Appeal No. 1996-2624
Application No. 08/186,352
fixed on input shaft [36]. When cam plate [49] rotates, it
causes rocker arm [50] to oscillate about fixed pivot [p',
Figure 3]. Oscillation of rocker arm [50] is transmitted to
rocker arm [48] by a coupling member [51]. Oscillation of
rocker arm [48] causes the
output shaft [41], on which the transfer drum is fixed, to be
advanced or retarded (depending of the direction of
oscillation). See, col. 6, lines 26-56.
In addition, Bosse teaches that the speed of the transfer
drum between transfer stations, as well as the pitch [t], may
be changed without having to replace the cam plate [49] by
adjusting the attachment point of the coupling member [51]
along the longitudinal grove [53] in rocker arm [50]. See,
col. 7, lines 4-66.
Katori teaches that is was known prior to his invention
to use noncircular gears in a planetary gear device "for
obtaining an unconstant velocity rotational motion useful for
automation and to integrate velocity reduction means and
unconstant velocity means together" (col. 1, lines 53-56).
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