| 摘要 |
A mechanical pencil for thin graphite leads, consisting of an immovable casing, a movable casing, a conic sleeve, a pilot sleeve, a spring, a cap and a clip, characterised in that a pilot jaw (3) constitutes a whole with the immovable casing (1), and below the pilot jaw (3) inside the movable casing, there is embedded a chuck (5), on which a rubber sleeve is mounted (6), and below the chuck there is a spacing sleeve (7) and counter rings (8).<IMAGE>
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