Method of and apparatus for dampening sheets stacked into sheet

Sheet feeding or delivering – Delivering – To receiver for pack of sheets

Patent

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Details

271222, B65H 3136

Patent

active

057722013

ABSTRACT:
A damping apparatus has a first damper mechanism positioned at a leading end of a sheet which is introduced into a sheet stacking region, for movement in the direction A away from the sheet stacking region to absorb shocks produced by the sheet when the sheet hits the first damper mechanism, and a second damper mechanism combined with the first damper mechanism, for movement in the direction A away from the sheet stacking region to absorb the shocks produced by the sheet S while the shocks produced by the sheet are being absorbed by the first damper mechanism and then after the first damper mechanism starts moving back in the direction B toward the sheet stacking region. Sheets can successively be introduced at a high speed into the sheet stacking region, and are effectively prevented from being folded or improperly positioned in the sheet stacking region.

REFERENCES:
patent: 2661949 (1953-12-01), Bauer
patent: 2761682 (1956-09-01), Buccicone
patent: 2821391 (1958-01-01), Buccicone
patent: 3022999 (1962-02-01), Mead
patent: 3907128 (1975-09-01), Cathers
patent: 4130206 (1978-12-01), Buccicone
patent: 4525118 (1985-06-01), Bulka et al.

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