A machine particularly adapted for dispensing light items packaged in symmetrical, frustum-shaped container. The items are propelled through a tubular cartridge and individually ejected by a flow of air generated by a blower under control of a toggling dual-gate mechanism at the dispensing end of th
A machine particularly adapted for dispensing light items packaged in symmetrical, frustum-shaped container. The items are propelled through a tubular cartridge and individually ejected by a flow of air generated by a blower under control of a toggling dual-gate mechanism at the dispensing end of the cartridge. The dual-gate mechanism of a removable magazine grouping a number of cartridges can be selectively addressed and activated by means of a solenoid-driven cross-bar assembly.
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What is claimed is: 1. A machine, for selectively dispensing a plurality of items, which comprises: at least one tubular cartridge, said cartridge forming an elongated channel having a frontal dispensing aperture, a back-loading aperture, and a cross-section commensurate with a maximal cross-sectio
What is claimed is: 1. A machine, for selectively dispensing a plurality of items, which comprises: at least one tubular cartridge, said cartridge forming an elongated channel having a frontal dispensing aperture, a back-loading aperture, and a cross-section commensurate with a maximal cross-section of one of said items; at least one item engaged into said cartridge; means for generating a continuous flow of pressurized air from said back-loading aperture to said frontal aperture, and for applying said flow of air to said item, propel it toward said frontal aperture, and eject it out of said cartridge; said means comprising a source of pressurized air and conduit means for feeding said pressurized air to said back aperture; a first barrier movable from a closing position across a first fraction of said frontal aperture to a releasing position clear of said channel; a second barrier movable from a clearing position clear of said channel to a retaining position across a second fraction of said frontal aperture rearwardly from said first fraction; said first and second barriers being togglably linked to alternately move said second barrier to said retaining position when said first barrier is moved into said releasing position, and to said clearing position when said first barrier is moved into said closing position; and wherein said flow of air propels said item past each of said barriers in their respective releasing position and ejects it out of said cartridge. 2. The machine of claim 1, which further comprises: a plurality of said items engaged into said cartridge; and wherein said items have a common given length and said second barrier is spaced-apart from said first barrier by a distance lesser than said length. 3. The machine of claim 2 which further comprises means for moving said first barrier to said releasing position and said second barrier to said holding position during a momentary period of time and for simultaneously applying said pressurized fluid to said back-loading aperture; whereby one of said items normally held by said first barrier is ejected through said frontal aperture while any other one of said items in said channel is held back by the return of said first barrier to the closing position. 4. The machine of claim 3 in combination with a plurality of symmetrical ones of said items each having a leading portion cross-section shaped and dimensioned to substantially fit the cross-section of said channel, and a trailing portion cross-section of lesser area than said leading portion cross-section. 5. The machine of claim 2 which comprises: a plurality of said cartridges assembled into a magazine; and wherein said means for moving comprises means for selectively toggling the barrier of one of said cartridges. 6. The machine of claim 2 wherein a plug acting as a dummy item is engaged into said cartridge in a last position behind all other said items. 7. The machine of claim 6 which further comprises means for preventing ejection of said plug from said cartridge regardless of the position of said barriers. 8. The machine of claim 5, wherein said conduit means comprise a manifold, at the back of said magazine, distributing said pressurized air to said plurality of cartridges. 9. The machine of claim 5, wherein said means for toggling comprises an electro-mechanical mechanism including at least one solenoid. 10. A machine, for selectively dispensing a plurality of items, which comprises: a plurality of cartridges assembled into a magazine, each of said cartridge forming an elongated channel having a frontal dispensing aperture, a back-loading aperture, and a cross-section commensurate with a maximal cross-section of one of said items; a source of pressurized fluid; conduit means for feeding said pressurized fluid to said back aperture; a first barrier movable from a closing position across a first fraction of said frontal aperture to a releasing position clear of said channel; a second barrier movable from a clearing position clear of said channel to a retaining position across a second fraction of said frontal aperture rearwardly from said first fraction; said first and second barriers being togglably linked to alternately move said second barrier to said retaining position when said first barrier is moved into said releasing position, and to said clearing position when said first barrier is moved into said closing position; wherein said items have a common given length and said second barrier is spaced-apart from said first barrier by a distance lesser than said length; means for selectively toggling the barrier of one of said cartridges; and said means for toggling comprises a cross-bar array. 11. The machine of claim 10, wherein said means for toggling further comprises a set of solenoids driving said array. 12. A machine, for selectively dispensing a plurality of items, which comprises: at least one tubular cartridge, said cartridge forming an elongated channel having a frontal dispensing aperture, a back-loading aperture, and a cross-section commensurate with a maximal cross-section of one of said items; at least one item engaged into said cartridge; means for generating a flow of air from said back-loading aperture to said frontal aperture, and for applying said flow of air to said item and propel it toward said frontal aperture; said means comprising a source of pressurized air and conduit means for feeding said pressurized air to said back aperture; a first barrier movable from a closing position across a first fraction of said frontal aperture to a releasing position clear of said channel; a second barrier movable from a clearing position clear of said channel to a retaining position across a second fraction of said frontal aperture rearwardly from said first fraction; said first and second barriers being togglably linked to alternately move said second barrier to said retaining position when said first barrier is moved into said releasing position, and to said clearing position when said first barrier is moved into said closing position; a plurality of said items engaged into said cartridge; wherein said items have a common given length and said second barrier is spaced-apart from said first barrier by a distance lesser than said length; a plurality of said cartridges assembled into a magazine; wherein said means for moving comprises means for selectively toggling the barrier of one of said cartridges; and wherein said magazine is detachable from said machine. 13. A machine, for selectively dispensing a plurality of items, which comprises: a plurality of cartridges assembled into a magazine, each of said cartridge forming an elongated channel having a frontal dispensing aperture, a back-loading aperture, and a cross-section commensurate with a maximal cross-section of one of said items; a source of pressurized fluid; conduit means for feeding said pressurized fluid to said back aperture; a first barrier movable from a closing position across a first fraction of said frontal aperture to a releasing position clear of said channel; a second barrier movable from a clearing position clear of said channel to a retaining position across a second fraction of said frontal aperture rearwardly from said first fraction; said first and second barriers being togglably linked to alternately move said second barrier to said retaining position when said first barrier is moved into said releasing position, and to said clearing position when said first barrier is moved into said closing position; wherein said items have a common given length and said second barrier is spaced-apart from said first barrier by a distance lesser than said length; means for selectively toggling the barrier of one of said cartridges; and wherein said magazine is detachable from said machine.
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