Watch Pointer Segmentation for Face Replacement
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Solution Overview
Problem
Conventional watches with replaceable faces often impair the watch face's functionality, such as legibility and design, when attempting to remove the face from the watch body.
Innovation Solution
A watch design featuring pointers with extension portions that can change posture to allow easy removal of the watch face without damaging it, using turning members to raise the extension portions orthogonal to the watch face, enabling the watch face to be removed along these raised sections without disturbing the pointers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a cut portion is formed in the watch face to enable replacement, then the watch face can be easily replaced, but the legibility and design of the watch face are impaired
Solution Approach 1:
The pointer is segmented into three distinct parts: the main pointer body, the extension portion that interfaces with the watch face, and the change portion that enables posture transformation. This segmentation allows the extension portion to be temporarily separated from the watch face during replacement while keeping the main pointer body and support portion attached to the watch body, enabling watch face replacement without damaging the face itself.
Solution Approach 2:
The extension portion is designed to be dynamically changeable in posture through the change portion (turning member). During normal operation, the extension portion maintains a first posture that securely engages with the watch face. During replacement, the change portion allows the extension portion to transform to a second posture (raised apart from the watch face), enabling easy removal of the watch face without permanent modification to the face design.
2Adaptability or versatility
If the watch face is removed from the watch body, then the watch face can be replaced, but the pointers must be removed together making it troublesome
Solution Approach 1:
The pointer assembly is segmented so that only the extension portion (which interfaces with the watch face) needs to be separated during replacement, while the main pointer body and support portion remain attached to the watch body. This selective segmentation allows the watch face to be replaced independently without removing the entire pointer assembly, significantly reducing operational complexity.
Solution Approach 2:
The extension portion acts as an intermediary element between the pointer (attached to the watch body) and the watch face. By designing this intermediary portion to be detachable and transformable, the invention enables the watch face to be replaced without disturbing the main pointer structure, simplifying the replacement process while maintaining pointer functionality.
Data Source
AI summary
A watch includes a watch body, a watch face attached to the watch body and having an opening, and a pointer. The pointer includes an extension portion disposed to sandwich the watch face between the extension portion and the watch body and extending from the opening to face an upper surface of the watch face, and a support portion protruding from the watch body into the upper surface of the watch face via the opening, and connected directly to the extension portion. The pointer includes a change portion formed in the extension portion to change a posture of the extension portion such that a front end of the extension portion is raised with respect to a base end of the extension portion to be apart from the watch face. The watch face is removed from the watch body along the extension portion raised by the change portion.