Appeal No. 1997-0347
Application 08/193,654
that Harvey's dancer roll 112 maintains a substantially
constant drag on the label supply wheel 110 by means of brake
165. Thus, appellants conclude that Harvey teaches that the
movement of dancer roll 153 in Harvey serves only to regulate
and maintain constant tension on the web being metered, while
Harvey provides no disclosure or suggestion that dancer roll
153 is capable of providing a pulling force on the web, much
less a pulling force of 20% of the total driving force
necessary to pull the web through the machine as required by
the "wherein" clause of appealed claim 14.
Based on a comparison of the somewhat similar
geometric relationships shown by appellants' Figure 3 power
dancer 108 and Harvey's Figure 8 spring-biased lever arm
dancer roll 153 arrangement, the examiner's finding that
Harvey's dancer roll 153 inherently provides some pulling
force on the continuous web appears reasonable. However,
since neither Harvey nor the examiner's "secondary reference"
to Asghar, expressly teaches or
6
Page: Previous 1 2 3 4 5 6 7 8 9 10 Next
Last modified: November 3, 2007