Ex parte HEIDENREICH et al. - Page 4




                 Appeal No. 1999-2327                                                                                                                   
                 Application No. 08/168,235                                                                                                             


                 the examiner.  As a consequence of our review, we make the                                                                             
                 determinations which follow.                                                                                                           


                          We reverse the examiner’s rejection of appellants’ claims                                                                     
                 under 35 U.S.C. § 103.                                                                                                                 


                          Independent claim 1 is drawn to a torque limiting clutch                                                                      
                 and output shaft assembly, comprising, inter alia, an output                                                                           
                 hub and output shaft interengaged by an interference fit, the                                                                          
                 output hub having splines for engaging friction discs and a                                                                            
                 plurality of bores for receiving bolts, with the splines and                                                                           
                 threaded bores being in registration with each other.                                                                                  
                 Independent claim 13 specifies a torque limiting clutch and                                                                            
                 output shaft assembly comprising, inter alia, first and second                                                                         
                 plates, friction discs, separator discs, pressure plate and                                                                            
                 spring means comprising a first unit, an output hub received                                                                           
                 upon an output shaft and comprising a second unit, wherein the                                                                         
                 second unit is selectively engageable and disengageable from                                                                           

                          2(...continued)                                                                                                               
                 been expected to draw from the disclosure.  See In re Preda,                                                                           
                 401 F.2d 825, 826, 159 USPQ 342, 344 (CCPA 1968).                                                                                      

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