Gatherer stitcher

Sheet-material associating – Associating or disassociating – Signature associating

Reexamination Certificate

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Details

C270S052140, C270S052180, C270S052260, C270S052290, C412S001000, C412S002000, C412S006000, C412S008000, C412S009000, C412S025000, C198S644000

Reexamination Certificate

active

11039246

ABSTRACT:
A gatherer stitcher having a gatherer chain configuration includes roof segments forming a ridge region and drivers having respective stop surfaces and being mounted so as to be adjustable between an operating position and a position pivotable away therefrom. An auxiliary driver is restricted to the ridge region and carried by a respective roof segment directly adjacent the stop surfaces. The auxiliary driver, in the operating position of the adjustable driver, forms a combined stop surface together with the adjustable driver.

REFERENCES:
patent: 1492760 (1924-05-01), Sproul
patent: 1601802 (1926-10-01), Kast
patent: 3807547 (1974-04-01), Mueller
patent: 5547066 (1996-08-01), Chang
patent: 5667212 (1997-09-01), Merkli
patent: 0 916 514 (1999-05-01), None

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