In an automated transport system which includes a rail, a plurality of free traveling trolleys riding on the rail, and chain driven pushers for propelling the trolleys along the rail, a bracket is provided on the chain for each pusher which allows a trolley located far in advance of the pusher to move into engagement with the pusher and thereafter limits the distance it can move ahead of the pusher, as for example when the trolley rides on a downwardly sloping portion of the rail. The brackets are made of plastic and are releasably connectable with the chain, with a snap fit action, so that they can be easily added to or removed from the chain as required to adapt the chain to a given application.
This is a continuation of co-pending application Ser. No. 738,089, now abandoned, filed on May 24, 1985 and titled Restricting Bracket for Automatic Transport System.
A track expanding device is employed in a conveyorized transport system to spread apart adjacently disposed sections of track thereby tensioning an endless chain travelling with these track sections. The expanding device comprises a splice and an expander having a threaded member for engaging with the splice with each of the splice and the expander being connected to an associated one of the adjacently disposed track sections thereby tensioning the endless chain as the threaded member is rotated.
