When we talk about hook height, we are talking about the elevation at which the hoist hooks to the trolley on the bridge. LET ME REPEAT THIS - THE HOOK HEIGHT IS THE ELEVATION AT WHICH THE HOIST HOOKS TO THE TROLLEY IN THE BRIDGE.
In most crane applications the hook height is extremely important. Hook height is extremely important because people want to have the ability to lift something as high as they need to. They might want to lift something 20ft into the air, or they might want to lift something 3ft into the air. It all depends on the application. But one thing still remains certain - people want the highest hook height they can get.
This is where there is a conflict. See, 95% of our customers (roughly 1 million) install cranes inside a warehouse, shop, what-have-you. The problem is simple: The roof sometimes does not allow them to reach the hook height that they want with a normal system. This is when we go above and beyond (no pun intended).
When the roof is low and a high hook height is needed, we offer a solution called raised bridge ends. Raised bridge ends do exactly what it says - it raises the bridge ends so that the bridge is in the same plane as the runway. I'll just show you a picture... So there you have it, our solution when you need to achieve the highest hook height.
read more at: http://kundelcranes.wordpress.com/2011/10/04/raised-bridge-ends/
