Printing mechanism with drive for axially movable distributing r

Details Printing mechanism with drive for axially movable distributing r Printing mechanism with drive for axially movable distributing r

1977-09-09

1979-10-09

Fisher, J. Reed

Printing

Printing members and inkers

Rolling-contact printing member

101349, 101DIG14, B41F 3114, B41L 2716

Patent

active

041701763

ABSTRACT:
A device for controlling the movement of hollow workpieces in, for example, a printing mechanism environment. Cam surfaces are locked to the interior of the hollow work performing member. A spindle is provided having secured thereto cam rollers operatively connected to the cam surfaces. The cam surfaces are identical in shape and are oriented so that a movement of the cam rollers relative thereto will effect an axial shifting of the hollow work member relative to the spindle. The spindle is driven for rotation by a first drive mechanism. The hollow work member is driven for rotation by a second drive mechanism which can be, in the printing machine environment, a frictional force applied by other driven rollers in the system. When the rotational speed of the spindle is in excess of the rotational speed of the hollow work member, the cam rollers wil move relative to the cam surfaces and effect the aforesaid axial shifting. The same operation will occur when the rotational speed of the spindle is less than the rotational speed of the hollow work member. As a result, color which is applied to the hollow work member will be evenly applied due to the aforesaid axial movement. In addition, the amount of axial movement can be accurately controlled by controlling the rotational speed of the spindle and the hollow work member.

REFERENCES:
patent: 717239 (1902-12-01), Mellen
patent: 884872 (1908-04-01), Sixt et al.
patent: 1030917 (1912-07-01), Osborn
patent: 1733168 (1929-10-01), Pritchard
patent: 2406928 (1946-09-01), Taylor et al.
patent: 3452673 (1969-07-01), Gegenheiner et al.
patent: 3815498 (1974-06-01), Harrod

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