Portable device for an interchangeable capsule containing a solid cosmetic product, capsule and uses thereof

A portable device (1) for receiving an interchangeable capsule (2) containing a solid cosmetic or perfumery product, said device (1) comprising a receptacle (3) having a recess (4) that is complementarily shaped and sized for receiving said capsule (2), said device (1) being equipped with a system (7) for opening and closing said recess (4), said recess (4) comprising holding means which are provided to be removable from said capsule (2), said holding means comprising snap-fastening means (5) shaped to engage with complementary snap-fastening means (26) equipping said capsule (2), characterized in that

• the opening and closing system (7) comprises a right lid (70) and a left lid (71), which are slidably mounted relative to said receptacle (3), from an open position to a closed position covering said recess (4), and vice versa,
• said opening and closing system (7) comprising
• a first rack (700) secured to the right lid (70),
• a second rack (710) secured to the left lid (71),
• a toothed central wheel (72) rotatably mounted within said receptacle (3) and meshing with said first rack (700) and said second rack (710), conferring a simultaneous linear drive in opening said right lid (71) and said left lid (70) to separate them, and closing said lids to bring them closer together.