Cam drive for matrix print heads and the like

Details Cam drive for matrix print heads and the like Cam drive for matrix print heads and the like

B - Operations, Transporting

41

J

101/93

B41J 19/50 (2006.01) B41J 19/20 (2006.01) B41J 19/56 (2006.01)

Patent

CA 1083884

Abstract of the Disclosure In a print head assembly for calculators and the like, the print head is reversibly driven in a print and return direction transversely of the direction of advancement of the recording medium by a drum segment having a cam drive in the form of an endless helical groove which extends along a cylindrical surface of re- volution between opposite ends of a drive axle mounted in driving relation to the print head so that rotation of the drum will impart translational movement to the print head through a suitable drive member engaged by the heli- cal groove at a preselected rate of speed both in the print and return direction.

278029

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