Patent ID: 8783595
Filing Date: 2014-07-22
Classification: A47J

Abstract:
1. A spice grinder comprising: a grinder unit and a bottle having an external screw thread adjacent the mouth of the bottle, the grinder unit comprising a first grinder component having an internal screw thread compatible with that of the bottle and a second grinder component which can rotate with respect to the first component, the components having co-operating grinding teeth, there being a first ramp on the inside surface of the first component and a second ramp on the external surface of the bottle, each ramp having a camming surface which intersects with a locking surface, the camming surface of the first ramp encountering and riding over the camming surface of the second ramp as the fixed component is screwed onto the bottle whereby the locking surfaces come into face-to-face relationship and prevent rotation of the fixed component in the direction which unscrews it from the bottle.