Elastic Holding Mechanism for Window Covering Cutting Module
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Solution Overview
Problem
Conventional cutting machines for window coverings face challenges in efficiently trimming materials of various sizes without compromising quality, as they require multiple molds or a bulky design with a large through hole, leading to uneven cuts and aesthetic issues due to slat movement during cutting.
Innovation Solution
A cutting module with a main body, blade, and elastic holding member that maintains the covering material at a predetermined position using an elastic force, preventing contact with the through hole walls and ensuring even trimming regardless of size, without the need for multiple molds or a large through hole.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If multiple molds with different sized through holes are provided, then cutting precision for various slat sizes is improved, but device complexity and ease of operation deteriorate due to the need to change and replace molds
Solution Approach 1:
The patent changes the parameter of the holding mechanism from fixed rigid supports to elastic adjustable supports. The elastic holding members can deform elastically to accommodate covering materials of different thicknesses and sizes, allowing a single mold to adapt to various material dimensions through elastic deformation rather than requiring multiple fixed molds for different sizes
Solution Approach 2:
The patent introduces dynamic elasticity to the holding mechanism. The elastic holding members can dynamically adjust their position and pressure based on the size and thickness of the covering material being cut, transforming from a static fixed mold system to a dynamic adaptive system that maintains cutting precision across different material specifications
2Device complexity
If a single large through hole is provided, then device complexity is reduced, but manufacturing precision deteriorates as smaller slats cannot be firmly held and may move during cutting
Solution Approach 1:
The patent changes the physical state of the holding members from rigid to elastic. This elastic property allows the holding members to conform to covering materials of various sizes within the single through hole, maintaining firm contact and positioning accuracy without requiring multiple differently sized holes
Solution Approach 2:
The elastic holding members automatically adjust their pressure and position based on the size of the covering material inserted. The system self-regulates the holding force through elastic deformation, eliminating the need for manual adjustment or selection of different molds while maintaining precise positioning for cutting
3Adaptability or versatility
If the through hole is enlarged to accommodate larger slats, then adaptability is improved, but manufacturing precision deteriorates as slats may be placed at bias positions or slide during cutting
Solution Approach 1:
The patent transforms the holding mechanism from rigid fixed-position supports to elastic adaptive supports. The elastic holding members can deform to match the dimensions of different covering materials, maintaining proper positioning and contact within a single through hole regardless of material size, thus preserving cutting precision while enhancing adaptability
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
Enables precise and even cutting of window covering materials of different sizes, preventing slat movement during cutting and ensuring symmetric chamfers, thus improving the quality and convenience of the cutting process.
Implementation Method 1
an elastic holding member provided corresponding to the through hole, and adapted to exert an elastic force on the covering material when the covering material passes through the through hole to be trimmed
Data Source
AI summary
A cutting module adapted to trim a covering material of a window covering is disclosed, including a main body, a blade, and an elastic holding member. The main body has a first side, a second side, and a through hole communicating the first and the second sides, wherein the through hole can be passed through by the covering material. The blade is provided corresponding to the second side, and can be moved back and forth. The blade has a cutting edge, which passes over the through hole as the blade slides, whereby to cut off a part of the covering material beyond the second side. The elastic holding member is provided corresponding to the through hole to maintain the covering material at a predetermined position for cutting.