PULSE MANUAL FIRE-HOSE BARREL Russian patent published in 2015 - IPC A62C17/00 B05B7/02 

FIELD: fire safety.

SUBSTANCE: pulse plate-type manual fire-hose barrel additionally comprises a trigger lever with the forked upper part. In the middle part of the cheeks of the forked part of the trigger lever the axis sockets are made, in which the first ends of the fixing axes are placed. The second ends of the axes through the longitudinal grooves in the barrel housing are placed in the sockets of the movable sleeve. In the upper ends of the cheeks at their inner side the longitudinal grooves are made. The trunnions enter into the grooves, which are attached to the ends of the rotary drum of the trigger lever eccentrically to the drum axis. The rotary drum is located in two studs of the housing and is provided with a rotary handle rigidly fixed in the body of the drum. The compression spring is located in housing between the ends of the flow straightener and the movable sleeve. The rotary handle, the rotary cylindrical drum, the movable sleeve and the compression spring are kinematically connected.

EFFECT: increase in the efficiency of use of manual fire-hose barrels, providing the possibility to use, depending on the operational situation, the jet or pulse operation mode that enables the fireman to select the optimum tactics in fire extinguishing.

5 cl, 3 dwg