| 摘要 |
<p>An article carrier is supported upon a pair of endless roller chains for movement along an endless path having horizontal upper and lower runs extending between end sprockets of like radius. Inner and outer support plates are fixedly mounted upon the carrier at the inner and outer sides of the endless path and formed with opposed chain engaging edges including spaced parallel straight edge sections which upon a plurality of rollers to support the carrier and to frictionally couple the carrier to the chains when the carrier is on the upper or lowr run. The carrier is positively coupled to the chains during transit of the curved portions of the path defined by the sprocket by concave recesses at opposite ends of the straight edge section of the inner support plate in which rollers of the chain are seated and held by the tangential engagement of the straight edge of the opposed outer plate with a roller intermediate the seated rollers.</p> |
