Watch Flange Channel with Drive Flyweights
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Solution Overview
Problem
Existing timepieces and jewelry with mobile decorative elements face challenges of increased dimensions and high manufacturing costs due to complex designs and bulky structures, which compromise mobility and visual appeal.
Innovation Solution
Incorporating two groups of mobile elements with different inertia, where heavier elements act as drive weights to overcome friction and enhance the mobility of lighter elements, allowing for improved movement and visual effect without altering the size or increasing the cost of the timepiece.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If mobile decorative elements are added to timepieces, then visual appeal and mobility are improved, but friction forces prevent sufficient movement of lightweight elements
Solution Approach 1:
The patent introduces drive flyweights (heavier mobile elements) that act as counterweights to overcome friction forces. These flyweights have higher inertia and drive the lighter decorative elements, compensating for the insufficient weight of the decorative elements alone to overcome friction within the housing.
Solution Approach 2:
The patent changes the mass parameter of mobile elements by introducing elements with different weights. The system includes both lightweight decorative elements and heavier drive flyweights, creating a mass differential that enables the lighter elements to move freely by being driven by the heavier elements.
2Ease of operation
If complex designs with additional channels and cabochons are used, then mobility of decorative elements is improved, but manufacturing cost increases
Solution Approach 1:
The patent merges the function of additional channels and cabochons into the existing flange structure. The flange is modified to include a channel directly, eliminating the need for separate cabochon housings and additional channels, thereby reducing manufacturing complexity and cost while maintaining mobility.
Solution Approach 2:
The flange is designed to serve multiple functions: it provides structural support, contains the channel for mobile elements, and integrates the drive mechanism. This multi-functionality eliminates the need for separate components like dedicated cabochon housings, simplifying manufacturing.
3Ease of operation
If additional channels and structural modifications are made, then mobility is improved, but device complexity increases
Solution Approach 1:
The patent combines the channel structure with the flange, integrating what would traditionally be separate components. The flange itself forms the channel containing the mobile elements, eliminating the need for additional structural elements and reducing overall device complexity.
4Ease of operation
If mobile elements are housed in separate cabochons, then mobility is improved, but the dimensions perpendicular to the crystal increase
Solution Approach 1:
The patent integrates the channel housing into the flange structure, eliminating the need for separate cabochon housings. This integration reduces the overall thickness perpendicular to the crystal while maintaining the mobility of decorative elements within the flange's channel.
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
Ensures sufficient mobility of lightest elements, increasing their movement scope and visual appeal, while maintaining a compact design and moderate manufacturing costs, thus addressing the limitations of existing solutions.
Implementation Method 1
mobile elements, such as stones or intercalated decorations, circulating in a channel under the action of their weight
Implementation Method 2
at least two groups of said mobile elements, of different inertia between them
Implementation Method 3
the effect of the low weight of these mobile elements does not always make it possible to oppose the resisting forces of friction within their housing
Data Source
Figure 1
Figure 2~3
Figure 4~6
AI summary
The jewelry or timepiece has movable elements e.g. gobo, jeweler stone or imitation decoration elements, circulated in a U-shaped channel (4) under action of a weight and movement of a user. The movable elements include a group with a higher inertia movable element (2B) provided with a drive counterweight to drive a lower inertia movable element (2A) of another group of the movable elements. Each of the movable elements comprises a sliding surface arranged to cooperate with a bottom part (5) of the channel, where the bottom part is metal-coated, chromium plated, nickel plated or silvery. An independent claim is also included for a casing assembly comprising a watch case and a glass.