Transport unit for a stack of letters having a stationary helica

Details Transport unit for a stack of letters having a stationary helica Transport unit for a stack of letters having a stationary helica

1994-12-23

1997-01-21

Milef, Boris

Sheet feeding or delivering

Feeding

Pack holders

271163, 271213, 198724, B65H 102, B65H 100

Patent

active

055953832

ABSTRACT:
A transport unit having a shaft for receiving a stack of letters includes a stationary helical slide forming a bottom of the shaft and having an approximately vertical axis. The helical slide has an upper and a lower end each defining a transfer point for selectively feeding in and feeding out the stack of letters. A conveying device is provided operatively acting with the shaft for displacing the stack of letters on the helical slide.

REFERENCES:
patent: 3306432 (1967-02-01), Hoagland
patent: 3329254 (1967-07-01), De Pass
patent: 3726391 (1973-04-01), Napp
patent: 3869115 (1975-03-01), Barkley
patent: 4756403 (1988-07-01), Sasaki et al.
patent: 5291987 (1994-03-01), Zink

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