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This cam and spline assembly reduces the size, complexity and cost of the prior print power boost attachment.
English (United States)
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Print Power Boost Attachment Cam
This cam and spline assembly reduces the size, complexity and cost of the
prior print power boost attachment.
The assembly 50 comprises a spline 52, a short length of cam 54, along
which the cam is arranged to slide but not to rotate, and a pair of aligner disks
The spline 52 is driven in the same manner as that of the original cam. The
cam 54 is only slightly wider than the existing embosser 26 and will slide on the
spline 52 as the embosser aligner plates 56, 58 follow the horizontal motion of
the embosser 26. As a print cycle is run, the spline 52 will be driven through one
complete revolution, causing the print cam 54 to depress the embosser 26 and
imprint the dot character pattern that the operator has encoded on the
conventional braille writer.
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