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A remote adjustment jacking mechanism is shown employing differential threads to accomplish fine adjustment.
English (United States)
This text was extracted from a PDF file.
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100% of the total text.
Page 1 of 2
Front Adjustable Developer
A remote adjustment jacking mechanism is shown employing differential
threads to accomplish fine adjustment.
Specifically, a jacking rod 10 has different threads at ends 11, 12. The end
12, having the coarser threads, is threaded through the machine frame 13, and a
riding block 14 is mounted on the end 11, having the finer threads. One end of
the rod 10 is unthreaded at the tip 15 and is slidably and rotatably mounted in a
hole 16 in another part 17 of the machine frame.
Thus, rotation of the rod by turning end 18 moves the rod and the block at
different rates, the block being connected to jacking arms 19. The differential
movement allows a precise height adjustment of the jacking mechanism which
controls the height of the copier developer mechanism at a point remote from the
end of the rod being turned.
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