Appeal No. 97-1260 Application 08/124,774 pending in the application.2 The invention relates to “an apparatus which forms part of a carding machine and which serves for introducing fiber material to the main carding cylinder” (specification, page 1). Independent claim 1 is representative and reads as follows: 1. In a carding machine including a main carding cylinder and an apparatus for introducing fiber material to the main carding cylinder; the apparatus including a fiber feeding device and at least one licker-in having a sawtooth clothing and being disposed between the fiber feeding device and the main carding cylinder; the improvement wherein said apparatus comprises at least one pin roll having a pin clothing; said pin roll including a securing surface; said pin clothing including a plurality of pins embedded into and projecting from said securing surface; said pin roll immediately adjoining said fiber feeding device and being situated between said fiber feeding device and said licker-in. The references relied upon by the examiner as evidence of obviousness are: Plantron 166,407 Aug. 3, 1875 Riehl et al. (Riehl) 2,964,801 Dec. 20, 1960 Otani 3,995,351 Dec. 7, 1976 Estebanell 4,355,439 Oct. 26, 1982 Weber 8560 Jun. 14, 1887 2Claims 17 and 18 have been amended subsequent to final rejection. -2-Page: Previous 1 2 3 4 5 6 7 8 9 10 NextLast modified: November 3, 2007