Sheet feeding or delivering – Feeding – Separators
Patent
1992-10-01
1994-08-09
Olszewski, Robert P.
Sheet feeding or delivering
Feeding
Separators
271121, 271126, 271149, 271153, 271167, B65H 304, B65H 118
Patent
active
053358996
ABSTRACT:
A high speed sheet feeder comprises a support for supporting a stack of sheets. The sheets are driven by a backing plate assembly along the support toward a singulator. The backing plate is driven by a drive member such as a drive chain positioned along the support. The drive chain moves the backing plate in predetermined increments. The singulator is mounted on a bracket that moves in response to pressure exerted by the leading face of the stack thereupon. The increments in which the backing plate moves are varied based upon the degree of movement of the singulator bracket in response to pressure exerted thereupon by the stack. Minimum pressure causes a maximum increment of movement while maximum pressure causes a minimum increment or virtually no movement in the backing plate assembly.
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Milef Boris
Olszewski Robert P.
Roll Systems Inc.
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