초록 ▼

An apparatus is disclosed to initiate detonation. The apparatus includes a first hollow cylinder, a second hollow cylinder laterally spaced from the first hollow cylinder, each of the first and second hollow cylinders having an inner surface and an outer surface, and extending longitudinally between

An apparatus is disclosed to initiate detonation. The apparatus includes a first hollow cylinder, a second hollow cylinder laterally spaced from the first hollow cylinder, each of the first and second hollow cylinders having an inner surface and an outer surface, and extending longitudinally between a first end and a second end. A spring is disposed in each of the first and second cylinders, and a firing pin is disposed in each of the first and second cylinders, wherein the spring is positioned between the first end of each of the first and second cylinders and the firing pin. A sear lever is in communication with each of the firing pins, and bushings are disposed between the sear lever and each of the first and second hollow cylinders, positioned so that the sear lever is insulated from contact of the outer surface of the hollow cylinders.

대표청구항 ▼

1. A firing device, comprising: a first hollow cylinder;a second hollow cylinder laterally spaced from and extending substantially parallel to the first hollow cylinder, each of the first and second hollow cylinders having a longitudinal axis, an inner surface and an outer surface, and extending lon

1. A firing device, comprising: a first hollow cylinder;a second hollow cylinder laterally spaced from and extending substantially parallel to the first hollow cylinder, each of the first and second hollow cylinders having a longitudinal axis, an inner surface and an outer surface, and extending longitudinally between a first end and a second end, each said first and second hollow cylinders is further formed with an elongated opening through a side wall of each of said hollow cylinders;a spring disposed in each of the first and second hollow cylinders;a firing pin disposed in each of the first and second hollow cylinders, wherein each spring is positioned between the first end of one of the first and second cylinders and the respective firing pin;a lever structure having a first and second portion, said second portion having a section formed with a first and second elongated aperture, said lever structure is coupled to the firing pins via at least one fastener which couple said lever structure to the firing pins, said firing pins are disposed in each of the first and second hollow cylinders through said elongated openings in the first and second hollow cylinders, the lever structure positioned outside of the first and second hollow cylinders and configured to move longitudinally in response to movement of the firing pins;a first bushing disposed between a first portion of the lever structure and the first hollow cylinder, the first bushing interposed within the opening of the first hollow cylinder; anda second bushing disposed between the second portion of the lever structure and the second hollow cylinder, the second bushing interposed within the opening of the second hollow cylinder;wherein said first and second bushings further comprise a radial flange located between a first end and a second end of said first bushing, said flange being disposed on the bushing between a bottom of said lever structure and said outer surface of said hollow cylinders such that frictional contact is eliminated between the first and second hollow cylinder and the lever structure, said second end of said first and second bushing are respectively positioned in contact with a mating surface of said first and second firing pins;wherein said elongated openings, elongated apertures, said fasteners, said bushings are sized to permit said lever structure to permit the firing pins to move within said hollow cylinders significantly independent of mechanical force interference from one firing pin to the other firing pin as well as permitting said firing pins to be positioned substantially ahead or rearward of each other including where one pin is fully forward against a stop and the other pin is fully rearward against said springs respectively disposed in each said hollow cylinder. 2. The firing device of claim 1, wherein the bushings are formed of a material harder than that of the cylinders. 3. The firing device of claim 1, wherein the first hollow cylinder and the second hollow cylinder are milled from a single piece of aluminum. 4. The firing device of claim 3, further comprising at least one recess positioned on each of the first and second hollow cylinders that interact with one or more projections from one or more initiators, and wherein the thickness of the first and second hollow cylinders is sized to prevent damage to the first and second hollow cylinders during use. 5. The firing device of claim 1, wherein the firing pins disposed in each of the first and second hollow cylinders includes a flat portion that engages with the first and second bushings. 6. The firing device of claim 1, wherein the first and second bushings are contoured to the outer surface of the first and second hollow cylinders such that the first and second bushings are substantially flush with the first and second hollow cylinders. 7. The firing device of claim 1, wherein the first and second hollow cylinders further comprise safety apertures positioned perpendicular to the longitudinal axis of the first and second cylinders, and further comprising a cylindrical pin positioned through the safety apertures and preventing the firing pins from moving along the longitudinal axis of the first and second cylinders. 8. The firing device of claim 1, further comprising stop locks disposed within each of the first and second hollow cylinders and positioned between the firing pin and the second end of the first and second hollow cylinders, and firing pin stop lock screws abutting each of the stop locks, to prevent the stop locks from further movement within the first and second hollow cylinders. 9. The firing device of claim 1, wherein the first end of each of the first and second cylinders is substantially closed. 10. The firing device of claim 1, wherein the first end of each of the first and second cylinders further comprise threads disposed on the inner surface of the first end. 11. The firing device of claim 1, further comprising one or more threaded caps corresponding to the first and second hollow cylinders, the threaded caps substantially cylindrical with threads disposed on the outer surface, the threads releasably engaged to the threads disposed on the inner surface of the first end of each of the first and second cylinders. 12. The firing device of claim 11 further comprising a trigger assembly in communication with the each of the first and second hollow cylinders, the trigger assembly comprising a trigger attachment bracket in communication with each of the first and second cylinders, a trigger in communication with the trigger attachment point and in releasable communication with the lever structure, and a trigger safety, the trigger safety configured to prevent the trigger from releasing from the lever structure. 13. The firing device of claim 12, wherein the trigger safety comprises a safety selector in communication with a safety cylinder. 14. The firing device of claim 1, further comprising a catch releasably coupled to the first and second hollow cylinders to releasably attach to one or more detonators. 15. The firing device of claim 1, wherein the firing pins are adapted to initiate percussion primed explosive trains. 16. The firing device of claim 1, wherein the first and second hollow cylinders are adapted to releasably engage with percussion primed explosive trains. 17. A firing device, comprising: a first hollow cylinder having an inner surface and an outer surface, the first hollow cylinder comprising a first end and a second end, the first end including threads disposed on the inner surface, and the second end configured to couple with a non-electric detonator;a threaded cap corresponding to the first hollow cylinder, the threaded cap substantially cylindrical with threads disposed on the outer surface, the threads releasably engaged to the threads disposed on the inner surface of the first end of the first hollow cylinder;a first spring disposed in the first hollow cylinder;a first firing pin disposed in the first hollow cylinder, wherein the spring is positioned between the first end of the first hollow cylinder and the first firing pin;a lever structure having a first and second lever structure portion, said first lever structure portion is formed with a first elongated aperture, said second lever structure is formed with a section extending substantially perpendicular to a longitudinal axis of the first hollow cylinder, and coupled to the firing pin disposed in the first hollow cylinder through an elongated opening in the first hollow cylinder, the lever structure positioned outside of the first hollow cylinder and configured to move longitudinally in response to movement of the first firing pin;a first fastener adapted to couple said first lever structure portion to said first firing pin through said first elongated aperture and said first opening;a first bushing disposed around said first fastener and between the lever structure and the first hollow cylinder, wherein the first bushing is interposed within the opening of the first hollow cylinder and said first elongated aperture;a trigger assembly comprising a trigger attachment point in communication with the first hollow cylinder, a trigger in communication with the trigger attachment point and in releasable communication with the lever structure, and a trigger safety, the trigger safety configured to selectively prevent the trigger from releasing the lever structure when said first firing pin is positioned to compress said first spring;wherein said first bushing further comprises a radial flange located between a first end and a second end of said first bushing such that frictional contact is eliminated between said first hollow cylinder and a side of said first portion of the lever structure, said second end of said first bushing is positioned in contact with a mating surface of said first firing pin. 18. The firing device of claim 17, further comprising a secondary safety structure adapted to be inserted into said first hollow cylinder through at least one side of said first hollow cylinder, wherein said secondary safety structure is disposed in said first hollow cylinder to prevent said first firing pin from fully traversing said first hollow cylinder to an end opposite where said first spring is disposed. 19. The firing device of claim 17, wherein the trigger safety comprises a first end portion and a second end portion opposite of said first end portion, said first end portion is formed with a safety selector protrusion section in communication with said trigger safety's second end portion, wherein said trigger safety's second end portion is formed with a channel which is formed partially through a side of said trigger safety in proximity to second end portion, wherein said channel is formed to permit a section of said trigger to traverse through said channel when said safety selector protrusion section is in a first position and prevent said trigger to be depressed when said trigger safety is moved to a second position. 20. The firing device of claim 17, further comprising: a second hollow cylinder including a first end and a second end, the second hollow cylinder extending in parallel relation to, and laterally spaced from, the first hollow cylinder;a spring disposed in the second hollow cylinder;a second firing pin disposed in the second hollow cylinder, wherein the spring is positioned between the first end of the second hollow cylinder and the second firing pin;a second fastener adapted to couple said second firing pin and a second section of said lever structure with an interference fit between a retaining section of said second fastener and an upper surface of said lever structure; anda second bushing disposed around said second fastener, said second bushing is further disposed in said opening of the second hollow cylinder and between the lever structure and the second hollow cylinder, said second bushing further comprises a radial flange located between a first end and a second end of said second bushing such that frictional contact is eliminated between said second hollow cylinder and a lower side of said lever structure, said second end of said second bushing is positioned in contact with a mating surface of said second firing pin;wherein the lever structure is coupled to the firing pin disposed in the second hollow cylinder through an opening in the second hollow cylinder, the lever structure being positioned outside of the first hollow cylinder and the second hollow cylinder and configured to move longitudinally in response to movement of the firing pins, wherein said lever structure further comprises a first and second elongated opening which permits a first and second fastener that couples said first and second firing pins to said lever structure. 21. A method of manufacturing a firing device, comprising the steps of: providing a first and second hollow cylinder, each said hollow cylinders is further formed with an elongated opening through a side wall of each of said hollow cylinders;providing a first and second firing pin and respectively disposing said pins in said first and second hollow cylinders;providing and adjusting a first and second stop lock respectively for said first and second hollow cylinders to define a set point for said first and second firing pins supported for sliding movement within the hollow cylinders;providing a first and second bushing structure each having a radial flange located between a first and second end of said bushing structure, each said bushing structure adapted to have a passage running through the bushing structure;providing a lever structure external to the cylinders and supported for movement with the firing pin, said lever structure further having a first and second portion, said second portion is formed with a first and second elongated aperture, said lever structure is coupled to the firing pins via at least one fastener which couples said lever structure to said firing pins, wherein said first and second bushing structures are respectively disposed around said first and second fasteners, each said radial flange positions said lever structure so that it has a clearance fit with said hollow cylinders, said fastener and bushing structure passes through said first elongated opening, said second elongated opening, said first elongated aperture and said second elongated aperture; andproviding a trigger to releasably secure the lever structure in a firing position. 22. The method of claim 21, wherein the lever structure is insulated from the cylinder by depositing a bushing therebetween, wherein the bushing is made of stainless steel. 23. The method of claim 21, further comprising providing a trigger safety operable to move between a first position and a second position, wherein the trigger is prevented from activating if the trigger safety is in the first position. 24. The method of claim 21, further comprising providing a releasable catch in communication with the hollow cylinder, and wherein the detonator is held in place by the catch. 25. The method of claim 21, wherein the hollow cylinder is formed from a single piece of aluminum. 26. A firing device comprising: a first and second housing having a longitudinal passage within each of said housings and further formed with an elongated housing aperture through opposing side walls of each of said housings running laterally in relation to said longitudinal passage;a first and second firing pin body;a lever section, wherein said lever section has a first and second portion, said second portion having a first and second side that opposes each other where said second side faces away from said first portion, said second portion is formed with a planar area having first and second elongated apertures;a first bushing body and a second bushing body;a first and second fastener structure adapted to respectively couple said first and second firing pin body, wherein said first and second bushing body is formed to fit respectively around said first and second fastener and further having a shoulder adapted to support said lever section and ensure a clearance between a lower side of said lever section and an upper section of said housing;at least one driving mechanism section adapted to apply a mechanical force to said first and second firing pin bodies;a trigger mechanism adapted to releasably retain said lever section and firing pin bodies in a first firing position where said firing pin bodies are in a ready to fire position in relation to said driving mechanism section by releasably engaging with a section of said lever section;a first safety interlock structure adapted to prevent said trigger mechanism from releasing said lever section in a first position and further is adapted to permit said trigger mechanism to move and release said lever section when rotated into a second position; anda removable second safety interlock structure adapted to be removeably inserted into side wall apertures formed into said housings and thereby preventing said firing pin bodies from fully traversing said longitudinal passage when inserted. 27. A firing device as in claim 26, wherein said first and second firing pin body has a first and second firing pin end section, wherein each said firing pin body has a mating surface formed on a side of each firing pin body between a center point of said firing pin bodies and said first firing pin end section, wherein said first and second firing pin bodies are adapted to move longitudinally within said longitudinal passage. 28. A firing device as in claim 26, wherein said firing pin bodies, fasteners, bushings, lever section and said housing are adapted to permit a plurality of firing pin body positions for said first and second firing pin bodies which permit said first and second firing pin body to be positioned substantially independent of each other, said plurality of firing pin positions including a first firing pin body position and a second firing pin body position, said first firing pin body position having one section of said firing pin body extended within said longitudinal passage against a firing pin stop section such that said driving mechanism is at a farthest extended state, said second firing pin body position having said firing pin body at an opposing section of said longitudinal passage such that said driving mechanism is in an energized or adapted to impart a mechanical force on said firing pin body sufficient to propel said firing pin body forward through said longitudinal passage upon release by said trigger mechanism. 29. A firing device as in claim 26, wherein said first bushing body and a second bushing body formed substantially into an elongated body with a longitudinal channel running through each said bushing body through a longitudinal axis in each said bushing body and said shoulder formed in an outer surface of said bushings at a first distance from a first end of each said bushing body and a second distance from a second end of each said bushing body, said first end of each bushing body coupling to said lever section, said second end of each bushing body interfacing with said first and second firing pin bodies respectively through said elongated housing apertures, wherein said mating surface of said first and said second firing pin bodies are formed to conform to the shape of said second end of a respective said bushing body. 30. A firing device as in claim 28, wherein said driving mechanism comprises a first and second driving mechanism respectively disposed in relation to each said longitudinal passage, said driving mechanism having two driving mechanism states including a first driving mechanism state and a second driving mechanism state, wherein said first driving mechanism state is the driving mechanism in a fired position, said second driving mechanism state has said driving mechanism in said ready to fire position, wherein said driving mechanism provides or directs energy to move said firing pin bodies from said second firing pin body position to said first firing pin body position. 31. A firing device as in claim 28, wherein said trigger mechanism engages said lever in a second lever position and releases said lever allowing the driving mechanism to propel the firing pin bodies through the longitudinal passage from said second firing pin body position to said first firing pin body position. 32. A firing device as in claim 26, wherein said first safety interlock structure comprises a safety lever protrusion and a rotatable body disposed within an attachment section on said first and second housing, said first safety interlock structure further comprising a trigger channel formed part-way through a side section of said first safety interlock structure's body in proximity to an end of said first safety interlock opposing said lever protrusion, wherein said first safety interlock prevents said trigger mechanism from moving and thereby releasing said lever section in a first position, said first safety interlock and permits said trigger mechanism to move to release said lever section in a second position when said safety interlock structure is rotated and thereby permits a section of said trigger mechanism to move into said trigger channel. 33. A firing device as in claim 28, wherein said firing pin bodies have a first width and a second width, said first width is a control tolerance within said longitudinal passage, said second width is a control tolerance configured to respectively engage mating surfaces of said bushings, said bushing bodies having second distance greater than the distance from a face of firing pin bodies at second width of said firing pin bodies to an outer surface of the elongated housing aperture to allow the shoulder of said bushings to ride above and out of contact with the outer surface of the elongated housing aperture, said lever having a thickness smaller than first distance of bushing bodies such that the lever can move freely between the coupling structures and the said elongated apertures of the lever to loosely couple the firing pin bodies in such a way as to allow significant independence of movement of firing pin structures with respect to said longitudinal axis of said housings, said elongated apertures of said lever are adapted to allow each firing pin body to move from said second firing pin body position to first firing pin body position independently while the other firing pin body is maintained in second firing pin body position.