Printing machine having a lower box and an upper box adjustably

Details Printing machine having a lower box and an upper box adjustably Printing machine having a lower box and an upper box adjustably

1998-04-16

1999-10-19

Burr, Edgar

Printing

Rolling contact machines

Rotary

101 37, 101484, B41F 1324

Patent

active

059670371

ABSTRACT:
A printing machine includes a machine base, a lower box mounted on the machine base, an upper box mounted on the lower box in a vertically movable and adjustable position, a conveyor passing horizontally between the upper and lower boxes, and an upper printing device mounted in the upper box for printing a workpiece carried by the conveyor. The lower box has an adjustable support for adjustably supporting the upper box. The adjustable support has two upright support tubes mounted to the lower box, and driven shafts received rotatably in the support tubes. Each of the driven shafts has an upper end, a lower end which extends outwardly of a respective one of the support tubes, a threaded hole which extends longitudinally in the upper end, and an upright connecting rod with an externally threaded lower end that engages the threaded hole and an upper end connected to the upper box. The lower box further has a driving mechanism to drive the driven shafts. The driving mechanism has a horizontal driving shaft mounted to the lower box, an operating handle wheel mounted on the horizontal driving shaft, and a transmission unit connected to the horizontal driving shaft and the lower ends of the driven shafts.

REFERENCES:
patent: 482855 (1892-09-01), Tilton et al.
patent: 3136242 (1964-06-01), Gemelli
patent: 3867882 (1975-02-01), Ahlgren et al.
patent: 3877367 (1975-04-01), Norwood
patent: 4077317 (1978-03-01), Kiesewetter et al.
patent: 5456169 (1995-10-01), Rohwetter et al.

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