Ex parte POLLARD - Page 2




          Appeal No. 97-1758                                         Page 2           
          Application No. 08/326,721                                                  


                                     BACKGROUND                                       
               The invention at issue in this appeal relates to disk                  
          cartridge storage and retrieval systems.  More specifically,                
          it defines three features of a carriage for transporting disk               
          cartridges within such a storage and retrieval system.  First,              
          the invention mounts a sleeve assembly to the carriage at two               
          points on the assembly.  One point is near the open end of the              
          sleeve that receives a cartridge.  Second, the invention                    
          attaches  motors to the carriage with self-tensioning mounts.               
          The mounts  allow the motors to be fastened without measuring               
          the tension of  belts driven by the motors.  Third, the                     
          invention connects the  carriage to a worm screw with a two-                
          way flexure.  The flexure permits planar movement of the                    
          carriage perpendicular to the worm screw’s axis while reducing              
          rotational movement of the carriage about the axis.                         


               Claim 1, which is representative for our purposes,                     
          follows:                                                                    
               1.  A disk cartridge storage and retrieval system                      
          comprising;                                                                 
               a carriage for transporting disk cartridges between a                  
          plurality of locations,                                                     







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