CONTROLLER Russian patent published in 2009 - IPC H01H3/04 

FIELD: machine building.

SUBSTANCE: controller contains casing, cover, handle, sensor unit, spring-loaded lock and shaft. In casing of controller it is installed drum with rigidly fixed on it rest and groove with figured profile, herewith groove is implemented either at one, or at both sides of drum. On shaft in drum it is movable fixed jaw connected to handle in which there are installed spring-load pusher and rod bearing by top and on pusher and by bottom - into the rest. Spring-load pawls are located on internal surface of bush. Sensors block is installed on casing of controller. Magnet is fixed on external surface of jaw so that in working position of handle it is located with a gap opposite to corresponding magnetic sensing sensor of sensors block.

EFFECT: increasing of noise immunity, growth of reliability and service life thereof.

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