ACTUATOR FOR DISPENSING FLUID FROM A CARTRIDGE
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Abstract
The invention relates to an actuator for dispensing fluid from a cartridge, the actuator being configured to be moveable within the cartridge along the longitudinal axis of the cartridge and comprising a first radial element configured to face the dispensing opening of the cartridge, a second radial element configured to face in the opposite direction than the first radial element and a connecting element connecting the first and the second radial element and configured to extend along the longitudinal axis of the cartridge.
6 Citations
38 Claims
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1-19. -19. (canceled)
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20. Actuator for dispensing fluid from a cartridge, the actuator being configured to be moveable within the cartridge along the longitudinal axis (L) of the cartridge and comprising:
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a first radial element configured to face the dispensing opening of the cartridge, a second radial element configured to face in the opposite direction than the first radial element and a connecting element connecting the first and the second radial element and configured to have a length along the longitudinal axis (L) of the cartridge, wherein the connecting element comprises length variation means for variation of the longitudinal length of the connecting element, wherein the first radial element comprises a first locking means and the second radial element comprises a second locking means, and wherein the locking means are configured for releasably locking each of the first and the second radial element separately against movement along the longitudinal axis (L) of the cartridge and to be activated and released by the length variation means depending on the variation of the longitudinal length of the connecting element, wherein the locking means comprise stopping parts which are moveable in the radial direction of the actuator, wherein the locking means are passive locking means without active drive, triggered by the direction of the length variation movement of the length variation means. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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Specification