Bicycle Saddle Cover Layer Fixation via Overlapping Padding
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Solution Overview
Problem
The existing arrangement of the cover layer on bicycle saddles is complex and requires a clean cut edge, which is time-consuming and difficult to manufacture, especially due to the low resistance and moisture absorption issues of the padding material.
Innovation Solution
The saddle padding is designed with overlapping elements, where the edge area of the cover layer is arranged between two padding elements, eliminating the need for a clean cut edge and enhancing fixation through protrusions and recesses for better clamping, allowing the cover layer to be hidden and securely fixed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the top layer is glued to the underside of the saddle shell along the entire edge, then the cover layer is securely fixed, but the manufacturing process becomes complex and time-consuming due to the need for clean cut edges
Solution Approach 1:
The top layer is divided into two separate attachment zones: one zone glued to the saddle shell and another zone glued to the padding element. This segmentation allows each zone to be optimized independently, eliminating the need for complex edge finishing while maintaining secure fixation throughout.
Solution Approach 2:
The padding element acts as an intermediary component that provides an additional attachment surface for the top layer. By gluing the top layer to both the saddle shell and the padding element, the system distributes the fixation requirements across multiple surfaces, simplifying the overall manufacturing process.
2Manufacturing precision
If the top layer edge is trimmed by hand, then a clean finish is achieved, but productivity decreases due to manual intervention
Solution Approach 1:
The overlapping arrangement of the top layer is designed in advance during the manufacturing process, with the layer extending beyond the saddle shell edge before final assembly. This preliminary positioning eliminates the need for subsequent manual trimming operations, as the excess material is simply trimmed off during the molding process or is unnecessary due to the overlapping design.
Solution Approach 2:
The manufacturing process is designed to automatically handle the edge finishing through the molding process itself, rather than requiring separate manual intervention. The top layer's overlapping configuration allows the molding process to naturally manage the edges, making the system self-sufficient for edge finishing.
3Area of stationary object
If the top layer extends beyond the saddle shell edge, then coverage is improved, but the edge becomes visible and requires additional finishing work
Solution Approach 1:
The top layer is segmented into functional zones with different attachment methods: one portion is glued to the saddle shell for structural support, while another portion is glued to the padding element for additional fixation and aesthetic coverage. This segmentation allows the layer to extend beyond the shell edge for improved coverage without creating visible unsightly edges.
Solution Approach 2:
Different regions of the top layer are treated differently: the central area provides maximum coverage by extending beyond the saddle shell edge, while the edge regions are strategically glued to the padding element to provide secure fixation and hide the edges. This local differentiation optimizes both coverage and aesthetics without increasing overall complexity.
Data Source
Figure 1~2
Figure 3~5
AI summary
The invention relates to a bicycle saddle comprising a saddle shell (24). A saddle frame (18) is arranged on a lower side (22) of the saddle shell (24). A saddle cushion (28) is arranged on an upper side (26) of the saddle shell (24). The saddle cushion (28) comprises at least two cushion elements (30, 32). The invention also relates to a cover layer (36), the edge area (38) of which is arranged in the region of a saddle edge (40) between both cushion elements (30, 32).