1975-11-26
1977-09-27
Capossela, Ronald C.
15238, 52473, 98114, 98121R, F24F 1300
Patent
active
040503666
ABSTRACT:
The present invention relates to an improved grating structure comprising carrying bars, and a plurality of ribs interlocked in said bars. Each of said ribs has holes strategically placed on their extremities such that a locking rod may be inserted through said holes so as to tie the ribs to the carrying bars. The grating structure may be further stabilized by the utilization of locking plates on the ends of the carrying bars.
REFERENCES:
patent: 2845150 (1958-07-01), McBerty
patent: 3060834 (1962-10-01), Cira
patent: 3333525 (1967-08-01), Tischuk
patent: 3730074 (1973-05-01), Helwig
Frodin Gunnar Sten
Wiklund Curt Helmer
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