Implements or apparatus for applying pushing or pulling force – Vehicle attached jack – Semi-trailer landing gear
Reexamination Certificate
2006-12-26
2006-12-26
Wilson, Lee D. (Department: 3723)
Implements or apparatus for applying pushing or pulling force
Vehicle attached jack
Semi-trailer landing gear
C254S425000, C280S475000
Reexamination Certificate
active
07152848
ABSTRACT:
A thrust bearing for receiving thrust loads along the axis of a rotating shaft. The thrust bearing comprising a first bearing member having a race, a second bearing member having a race and ball bearings received in the races of the first and second bearing members for permitting relative rotating motion of the first and second bearing members. The second bearing member being formed to engage a rotating shaft to transmit axial forces between the shaft and the thrust bearing.
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Exhibit A is a leg of a prior art landing gear sold at least as early as Jul. 1, 2002.
Baechler Kim G.
Hensiek Gary D.
Pfleging, Jr. Richard J.
Tubbe Matthew P.
Price Heneveld Cooper DeWitt & Litton LLP
The Holland Group, Inc.
Wilson Lee D.
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