Operating modular conveyor belts with migrating hinge pins
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United States of America Patent
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Aug 12, 2003
Grant Date -
May 1, 2003
app pub date -
Oct 31, 2001
filing date -
Oct 31, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Structure and method for maintaining side-by-side belt modules aligned in a belt row of a modular conveyor belt in the absence of a hinge pin along at least a portion of one end of the belt row. Mating engagement structure on confronting sides of side-by-side modules maintains the modules in alignment. One version of mating engagement structure includes a protrusion, such as a rectangular pad, extending from a side of a belt module and a mating receptacle formed at the confronting side of an adjacent side-by-side module. The receptacle is defined by discontinuous wall structure forming a gap opening toward the top or bottom surface of the module. The modules are put together by sliding the protrusion into the receptacle through the gap in the wall structure. When modules with the mating engagement structure are interconnected side by side by a hinge pin through the hinge eyes along one end, the modules remain aligned despite the absence of a hinge pin interconnecting the hinge eyes on the opposite end.
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