DE430592C - Roller shutters made of armored plates, which overlap on their longitudinal edges - Google Patents

Description

GERMAN EMPIRE

ISSUED JU 21 N1-1926

REICH PATENT OFFICE

PATENT LETTERING

CLASS 37d GROUP 28

(Sch 68848 VJ37d)

Schulz & Holdefleiß company in Berlin.

Roller shutters made of armor plates that overlap on their long edges. Patented in the German Empire on October 31, 1923.

The invention relates to a roller shutter from Armor plates that overlap on their long edges.

The new thing is that the armor plates on a longitudinal and. Covering bars Existing rolling grilles are attached to the ribs, with the upper hinge eyes of the cross bars facing forward, the lower ones facing backwards gerichitet and the armor plates arched at their lower longitudinal edges in a quarter circle are. Such rolling grilles are strong and difficult to attack, but light enough to be ordinary Purposes to be used.

In the drawing, the invention is shown in one embodiment, for example.

Fig. Ι shows a rolling grille in outline.

Fig. 2 is an external view:

Fig. 3 is a section from Fig. 2 and

Fig. 4 is a vertical section along cd in Fig. 2.

s is the role in the usual way as with the usual rolling grilles above the shop window or the door opening - " is brought and on which the protective device is rolled up or from which it is unwound will.

In the side walls of the window opening or the door opening, iron 4 are inserted, which, as usual, are used for lateral guidance.

The individual armor plates 1, which are as possible in one piece practice the whole Width of the window or the door opening extend, are below approximately in the form of a quarter circle turned. 3 are flat bars to which the armor plates are attached, and these bars 3 sit on longitudinal bars 2.

The framework formed from the bars 2 and 3 is thus completed by the steel plate 1 covered, whereby the lower quarter circle-like rounding of the plates contributes to that burglars cannot find any point of attack for their tools. The cross bars 3 are slightly inclined by the upper Articulated eyes to the front, the lower ones to the rear.

This steel armor is particularly suitable for windows and doors on banks, however, it can also be used for other similar purposes.

Claims (1)

Patent claim: Roller shutters made of armor plates, which overlap at their longitudinal edges, thereby characterized in that the armor plates on one of longitudinal and connecting rods existing rolling grille frame (2, 3) are attached, the upper hinge eyes the cross bars (3) to the front, the lower ones to the rear and the armor plates, are curved at their lower longitudinal edges in a quarter circle. Fig. 4. Fig. 2. Fig.i.