Patent ID: 6848572

Claim:
A conveyor system comprising: a conveyor beam having a pair of integrally formed upper flanges defining an upper channel having a width (W 1 ) and a pair of integrally formed lower flanges defining a lower channel having a width (W 2 ), the width (W 2 ) being smaller than the width (W 1 ) of the upper channel; a conveyor chain having a retaining portion which has a width (W 3 ) larger than the width (W 2 ) of the lower channel, but smaller than the width (W 1 ) of the upper channel, the retaining portion being positioned on said chain such that the chain is restrained in the lower channel, but is adapted to be freely lifted out of the upper channel, the retaining portion further having an opening extending therethrough; and a pin having a width (W 4 ) larger than the width (W 2 ) of the lower channel, but smaller than the width (W 1 ) of the upper channel, said pin located in the opening in the retaining portion.