Wire matrix print head apparatus

Details Wire matrix print head apparatus Wire matrix print head apparatus

B - Operations, Transporting

41

J

101/96.08

B41J 9/42 (2006.01) B41J 2/265 (2006.01)

Patent

CA 1208488

WIRE MATRIX PRINT HEAD APPARATUS Abstract The invention is a magnetically actuated clapper-style armature wire matrix print head. A light weight highly reliable and low cost design is achieved by utilizing single molded parts wherever possible. A unitary molded straight line channel wire matrix wire guide is molded as a single part. The flux return member is a single formed part with attached magnetic cores. The magnetic cores have thermal contact with attached or integral heat sink means that extend from the flux return member in the axial direction with the cores and which may be integrated with the support frame for the print head structure. A rebound absorbing backstop member receives the armatures on the rebound but also serves as a means of maintaining pivotal contact between the end of the armatures and the top edge of the flux return member so that a continuous flux path from the flux return member, through the armature and down through the cores of the electromagnets can be attained.

483513

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