Pressure roller mechanism for stacking apparatus

Details Pressure roller mechanism for stacking apparatus Pressure roller mechanism for stacking apparatus

1995-08-02

1996-09-03

Merritt, Karen

Material or article handling

Apparatus for moving intersupporting articles into, within,...

Positions intersupporting article into row

271180, 4147986, B65G 4704

Patent

active

055518346

ABSTRACT:
In an envelope stacker, a normal force roller mechanism drives a mail piece vertically then retracts without adding significant torque to the stacker. The normal force roller mechanism is comprised of a frame and a bracket pivotally mounted to the frame, the bracket further having an aperture and an arm with a shaft extending therefrom. An idler roller is mounted to the shaft. A hub having a slot is rotatably mounted to a plate. An assembly is provided for moving the plate in a substantially horizontal direction. A generally L-shaped pin having a first end portion and a second end portion extends through the slot so that the first end portion engages the aperture of the bracket. A spring is mounted onto the L-shaped pin between the second end portion and the hub.

REFERENCES:
patent: 3716227 (1973-02-01), Bottcher
patent: 3765523 (1973-10-01), Nakanishi
patent: 4678072 (1987-07-01), Kobayashi et al.
patent: 5244344 (1993-09-01), Doeberi et al.
patent: 5288066 (1994-02-01), Hain
patent: 5411249 (1995-05-01), Zouzoulas

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