Cargo restraint device

Details Cargo restraint device Cargo restraint device

2000-02-22

2001-04-10

Gordon, Stephen T. (Department: 3612)

Freight accommodation on freight carrier

Load lashing retainer or load lashing adjunct

Anchor

C410S101000

Reexamination Certificate

active

06213696

ABSTRACT:

FIELD OF INVENTION
This invention relates to cargo restraint devices for providing anchorage for cargo or a child seat in an automotive vehicle.
BACKGROUND OF THE INVENTION
Various designs of cargo restraints or the like are shown in the following U.S. Pat. Nos. 283,320; 607,543; 2,701,114; 3,002,723; 3,033,600; 5,248,176; and British 1,433,279. This art suggests that it is old to utilize a D-ring or the like with an anchor bracket which can swivel around a fastener projecting through the bracket for attaching it to a member upon which the cargo restraint is to be mounted. In British Patent 1,433,279, a ring for receiving a seat belt strap has coaxially aligned ends received in a cylindrical passageway at one edge of the bracket with ends of the ring projecting laterally slightly into an opening formed in a wall of the bracket.
Problems with prior art restraint devices of the character shown in the aforementioned patents and in other restraint devices which have been on the market is that such devices are not capable of withstanding the shock loadings occurring when automotive vehicles are involved in crashes. The ends of the D-ring have pulled out of the anchor brackets. To overcome this deficiency, it has been suggested that the ends of the D-ring be welded together. Such welding increases the cost of the restraint device and requires a secondary manufacturing operation.
SUMMARY OF THE INVENTION
My cargo restraint device which is useful in anchoring cargo or a child seat in an automotive vehicle allows the D-ring to pivot in the anchor bracket with a slight friction which is sufficient to prevent rattling, binding or problems of alignment of the D-ring in the anchor bracket. Importantly, the ends of the D-ring are cold-headed and spaced slightly apart such that upon assembling the D-ring to the bracket, the cold-headed ends of the D-ring may be squeezed slightly together and after the ends are enclosed by the bracket, the ends are released and will then bear against opposed surfaces of the bracket not only to prevent withdrawal of the ends from the anchor bracket but also provide the anti-rattling feature heretofore mentioned.


REFERENCES:
patent: 283320 (1883-05-01), Basinger
patent: 607543 (1898-07-01), Keating
patent: 2701114 (1949-12-01), Donaldson
patent: 3002723 (1961-10-01), Daum
patent: 3033600 (1962-05-01), Drysdale
patent: 4431352 (1984-02-01), Andrews
patent: 4715754 (1987-12-01), Scully
patent: 4818162 (1989-04-01), Zukowski et al.
patent: 5052869 (1991-10-01), Hansen II
patent: 5180263 (1993-01-01), Flower, Jr.
patent: 5248176 (1993-09-01), Fredriksson
patent: 5774948 (1998-07-01), Petschke et al.
patent: 6065917 (2000-05-01), Shambeau et al.
patent: 1433279 (1976-04-01), None

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