Patent ID: 7530604

Claim:
A connector coupling connecting a flexible hose to a rigid metal tube in fluid communication comprising: a hollow flexible hose having an end; a rigid metallic tube having a free end, an upset spaced from said free end, and an outer cylindrical surface extending between said free end and said upset; said coupling having a body comprising: a hose end defining a hose receiving bore, a tube end defining a tube receiving bore, a hollow barrel in said hose receiving bore, said tube receiving bore including, an enlarged diameter bore portion adjacent said tube receiving end, a reduced diameter bore portion inward of said enlarged diameter bore portion and in fluid communication with said hollow barrel, a radial annular wall separating said reduced diameter bore portion and said enlarged diameter bore portion, said reduced diameter bore portion terminating in an axially innermost annular wall spaced from said annular wall separating said reduced diameter bore portion and said enlarged diameter bore portion and said hose disposed on said barrel with said hose end disposed in said hose receiving bore, said tube is disposed in said tube receiving bore with said free end of said tube in said reduced diameter bore portion in contact with said innermost annular wall portion and said upset is spaced from said radial annular wall separating said reduced diameter bore portion and said enlarged diameter bore portion and said upset disposed in said enlarged diameter bore portion and a seal member is disposed about said cylindrical surface of said tube between said radial annular wall and said upset; wherein said hose receiving bore of said coupling body includes an annular wall surrounding said barrel and said tube reviving end includes a reduced diameter annular wall portion adjacent said tube receiving end, said annular wall of said hose end of said coupling is crimped onto said hose and said reduced diameter wall portion at said tube end is crimped onto said tube.