Implements or apparatus for applying pushing or pulling force – Vehicle attached jack – Semi-trailer landing gear
Reexamination Certificate
2008-05-27
2008-05-27
Wilson, Lee D. (Department: 3723)
Implements or apparatus for applying pushing or pulling force
Vehicle attached jack
Semi-trailer landing gear
C254S425000
Reexamination Certificate
active
11447696
ABSTRACT:
A landing gear assembly comprises a first leg member adapted to couple to a vehicle frame member, and a second member operably coupled to the first leg member and moveable between a raised storage position and a lowered in-use position. The landing gear assembly further comprises a flexible member operably coupled with the drive mechanism and the second leg, such that the drive mechanism extends the flexible member and moves the second leg from the storage position to the in-use position, and wherein the flexible member is adapted to support a weight exerted on the first and second legs. In certain embodiments disclosed herein, the flexible member comprises a ribbon constructed of natural fibers. Other embodiments comprise additional pulleys and flexible members adapted to raise the second leg member from the in-use position to the raised storage position.
REFERENCES:
patent: 4129322 (1978-12-01), Kuntz, Jr.
patent: 5871069 (1999-02-01), Carmitchel
patent: 6893006 (2005-05-01), Drake, III
patent: 7152848 (2006-12-01), Pfleging et al.
patent: 2004/0099853 (2004-05-01), Verakis
patent: 2006/0108571 (2006-05-01), Verakis et al.
Price Heneveld Cooper DeWitt & Litton LLP
SAF-Holland, Inc.
Wilson Lee D.
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