De-coupling device for sheet reversing mechanism
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United States of America Patent
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N/A
Issued Date -
Jun 7, 2007
app pub date -
Dec 5, 2006
filing date -
Dec 7, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention aims at providing fully automated de-coupling device with smooth switching operation and durability. Basing upon mounting ring 16, regulating gear 20 is disposed in parallel with fixed gear 18 to shaft 10 of reversing cylinder. Pressure lever 32 tightens the regulating gear 20 to the reversing cylinder by lever principle. One end of the pressure lever 32 is urged by plate spring 28 at the center of the shaft 10 and, by temporally breaking off thrust of plate spring 28, the regulating gear 20 is released. Shifting member 34 for temporally breaking off thrust against the plate spring 28 has a pair of screw bolt 36 and nut 44 and is co-axially positioned with the shaft 10. One end of screw bolt 36 is regularly engaged with power source 48 and the other end can be pressed onto the pressure lever 32 in opposition to plate spring 28. The screw nut 44 is pivotally attached via radial bearing 54 to flange member 22 which is fixed to the end of the shaft 10. Stay 58 protruded from press body prohibits movement of the screw nut 44 in relation to the press body. Flange portion 52 of screw nut 44 abuts against the flange member 22 via thrust bearing 56.
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