The invention involves a grinder safety cap suitable for medicinal items such as herbs or other consumable substances that may be desirably restricted from children, and which may require grinding and/or homogenizing before ingestion. The grinder safety cap is comprised of a cover shell and base shell, wherein the cover shell fits snugly over an upwardly extending top wall of the base shell. The base shell may have upwardly extending grinding protrusions, having sharp and/or serrated edges, capable of grinding, cutting, or otherwise reducing the particle size of a consumable substance. The cover shell may also have downwardly extending grinding protrusions. A consumable substance may be placed within a cavity or receptacle of the base shell, the cover shell may be placed over the top wall of the base shell so as to close the grinder safety cap, and the consumable substance may be ground by turning the cover shell.

Some examples described herein include coffee bean packaging assemblies that integrate a packaging body with a grinding mechanism (e.g., a burr grinder). The example coffee bean assemblies described provide storage advantages (e.g., coffee beans and grinders do not need to be separately stored and located when wanting to dispense freshly ground coffee), as well as travel advantages (e.g., a separate coffee grinder does not need to be remembered packed when traveling).

Some examples described herein include coffee bean packaging assemblies that integrate a packaging body with a grinding mechanism (e.g., a burr grinder). The example coffee bean assemblies described provide storage advantages (e.g., coffee beans and grinders do not need to be separately stored and located when wanting to dispense freshly ground coffee), as well as travel advantages (e.g., a separate coffee grinder does not need to be remembered packed when traveling).

A grinding attachment for use with a coffee machine an upper grinding tool arranged inside a casing, and a lower grinding tool (11), which can be rotated rotatable relative to the upper grinding tool during a grinding operation. An adjustment device adjusts a degree of grinding of a material to be ground with the grinding tools. The upper grinding tool is attached to a support. The support for the upper grinding tool is displaceable in the vertical direction and is secured torque-proof on an element of the adjustment device. The adjustment device comprises a guide for the support which, during the rotating of the adjustment element, moves the support together with the upper grinding tool in the vertical direction for adjusting the grinding gap.

A grinding attachment for use with a coffee machine an upper grinding tool arranged inside a casing, and a lower grinding tool (11), which can be rotated rotatable relative to the upper grinding tool during a grinding operation. An adjustment device adjusts a degree of grinding of a material to be ground with the grinding tools. The upper grinding tool is attached to a support. The support for the upper grinding tool is displaceable in the vertical direction and is secured torque-proof on an element of the adjustment device. The adjustment device comprises a guide for the support which, during the rotating of the adjustment element, moves the support together with the upper grinding tool in the vertical direction for adjusting the grinding gap.

A coffee extraction apparatus includes: a first grinder that includes a first burr configured to rotate, a first burr through-hole defined in the first burr in an axial direction of the first burr, a first burr inlet, a first burr outlet discharging coffee powder, a second burr inserted into the first burr through-hole through the first burr outlet to define a grinding space for grinding the whole beans with the first burr, and a burr coupler that supports the second burr and that couples the second burr to the first grinder. The apparatus further includes an extractor that defines an opening on a first side facing the first burr outlet to receive the coffee powder discharged through the first burr outlet and that mixes the coffee powder with water to extract coffee liquid where the burr coupler is configured to selectively separate the first grinder from the second burr.

A coffee extraction apparatus includes: a first grinder that includes a first burr configured to rotate, a first burr through-hole defined in the first burr in an axial direction of the first burr, a first burr inlet, a first burr outlet discharging coffee powder, a second burr inserted into the first burr through-hole through the first burr outlet to define a grinding space for grinding the whole beans with the first burr, and a burr coupler that supports the second burr and that couples the second burr to the first grinder. The apparatus further includes an extractor that defines an opening on a first side facing the first burr outlet to receive the coffee powder discharged through the first burr outlet and that mixes the coffee powder with water to extract coffee liquid where the burr coupler is configured to selectively separate the first grinder from the second burr.

A coffee machine includes a brewing unit, a grinding mechanism to process coffee beans into coffee grounds that are used by the brewing unit to brew coffee, and a container for coffee beans. The container has a bottom surface with an outlet opening that leads to the grinding mechanism. The bottom surface is inclined toward the outlet opening and includes ridges extending in a direction of the outlet opening.

A coffee machine includes a brewing unit, a grinding mechanism to process coffee beans into coffee grounds that are used by the brewing unit to brew coffee, and a container for coffee beans. The container has a bottom surface with an outlet opening that leads to the grinding mechanism. The bottom surface is inclined toward the outlet opening and includes ridges extending in a direction of the outlet opening.

A coffee bean grinder 1 has a hopper 2 into which coffee beans are inserted. The grinding unit 3 grinds coffee beans supplied from the hopper 2. The discharge unit 4 discharges coffee beans ground by the grinding unit 3. The mounting unit 5 mounts a portafilter 6 to be closely pressed against the bottom end of the discharge unit 4. The discharge unit 4 has a guide path 41 facing vertically downward, and a tapered section 42 in which the inner diameter increases towards the bottom. A sloped section 502 of a close-fitting member 50b, attached to the bottom end portion of the tapered section 42, is closely pressed against a top surface 63a of the filter basket 63 of the portafilter 6. The tapered section 42 has a hole 44 for allowing air in the airtight space to escape, thereby allowing the coffee beans to fall.