SU12425A1 - Shutter for mail bags - Google Patents

Description

By locking the tensioning strap in the middle of your tooth attached to the spring of a buckle, closed by a gate valve, it is meant to protect the proposed valve from opening without damaging the seal that holds the ears of the buckle and gate valve.

In the schematic drawing of FIG. 1 is a top view of the closure; FIG. 2 is the same, side view, FIG. 3 is a side view of the closure part of the closure; FIG. 4-view shutter belt.

The buckle 3 (Figs. 1, 2 and 3) is riveted to the plate 3 attached to both sides of one end of the tightening belt 1. To the buckle there is a pin 4 with a tooth 5, which end is cut under acute angle, as a result of which the belt 1 can move forward freely, skipping through the holes 12 {fig. 4), but does not have a reverse stroke without raising the tooth 5, To the plate 2 there is a rounded pad 8, on which the valve 9, equipped with an eye 10 with a hole b

the seals against the same hole in the eyelet 6 mounted on the buckle 3. The plate and the valve have holes 13, 13 for additional locking of the bag lock, which is fastened by the belt, but which fix the iron plates 11 with holes 12. When locked the gate valve 9 is inserted under the spring 4 to skip the tensioning belt, after which the tooth b is inserted into one of the holes 12, and the valve is transferred over the spring and locks the belt. The holes of the ears b, 10, coinciding with the upper position of the valve, make it possible to seal the valve.

The subject of the patent.

A shutter for postal bags characterized by the use of a tooth 5 attached to a spring of the 4th lockable gate valve 9, equipped with an eye 10, against the same eye 6 on the buckle 3 and sliding together with the last eye to seal the bolt.

Fig1

Fig 2

9ig 4

13

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