Positioning device, especially for offset plates

Details Positioning device, especially for offset plates Positioning device, especially for offset plates

2006-10-24

2006-10-24

Hirshfeld, Andrew H. (Department: 2854)

Printing

Layout or registration

C101S477000, C101S485000, C101S486000, C101S494000, C269S073000, C269S303000, C414S680000, C414S744100, C414S788000

Reexamination Certificate

active

07124687

ABSTRACT:
The invention relates to a device for positioning an element with respect to at least two reference points (4a, 4c), in which said device acts upon a working point on the element to be positioned and comprises a positioning arm attached to a fixed hinging point with respect to said reference points (4a, 4c), comprising two mutually hinged parts (6a, 6b) allowing a movement of said element to each reference point (4a, 4c). The invention related further to a device for positioning at least one offset plate on a positioning table of a pre-press equipment, comprising means to move the offset plate in a plane parallel to the positioning table to at least one reference point (4a) on the positioning table, in which said means acts upon a working point situated in the supporting plane of the offset plate on the positioning table.

REFERENCES:
patent: 2199170 (1940-04-01), Goebel et al.
patent: 4790584 (1988-12-01), Prentakis
patent: 4921237 (1990-05-01), Nubson et al.
patent: 5497858 (1996-03-01), Cloud et al.
patent: 5892574 (1999-04-01), Powers et al.
patent: 6305678 (2001-10-01), Hammersmith et al.
patent: 6323035 (2001-11-01), Kedar et al.
patent: 2201873 (1972-08-01), None

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