Bookbinding: process and apparatus – Apparatus – Edge binding apparatus
Patent
1998-10-23
2000-03-14
Fridie, Jr., Willmon
Bookbinding: process and apparatus
Apparatus
Edge binding apparatus
412 39, 412 9, B42B 510
Patent
active
060364238
ABSTRACT:
A compact and portable coil inserting machine for binding stacks of sheets having a plurality of perforations along a first side edge. The machine includes a frame having a support surface configured to support a stack of sheets thereon. A power roller is rotatably mounted to the frame, and extends along at least a portion of the support surface to drive a helical coil through the perforations in the stacked sheets. The coil-inserting machine further includes at least one guide that is movably mounted to the frame, and shifts between first and second positions. The guide includes a first concave guide surface that abuts an opposite side edge of the stacked sheets when the guide is in the first position, such that the perforations in the stacked sheets form a curved passageway corresponding to the curvature of a first coil size. The guide also includes a second concave guide surface defining a second curvature corresponding to the curvature of a second size of helical coil that is different than the size of the first coil. The second guide surface abuts the stacked sheets when the guide is in the second position, such that the perforations in the stacked sheets form a curved passageway corresponding to the curvature of a second coil size and facilitate insertion of the second-sized coil in the perforations. The guide can be quickly and easily reconfigured to accommodate helical coils of different sizes to facilitate insertion of the various coils through the perforations of the stacked sheets.
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Huizingh Todd M.
Melton John E.
Swaim Jeffrey A.
Toll Christopher C.
Westra Michael A.
Fridie Jr. Willmon
Thurston Alisa L.
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