Printing – Selective or progressive – Numbering
Patent
1987-07-01
1988-02-16
Pearson, Charles
Printing
Selective or progressive
Numbering
101 86, B41F 386, B41J 160
Patent
active
047247584
ABSTRACT:
A numbering cam for a printing press having a numbering device with an operating member to cause indexing of the device, said cam having a cam surface to cause actuation of said operating member by moving said operating member from a rest position to an indexing position, and a magnet to attract said operating member to cause said operating member to return from said indexing position to said rest position.
REFERENCES:
patent: 764289 (1904-07-01), Harris
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