Locking Battery Hold-Down Clamp for Vehicle Theft Resistance
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Solution Overview
Problem
Existing battery hold-down devices for vehicles lack a locking mechanism to prevent theft, allowing thieves to easily remove batteries using common tools or by cutting through straps, leading to financial loss and operational disruption.
Innovation Solution
A metal strap with a hinged or flexible linkage is designed to encircle the battery and anchor structure, featuring a lockable mechanism that resists radial and axial extraction, incorporating upstanding ears and a lock mechanism to secure the battery in place, making it difficult to remove without damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a simple strap or webbing is used to hold down the battery, then the device complexity is reduced and ease of manufacture is improved, but the battery becomes vulnerable to theft as thieves can easily cut through the strap or loosen fasteners
Solution Approach 1:
The hold-down device is divided into separate functional segments: a strap portion for securing, a locking mechanism portion for preventing removal, and an anchor structure portion for fixation. This segmentation allows each component to be optimized independently - the strap remains simple for ease of manufacture, while the locking mechanism provides enhanced theft resistance
Solution Approach 2:
The device combines different material properties and mechanical functions - flexible strap material for wrapping, rigid locking components for resistance to tools, and anchored structure for permanent fixation. This composite approach maintains manufacturing simplicity while adding theft-deterrent capabilities
2Reliability
If a locking mechanism is added to prevent battery theft, then the theft resistance is improved, but the device complexity increases and the ease of operation deteriorates
Solution Approach 1:
The locking mechanism is designed to be self-contained and self-operating once the strap is positioned around the battery. The lock automatically engages to secure the battery, eliminating the need for complex manual adjustment or multiple steps, thus maintaining ease of operation while providing strong theft resistance
Solution Approach 2:
The locking mechanism is integrated with the strap and anchor structure into a unified assembly. This merging reduces the number of separate components and operations needed, simplifying both installation and future maintenance while ensuring all elements work together to prevent theft
3Strength
If a metal strap with hinged linkage is used to encircle the battery, then the structural strength is improved to resist tool-based removal, but the weight of the device increases
Solution Approach 1:
The metal strap with hinged linkage provides high structural strength and tool resistance only at critical locations where theft attempts are most likely (the locking area and contact points with the battery), while other portions of the strap can be lighter. This localized strengthening optimizes the weight-to-strength ratio
Solution Approach 2:
The hinged linkage introduces dynamic flexibility to the otherwise rigid metal strap structure. This allows the strap to adapt to the battery contours during installation while maintaining structural integrity during theft attempts, reducing the overall material required and thus the weight
Data Source
AI summary
A battery hold-down clamp effective to resist theft of a battery from a vehicle, such as an RV, boat, automobile, and the like. One version includes a metal strap that is bent to form a loop having a cross-section profile substantially in agreement with a held cross-section of a battery, or battery container. The metal strap is hinged, to permit the loop to be opened for its installation. A portion of anchor structure and the battery are then enclosed within the loop. The strap resists moving the battery away from the anchor structure. After the strap is placed around a battery and anchor, a lock is installed to resist opening of the loop and extraction of the battery in a radial direction. A structural interference may be formed between the installed strap and protruding structure associated with the battery, thereby resisting extraction of the battery from the loop in an axial direction.