US Patent 10907755 Wide range coupling

A wide range coupling includes a body, the body defining a first body end and a second body end, the body defining a body bore extending through the body from the first body end to the second body end, the body bore defining an axis, the body defining a body shoulder disposed at the first body end, the body shoulder extending radially inward into the body bore; and an end ring, the end ring positioned over the first body end, the end ring defining a ring shoulder extending radially inward towards the body; and a gasket connected to the end ring, the gasket disposed within the body bore, the end ring and the gasket configured to axially travel along the axis relative to the body, the end ring and the gasket selectively positionable about and between an engaged position and a disengaged position.