Patent ID: 9169949
Filing Date: 2015-10-27
Classification: F16L,Y10T

Abstract:
1. A loading arm comprising: a product delivery pipe pivotally coupled to a product standpipe such that the product delivery pipe is rotatable with respect to the product standpipe in at least a vertical plane; a rocker assembly coupled to the product delivery pipe; a support arm pivotally connected to the product standpipe and slidably coupled to the rocker assembly such that the support arm extends through and beyond the rocker assembly and the support arm and the rocker assembly are slidable with respect to one another, wherein the support arm comprises a plurality of slots; and a locking pawl affixed to the rocker assembly and selectively engagable with one of the plurality of slots in the support arm such that, when the locking pawl is engaged with one of the plurality of slots of the support arm, the locking pawl couples the support arm to the rocker assembly, thereby preventing the product delivery pipe from being raised in the vertical plane.