Appeal No. 2000-0581
Application No. 08/429,155
Breton (Figures 2-8a) discloses several different
embodiments of the two fan arrangement used to receive and
deliver printed products 14. Each of the embodiments is
designed to permit the two fans to cooperate to alternately
receive products in the pockets formed by the fan blades while
preventing the respective blade tips of the fans from
colliding. In the embodiments illustrated in Figures 2-4, for
example, this is accomplished by providing recesses, cutouts
or notches 5, 7, 10 in the fan blades to accommodate the
passage of blade tips of the other fan. In the embodiment
illustrated in Figures 8 and 8a, the tips of the fan blades
are extensible to divert an oncoming printed product or
signature into respective receiving pockets and then
retractable so as to avoid any possibility of a collision.
The disclosed mechanism for effecting the extension and
retraction of the tips comprises a linkage or push rod 44
pivotally connected at one end thereof to the respective
pivotal end tip of the blades of those fans located at one
side of the respective fan arrangements, the linkage having a
cam roller at the other end thereof which follows a suitably
4
Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Next
Last modified: November 3, 2007