DE7823456U1 - Access lock for a screw - Google Patents

Description

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SISMENS AKTIENGESELLSCHAFT Our mark Berlin and Munich VPA 78 G 3 1 ^ 5 FRG Zujgrififjaperre for a soar robe

The invention relates to an access block for a visual cover still the preamble of claim 1.

Ea eats ready © ine access blocker in the generic term of claim 1 mentioned type known. The one that can be covered over by the wide length section of the flap Screw © disnt for fastening a lid on a box. The Durohgangausnung at the free end of the wide length of the flap is for the The penetration of another screw determines with which a D®ok @ l on one of the boxes adjacent to the box Box b @ fixable. Without loosening one screw® isx dis from the wide length of the Latch covered screw not accessible. However, the well-known access block cannot be sealed (DE-AS 24 55 689).

Task © of the invention is to block access to the in the preamble of claim 1 mentioned genus

Beo 2§ des / 5.7.1978

7823456 16.1178

- 2 - VPA 78 6 3 H 5 FRG

to be sealable.

The object set is according to the invention by the in the characterizing part of the protection claim specified training solved.

The particular advantage of the solution found is that it is particularly simple.

An embodiment of the supply according to the invention f handle lock is shown in perspective in the drawing in connection with a box corner.

In the example shown, 1 is a box »for example a box for electrical devices. The box 1 is closed with a lid 2 with a Screw 3 is attached to the box 1.

The screw 3 is locked against access with a tab 4.

The tab 4 has a through the head of the screw, be 3 concealed recess for the V screw shaft to reach through.

25th

Furthermore, the tab 4 has a wide length section 5 »which extends to one side of the recess connected, which is provided for the passage of the screw. This length section 5 is about the head of the screw 3 is bendable and has a through recess 6 at its free end.

The tab 4 runs on the wide Längenab section 5 opposite side of the recess for the screw 3 in a tongue 7. The tongue

- 3 - VPA 78 G 3 H 5 BRD f

has a hole 8 at the free end for the passage of a sealing wire, not shown.

The wide length section 5 of the tab 4 is over the tongue bent up past the head of the screw 3 7 can be bent in such a way that the recess 6 is penetrated by the tongue 7 at its free end and that Hole θ of the tongue 7 is exposed for the penetration of the sealing wire. After a sealing wire has penetrated through the hole 3, the wide longitudinal section 5 of the tab 4 is blocked against bending back. This also locks the screw 3 against unauthorized access.

So that the tab 4 is not when you tighten the

If the screw 3 rotates, one of the corners at the end of the wide length section 5 facing the tongue 7 in a recess, not shown, of the lid 2, or, if the lid edge is close enough to the

The edge of the lid can be bent downwards.

1 right to protection
1 figure

Claims (1)

«III · · - 1 - VPA 78 6 3 M S BRD Claim to protection Access lock for a screw, consisting of a flexible tab with a recess for the passage of the screw shaft and one to one Side of the recess adjoining wide length section, which can be bent over the screw head and aa free end has a passage opening, characterized in that the tab 4 is on the opposite of the wide length section (5) Side of the recess in a tongue (7) runs out, which has a hole (8) for the at the free end Has penetration sines sealing wire and that the wide length section (5) on the screw head over bent tongue (7) can be bent in such a way that the recess (6) at its free end from the Tongue (7) is penetrated and the hole (8) of the tongue for the penetration of the lead wire is exposed.