Title:
緩衝要素付き筆記具
Document Type and Number:
Japanese Patent JP4733016
Kind Code:
B2
Abstract:
A writing instrument having a writing tip that responds to pressure applied during writing through the use of a cushioning element integrally formed with another part of the writing instrument. In a preferred embodiment, a writing instrument comprises a barrel, a cartridge with a writing tip, and an end plug with a cushioning element formed integrally with the end plug. The cartridge may be held in the barrel via the cushioning element, which is attached to the proximal end of the barrel. The end plug may be formed by an injection molding process. A stop element may be provided to inhibit or to prevent compression of the cushioning element after a predetermined degree of compression of cushioning element. The cushioning element may have a variable spring rate.
Inventors:
Candelora andrew
Aubrian richard
Aubrian richard
Application Number:
JP2006507156A
Publication Date:
July 27, 2011
Filing Date:
March 12, 2004
Export Citation:
Assignee:
Societe Big Societe Anonym
International Classes:
B43K8/02; B29C45/14; B29C45/16; B43K5/00; B43K7/03; B43K17/00; B43K24/00; B43L19/00; B43M11/08
Domestic Patent References:
| JP63148476U | ||||
| JP57132584U | ||||
| JP55010789U | ||||
| JP11157272A | ||||
| JP2000158871A | ||||
| JP51108731U |
Attorney, Agent or Firm:
Sadao Kumakura
Fumiaki Otsuka
Shishido Kaichi
Disciple Maru Ken
Ino Sato
Fumiaki Otsuka
Shishido Kaichi
Disciple Maru Ken
Ino Sato