Latch shown in the figure, with success can replace a regular door chain, differing from it reliability and ease of use,— when the door is opened it just enough to push his foot and the path is clear.
The latch consists of three parts: body, tongue and a flat retaining springs. The housing can be made from a piece of aluminum extruded profile suitable cross-section or bending of sheet steel with a thickness of about 3 mm. For the tongue will need a steel plate 15Х30Х80мм. The locking spring is curved from a piece of clock or gramophone.
Latch:
1 — uvula, 2 — body, 3 — screw with nut 4 — retaining spring.
On the tongue are cut two of the locking groove and the sample is the pin for translating the latch to operating position. Axis of the latch is a bolt with thread M5.
Latch cuts flush with the plane of the floor and provorachivaetsya six screws.
Recommend to read
From the bedroom – in the cold
It has long been out of fashion and replaced with new beds with iron headboards. A chrome tube of strong as before, and are unaware of corrosion. So, maybe not rush to throw them away...
SCREW-OUT RIVET
The screw securing the knob or handle on vodozabornoy valve (valve, tap), made of bronze or brass. If it's lost or fallen into disrepair — not to screw in its place steel, even briefly,...
