Manifold

Details Manifold Manifold

2000-03-14

2001-03-06

Fox, John (Department: 3753)

Fluid handling

Convertible

C285S133110

Reexamination Certificate

active

06196256

ABSTRACT:

The invention relates to a manifold in accordance with the preamble of claim
1
.
Such a manifold has become known by AT 487 U1 for example.
In this known manifold several housings can be inserted with their necks into an enlargement of the main conduit of the respectively adjacent housing. For securing the mutual position and for securing the unity of two housings, open recesses are provided on the face sides of the housings and on their jacket surfaces, which open recesses are provided with an enlargement at a distance from the associated face side. Small “dog-bone-like” plates are pressed substantially perpendicularly to the jacket surfaces of the housing into the recesses of two mutually adjacent housings.
This leads to the disadvantage, however, that the recesses and the small plates must be produced with a respectively high precision in order to ensure a secure unity of the housings and to avoid undesirable mutual movements of the housings of a manifold.
Moreover, this solution leads to the further disadvantage that plates can easily be lost during on-site assembly, particularly at larger construction sites. Assembly can only be continued when new plates have been procured.
It is the object of the present invention to avoid such disadvantages and to provide a manifold of the kind mentioned above in which the individual housings can be rapidly connected with one another and where the loss of important parts during assembly is prevented.
This is achieved in accordance with the invention in a manifold of the kind mentioned above by the characterizing features of claim
1
.
The proposed measures allow joining the housings of a manifold in a simple manner. It is sufficient to insert the housings to be connected into one another and to mutually twist the same against one another.
The sections of the recesses of the interior wall of the enlargement of the main conduit of the housing, which sections substantially extend in the circumferential direction, are provided with a small incline, thus resulting in a frictionally connecting bayonet catch. However, this leads to the necessity of adhering to relatively narrow tolerances in order to avoid major positional deviations, in particular a mutually twisted position of two mutually connected devices.
The features of claim
2
lead to the advantage of securing the mutual position of two mutually connected housings of a manifold. An incline of the sections of the interior wall of the enlargement of the housing which substantially extend in the circumferential direction can be omitted, with the latching noses and latching recesses determining the mutual position of the two mutually connected housings. The latching leads to a high amount of security against inadvertent detachment of the connection by vibrations for example, since a slight elastic deformation of the housing will occur particularly during the latching.
The features of claim
3
can be provided for further securing the position of the housing. The insertion of the securing plates only represents an additional securing measure and is not mandatorily required, so that a loss of such securing plates during the on-site assembly will not impair further assembly in any way whatsoever. The securing plates can also be inserted after completion of a manifold in accordance with the invention.


REFERENCES:
patent: 3506029 (1970-04-01), Demler et al.
patent: 4782852 (1988-11-01), Legris
patent: 000 487 (1995-11-01), None

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