Mechanical pencil

Mechanical pencil

Mechanical pencil

Mechanical pencil

Mechanical pencil

Mechanical pencil

Mechanical pencil

Mechanical pencil

Mechanical pencil and method for assembling the same

Mechanical pencil capable of automatically propelling successive

Mechanical pencil equipped with lead-storing cartridge

Mechanical pencil having an automatic lead extending mechanism

Mechanical pencil having collet guide

Mechanical pencil having guides to match guides on a refill cart

Mechanical pencil having side push button actuated lead advance

Mechanical pencil lead protection pipe with protuberance

Mechanical pencil structure

Mechanical pencil with a fluid actuator

Mechanical pencil with a plastic chuck

Mechanical pencil with automatic and manual lead advance