Watch Bezel Press With Adjustable Jaws for Multi-Size Cases
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Solution Overview
Problem
Existing watch crystal and bezel pressing tools require multiple mounting plates of different sizes, leading to storage and usage complexities during after-sales service operations.
Innovation Solution
A press with a single mounting fixture that uses a kinematically linked connecting element and adjustable jaws to accommodate various watch case sizes, allowing for quick and secure attachment of crystals or bezels without damaging the case surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple mounting plates of different sizes are used to accommodate various watch case sizes, then the press can service a wide variety of watches, but the storage and usage complexity increases
Solution Approach 1:
The mounting plate is designed with a universal interface system featuring a central axis and multiple radial attachment points. Different mounting plates can be quickly exchanged on the same press by aligning them with the central axis and securing at radial points, allowing one press to service multiple watch case sizes without complex storage requirements
Solution Approach 2:
The mounting plate is segmented into a standardized base structure with modular attachment points. This segmentation allows different sized plates to be systematically organized and quickly swapped by attaching to the same press interface, reducing storage complexity while maintaining versatility
2Adaptability or versatility
If multiple mounting plates are maintained for different case sizes, then all watch types can be serviced, but the time required to change plates increases
Solution Approach 1:
Multiple mounting plates are pre-positioned on the press at easily accessible radial locations around the central axis. This preliminary arrangement allows the technician to select and attach the appropriate plate without searching or complex positioning, significantly reducing the time required to change plates while maintaining coverage for different watch types
3Device complexity
If a single mounting plate is used for all watch case sizes, then storage and usage are simplified, but the precision and stability for specific sizes may be compromised
Solution Approach 1:
The mounting plate features localized precision features at specific radial attachment points, with each point optimized for particular case sizes. The central axis provides universal positioning precision, while radial points offer size-specific optimization, allowing the single plate to maintain high precision across different watch case sizes without compromising stability
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Facilitates efficient and damage-free pressing of watch crystals and bezels onto cases of varying dimensions with a single setup, reducing the need for multiple mounting plates and simplifying storage and maintenance.
Implementation Method 1
a mounting (20) comprising at least two jaws (21) arranged to move away from or towards said axis AA under the effect of a stress on an elastic element (22) arranged in said mounting (20)
Data Source
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AI summary
The invention relates to a press (10) for pressing a crystal or bezel (11) into a case (12) of a watch, comprising a fixture (20) intended to hold the case (12) in position, and a bracket (30) supporting a tool holder (31) to which a tool (33) is fixed, said tool holder (31) being movable in translation and cooperating with an operating member (32) so as to slide relative to said bracket (30) along an axis AA upon activation of said operating member (32), the fixture (20) comprising at least two jaws (21) intended to cooperate with the case (12) so as to ensure its holding in position, each jaw (21) being movable in a plane P orthogonal to the axis AA.