| 摘要 |
A wrist writing instrument which can be conveniently carried on a wrist like a bracelet and writes as a regular pen, comprises two major parts: First, a partially reinforced flexible barrel or a partially sectionalized barrel (34), with a plurality of rigid tubular sections and a continuous reinforcing member on which the sections are serially connected and reinforced along one side of the barrel. The reinforcing member is a structure or of a material which is flexible laterally but substantially rigid under longitudinal stretch. The above barrel can only be bent towards the reinforced side, the flexible side, and can not be bent towards the other three sides, the stiff sides. Second, a stiffening means (44) which structurally has at least one bendable side and at least one non-bendable side, is inserted into and pivotally mounted in the barrel (34) for a releasable stiffening of the wrist writing instrument. Turning and positioning the bendable side of the stiffening means opposite to the flexible side of the barrel, the instrument as a whole becomes stiff and straight ready for writing; while turning again and positioning the bendable side facing the flexible side of the barrel, the instrument becomes flexible again and ready to form a bracelet. A flexible ink reservoir (50) inside the barrel (34) is held at the end thereof, whose writing tip retracts into the barrel automatically in the circular form, and extends out automatically in the straight form of the wrist writing instrument.
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