LABORATORY GRINDER Russian patent published in 2008 - IPC B02C13/18 

FIELD: crushing or disintegrating.

SUBSTANCE: laboratory grinder comprises housing, working chamber with lid provided with the connecting pipe, and working member mounted in the working chamber. The working member is actuated by the electric motor mounted inside the housing. The working member is secured to the shaft of the electric motor inside the chamber by means of the bearing washer. The chamber is detachable and is connected with the bearing sleeve with a stop bolt. The bearing sleeve has an opening for the clutch mounted on the shaft of the electric motor. The double gasket seal is interposed between the shaft and chamber. The outlet connecting pipe is welded into the center of the lid and is connected with the T-pipe provided with the vacuum meter and cock. The connecting pipe is screwed in the outlet end of the T-pipe, and the hose that connects the T-pipe with the vacuum pump is set on the connecting pipe. The rubber spacer is interposed between the lid and working chamber.

EFFECT: improved quality of grinding.

1 dwg