Importance

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Abstract

The sprayer device utilizes a friction held piston that fires automatically upon full depression of the firing cap. The drive spring does not release to fire the piston until after the spring is fully compressed because the force required to overcome the frictional force between said high friction engaging surface of the piston and the piston shaft is greater than the force required to compress said spring. A user may procure a monodose of medicine by (i) unlocking a child resistant locking mechanism; (ii) applying compressive force against the firing cap so as to first compress the spring and then to push the piston out of an piston engaging friction area such that the spring causes the distal end of the piston to break the medicine container to drive medicine through the spray nozzle in a manner that is user independent as to dosage amount and dosage speed of delivery.

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First Claim