Writing instrument with cushioning element

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.

Description

[0001] Cross References to Related Applications [0002] This application is a continuation-in-part of US Patent Application 10 / 389,300, filed March 14, 2003, the entire contents of which are hereby incorporated by reference. technical field [0003] The invention relates to a writing instrument having a cushioning element. More specifically, the present invention relates to a cushioning element at the rear, non-writing end of a writing instrument that allows the writing tip of the writing instrument to respond to forces applied to the writing instrument tip during writing, thereby Provides the user with a certain sense of awareness when writing. Background technique [0004] Typically, writing instruments such as fountain pens have a body within which a cartridge with a writing point is held in place so that a user can write with the writing instrument. With most writing instruments, the writing point maintains a generally rigid relationship with the rest of the instrumen...

AI Technical Summary

Problems solved by technology

If overused or abused, cushioning elements can flatten or permanently deform or otherwise lose effectiveness

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