Chain – staple – and horseshoe making – Chains – Conduit
Reexamination Certificate
1999-11-15
2001-11-27
Jones, David (Department: 3725)
Chain, staple, and horseshoe making
Chains
Conduit
C248S049000
Reexamination Certificate
active
06321524
ABSTRACT:
The present invention concerns a system for the routing of bundles of wires, comprising a number of partly-cylindrical elements which are slotted to enable wires to be inserted therein, said elements being held together with a certain mutual distance between the ends of the partly-cylindrical surfaces, and in such a manner that a string of elements thus held together is more or less flexible. With such a string, it is possible to route wires in collected bundles and to insert new wires herein at any place along the string and from any sideways direction, and wires from the string can similarly be branched-out at desired places in any transverse direction.
Various configurations of such systems are known, e.g. in the form of slotted tube pieces which at the free ends have axially-projecting flanges by means of which the tube pieces are hinged together in a pivotable manner. This provides a loose-jointed and jangling structure which merely has the advantage that the string of tube pieces can be adjusted in length in accordance with requirements. With another known configuration, use is made of a through-going support string surrounded by retaining bushes, which on projecting wing parts support partly-cylindrical shield-plates, and which are mutually held together on the support string by means of axially-projecting coupling arms with pivot connection to intermediate coupling rings on the string. This configuration is less loose-jointed but, on the other hand, since the system is not easy to extend as desired, one is dependent on given lengths of string.
With the present invention, a third solution is disclosed which combines and even improves the advantages of the two known systems, and without adopting their disadvantages. According to the invention, use is made of two kinds of modular elements, i.e. wire-holding elements which are preferably made of semi-hard plastic and are built up with a central core part with radially-extending wing parts which support partly-surrounding shield plates, and distance elements which are intended to be assembled with the ends of said core parts for mutual axial separation and securing of these, and herewith together with these to form a central core in the system, and which are preferably made of soft plastic with the object of making the system as a whole flexible.
There can hereby be built up a more or less long holding system in accordance with requirements, and which is totally free of “loose-jointedness”, in that it will appear as a homogeneous string which is suitably flexible and has projecting shield parts for the implementation of the routing function.
REFERENCES:
patent: 3779003 (1973-12-01), Boissevain et al.
patent: 4582281 (1986-04-01), Van Camp
patent: 4840023 (1989-06-01), Borsani
patent: 5824957 (1998-10-01), Holshausen
patent: 5900586 (1999-05-01), Carr
patent: 196 17 900 (1996-12-01), None
patent: 0 260 740 (1988-03-01), None
patent: 0 412 233 (1991-02-01), None
patent: 2 233 163 (1991-01-01), None
Jones David
Raunkjaer Hans Thyge
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