A dose counting mechanism for an aerosol dispenser is presented where the dose counting mechanism has a first body structure, a second body structure rotatably attached to the first body structure, an annular dose counter provided with a plurality of teeth along its perimeter, the dose counter being arranged coaxially with the first body structure and the second body structure, each of the first body structure and the second body structure being rotatable relative to the dose counter, a rotatable actuator that meshes with the teeth of the dose counter, the actuator being configured to follow the perimeter of the dose counter when the second body structure is rotated relative to the first body structure, and a rotator that rotates concurrently with one of the first body structure and the second body structure and that engages with the actuator when rotation of the first body structure relative to the second body structure is initiated.

A handheld device for dispensing a pharmaceutical substance has a housing in which a storage container with the pharmaceutical substance and a counter are arranged. The storage container dispenses the pharmaceutical substance by pressure actuation by a user after a specified displacement path has been traversed, and the counter carries out an action in order to rotate a counter wheel of the counter on the basis of the displacement path being traversed. The counter additionally has a drive part rotates the counter wheel, and the counter wheel is rotatably attached to a mounting part. The mounting part is formed independently of the housing, and the drive part is directly attached to the mounting part. The handheld device advantageously dispenses a pharmaceutical substance in that the action is first carried out on the counter wheel of the counter upon the pressure actuation, and the pharmaceutical substance is then dispensed.

There is provided a dose counter assembly for use with a medicament dispenser, the dose counter assembly comprising: a) a units dose display means comprising a first count indicia and one or more driver teeth; b) a tens dose display means comprising a second count indicia; and c) a driver, wherein the first count indicia and second count indicia align at a common viewing area to collectively display a count sequence.

The finger-mounted mechanical counter is a numerical counter that may be worn on the finger of a user. First, second and third wheels each have a set of indicia formed thereon, each set of indicia being a circumferentially arrayed set of integers, such as a continuous range from 0 to 9. The first, second and third wheels are rotatably mounted within a housing having corresponding first, second and third slots formed therein for display of the corresponding indicia. The housing defines a central passage which is adapted for receiving the finger of the user. After a full rotation of the first wheel, the second wheel is rotated by a single increment, and after full rotation of the second wheel, the third wheel is rotated by a single increment, allowing for consecutive counting from single digits to double digits to triple digits.

The invention describes a novel method of transducing a force input into a perpendicularly directed advance of a geared component. This simple mechanism allows for the implementation of latches, accelerometers, tilt sensors, and counters that are uniquely inexpensive, robust, compact, and easy to implement, since they are able to rely on purely mechanical operation.

The invention describes a novel method of transducing a force input into a perpendicularly directed advance of a geared component. This simple mechanism allows for the implementation of latches, accelerometers, tilt sensors, and counters that are uniquely inexpensive, robust, compact, and easy to implement, since they are able to rely on purely mechanical operation.

A nebulizer for nebulizing a liquid from a container includes a fluid pump for withdrawing the liquid in doses from the container and pressurizing the respective doses for nebulization. The nebulizer includes in addition an air pump with a piston/cylinder arrangement for pumping air into the container to pressurize the liquid in the container to help withdrawing the liquid from the container.

A dose counting mechanism for an aerosol dispenser is presented where the dose counting mechanism has a first body structure, a second body structure rotatably attached to the first body structure, an annular dose counter provided with a plurality of teeth along its perimeter, the dose counter being arranged coaxially with the first body structure and the second body structure, each of the first body structure and the second body structure being rotatable relative to the dose counter, a rotatable actuator that meshes with the teeth of the dose counter, the actuator being configured to follow the perimeter of the dose counter when the second body structure is rotated relative to the first body structure, and a rotator that rotates concurrently with one of the first body structure and the second body structure and that engages with the actuator when rotation of the first body structure relative to the second body structure is initiated.

A handheld device for dispensing a pharmaceutical substance has a housing in which a storage container with the pharmaceutical substance and a counter are arranged. The storage container dispenses the pharmaceutical substance by pressure actuation by a user after a specified displacement path has been traversed, and the counter carries out an action in order to rotate a counter wheel of the counter on the basis of the displacement path being traversed. The counter additionally has a drive part rotates the counter wheel, and the counter wheel is rotatably attached to a mounting part. The mounting part is formed independently of the housing, and the drive part is directly attached to the mounting part. The handheld device advantageously dispenses a pharmaceutical substance in that the action is first carried out on the counter wheel of the counter upon the pressure actuation, and the pharmaceutical substance is then dispensed.

A device for measuring rotational speed includes a housing comprising a base including vertical first and second end walls, and a cover including a window; a lower drive mechanism including a shaft including a gear adjacent to an inner surface of the first end wall, and gear elements rotatable around the shaft in a suspended manner, each gear element including first teeth and second teeth alternated with the first teeth; and an upper counter assembly including a reset shaft including a wing handle and a groove; a gear member rotatable around the reset shaft in a suspended manner and meshed with the gear, the gear member including a projection; and a first number wheel and second number wheels arranged from the gear member to the second end wall sequentially on the reset shaft. Each of the first and second number wheels is a ratchet type device.