Flush Rear Pocket Design Using Segmented Panels
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Solution Overview
Problem
Current rear pocket designs in pants often protrude, compromising appearance, durability, and comfort by not lying flush with the surrounding fabric, leading to an uneven fit and potential wear issues.
Innovation Solution
A rear pocket design featuring an interior and exterior panel, where the exterior panel is connected to the interior panel and the pants fabric, creating a flush surface by using discontinuous materials and stitching or bonding techniques to form a pocket pouch with a smooth edge, ensuring the exterior panel's surface aligns with the pants' fabric surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If traditional rear pocket designs are used, then the pocket is easy to manufacture, but the pocket protrudes from the pants surface compromising appearance and fit
Solution Approach 1:
The rear pocket is divided into multiple segments: an interior panel attached to the inner surface of the pants fabric, and an exterior panel attached to the outer surface of the interior panel. This segmentation allows each panel to be constructed and attached independently, achieving a flush surface profile while managing manufacturing complexity through modular assembly
Solution Approach 2:
The pocket structure transitions from a traditional single-plane design to a multi-dimensional construction where the interior and exterior panels are offset relative to each other along the depth dimension. The interior panel is positioned closer to the pants interior while the exterior panel extends toward the exterior, creating a stepped configuration that results in a flush outer surface
2Shape
If the exterior panel is made smaller than the pocket opening, then the flush surface is achieved, but the pocket depth and capacity are reduced
Solution Approach 1:
The exterior panel is nested within the boundaries defined by the pocket opening, creating a recessed configuration. The interior panel extends beyond the exterior panel to provide additional depth and capacity, while the exterior panel remains contained within the opening perimeter to maintain the flush surface profile
3Volume of moving object
If the interior panel is made larger than the pocket opening, then the pocket capacity is increased, but the construction complexity increases
Solution Approach 1:
The pocket is segmented into interior and exterior panels with distinct functions and attachment methods. The interior panel is attached to the inner surface of the pants fabric and can extend beyond the pocket opening to maximize capacity, while the exterior panel is separately attached to the outer surface of the interior panel, simplifying the construction of each individual component
Solution Approach 2:
Different regions of the pocket structure have different properties: the interior panel is designed for maximum extent and attachment to the pants interior, while the exterior panel is designed for flush surface alignment and attachment to the pants exterior. This local differentiation optimizes both capacity and appearance without requiring the entire pocket structure to be overly complex
Data Source
AI summary
Pants can include a waist portion; first and second legs extending from the waist portion; and at least one rear pocket located in the waist portion and surrounded by pants fabric, the at least one rear pocket including an interior panel attached to an inner surface of the pants fabric and an exterior panel attached to an outer surface of the interior panel, and material of the interior and exterior panels being discontinuous with the pants fabric, wherein at least a portion of an outer surface of the exterior panel is flush with an outer surface of the pants fabric.