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US 7,070,331 B2Granted
Hinge bolt modular unit
AssigneeVoest-Alpine Bergtechnik Gesellschaft m.b.H.
InventorsKurt Schaffer, Bernhard Ebner, Erich Brandl
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AssigneeVoest-Alpine Bergtechnik Gesellschaft m.b.H.
InventorsKurt Schaffer, Bernhard Ebner, Erich Brandl
Estimating the term…
The joint-pin modular unit for articulately connecting a fork-type or stirrup device (1) with a connecting eye embracing a joint pin (8) of the fork-type or stirrup device (1), includes at least one seal (9) provided between the connecting eye and the pin, wherein the joint pin (8) is rotationally guided in bearing bushes (6, 7) of the fork-type or stirrup device (1) and annular seals (9) are arranged between the connecting eye and the bearing bush end faces located adjacent to the connecting eye. The externally located end faces of the pin (8) are closed by covers (10, 11) tightly covering the bearing bushes (6, 7), wherein the surface of the pin is surrounded by a lubricant film and at least one substantially axial bore (13), and a plurality of radial bores (14, 15) leading to the surface of the pin, are provided for the supply of lubricant.
A joint-pin modular unit for articulately connecting a fork-type or stirrup device (1) with a connecting eye embracing a joint pin (8) of the fork-type or stirrup device, comprising a plurality of seals (9) provided between the connecting eye and the pin (8), wherein the joint pin (8) is rotationally guided in bearing bushes (6, 7) of the fork-type or stirrup device (1) and externally located end faces of the pin (8) are closed by covers (10, 11) tightly covering the bearing bushes (6, 7), and a surface of the pin is surrounded by a lubricant film, wherein said seals are sliding ring seals (9) and are arranged between the connecting eye and bearing bush end faces located adjacent to the connecting eye, and wherein at least one substantially axial bore (13), and a plurality of radial bores (14, 15) leading to the surface of the pin in cross-sectional planes of the sliding ring seals, are provided for supply of lubricant.
A method of mounting of advance-working or actuating cylinder-piston units of cutting booms, comprising the steps of
Dependencies are inferred from the claim text.