHPriority: Oct 6, 2010Filed: Oct 3, 2011Published: Apr 12, 2012
Est. expiryOct 6, 2030(~4.2 yrs left)· nominal 20-yr term from priority
F04D 25/088F04D 29/34
33
PatentIndex Score
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Claims

Abstract

A ceiling fan having a motor for rotating a spider with the spider designed to support a plurality of blades for rotation. The spider having a plurality of outwardly extending arms with each blade secured at its root end to at least a pair of the arms.

Claims

exact text as granted — not AI-modified
1 . A ceiling fan comprising:
 a motor and means for supporting said motor from a ceiling,   a plurality of blades, each having a root end and a tip end   a spider having a plurality of outwardly extending arms positioned below and secured to the motor for rotation by the motor therewith,   each blade having at least one portion of its root end lying in a common plane and means securing the root end of each blade to a plurality of spider arms.   
     
     
         2 . A ceiling fan as set forth in  claim 1  wherein the root ends of the blades are coplanar and the tip ends non-planar with respect to the root ends. 
     
     
         3 . A ceiling fan as set forth in  claim 1  wherein the spider arms are each provided with blade engaging members for securing the blade roots thereto. 
     
     
         4 . A ceiling fan as set forth in  claim 2  wherein the tip ends of the blades are non-parallel to one another.

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