An apparatus for producing optical aperture is disclosed. A pressing body has a plane covering a tip and at least a part of stoppers. An opaque film formed on the tip. The pressing body is displaced toward the tip for forming an aperture on a point of the tip. According to the apparatus, the amount
An apparatus for producing optical aperture is disclosed. A pressing body has a plane covering a tip and at least a part of stoppers. An opaque film formed on the tip. The pressing body is displaced toward the tip for forming an aperture on a point of the tip. According to the apparatus, the amount of displacement of the plate can be controlled excellently by the stopper and can be made very small. Thus, the aperture having a uniform and small size can be produced on the point of the tip easily.
대표청구항▼
An apparatus for producing optical aperture is disclosed. A pressing body has a plane covering a tip and at least a part of stoppers. An opaque film formed on the tip. The pressing body is displaced toward the tip for forming an aperture on a point of the tip. According to the apparatus, the amount
An apparatus for producing optical aperture is disclosed. A pressing body has a plane covering a tip and at least a part of stoppers. An opaque film formed on the tip. The pressing body is displaced toward the tip for forming an aperture on a point of the tip. According to the apparatus, the amount of displacement of the plate can be controlled excellently by the stopper and can be made very small. Thus, the aperture having a uniform and small size can be produced on the point of the tip easily. es a housing and a shaft coupled to the rod to create the rotational movement between the rod and the fastener, and the rod is collinear with the shaft. 13. The lock of claim 9, further comprising a spring positioned to urge the rod away from the fastener. 14. The lock of claim 9, further comprising a housing and a bearing, wherein the housing is adapted to couple to at least one of the cabinet and the door of the vending machine and includes an interior region configured to receive the motor, and the bearing is positioned between the housing and at least one of the rod and the fastener. 15. A vending machine configured to retain objects for distribution, the vending machine comprising a cabinet defining an interior region sized to receive the objects for distribution, a door coupled to the cabinet to move between an opened position permitting access to the interior region of the cabinet and a closed position blocking access to the interior region of the cabinet, and a lock configured to move between a locked position blocking movement of the door from the closed position and an unlocked position permitting movement of the door from the closed position, the lock including a rod rotatably supported by the door and a fastener supported by cabinet and configured to couple with the rod to couple the door to the cabinet, the rod having male threads, the fastener having female threads configured to mate with the male threads of the rod, the fastener being configured to couple with the rod without rotating the rod relative to the fastener, the fastener being configured to uncouple from the rod by rotating the rod relative to the fastener, the lock further including a spring positioned to urge the rod away from the fastener. 16. The vending machine of claim 15, wherein the male threads and the female threads include end threads that are the last of the male and female threads to mate before the rod and fastener are uncoupled, the spring is positioned to urge the rod away from the fastener when the end threads are the only threads mated together. 17. The vending machine of claim 15, wherein the female threads are expandable. 18. The vending machine of claim 15, wherein the spring is positioned to urge the rod away from the fastener when at least a portion of the rod is in contact with the fastener. 19. The vending machine of claim 15, wherein the spring is positioned between the rod and the cabinet. 20. A lock configured for use with a vending machine having a cabinet and a door, the lock comprising a rod adapted to be supported by at least one of the cabinet and the door, a fastener adapted to be supported by at least one of the door and the cabinet, the fastener being configured to attach to the rod to couple the door to the cabinet, and a biaser positioned to urge the rod away from the fastener. 21. The lock of claim 20, wherein the rod has male threads and the fastener has expandable female threads. 22. The lock of claim 21, wherein the biaser is positioned between the rod and the at least one of the door and cabinet supporting the fastener. 23. The lock of claim 20, wherein the biaser is a spring. 24. The lock of claim 23, wherein the spring includes a plurality of spring coils. 25. The lock of claim 23, further comprising a plunger supported by the spring and positioned to contact the rod. 26. The lock of claim 20, further comprising a first mount adapted to support the rod on the at least one of the door and cabinet and a second mount adapted to support the fastener on the at least one of the door and the cabinet. 27. The lock of claim 26, wherein the biaser is positioned between the rod and the second mount. 28. The lock of claim 26, wherein the biaser is positioned between the fastener and the second mount. 29. The lock of claim 26, wherein the first mount is adapted to be coupled to the door and the second mount is adapted to be coupled to the cabinet. 30. A vending machine configured to retain objects for distr
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