REPLACEABLE SHEAR BLADE FOR BOOK TRIMMING APPARATUS AND METHOD OF CHANGING SUCH BLADE
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United States of America Patent
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Issued Date -
Jun 23, 2011
app pub date -
Dec 16, 2010
filing date -
Dec 17, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A replaceable shear blade for a book trimming apparatus, the latter comprising a shear carriage having the replaceable shear blade mounted thereon. The shear blade has a sharp cutting edge for shearing a book between an anvil and the cutting edge. The shear blade is removably mounted with respect to the shear carriage for replacement of the shear blade, where the shear blade is removably secured relative to the shear carriage by a plurality of fasteners accessible from above. A removable sheath encloses the cutting edge. At least one removable handle is secured to the shear blade so that the shear blade and the sheath may be handled as a unit, with this handle being grippable from above for installation of the shear blade on the shear carriage, and with the handle and the sheath being removable from the shear blade upon installation of the shear blade on the shear carriage. A method of installation and removal of the shear blade is also disclosed.
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