Writing instrument with drying-preventing mechanism
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United States of America Patent
Stats
-
Sep 17, 1991
Grant Date -
N/A
app pub date -
Nov 6, 1987
filing date -
Nov 7, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cap-less writing instrument having a mechanism which prevents the writing member from drying out. The writing instrument includes a hollow body; a writing member having a writing tip accommodated in the hollow body; a seal for sealing the writing tip, the seal including a seal cylinder provided with an opening at a front end thereof, a cover for sealing the opening of the seal cylinder, and a sealing member provided between the seal cylinder and the writing member; a mechanism for moving the writing member from the writing position to a retracted position; and a connector for connecting the writing member to the cover while allowing the writing member to move the writing position and causing the cover to close the opening of the seal cylinder. The connector is either a thread-like member or a bendable bar-like member.
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