Oscillator for staggering sheets

Details Oscillator for staggering sheets Oscillator for staggering sheets

2006-12-19

2006-12-19

Mackey, Patrick (Department: 3653)

Sheet feeding or delivering

Delivering to stack and feeding therefrom

C271S146000, C271S241000

Reexamination Certificate

active

07150453

ABSTRACT:
The trailing ends of envelopes stacked vertically in a hopper are tapped by jostling members that oscillate in a horizontal plane. The tapping action breaks frictional bonds between contiguous items. The jostling members are mounted on a base plate that is adjustably mounted in overlying relation to a floor plate of the hopper to accommodate items of varying widths. A cam and cam follower arrangement causes oscillation of the floor plate and hence of the base plate and the jostling members. The jostling members may take the form of acute or right angle members, wheels, or the like.

REFERENCES:
patent: 3705719 (1972-12-01), Polit et al.
patent: 3776544 (1973-12-01), Watson et al.
patent: 4081181 (1978-03-01), Crowe et al.
patent: 6601841 (2003-08-01), Werner
patent: 6695304 (2004-02-01), Werner

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