Patent ID: 6767150
Filing Date: 2004-07-27
Classification: B43K

Abstract:
An automatic pencil assembly, comprising:a barrel, a point, an urging member, two clamping members, a slide, a guide pipe, a lead, a cap, and a push member, wherein: the barrel has a first end and a second end; the point is mounted on the first end of the barrel and has a first end formed with a sleeve inserted into the first end of the barrel; the urging member is mounted in the first end of the barrel and is secured in the sleeve of the point; each of the two clamping members is slidably mounted in the urging member; the slide is slidably mounted in the point and has a first end provided with a retaining race and a second end protruded outward from a second end of the point; the guide pipe is mounted in the barrel and is rested on an end of the urging member; the lead is in turn extended through the guide pipe, the clamping members, the retaining race and the slide and has a first end protruded outward from the guide pipe and a second end protruded outward from the slide; the cap is mounted on the second end of the barrel and has an end formed with a cylindrical extension extended into the barrel; and the push member is mounted on an end of the extension of the cap to seal the extension of the cap and is rested on the first end of the lead, the push member has a first end formed with a first plug that is insertable into the extension of the cap and a second end formed with a second plug that is insertable into the extension of the cap.