Traversing hoists – Boom or mast
Reexamination Certificate
2008-01-29
2008-01-29
Brahan, Thomas J. (Department: 3654)
Traversing hoists
Boom or mast
Reexamination Certificate
active
07322484
ABSTRACT:
A moisture shedding system for hollow boom (30) is disclosed. The system has at least one drainage aperture (38) in or adjacent a lower wall of the boom and a fluid director (45) is associated with the aperture for directing fluid on the inner surface of the lower wall to the aperture to allow fluid to be drained from the boom.
REFERENCES:
patent: 3385395 (1968-05-01), Kurt et al.
patent: 3418967 (1968-12-01), Donkersloot
patent: 3710950 (1973-01-01), Pottorff et al.
patent: 5409345 (1995-04-01), Pinkston
patent: 5878540 (1999-03-01), Morstein
patent: 6164468 (2000-12-01), Erdmann
Brahan Thomas J.
Foley & Lardner LLP
Redmond Gary Australia Pty. Ltd.
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