Child resistant pumps
View Patent ↗A child-resistant feature or lock for a sprayer including a collar and a sleeve wherein the sleeve may be rotated from a locked position to an unlocked position to allow actuation of an actuator and pump for distribution of a product from a container to which the child-resistant feature is mounted.
1. A nasal sprayer, comprising:
a container having a neck;
a collar attached to the container neck, the collar further comprising:
at least one boss on an outer surface of the collar; and
at least one collar stop lug on an outer surface of the collar opposite the end nearest the container;
a sleeve surrounding and engaged with the collar and moveable from a locked position to an unlocked position, the sleeve further comprising:
at least one cam groove on an interior surface of the sleeve, wherein the at least one boss is seated in the at least one cam groove;
at least one retention lug on a surface of the at least one cam groove, wherein the at least one retention lug engages the at least one boss of the collar in the locked position;
at least one finger pad located on an exterior surface of the sleeve; and
at least one stop lug on an interior surface of the sleeve;
an actuator mounted to a pump and the container, wherein the actuator may be actuated when the sleeve is in the unlocked position.
2. The sprayer of claim 1 , wherein the actuator comprises an actuator selected from the group consisting of a nasal actuator, a finger actuator, and a fine mist actuator.
3. The nasal sprayer of claim 1 , wherein the sleeve further comprises a removable tear strip on a portion of the sleeve closest the container, wherein the tear strip must be removed before moving the sleeve from a locked to an unlocked position.
4. A sprayer, comprising:
a container having a neck;
a pump in communication with an interior of the container;
an actuator mounted to the pump;
a collar attached to the neck, the collar comprising:
at least one track on an outer surface of the collar; and
at least one retention lug positioned within a portion of the track; and
a sleeve surrounding at least a portion of the collar, wherein the sleeve is moveable from a locked position to an unlocked position, the sleeve comprising at least one boss on an inner surface of the sleeve, wherein the at least one boss is positioned in the at least one track and engages the at least one retention lug in the locked position.
5. The sprayer of claim 4 , wherein the at least one track comprises:
a first track on the outer surface of the collar; and
a second track on the outer surface of the collar, wherein the first track and second track are on opposite sides of the collar.
6. The sprayer of claim 4 , wherein the at least one track further comprises:
an upper guide rail; and
a lower guide rail, wherein the upper guide rail and lower guide rail are spaced apart from one another and define the at least one track.
7. The sprayer of claim 4 , wherein the at least one track further comprises an upper guide rail sloping upwards from a lower portion of the collar to a midpoint of the collar and then angling substantially vertically to an upper portion of the collar.
8. The sprayer of claim 7 , wherein the sleeve further comprises at least one sleeve stop lug, the at least one sleeve stop lug in contact with a portion of the upper guide rail angling substantially vertically when the sleeve is in a locked position.
9. The sprayer of claim 4 , wherein the collar further comprises at least one positive stop at a base of the at least one track.
10. The sprayer of claim 4 , wherein the collar further comprises at least one pinch restrictor at a base of the at least one track.
11. The sprayer of claim 4 , wherein the at least one boss further comprises:
a positioning angle on the inner surface of the sleeve corresponding to an angle of the track; and
a sloping surface.
12. The sprayer of claim 11 , wherein the at least one retention lug further comprises a sloped surface.
13. The sprayer of claim 4 , wherein the sleeve further comprises at least two finger pads on an exterior surface of the sleeve.
14. The sprayer of claim 13 , wherein the at least two finger pads are on opposite sides of the sleeve.
15. The sprayer of claim 4 , wherein the collar retains the pump on the container.
16. The sprayer of claim 4 , wherein the pump is connected to the collar.