Disposable instrument pen with integral spring member
AssigneeGraphic Controls Corporation
InventorJames R. Hubbard
Life of this patent
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Abstract
Disposable instrument pen with integrally-formed spring member simplifies installation and provides its own biasing means for urging the pen nib into engagement with a writing surface and/or for retaining the pen in a pen mounting carriage. In various alternative embodiments, the spring member may consist of a cantilever arm, a torsion bar with end mount fixtures, a helical spring, flared wings, etc.
Claims9
Disposable instrument marker pen including a body member which houses an ink reservoir and a writing nib extending from said body member, said body member including an elastic member adapted to maintain said pen in relatively fixed position relative to a member with which said pen is adapted to mate, said elastic member comprising an integrally formed part of said body member.
Dependencies are inferred from the claim text.