KNOCK-TYPE MECHANICAL PENCIL

• Main Author: KANEKO YOSHIO
• Format: Patent
• Language: English
• Published: 22.11.2007
• Subjects: BUREAU ACCESSORIES; IMPLEMENTS FOR WRITING OR DRAWING; PERFORMING OPERATIONS; TRANSPORTING; WRITING OR DRAWING IMPLEMENTS

PROBLEM TO BE SOLVED: To provide a knock-type mechanical pencil that can be inexpensively produced by reducing the assembly manhours along with simplifying a structure due to a reduction of the number of components while increasing the number of leads 8 storable in a lead tank 4 by enlarging the dia...