Static structures (e.g. – buildings) – Mechanism operated relatively movable shaft assembly – Tilts relative to base
Reexamination Certificate
2007-01-24
2009-08-18
Canfield, Robert J (Department: 3633)
Static structures (e.g., buildings)
Mechanism operated relatively movable shaft assembly
Tilts relative to base
C052S121000, C052S632000, C212S350000, C343S874000
Reexamination Certificate
active
07574832
ABSTRACT:
A portable telescoping tower assembly. The assembly includes a tower mounted on a trailer wherein the tower includes a plurality of telescoping sections that extend for use and retract and nest for storage and transportation. At least one cylindrical ram moves the tower between horizontal and vertical positions. A motor extends and retracts the plurality of sections. Each of the sections includes a plurality of external edges with each of the external edges including at least one protruding guide to mate with and receive an adjoining section.
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Canfield Robert J
Demuren Babajide
Head, Johnson & Kachigian P.C.
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