Windscreen Wiper Holding Device for Compact Packaging
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Solution Overview
Problem
Conventional packaging solutions for flat-type wiper blades are problematic due to their slender and curved shape, leading to difficulties in insertion and a risk of damage during packaging, as existing solutions require longitudinal insertion and may not securely hold the blades without causing harm.
Innovation Solution
A holding device with elastic interlocking means that allows wiper blades to be oriented inward, with their planes of symmetry remaining parallel, reducing the risk of damage and enabling a compact packaging solution by allowing slight lateral offset, thereby reducing the overall size of the packaged assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional longitudinal insertion packaging is used for flat-type wiper blades, then the packaging can be simple and linear, but the insertion is difficult and time-consuming and there is a risk of damage to the blades
Solution Approach 1:
Instead of inserting wiper blades longitudinally into the packaging support as in conventional solutions, the patent inverts the approach by having the wiper blades inserted laterally into channels of the holding device. The holding device itself is then inserted into the packaging support, reversing the traditional insertion direction and solving the damage risk and difficulty issues.
Solution Approach 2:
The patent introduces a holding device as an intermediary component between the wiper blades and the packaging support. This holding device with its channels provides a protective intermediary structure that facilitates safe insertion and secure positioning of the wiper blades, eliminating the direct contact and potential damage from conventional packaging methods.
2Device complexity
If conventional longitudinal insertion packaging is used, then packaging structure is simple, but there is a risk of damage to wiper blades during positioning
Solution Approach 1:
The holding device with its channels provides beforehand cushioning and protection for the wiper blades during insertion and positioning. The channels are designed to receive and protect the blades laterally, preventing the harmful forces and damage that occur during conventional longitudinal insertion into simple packaging structures.
3Object-affected harmful factors
If wiper blades are held with elastic interlocking in inward orientation, then the risk of damage is reduced and compact packaging is enabled, but the device structure becomes more complex
Solution Approach 1:
The holding device is segmented into multiple channels, each capable of independently holding a wiper blade through elastic interlocking. This segmentation allows each blade to be secured separately in an inward orientation, reducing damage risk while maintaining a relatively simple overall structure through modular channel design.
4Volume of stationary object
If wiper blades are oriented inward with parallel planes of symmetry, then compact packaging size is achieved, but the insertion and positioning process becomes more complex
Solution Approach 1:
The channels in the holding device are designed with asymmetric features that guide the wiper blades into the correct inward orientation with parallel planes of symmetry. The asymmetric channel geometry naturally directs the blades during insertion, achieving compact packaging while simplifying the positioning process through built-in alignment features.
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
The solution effectively reduces the risk of damage to wiper blades during packaging and allows for a more compact packaging format by using elastic interlocking mechanisms that maintain the blades in a flat position without requiring longitudinal insertion, optimizing the size and safety of the packaging.
Implementation Method 1
means for fixing by elastic interlocking of the respective structural elements of the two wipers in a position in which the wiper blades of the two wipers are oriented towards the inside of the holding device
Data Source
Figure 1~2
Figure 3~6
AI summary
The invention relates to a device (10; 101, 102, 103, 104) for supporting a pair of windscreen wipers (12, 26) each comprising a structural member (18, 32) and a wiping blade (16, 30) having a free end (50, 56) to be brought into contact with a glazed surface to be wiped, wherein said device comprises a means (42) for securing, by elastic fitting, the respective structural members (18, 32) of the two wipers (12, 26) in a position in which the wiping blades (16, 30) of the two wipers are oriented towards the inside of the supporting device, the respective longitudinal symmetry planes (P1, P2) of the blades remaining substantially parallel. The device is further adapted for ensuring, in the fitted position of the pair of wipers (12, 26), a spacing between the two longitudinal symmetry planes (P1, P2) and the proximity of the two wipers (12, 26) such that the free end (50, 56) of each wiping blade reaches or extends beyond a median plane (P) of the supporting device (10; 101, 102, 103, 104), perpendicular to the two longitudinal symmetry planes (P1, P2).