Catalytic Converter Guard

What is this patent about?

’695 is related to the field of vehicle security, specifically addressing the problem of catalytic converter theft. Catalytic converters contain valuable precious metals, making them a target for thieves. These devices are typically located underneath vehicles, making them easily accessible. The invention aims to provide a protective barrier that deters theft and safeguards this valuable component.

The underlying idea behind ’695 is to create a physical barrier around the catalytic converter, making it more difficult to remove. This is achieved by constructing a guard structure that encloses the converter and secures to the vehicle's frame. The guard is designed to withstand typical theft attempts, such as cutting the exhaust pipes, and may incorporate features that further complicate removal.

The claims of ’695 focus on a catalytic converter guard comprising a set of mounting flanges, an input guard plate, an output guard plate, and a bottom plate. The mounting flanges attach to the vehicle's frame rails. The input and output guard plates are positioned near the converter's inlet and outlet, respectively, with cutouts for the exhaust pipes. The bottom plate provides additional protection from below, essentially forming a five-sided box around the catalytic converter.

In practice, the catalytic converter guard is installed by bolting the mounting flanges to the vehicle's frame rails, effectively creating a cage around the catalytic converter. The input and output guard plates prevent easy access to the exhaust pipes for cutting, while the bottom plate further restricts access. The use of tamper-resistant fasteners further complicates removal of the guard itself.

This design differentiates itself from prior approaches by providing a comprehensive, frame-mounted protective structure. Unlike simple clamps or cages that only secure the converter itself, this guard extends across the frame rails, offering a more robust and integrated solution. The inclusion of cutouts for exhaust pipes and potential drivetrain components allows for compatibility with various vehicle configurations without compromising ground clearance or requiring modifications to existing systems. The ventilation apertures also help dissipate heat and reduce drag.