Pipe joints or couplings – Having plural independent paths – Parallel paths
Reexamination Certificate
2005-08-01
2008-12-16
Dunwoody, Aaron M (Department: 3679)
Pipe joints or couplings
Having plural independent paths
Parallel paths
C285S024000, C285S027000, C285S124100, C285S920000, C037S468000, C414S723000
Reexamination Certificate
active
07464967
ABSTRACT:
A hydraulic quick coupling is described for the coupling of structural components. Two interacting quick-coupling parts are provided which are arranged respectively on the structural components, one quick-coupling part having at least one guide bolt which can engage in a centering bore of the quick-coupling part lying opposite it, each quick-coupling part being provided with coupling plugs or coupling sleeves for the connection of the hydraulic lines, and at least one quick-coupling part being arranged movably on one structural component in order to connect or separate the two quick-coupling parts.
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Mieger Rolf
Zitterbart Thomas
Alleman Hall McCoy Russell & Tuttle LLP
Dunwoody Aaron M
Kee Fannie
Liebherr-Hydraulikbagger GmbH
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