Patent ID: 7775408

Claim:
A head cap for an aerosol type atomizer, comprising: a cap body mounted over a top of a container accommodating contents; and a movable member for spray operation disposed inside of the cap body, the movable member for spray operation comprising a fluid channel extending from a stem fitting part for fitting with a stem to a spray port, and a push button which is adapted to be pushed down to a spray position to spray the contents of the container from the spray port via the fluid channel; wherein the cap body comprises right and left side faces at right and left hand sides thereof, wherein the side faces are elastically deformable, and wherein when the push button of the movable member for spray operation is pushed down to the spray position, pressing the right and left side faces inwards in a grasping manner locks the movable member for spray operation to hold the movable member for spray operation at the spray position; wherein each of the right and left side faces comprises an outer wall plate and an inner wall plate which is formed to droop in a rear portion of the side face from an upper side to a given height from which the inner wall plate is structured to open at a lower side; wherein the push button of the movable member for spray operation is provided at right and left hand sides thereof with right and left upwardly projecting protrusions, respectively, which are engageable with the inner wall plates of the side faces of the cap body, respectively; and wherein when the push button of the movable member for spray operation is pushed down to the spray position, pressing the elastically deformable right and left side faces of the cap body inwards in a grasping manner causes the protrusions of the push button to be engaged with the inner wall plates of the right and left side faces, respectively, to lock the movable member for spray operation with the inner wall plates of the right and left side faces and to hold the movable member for spray operation at the spray position.