Systems and methods for repairing chains
AssigneeRexnord Industries, LLC
InventorsJoseph Leo Vento, David Richard Woods, Kyle Steven Jansson
Life of this patent
Estimating the term…
Abstract
A method of repairing a chain can include aligning a bore of an outer chain link with a bore of an inner chain link, inserting a pin through the aligned bores, the pin having a thread end opposite a head end, engaging a multi-jackbolt tensioner with the thread end of the pin, the multi-jackbolt tensioner having a plurality of fasteners, advancing each of the plurality of fasteners to press on the outer chain link, and forming an interference fit between the pin and the outer chain link at the bore of the outer chain link from the advancing of the fasteners.
Claims20
A chain repair system comprising:
- an inner chain link and an outer chain link each having a respective pair of bores;
- a pin including:
- a head end that defines a head;
- a thread end opposite the head end having threads;
- and
- a notch directed into a surface of the pin deeper than the threads of the pin, the notch being located between the head end and the thread end;
- a multi-jackbolt tensioner including:
- a plurality of fasteners;
- a press plate having a centrally located hole;
- and
- a plurality of other holes that surround the centrally located hole that are threaded, each fastener being configured to be received through and threadingly engaged with a respective hole of the plurality of other holes, and
- the multi-jackbolt tensioner is configured to engage the pin and is configured to be externally positioned relative to the outer chain link, and
- the multi-jackbolt tensioner is configured to create an interference fit between the pin and the outer chain link at the bore of the outer chain link.
Dependencies are inferred from the claim text.