Metal working – Method of mechanical manufacture – Assembling or joining
Reexamination Certificate
2006-03-28
2006-03-28
Jimenez, Marc (Department: 3726)
Metal working
Method of mechanical manufacture
Assembling or joining
C029S258000, C029S266000, C029S256000, C269S276000, C285S039000, C285S903000
Reexamination Certificate
active
07017253
ABSTRACT:
A culvert band installation tool includes two end plates that are substantially parallel to one another and a bolt to draw the end plates together facilitating the culvert band installation process. The ends plates are maintained substantially parallel to one another by using slip shafts that pass through long sleeves that pass through holes in the end plates. The slip shafts are substantially parallel to the bolt. Indexing pins are installed in the end plates that engage holes in the flanges of the culvert band. A band is installed by using the culvert installation tool to clamp the flanges sufficiently close together to fasten with carriage bolts.
REFERENCES:
patent: 2787442 (1957-04-01), Lewis
patent: 2990738 (1961-07-01), Zysset
patent: 3051444 (1962-08-01), Stephenson
patent: 3108783 (1963-10-01), Foust, et al.
patent: 4091694 (1978-05-01), Parrish
patent: 4583724 (1986-04-01), Huang
patent: 5052608 (1991-10-01), McClure
patent: 5383693 (1995-01-01), Shade
patent: 6672578 (2004-01-01), Martens
Agrawal Christopher
Jimenez Marc
Sturm & Fix LLP
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