Patent ID: 6142294
Filing Date: 2000-11-07
Classification: B65G

Abstract:
A conveyor belt formed in an endless shape by sequentially coupling belt constituent units, each of which comprises:a cranked plastic connection piece formed by joining horizontal portions of two plates, each plate having an L-shaped cross section such that first and second vertical portions of the two plates are not located on the same side of said joined horizontal portions;a rod which is connected integrally with an inner side of said first vertical portion of the connection piece, and has a core-sheath structure consisting of a metal core portion and a plastic sheath portion;a connection shaft separate from said rod, provided on one portion of the connection piece; anda first connection hole formed in a portion of the connection piece where the connection shaft is not provided,wherein said belt constituent units are coupled with each other by bringing said first vertical portion or said second vertical portion of the connection piece of one belt constituent unit into contact with a cranked stepped portion of another connection piece of another belt constituent unit, and inserting the connection shaft into the connection hole such that the connection shaft is freely rotatable.