FIELD: electricity.
SUBSTANCE: electrostatic locking unit (ELU) is related to devices for fixing and retaining separate parts or elements of different mechanisms and facilities in a fixed position with possibility of their further disconnection, it functions due to electrostatic (Coulomb) force attracting electrodes charged with the opposite electrical charges and divided by a relatively thin layer of dielectric. ELU may serve as a locking device (lock) and may be used for many other similar purposes. The present invention proposes a solution for combining an electrostatic force and a frictional force which arises between electrodes attracted to each other. It is also suggested to use the exponential increase effect of frictional force which occurs when a flexible tape or a wire is wound, for example, on a cylindrical rod.
EFFECT: as a result, a finite retention force of electrostatic locking unit in the closed state can be increased manifold in comparison with the initial attraction force of the electrostatic locking unit electrodes to each other.
10 cl, 1 dwg
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