Ex parte AYERS et al. - Page 13

          Appeal No. 1998-2606                                                        
          Application 08/446,415                                                      

               The examiner has separately rejected dependent claims 10               
          through 12 in light of the collective teachings and showings                
          of Long, Fales and Watkins.  We sustain this rejection as to                
          claims 10 and 11, but reverse it as to claim 12.  We agree                  
          with the examiner's rationale expressed at pages 10 and 11 of               
          the answer that it would have been obvious to the artisan to                
          have employed the hub 4 of the drum 3 in Figures 2 and 3 of                 
          Watkins to the drive shaft 24 in the Figures 2 and 3 showings               
          of Fales.  To increase the ability of the shaft 24 to support               
          the rotatable disc 30 in the Figures 2 and 3 showing of Fales,              
          it would have been obvious to have utilized the teaching of                 
          the hub of the drum 3 in Watkins' Figures 1 and 2 to permit                 
          the shaft 24 in Fales to mount the rotatable disc 30 thereto                
          in the same manner that Watkins shows that the hub 4 is                     
          utilized to mount the drum 3 to the shaft 6.  Such an                       
          arrangement obviously would have enhanced the stability of the              
          rotatable disc 30 about the shaft 24 in Fales in light of the               
          teachings and suggestions in Watkins.  The combined teachings               
          and showings of the references as just noted clearly meet the               
          function of claim 10 for mounting the image disc thereto as                 
          recited in claim 10.                                                        

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