Appeal No. 1997-0347 Application 08/193,654 ered rewind reel 155 positioned downstream of metering roll 73, and a dancer roll 153 which includes a spring-biased lever arm. Based on a careful review of the appellants' briefs and the answer, the specific issues generated by the exam- iner's obviousness rejections of the appealed claims disposi- tive of the present appeal are whether or not 1) Harvey's dancer roll 153 and associated unnumbered elements depicting a spring-biased lever arm as shown in Harvey's Figure 8 embodi- ment, function to impart a second pulling force on Harvey's continuous web, and, if so, 2) whether or not it would have been obvious to a person of ordinary skill in this art "during the course of routine experimentation" (answer, page 5) to vary the pulling force of dancer roll 153 to provide at least 20% of the total pulling force on the web. Appellants contend in their brief at page 5 that Harvey's dancer roll 153 operates in the same manner as Harvey's upstream dancer roll 112 based on the disclosures in Harvey at column 8, line 60, through column 9, line 20, which indicate 5Page: Previous 1 2 3 4 5 6 7 8 9 10 NextLast modified: November 3, 2007