A developing apparatus filter permits air passage while disturbing toner flow through a main unit shutter mechanism.
A protein powder container features a threaded opening and an attaching part that secures the lid and scoop to the exterior.
Integrally molding the toner container cap eliminates bonding joints that cause dimensional deviations and mechanical weakness in multi-component assemblies.
Segmented blister strip prevents blockages during winding while piercing means opens individual doses for precise delivery.
An intermediate wall with a recess allows air flow into the first chamber, preventing vacuum formation that causes dosing errors and splashing.
A rotatable powder supply container prevents leakage during transport by using a shutter that follows the rotation of a nested second case.