GB1577102A

GB1577102A - Anti-tank weapons

Info

Publication number: GB1577102A
Application number: GB766778A
Authority: GB
Original assignee: Siemens AG
Current assignee: Siemens AG
Priority date: 1977-03-08
Filing date: 1978-02-27
Publication date: 1980-10-15
Also published as: DE2710014B2; FR2383420B1; DE2710014A1; FR2383420A1; DE2710014C3

Description

(54) IMPROVEMENTS IN OR RELATING TO ANTI-TANK WEAPONS (71) We, SIEMENS AKTIENGESELLSCHAFT, a German Company, of Berlin and Munich, Federal Republic of Germany, do hereby declare the invention, for which we pray that a patent ,may be granted to us, and the method by 'which it is to be performed, to be particularly described in and by the following statement: The present invention relates to anti-tank weapons. Operation of anti-tank weapons, such as for firing anti-tank shells, frequently requires the use of a night sight, which is conventionally attached as an additional instrument to the weapon.

An object of this invention is to provide an improved anti-tank weapon.

According to one aspect of the invention, there is provided an anti-tank weapon having a frame to which is secured at three attach ment points a mounting plate provided with means for receiving a night sight.

Preferably, at two of said attachment points is secured an aiming system of the weapon, said plate being disposed between the frame and the aiming system.

Preferably, at the third attachment point said plate is clamped to the frame.

Preferably, said third point is disposed mid-way between the other attachment points.

Preferably, spacers are provided to space said aiming system from the plate at said two attachment points.

Preferably, said plate is bent twice at about 900.

Expediently, said plate is of a relatively light material.

Said material may be aluminium or glass fibre reinforced plastics material.

Preferably, said means is constituted by two slots in an edge of said plate.

According to a further aspect of the inven tion, there is provided the combination of an anti-tank weapon according to said one aspect and a night sight secured by said means.

For a better understanding of the invention and to show how the same may be carried into effect, reference will now be made by way of example, to the accompanying drawings, in which: Figure 1 is a schematic side view of part of an anti-tank weapon; Figure 2 is an end view of the part of Figure 1; Figure 3 is a schematic sectional view taken along line III-III of Figure 1; Figure 4 is a further schematic side view of part of an anti-tank weapon; and Figure 5 is an enlarged view in schematic section of region C of Figure 1.

The Figures show an anti-tank weapon which in general is brought to its place of use by hand and includes a frame 1 having an aiming system 2 attached to it, and adjusted in relation to the chassis. To attach a night sight 3 to system 2, an additional mounting plate 4 is provided and is fitted in one operation between system 2 and frame 1 on two attachment points 5 and 6 of system 2. For this purpose, plate 4 has bores 9 and 10 on respective corners 7 and 8. A third attachment point between system 2 and frame 1 is not shown. A clamp 11, which is fitted approximately in the centre between attachment points 5 and 6 on a bend of frame tube 12 provides a third attachment point and a support for the mounting plate 4.This prevents tipping of plate 4 around the centre line of tube 12. Figure 3 shows the clamp 11 in more detail. It is a U-shaped two-part clamp which grips around tube 12.A spacer 13 is inserted at attachment point 6 and the thicknesses of plate 4 and spacer 13 are selected so as to provide the original distance marked a in Figure 2 between system 2 and frame 1. On the two other attachment points of system 2 the original position can be set by turning adjusting nuts 14 which are provided for this purpose. Plate 4 is made of a light material e.g. aluminium or glass fibrereinforced plastics material such as polyester, ensuring both low weight and sufficient mechanical stability. The plate 4 should be made in such a way that the operation and transport of the weapon are not hindered by its presence.

A shape of plate 4 suitable for this can be seen in outline in Figure 1 or in an end view in Figure 2. Here it can be seen that plate 4 is bent at about right angles twice and that one section 15 is attached to system 2 whilst another section 16 is used for attachment to night sight 3. For this purpose, plate 4 has two parallel slots 19 and 20 on a free edge 18 located opposite the two attachment points 5 and 6 and parallel to a side 17 of the aiming system 2. These slots are open in the direction of edge 18 and are angled like a bayonet catch. The slots are used for introduction of attachment elements, which are provided on night sight 3. These attachment elements here consist of star knob screws 21 and 22, which are fitted to a casing of the night sight so that they cannot be lost.

Before attachment of the night sight to the mounting plate, a cover flap 23 (Figure 4) must be removed from telescope window 24 of aiming system 2 to adapt the night sight, by turning the bayonet catch. Then the two loosensed star knob screws 21 and 22 are introduced into slots 19 and 20 on plate 4.

Connection to system 2 is effected with a bayonet catch 25 on night sight 3 shown in Figure 5 as detail C. After tightening of the two star knob screws night sight 3 is attached.

Then cover flap 23 which was previously removed is attached to the night sight 3.

Attachment via bayonet catch 25 of system 2 ensures that the optical centre lincs of night sight 3 and system 2 are in agreement.

Thus plate 4 is attached between the aiming system 2 and the frame 1 to attachment points 5 and 6 on the training system, the plate 4 is supported by means of a clamp 11 on a tube of the frame 1 and the plate 4 is provided with two parallel, angled slots 19 and 20 on a free edge located opposite the attachment points 5 and 6 which are open in the direction of the edge, for the introduction of attachment elements provided on a night sight. Such a device has the advantage that the night sight can be attached to the weapon quickly and simply, in fact with a few simple manual operations, and can be removed again just as easily and quickly. For this purpose, the weapon will only need a single adjustment to take the night sight, since plate 4 may remain on the weapon. The weapon may be adjusted without any additional adaptation of the sight.The plate 4 of the device which remains on the weapon forms an adapter, so that at the time of actual attachment of the night sight there is no need to interfere with the adjustment between the aiming system 2 and frame 1. The clamp support 11 prevents tilting of the plate 4 around the centre line of the tube 12. The formation of the plate 4 with recesses has the advantage that the attachment elements provided on the night sight can be fastened simply and reliably to the plate.

By bending of the plate 4 twice at about right angles, the plate has some but a low amount of flexibility. When attaching the night sight therefore manufacturing tolerances may be compensated for by slight twistings of the plate 4.

It is also an advantage to make the retaining plate from a light material. For this purpose, bearing in mind the mechanical stability of the retaining plate, aluminium or glass fibre-reinforced plastic are particularly suitable and the total weight of the weapon is therefore increased only very slightly by the plate 4.

WHAT WE CLAIM IS: 1. An anti-tank weapon having a frame to which is secured at three attachment points a mounting plate provided with means for receiving a night sight.

2. A weapon according to Claim 1 wherein at two of said attachment points is secured an aiming system of the weapon, said plate being disposed between the frame and the aiming system.

3. A weapon according to Claim 2 wherein at the third attachment point said plate is clamped to the frame.

4. A weapon according to Claim 3 wherein said third point is disposed mid-way between the other attachment points.

5. A weapon according to any one of Claims 2 to 4 wherein spacers are provided to space said aiming system from the plate at said two attachment points.

6. A weapon according to any one of Claims 1 to 5 wherein said plate is bent twice at about 90".

7. A weapon according to any one of Claims 1 to 6 wherein said plate is of a relatively light material.

8. A weapon according to Claim 7 wherein said material is aluminium or glassfibre reinforced plastics material.

9. A weapon according to any one of Claims 1 to 8 wherein said means is constituted by two slots in an edge of said plate.

10. An anti-tank weapon substantially as hereinbefore described with reference to the accompanying drawings.

11. The combination of a weapon according to any one of Claims 1 to 10 and a night sight secured by said means.

12. A combination according to Claim 11 when appended to Claim 9 wherein said night sight is provided with two star-knob screws for insertion in respective said slots.

13. A mounting plate for use with the weapon of any one of Claims 1 to 10, the

**WARNING** end of DESC field may overlap start of CLMS **.

Claims

**WARNING** start of CLMS field may overlap end of DESC **. material e.g. aluminium or glass fibrereinforced plastics material such as polyester, ensuring both low weight and sufficient mechanical stability. The plate 4 should be made in such a way that the operation and transport of the weapon are not hindered by its presence. A shape of plate 4 suitable for this can be seen in outline in Figure 1 or in an end view in Figure 2. Here it can be seen that plate 4 is bent at about right angles twice and that one section 15 is attached to system 2 whilst another section 16 is used for attachment to night sight 3. For this purpose, plate 4 has two parallel slots 19 and 20 on a free edge 18 located opposite the two attachment points 5 and 6 and parallel to a side 17 of the aiming system 2. These slots are open in the direction of edge 18 and are angled like a bayonet catch. The slots are used for introduction of attachment elements, which are provided on night sight 3. These attachment elements here consist of star knob screws 21 and 22, which are fitted to a casing of the night sight so that they cannot be lost. Before attachment of the night sight to the mounting plate, a cover flap 23 (Figure 4) must be removed from telescope window 24 of aiming system 2 to adapt the night sight, by turning the bayonet catch. Then the two loosensed star knob screws 21 and 22 are introduced into slots 19 and 20 on plate 4. Connection to system 2 is effected with a bayonet catch 25 on night sight 3 shown in Figure 5 as detail C. After tightening of the two star knob screws night sight 3 is attached. Then cover flap 23 which was previously removed is attached to the night sight 3. Attachment via bayonet catch 25 of system 2 ensures that the optical centre lincs of night sight 3 and system 2 are in agreement. Thus plate 4 is attached between the aiming system 2 and the frame 1 to attachment points 5 and 6 on the training system, the plate 4 is supported by means of a clamp 11 on a tube of the frame 1 and the plate 4 is provided with two parallel, angled slots 19 and 20 on a free edge located opposite the attachment points 5 and 6 which are open in the direction of the edge, for the introduction of attachment elements provided on a night sight. Such a device has the advantage that the night sight can be attached to the weapon quickly and simply, in fact with a few simple manual operations, and can be removed again just as easily and quickly. For this purpose, the weapon will only need a single adjustment to take the night sight, since plate 4 may remain on the weapon. The weapon may be adjusted without any additional adaptation of the sight.The plate 4 of the device which remains on the weapon forms an adapter, so that at the time of actual attachment of the night sight there is no need to interfere with the adjustment between the aiming system 2 and frame 1. The clamp support 11 prevents tilting of the plate 4 around the centre line of the tube 12. The formation of the plate 4 with recesses has the advantage that the attachment elements provided on the night sight can be fastened simply and reliably to the plate. By bending of the plate 4 twice at about right angles, the plate has some but a low amount of flexibility. When attaching the night sight therefore manufacturing tolerances may be compensated for by slight twistings of the plate 4. It is also an advantage to make the retaining plate from a light material. For this purpose, bearing in mind the mechanical stability of the retaining plate, aluminium or glass fibre-reinforced plastic are particularly suitable and the total weight of the weapon is therefore increased only very slightly by the plate 4. WHAT WE CLAIM IS:

1. An anti-tank weapon having a frame to which is secured at three attachment points a mounting plate provided with means for receiving a night sight.

13. A mounting plate for use with the weapon of any one of Claims 1 to 10, the

plate having means for attachment to the weapon at three points and means for receiving a night sight.