Railways – Trolley rails
Reexamination Certificate
2006-04-03
2008-10-21
Olson, Lars A (Department: 3617)
Railways
Trolley rails
C414S280000, C414S281000
Reexamination Certificate
active
07437999
ABSTRACT:
A side buffer40is provided on a side of a traveling rail6of an overhead traveling vehicle8. Multiple levels of racks41, 42are provided. The overhead traveling means8has elevating and lowering means including components such as a linear guide32and a ball screw26for elevating and lowering a lateral movement unit16.
REFERENCES:
patent: 4402173 (1983-09-01), Thierion
patent: 4648777 (1987-03-01), Eichenauer
patent: 4756657 (1988-07-01), Kinney
patent: 2004/0126208 (2004-07-01), Tawyer et al.
patent: 05-077906 (1993-03-01), None
patent: 06-293492 (1994-10-01), None
patent: 11-011843 (1999-01-01), None
patent: 2005-206371 (2005-08-01), None
Japanese Office Action dated Apr. 16, 2008 (mailing date), issued in corresponding Japaneses Patent Application No. 2005-108744.
Murata Kikai Kabushiki Kaisha
Olson Lars A
Westerman, Hattori, Daniels & Adrian , LLP.
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