TAP Russian patent published in 1995 - IPC

FIELD: valving. SUBSTANCE: bushing is fixed from one side to prevent against axial movement. The spring is interposed between the bushing and stop member. The bearing surface is shaped and positioned on the face of the housing. The stop is made up as a shaped projection. The stop member is cylindric and has the shank. The spherical head is on the shank. The slot is made in the rod from the side of the face, the width of the slot being less than the diameter of the head. The width of the space connected to the slot is greater than the diameter of the head. When the tap is closed, the head is inside the slot of the rod turned to be parallel to the flats of the head. When the tap is open, the head is inside the space to be in contact with the head face. The bushing and stop member are fixed to prevent against rotation. The pin is provided with the eccentric interacting with the shaped side of the housing. EFFECT: enhanced reliability. 2 cl, 2 dwg