Physical delay buffer for paper items

Details Physical delay buffer for paper items Physical delay buffer for paper items

1992-09-18

1994-06-28

Skaggs, H. Grant

Sheet feeding or delivering

Delivering

With transfer means between conveyor and receiver

271903, 271184, 1988031, 198457, B65H 2954

Patent

active

053240251

ABSTRACT:
A mechanical buffer for imparting a substantial delay to paper items, such as envelopes which are being individually and sequentially conveyed in a high-speed paper transport system, maintains physical separation between the conveyed items and does not require termination of item movement or item encoding. The buffer employs a directional translation of item motion, i.e., envelope motion in the length-wise direction is changed to motion in the direction of thickness, to achieve a velocity-distance compression. The buffer apparatus includes a continuous loop of item carriers which are individually positioned to have incoming items sequentially and individually inserted therein, the carriers imposing a retarding frictional force proportional to item thickness and mass to arrest item motion in the longitudinal direction as the direction of item motion undergoes the translation.

REFERENCES:
patent: 1810859 (1931-06-01), Thurmer
patent: 3526170 (1970-09-01), Oderman et al.
patent: 3759508 (1973-09-01), Jeppsson
patent: 4367997 (1983-01-01), Schweingruber
patent: 4940219 (1992-10-01), Volat
patent: 5052679 (1992-05-01), Sekino
patent: 5110108 (1983-01-01), Muller

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