US Patent 11700928 Dispenser with replaceable inner container

A dispenser for dispensing a liquid product, the dispenser comprising a housing, a pump assembly, a dispensing head, and an inner container. The inner container accommodates the liquid product and is configured to be inserted into a cavity of the housing. The inner container is replaceable and detachably connected to the housing such that the housing, the pump assembly, and the dispensing head can be retained for reuse while the inner container can be replaced with a new inner container. A protrusion is provided on an underside of the inner container that a user can grip to rotate the inner container in a clockwise or anticlockwise direction to disengage the inner container from the housing.