Mechanical pencil
AssigneeKotobuki & Co., Ltd.
InventorsHidehei Kageyama, Yoshio Noguchi
Life of this patent
Estimating the term…
Abstract
A mechanical pencil, includes an external cylinder, a lead delivery mechanism disposed in the external cylinder, the lead delivery mechanism having a lead-fastening chuck which fastens a lead and moves back and forth in the external cylinder to deliver the lead toward a front end of the external cylinder, a lead holder disposed before the lead delivery mechanism in the external cylinder to gently hold a lead, and a guide member arranged between the lead-fastening chuck and the lead holder in the external cylinder and always urged backwardly toward the lead-fastening chuck to protect a lead portion between the lead-fastening chuck and a lead holding portion of the lead holder.
Claims19
A mechanical pencil, comprising:
- an external cylinder;
- a lead delivery mechanism disposed in said external cylinder, said lead delivery mechanism having a lead-fastening chuck which fastens a lead and moves back and forth in said external cylinder to deliver the lead toward a front end of said external cylinder;
- a lead holder disposed before said lead delivery mechanism in said external cylinder to gently hold a lead;
- and
- a guide member arranged between said lead-fastening chuck and said lead holder in said external cylinder and always urged backwardly toward said lead-fastening chuck to protect a lead portion between said lead-fastening chuck and a lead holding portion of said lead holder.
A mechanical pencil, comprising:
- an external cylinder;
- a lead delivery mechanism disposed in said external cylinder, said lead delivery mechanism having a lead-fastening chuck which fastens a lead and moves back and forth in said external cylinder to deliver the lead toward a front end of said external cylinder;
- a lead holder disposed adjacent said lead delivery mechanism in said external cylinder to hold a lead;
- and
- a guide member arranged between said lead-fastening chuck and said lead holder in said external cylinder and urged backwardly toward said lead-fastening chuck to protect a lead portion between said lead-fastening chuck and a lead holding portion of said lead holder.
Dependencies are inferred from the claim text.