| 摘要 |
Lock-up assemblies clamp a flexible print plate to a circumferential surface of the print plate cylinder. Preferably, the print plate lock-up assemblies are adapted to being received within a gutter of a print plate cylinder and include an elongate support bar assembly, and a jaw assembly supported by the support bar assembly and adapted for positionally clamping a print plate to an exterior circumferential surface of the print plate cylinder. Preferably, the jaw assemblies include a pair of retainer blocks which are spaced from one another along the support bar assembly, and a jaw support plate positioned between the pair of retainer blocks and adapted for movement along the pair of retainer blocks towards and away from the support bar. A pair of mirror-imaged jaw members is positioned upon and supported by said jaw support plate. One or more spring members act between the support bar assembly and the jaw support plate so as to exert a bias force against the jaw support plate to thereby move the jaw support plate, and the pair of jaw members supported thereby, in a direction away from said support bar assembly. In such a manner, the jaw members may be moved into clamping relationship with the print plate gutter. A registration pin assembly may be provided which is shiftable between one and another locations along the support bar assembly to thereby accommodate print plates of different widths.
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