Patent ID: 7841461

Claim:
A transport conveyor comprising: a frame; a motor, said motor supported at said frame; a plurality of rollers, said rollers rotatably supported at said frame; an endless drive belt driven by said motor, said drive belt adapted to drive said rollers; and a carriage assembly supported at said frame, said carriage assembly comprising a support member, a contact member, a spring, and a retraction device; wherein said contact member is supported at said support member and adapted to engage said drive belt, wherein said spring is disposed between said support member and said contact member and is adapted to bias said contact member upwardly to bias said drive belt upwardly into contact with said rollers, and wherein said retraction device is supported at said support member and adapted to selectively retain said contact member to lower said drive belt out of contact with said rollers, wherein said retraction device comprises a movable clasp for engaging said contact member to selectively retain said contact member.