Binder device releasably engaging aperture or notch of sheet – Sheet retainer with releasable keeper
Patent
1982-06-16
1984-11-27
Bell, Paul A.
Binder device releasably engaging aperture or notch of sheet
Sheet retainer with releasable keeper
402 80R, 101407R, 101407BP, 101DIG12, B42F 300, B41F 128
Patent
active
044848285
ABSTRACT:
A cap for securing a printing plate, sheet of paper, or other flat piece of material to a plate or bed having one or more registration pins, is provided. The cap has a resilient O ring for securing it to the pin. The cap is actually applied to, and removed from, the pin by a cap holding and releasing device. The cap holding and releasing device is mounted on an elevator which carries the printing plate (or paper etc.) to the bed and deposits it on the bed.
REFERENCES:
patent: 2108039 (1938-02-01), Betls
patent: 3222051 (1965-12-01), Bevilocqua et al.
patent: 4390172 (1983-06-01), Gotman
Bell Paul A.
Crosfield Data Systems, Inc.
Hall William D.
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