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Method to Clear and Reposition Cutter Blade from "Jam" Position

IP.com Disclosure Number: IPCOM000189331D
Original Publication Date: 2009-Nov-05
Included in the Prior Art Database: 2009-Nov-05
Document File: 1 page(s) / 135K

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The disclosed solves the issue of jammed cutter blade, preventing proper opening of the printer cover. It is a unique method to retract a moving cutter blade when it becomes 'jammed' during a cut cycle, via a clutch spring and keyhole designed gear assembly.

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Method to Clear and Reposition Cutter Blade from "Jam" Position

This idea includes a clutch spring on the feed roller shaft that winds during a cut (see Figure 2 below). The spring is "free" when the cut is completed. If the cut does not complete (due to a jam or some other reason), then when the cover is opened, the spring unwinds and moves the cutter mechanism back the home position. There is a keyhole in the cutter cam/gear for the spring post so that it stops in the correct home position spot (see Figure 1 below).


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