Appeal 2007-1908
Application 10/442,950
1 current position of each carriage 32. However, upon its receipt
2 of a repositioning command, the controller prepares to
3 reposition the carriages either in accordance with a
4 predetermined set of positions stored in its memory and
5 accessed by the operator's entry of a corresponding program
6 number, or pursuant to the operator's entry of detailed
7 information regarding the number of active knives and the
8 desired new web widths.
9 (Miller, col. 8, l. 63-col. 9 l. 6).
10 From our review of Hirakawa we make the following findings of fact"
11 23. “The present invention relates to an apparatus for positioning
12 heads in a machine which has a uniaxial multi-head structure and
13 which necessitates to position said heads (working tools) such as, for
14 example, a corrugate machine, a slitter-scorer, etc.” (Hirakawa, col.
15 1, ll. 3-7).
16 24. [T]here is provided an apparatus for positioning a plurality of
17 heads provided slidably along a shaft, in which said respective
18 heads are disposed and set at any desired positions along said
19 shaft through the steps of conveying said heads either
20 individually or in groups each consisting of two or more heads
21 by means of a shifter, isolating each said head from said shifter
22 to set it when it reaches a desired position, and repeating the
23 aforementioned operations, characterized in that said shifter is
24 constructed of a slave shifter provided with means for holding
25 and releasing said head and a master shifter provided with
26 means for reciprocating said slave shifter along said shaft by a
27 predetermined distance relative to said master shifter.
28
29 (Hirakawa, col. 1, l. 58- col. 2, l. 4).
30
31 25. [S]aid respective heads are disposed and set at any desired
32 positions along said shaft through the steps of conveying said
33 heads either individually or in groups each consisting of two or
34 more heads by means of a shifter, isolating each said head from
11
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Last modified: September 9, 2013