Interference No. 104,158
portion 3 which contains an arcuate wall portion 6. In this
arcuate wall portion is mounted a generally C-shaped yoke
member 10. The free ends of the yoke portion carry pivot pins
11 for mounting the
lugs of the blade-containing head. Page 2, lines 1-5. Thus,
the head 1, when mounted on the pivot pins 11 can rock about
an axis. The rocking axis, located at XX in Figures 1 and 2
of Kirk, is substantially parallel with the tangent plane T
and transverse to the length of the head. Id. at 16-19. The
two axes XX and YY may intersect or be slightly offset, but
both are preferably
close to the blade edge in order to provide maximum
conformance
to the skin surface during shaving. Id. at 37-40. From the
orthogonal view in Figure 2, it is difficult to determine the
exact spatial relationship of axes XX and YY in this
embodiment. Certainly any attempt to locate the center of
rotation of the C-shaped yoke member 10 is highly
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Last modified: November 3, 2007