These are Take-up Corners for a Grain Pump Loop, the one with the weights is a gravity take-up and is only meant to be used in a vertical orientation, the other is a manual take-up designed to be used in any orientation.
Well I have been working and creating designs lately, they have just been a little more complicated and time consuming, also no one works in March due to Hockey and Basketball...
Here is a hopper for a drag conveyor. More to come.