DE2017346A1 - Pipe contact switch - Google Patents

Description

Dipl.-Phys. Leo Thul 201 7 3 4 C.

Patent attorney

Stuttgart 30.00

Short street 8

F.P. Mason - V. Bansal-76-1

GREED & COMPANY LIMITED, Brighton, England

Pipe contact switch

The invention relates to a tube contact holder. This Tube contact switch has several tube contact sets according to the invention, a magnet system fixed to the contact sets for closing the contacts and a highly permeable screen, which is assigned to each contact set and between a first position in which it removes the associated contacts from the magnetic field of the Magnet system shields and thereby leaves the contacts open, and a second position in which the magnetic field close the contacts can, can be moved.

Figure 1 shows a conventional pipe contact switch and

Figure 2 shows an embodiment of such according to the invention.

The tubular contact switch according to Figure 1 contains several sets of contacts 1, each of which has a magnet 2. When the magnets in the position shown, the magnetic field at the contacts is sufficient off to close them. Each magnet can be moved relative to its associated set of contacts so that its magnetic field is no longer sufficient to close the corresponding contacts. This position is indicated by the dashed line for the middle one Magnet shown by Figure 1. Each contact set can thus be selectively tively controlled by moving its associated magnet.

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26 * 3.1970 - - - -2, -

009846/1569

BATH ORIGINAL

201734C

F.P, Mason - V. Bansal-76-1 - 2 -

A disadvantage of this arrangement ^ <arin, ^r * afs i.ei, Noher packing density of the contact sets between two adjacent contact sets crosstalk for reliable control of the contact sets is so great that it is disturbing.

Figure 2 shows a Kohrkontaktschalter, in which this disadvantage is avoided. This arrangement contains several parallel contact sets 1 and a magnet system 3 t that to the contact sets Closing the contacts is relatively fixed. With this execution For example, the magnet system consists of a single permanent magnet, which, as shown, is magnetized, but also stationary May contain single magnets or electromagnets that are not energized when the assembly is out of service. Each contact set 1 is of a corresponding high permeability hollow cylindrical screen * f, which in the position shown the The associated pipe contacts shield against the magnetic field of the permanent magnet 3 and thereby die.Kontakte despite the magnetic field leave it open.

Each screen k can be brought into a position parallel to the axis of the associated contact set in which the magnetic field of the system closes the contacts.

fc this position is indicated by dashed lines for the middle one

Screen shown. The contact set "may thus by moving the screens k- be selectively controlled. The axial movement of the screen is shown in an exaggerated manner in the drawing. In practice, a movement of a few millimeters is sufficient.

A practical application of the ax aid described in Figure 2 Arrangement can be in an electronic key set for controlling a Transmitter, for example a telex, take place. In this case the screens move when you press »the appropriate button Keys. Each screen can be replaced by a stiff wire or ribbon, which is connected to the screen at one end and in

009846/156 9

BATH ORIGINAL

? Ω 1 7 ^ /.
FP Mason - V. 3ansal-? 6-1 ■ - 3 - ' ^T

Direction of movement of the screen runs, are moved. It is
not necessary that the wire or tape take all of the weight
of the screen, since it is at least partially held by the associated contact sets.

It is advantageous to manufacture the screens from originally flat, rectangular pieces of highly permeable material that are bent into a cylinder. But there are also screens of other shapes possible. Furthermore, in the event that the shields do not completely surround the contact sets, their direction of movement does not need to be
to run parallel to the axis of the contact set.

5 claims
1 drawing, 2 fig.

009846/1569 /, ^ _{0 0RIGINAL}

Claims (1)

- - ■ ■ - ■ c; ; .- ■ _ - .- ■ ■ /:. .-. -2017841 With several contact gates, one the g "den KbntaHtsätgen gum closing the relatively fepi> gt§bt _f " to a counteracting the jjedea Kentafcteats gugeerformed that ^ eäer ücMra (^) in a first place, in the §§ the gvigehörifea contacts (1) against the magnetic field of the Magnet systems (^) sfoeohiiOt and thereby the contacts open stay, and can be bpaQht in a second position, in who closes the Mapietfeld the contacts * meh Aneprueh 1, dadurgh:;. fgfegM ?? j-? J!? gj » ^aaiB ^ ^ie Kon * (i) run parallel to each other. aaeb request 1 or 3 partly from the appropriate contact i ^ g ^ that p au? " Axis of the ti) aarelt Aaspi-ueh 4 » giaA _t which the iaie ^ yigta Keatatetsa't ^ is (1> 141/1 lit