Printing – Intaglio – Bed and platen
Patent
1995-04-28
1997-08-05
Bennett, Christopher A.
Printing
Intaglio
Bed and platen
101 41, B41F 100
Patent
active
056531672
ABSTRACT:
A pad printing machine includes: a cliche plate; a pad disposed above the cliche plate; and a transmission mechanism operatively connected to the cliche plate and to the pad. The transmission mechanism includes a main shaft; a main arm connected to the cliche plate and pivotably mounted on the main shaft; a pivot arrangement connected to the main arm; a lever pivotably mounted on the pivot arrangement and being connected to the pad; and an arrangement for controlling a pivoting motion of the main arm and the lever including: a first cam operatively coupled to the main arm; a groove disposed in one of the first cam and the main arm for controlling a pivoting motion of the main arm in response to a rotation of the first cam; and a second cam operatively coupled to the lever such that a rotation of the second cam controls a pivoting motion of the lever. The transmission mechanism further includes a drive for actuating the transmission mechanism to move the cliche plate and the pad.
REFERENCES:
patent: 4060031 (1977-11-01), Philipp
patent: 4314504 (1982-02-01), Combeau
patent: 4508032 (1985-04-01), Philipp
patent: 4615266 (1986-10-01), DeRoche et al.
patent: 4738198 (1988-04-01), Sillner
patent: 4905594 (1990-03-01), Phillips et al.
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