Title:
RETRACTING AND EXTENDING TYPE WRITING UTENSIL
Document Type and Number:
Japanese Patent JP3943721
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a retracting and extending type writing utensil, which has a good productivity and is equipped with the centering function of a refill at the projection of a pen point needless to say no presence of the looseness of the pen point at writing.
SOLUTION: On the inner surface near a tip hole 2a, looseness preventing parts 1a for preventing a pen point 3a from loose moving by contacting with a refill 3 are integrally formed so as to prevent the pen point 3a from loose moving through the contact of the refill with the inner surface near the tip hole 2a. Since the looseness preventing parts 1a are formed integrally, the number of parts become small and the structure of a writing utensil becomes simple, resulting in reducing the assembling man-hour at its manufacture and no failure such as the getting out of place of the looseness preventing parts 1a or the like develops.
Inventors:
Shoji Takamatsu
Application Number:
JP21544898A
Publication Date:
July 11, 2007
Filing Date:
July 30, 1998
Export Citation:
Assignee:
Zebra Co., Ltd.
International Classes:
B43K7/12; B43K24/02; (IPC1-7): B43K24/02; //B43K7/12
Domestic Patent References:
| JP7033679U | ||||
| JP5013790U | ||||
| JP8300869A | ||||
| JP10236067A | ||||
| JP2550233Y2 |
Attorney, Agent or Firm:
Sadayuki Hosoi
Mitsuo Chonan
Mitsuo Chonan