Bridges – Deck – Joint
Patent
1996-06-12
1998-07-28
Lisehora, James
Bridges
Deck
Joint
52668, 404 70, E04C 242
Patent
active
057847410
ABSTRACT:
A weldless grating comprising primary, secondary tertiary members wherein top and bottom slots in the secondary load bearing member form a locking engagement with the web surrounding openings in the primary load bearing members, the secondary load bearing members having secondary downwardly extending slots through the upper edge, the slots having an upper portion extending downwardly from the upper edge and a lower portion located below the upper portion, the upper portion having a first extent and the lower portion having a second extent, the first extent being greater than the second extent.
REFERENCES:
patent: 2128753 (1938-08-01), Lienhard
patent: 2190214 (1940-02-01), Nagin
patent: 2354054 (1944-10-01), Plyn
patent: 2359632 (1944-12-01), Eales
patent: 2485090 (1949-10-01), Finch
patent: 2645985 (1953-07-01), Beebe et al.
patent: 2740335 (1956-04-01), Greulich
patent: 2834267 (1958-05-01), Beebe
patent: 3260023 (1966-07-01), Nagin
patent: 4452025 (1984-06-01), Lew
patent: 4490066 (1984-12-01), Hanion
patent: 4780021 (1988-10-01), Bettigole
patent: 4865486 (1989-09-01), Bettigole
patent: 4928471 (1990-05-01), Bartley
patent: 5228260 (1993-07-01), Dziedzic
patent: 5463786 (1995-11-01), Mangone et al.
patent: 5604949 (1997-02-01), Mangone
patent: 5642549 (1997-07-01), Mangone
Alexander Andrew
Lisehora James
Mangone Enterprises
LandOfFree
Weld-free gratings for bridge decks with improved slotted openin does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Weld-free gratings for bridge decks with improved slotted openin, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Weld-free gratings for bridge decks with improved slotted openin will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-13318