SWITCHING UNIT FOR FIRE MONITOR DRIVE Russian patent published in 2009 - IPC A62C35/00 

FIELD: fire safety.

SUBSTANCE: invention relates to fire extinguishing equipment, namely to controllable fire master stream devices, and can be used in fixed and mobile fire fighting installations for rapid switching of the fire monitor swivel blocks' drive into manual or remote control mode. Switching unit for fire monitor drive comprises a swivel block with inlet and outlet fittings, a worm gearwheel connected to the outlet fitting and a worm shaft connected to the motor. The worm shaft is mounted in a movable case and can be released from gearing with the worm gearwheel. A cam disc with a handle is used to actuate/release the above gear and the movable case is pressed to the cam disc by springs.

EFFECT: increasing promptness of control over switching of the fire monitor swivel blocks' drive into manual or remote control mode and simplifying design.

3 cl, 4 dwg