Belt Buckle Anchoring Fitting with Threaded Connecting Strap
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Solution Overview
Problem
Existing belt buckle anchoring devices struggle to achieve a short distance between the anchoring point and the belt buckle due to difficulties in stitching very short belt webbing, leading to inefficient force transmission under tensile loads.
Innovation Solution
A device with a fitting having a central portion with a screw opening and a connecting strap that extends along the fitting's end portions, allowing the strap to be threaded into an eyelet at the second end portion, creating a force-locked connection distant from the belt buckle, enabling a short strap portion between the buckle and anchoring point, and featuring a double-layer strap for enhanced strength and loop formation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If the connecting strap length is reduced to minimize distance between anchoring point and belt buckle, then the anchoring efficiency is improved, but the stitching process becomes difficult or infeasible
Solution Approach 1:
The fitting is divided into three distinct portions: a central portion for anchoring, a first end portion extending from the central portion, and a second end portion extending from the central portion. This segmentation allows the connecting strap to be stitched at the distant second end portion while maintaining a short distance between the anchoring point and the belt buckle, thereby resolving the contradiction between minimizing strap length and ensuring stitching feasibility.
2Ease of manufacture
If the connecting strap is clamped between legs of a clamping bracket, then the stitching process is simplified, but the device complexity increases
Solution Approach 1:
The invention extracts and eliminates the clamping bracket from the system by providing a fitting with a distant second end portion that allows the connecting strap to be directly stitched and secured. This removes the need for additional clamping components, thereby reducing device complexity while maintaining manufacturing simplicity.
3Reliability
If the force-locked connection is made on the side of the fitting facing the belt buckle or at the anchoring point, then the connection is secure, but the strap portion crucial for distance control cannot be kept extremely short
Solution Approach 1:
Instead of making the force-locked connection on the side of the fitting facing the belt buckle or at the anchoring point, the invention inverts the approach by making the force-locked connection at the distant second end portion of the fitting. This allows the crucial strap portion between the anchoring point and the belt buckle to be kept extremely short while maintaining secure force transmission through the loop connection at the second end portion.
Data Source
AI summary
A device for anchoring a belt buckle (10) comprises a fitting (12) including a first end portion (20) and a second end portion (22) as well as a central portion (18) provided between the two end portions (20, 22). The central portion (18) has an opening for fastening the fitting (12) in a way affixed to the vehicle by means of a screw (16). The device further comprises a connecting strap (14) connected on the one hand to the belt buckle (10) and on the other hand to the fitting (12). According to the invention, the connecting strap (14) extends along the first end portion (20) and the central portion (18) of the fitting (12) and is threaded via a loop (30) into an eyelet (24) of the second end portion (22).