Micrometer
专利汇可以提供Micrometer专利检索，专利查询，专利分析的服务。并且PURPOSE: To obtain a digital micrometer of a small size and good operating characteristic by contacting an engaging member of a spindle and feed nut and a guide member parallel to the spindle at two points and defining the turning direction of the spindle.
CONSTITUTION: When a knob 8 is rotated, the multithread screw applied to a feed shaft 7 turns and a feed nut 10 moves in the axial direction, causing a spindle 2 supported to a scale holder 11 to be moved by a lift arm 13. The measuring object is then inserted into the gap 36 between the spindle and an anvil 3. At this time, the main scale 25 is moved with respect to the vernier 26 along a guide bar 5 by the spindle 2 and the parallel rays radiated from a light emitting element 19 via lens 22 transmit through the main scale 25. The transmitted light reaches photo detectors 34, 35 via the vernier 26, and the electrical outputs corresponding to the relative displacement quantity between the main scale 25 and vernier 26 are obtained thereby and may therefore be digitally displayed by a suitable display device.
COPYRIGHT: (C)1979,JPO&Japio，下面是Micrometer专利的具体信息内容。
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