Latest Inventions  Technologies of security activity MANNER TO CLOSE KEYHOLE AND DEVICE CLOSING KEYHOLE
 MANNER
TO CLOSE KEYHOLE AND DEVICE CLOSING KEYHOLE
FIELD: ironmongery.
SUBSTANCE: invention refers to manner to close
keyhole which includes closure of keyhole by physical pendulum with axle.
Means for authorized movement is mounted on
physical pendulum and is kinematically coupled to axle.
Physical pendulum is authorized to move relative
to axle.
EFFECT: enhanced resistance to unauthorized
penetration. 2 cl, 4 dwg
Maksimov A.I.
Patent number: 2200224
Publishing date: April 15, 2003
To make the order on reception of the complete information under the invention, interesting for you
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