Writing Implement Housing Mechanical Watch Movement
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Solution Overview
Problem
Existing writing instruments have not been able to integrate a completely functional mechanical watch movement within their tubular bodies due to construction, ergonomics, or functionality constraints.
Innovation Solution
A writing instrument with a tubular gripping body housing an ink supply, a writing tip, and a mechanical watch mechanism that includes an energy source, balance-spring, escapement mechanism, and gear train for displaying time information, with the display visible on the circumference of the tubular body, allowing for a functional mechanical movement that provides time indications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a mechanical watch movement is integrated into the tubular gripping body, then time indication functionality is added, but the internal space for ink supply is reduced
Solution Approach 1:
The patent integrates the mechanical watch movement components (barrel, balance-spring assembly, escapement mechanism, gear train) within the tubular gripping body by nesting them in a compact arrangement. The display members are mounted on the circumference of the tubular body, allowing the time indication function to be added without requiring additional external space, thus resolving the space conflict between ink supply and movement components.
2Ease of operation
If display members are mounted on the circumference of the tubular gripping body, then time information is visible during writing, but the structural complexity increases
Solution Approach 1:
The tubular gripping body serves multiple functions: it houses the ink supply, contains the mechanical watch movement components, and displays time information through circumferential display members. This multi-functionality allows the time display to be integrated into the existing structure without requiring separate dedicated components, thereby limiting the increase in structural complexity.
3Measurement precision
If a complete mechanical movement is housed in the tubular body, then functional precision is improved, but the manufacturing difficulty increases
Solution Approach 1:
The mechanical watch movement is divided into separate functional modules (barrel for energy storage, balance-spring assembly for timekeeping, escapement mechanism for energy transmission, gear train for time indication) that can be manufactured and assembled independently within the tubular gripping body. This segmentation allows for precise manufacturing of each component while simplifying the overall assembly process.
Data Source
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AI summary
The present invention relates to a writing implement comprising: - a tubular gripping body (10) inside which there is a housing for holding a reserve of ink, - a writing nib (12) at one end of the tubular gripping body (10), said writing nib (12) being able to be connected to a reserve of ink, - a clock mechanism (14) housed in the tubular gripping body (10). According to the invention, the clock mechanism (14), housed in the tubular gripping body (10), is a mechanical movement comprising an energy source (16), a spring balance (18), an escapement mechanism intermittently transmitting the energy supplied by the energy source (16) to the spring balance (18), and a gear-train (20) designed to drive a device for displaying time information (22), said display device being visible on a circumferential part of the tubular gripping body (10) at a position between the two ends thereof.