Lubrication – Systems – Gearing
Reexamination Certificate
2003-09-03
2008-09-30
Kim, Chong H (Department: 3682)
Lubrication
Systems
Gearing
C383S202000, C074S467000
Reexamination Certificate
active
07428949
ABSTRACT:
The invention describes an arrangement of lubricating grease inside the housing of a gear unit with rotatable components, particularly the gear unit of a jack. It also describes a grease pouch for receiving lubricating grease and a method for lubricating the gear unit with lubricating grease. Since the gear units are often not transported in their installed position, oil that has separated from the lubricating grease may leak from any gearbox openings. Thus, one of the objects of the invention was to provide an arrangement of lubricating grease in the housing of a gear unit, which on the one hand provides lubrication of the gear unit so that it is ready for operation in its delivery condition and on the other hand effectively prevents the oil separated from the lubricating grease from leaking prior to initial startup. This object is attained by enclosing the lubricating grease within at least one grease pouch prior to initial startup of the gear unit. The at least one grease pouch is inserted into the housing of the gear unit so as to contact the components. Upon initial startup the at least one grease pouch is torn open by the action of the components and releases the lubricating grease.
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Algüera José
Müller Gerald
Hudak, Shunk & Farine Co. LPA
Jost-Werke GmbH
Kim Chong H
LandOfFree
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