Retracting writing instrument having replaceable cartridge
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United States of America Patent
Stats
-
Oct 3, 1995
Issued Date -
N/A
app pub date -
Nov 29, 1993
filing date -
Aug 28, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A writing instrument which includes a body having a barrel portion and a replaceable cartridge housed within the barrel portion. A retractor mechanism is removably maintained in a rear end of the barrel portion and is adapted for axial movement between a retracted position and a protracted position. The instrument further includes structure for biasing the replaceable cartridge toward the rear end of the barrel portion and for maintaining the retractor mechanism in the protracted position by imparting a moment, or force, on the retractor mechanism acting relative to the axial centerline of the barrel portion.
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Family
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