DEVICE AND METHOD FOR PREVENTING CATALYTIC CONVERTER THEFT

Information

  • Patent Application
  • 20240200280
  • Publication Number
    20240200280
  • Date Filed
    December 15, 2022
    2 years ago
  • Date Published
    June 20, 2024
    a year ago
  • Inventors
    • Scott; Goodman (San Diego, CA, US)
Abstract
A method and device for deterring theft of a catalytic converter connected to a vehicle's exhaust system. A securing device is used to secure a ground clearance reduction device to the ground. The ground clearance reduction device has a width, length and height that is sufficient to decrease the distance between the bottom of a vehicle's catalytic converter and the top of the ground. A vehicle operator drives a vehicle having a catalytic converter over the ground clearance reduction device and parks the vehicle, thereby deterring theft.
Description

The present invention relates to motor vehicles, and in particular, to devices and methods for preventing the theft of catalytic converters.


BACKGROUND OF THE INVENTION


FIG. 1 shows a front view and FIG. 2 shows a side view of automobile 1. Automobile 1 includes internal combustion engine 2 and exhaust pipe 3. Catalytic converter 4 is connected between engine 2 and exhaust pipe 3. Catalytic converter 4 is an exhaust emission control device that converts toxic gases and pollutants in exhaust gas from engine 2 into less-toxic pollutants by catalyzing a redox reaction.


Automobile 1 has a trackwidth of approximately 5 feet and a wheelbase of approximately 10 feet. Trackwidth and wheelbase varies between vehicle makes and models.


Ride height or ground clearance is the amount of space between the base of an automobile tire and the lowest point of the automobile (typically the axle); or, more properly, to the shortest distance between a flat, level surface, and the lowest part of a vehicle other than those parts designed to contact the ground, such as the tires. The ride height can vary between vehicle makes and models. For example, a road car usually has a ride height around 6.3-6.7 inches, while an SUV usually lies around 7.5-8.7 inches. Two well-known extremes are the Ferrari F40 with a 4.9 inch ride height and the Hummer H2 with a 9.8 inch ride height. In FIGS. 1 and 2, automobile 1 has a ride height of approximately 6.7 inches.


Speed bumps are known. Speed bumps (also called traffic thresholds, speed breakers or sleeping policemen) are the common name for a class of traffic calming devices that use vertical deflection to slow motor-vehicle traffic to an extremely slow speed. Speed bumps are often found in parking lots.


Speed humps are also known. A speed hump is a rounded traffic calming device used to reduce vehicle speed. Speed humps are placed across the road to slow traffic and are often installed in a series of several humps to prevent cars from speeding before and after the hump. Common speed hump shapes are parabolic, circular, and sinusoidal.


Speed bumps and speed humps can be made from a variety of materials, including asphalt, concrete, recycled plastic, metal, or vulcanized rubber. Rubber products are pre-shaped to standard sizes to meet industry standards. Preformed rubber products are typically bolted down, making them easier to install or remove. Bolt-down products can also be removed or relocated during winter snow periods—where speed bumps are easily concealed and may be damaged by snowplows. To increase visibility at night, speed bumps and speed humps can also include high visibility reflective yellow tape or a special-formulated safety yellow paint with reflective glass beads.


Theft of Catalytic Converters

Because of the external location and the use of valuable precious metals including platinum, palladium and rhodium, catalytic converters are a target for thieves. Any vehicle that has a catalytic converter is a potential target for thieves. Some hybrid models, such as the Toyota Prius, are also targeted because their catalytic converters use higher amounts of rare earth metals to better handle hotter-than-normal exhaust. Additionally, commercial vehicles that are higher off the ground, such as vans, late model pickup trucks and SUVs are also targeted. The higher ground clearance allows suspects to more easily get underneath the car or truck to saw off the catalytic converter.


Pipe cutters are often used to quietly remove the converter. Other tools may be also used. For example, a portable reciprocating saw if used can damage other components of the car, such as the alternator, wiring or fuel lines, with potentially dangerous consequences. A catalytic converter can cost more than $1,000 to replace, more if the vehicle is damaged during the theft.


Annual thefts of the catalytic converter jumped from 1,298 in 2018 to 14,433 in 2020, according to data compiled by the National Insurance Crime Bureau (NICB)—an increase of more than 1,000 percent. Stealing a catalytic converter can take as little as 30 seconds, and the parts have continued to remain prime targets for theft thanks to elevated prices on the precious metals they contain.


There have been numerous attempts in the prior art to deter and prevent the theft of catalytic converters. Unfortunately, these attempts are cumbersome, expensive and largely ineffective.


What is needed is a better method and device for deterring the theft of catalytic converters.


SUMMARY OF THE INVENTION

The present invention provides a method and device for deterring theft of a catalytic converter connected to a vehicle's exhaust system. A securing device is used to secure a ground clearance reduction device to the ground. The ground clearance reduction device has a width, length and height that is sufficient to decrease the distance between the bottom of a vehicle's catalytic converter and the top of the ground. A vehicle operator drives a vehicle having a catalytic converter over the ground clearance reduction device and parks the vehicle, thereby deterring theft.





BRIEF DESCRIPTION OF THE DRAWINGS


FIG. 1 shows a front view of a prior art vehicle.



FIG. 2 shows a side view of a prior art vehicle.



FIGS. 3 and 4 show a front and side view of a vehicle parked over a preferred ground clearance reduction device.



FIG. 5A shows a perspective view of a preferred ground clearance reduction device.



FIG. 5B shows a side view of a preferred ground clearance reduction device with contoured edges.



FIG. 6 shows a pickup truck parked over a preferred ground clearance reduction device.



FIG. 7 shows a pickup truck parked over a preferred booster section.



FIGS. 8-10 show the utilization of a preferred ground clearance reduction device.





DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

Ground clearance reduction device 20 (FIG. 3) functions to dissuade criminals attempting theft of a protected vehicle by re-directing theft efforts elsewhere to less-protected or unprotected vehicles. The criminal will view a vehicle protected by ground clearance reduction device 20 as a hard target and will view unprotected vehicles as soft targets.



FIG. 3 shows a front view and FIG. 4 shows a side view of ground clearance reduction device 20. Ground clearance reduction device 20 is preferably rectangular in shape and has dimensions of 3.5 feet×10 feet. Ground clearance reduction device 20 has a height of approximately 5 inches. As stated above, automobile 1 has a ride height of approximately 6.7 inches. Therefore, there is a vertical clearance of 1.7 inches between the top of ground clearance reduction device 20 and the lowest point of the underside of automobile 1. This serves as a very strong deterrent for a potential thief who is contemplating cutting away catalytic converter 4.


As shown in FIGS. 3 and 4, ground clearance reduction device 20 is bolted to parking lot 10 by using bolts 22. Bolts are a preferred method of securing ground clearance reduction device 20 to the ground surface if the ground surface is concrete (i.e., a concrete street, driveway or parking lot). If the ground surface is asphalt or dirt, then spikes are the preferred method. Additionally, adhesive may be used to secure ground clearance reduction device 20 to the ground surface.


In a preferred embodiment ground clearance reduction device 20 is fabricated from vulcanized rubber. Ground clearance reduction device 20 also reflective stripes 25 to increase visibility of ground clearance reduction device 20, especially at night. For example, as shown in FIG. 5A, ground clearance reduction device 20 includes high visibility reflective yellow tape 27. In another preferred embodiment, a special-formulated safety yellow paint with reflective glass beads is painted onto ground clearance reduction device 20. It should also be noted that ground clearance reduction device 20 can be fabricated to include contoured edges 28 (FIGS. 5A and 5B). Contoured edges save wear on tires if the vehicle operator accidentally drives over ground clearance reduction device 20.



FIG. 6 shows ground clearance reduction device utilized with pickup truck 50. It should be noted that pickup truck 50 has a higher ride height of approximately 10 inches. Ground clearance reduction device 20 is 5 inches in height allowing for approximately a 5 inch space between catalytic converter 4 and the top of ground clearance reduction device 20. The 5 inch space should deter a typical thief who is looking for the easiest mark. However, it is possible to further protect against unwanted thievery by attaching height booster section 30 to the top ground clearance reduction device 20, as shown in FIG. 7. Booster section 30 is rigidly secured to ground clearance reduction device 20 by utilization of bolts 35. Booster section 30 has a thickness of approximately 3 inches, so that when added to ground clearance reduction device 20, the clearance space is reduced to just 2 inches, for an even greater deterrent.



FIG. 8 shows a top view of an asphalt parking lot. Multiple ground clearance reduction devices 20 have been secured to the parking lot by utilization of rebar spikes. As shown each parking space includes a ground clearance reduction device 20. Automobiles 1 and 67 have been each parked in a parking space over ground clearance reduction device 20. A thief is now deterred from attempting to steal a catalytic converter as automobiles 1 and 67 are now hard targets requiring additional work, time, noise, and risk to compensate for the severe reduction of open space under the catalytic converter.


In FIG. 9, automobiles 1 and 67 are driving down street 53. Multiple ground clearance reduction devices 20 have been secured to street 53 next to sidewalk 54. In FIG. 10, automobiles 1 and 67 have parked over ground clearance reduction device 20. A thief is now deterred from attempting to steal a catalytic converter.


As an added benefit, in a parking lot ground clearance reduction device 20 functions to properly position each vehicle within the allotted parking space. As the vehicle operator is parking his vehicle, the vehicle is forced to property position itself over ground clearance reduction device 20. Therefore, there is consequently a dramatic reduction in door dings and other undesirable conditions when vehicles are not well parked within the indicated parking slot lines.


Although the above-preferred embodiments have been described with specificity, persons skilled in this art will recognize that many changes to the specific embodiments disclosed above could be made without departing from the spirit of the invention. For example, it should be understood that the dimensions of ground clearance reduction device 20 may be adjusted as appropriate. A automobile with a very short ride height (for example, a small sports car), may require a thinner ground clearance reduction device to accommodate the shorter ride height. Therefore, the attached claims and their legal equivalents should determine the scope of the invention.

Claims
  • 1. A ground clearance reduction device positioned on the ground underneath a vehicle having a catalytic converter for deterring theft of the catalytic converter connected to the vehicle's exhaust system, said ground clearance reduction device comprising: A. a ground clearance reduction device width,B. a ground clearance reduction device length,C. a ground clearance reduction device height, wherein said ground clearance reduction device width, length and height decrease the distance between the bottom of said catalytic converter and the top of the ground, andD. a securing device for securing said ground clearance reduction device to said ground.
  • 2. The ground clearance reduction device as in claim 1, wherein said ground clearance reduction device is fabricated from vulcanized rubber.
  • 3. The ground clearance reduction device as in claim 1, wherein said ground clearance reduction device comprises a reflective device.
  • 4. The ground clearance reduction device as in claim 1, wherein said reflective device is reflective tape.
  • 5. The ground clearance reduction device as in claim 1, wherein said reflective device is reflective paint.
  • 6. The ground clearance reduction device as in claim 1, wherein said securing device is a plurality of bolts.
  • 7. The ground clearance reduction device as in claim 1, wherein said securing device is a plurality of spikes.
  • 8. The ground clearance reduction device as in claim 1, further comprising a booster section rigidly attached to said ground raising section.
  • 9. The ground raising section as in claim 1, wherein said ground is a parking lot.
  • 10. A method for deterring theft of a catalytic converter connected to a vehicle's exhaust system, said method comprising the steps of: A. utilizing a securing device to secure a ground clearance reduction device to the ground, said ground clearance reduction device comprising: 1. a ground clearance reduction device width,2. a ground clearance reduction device length, and3. a ground clearance reduction device height, wherein said ground clearance reduction device width, length and height decrease the distance between the bottom of said catalytic converter and the top of the ground, andB. driving said vehicle having a catalytic converter over said ground clearance reduction device.
  • 11. The method as in claim 10, wherein said ground clearance reduction device is fabricated from vulcanized rubber.
  • 12. The method as in claim 10, wherein said ground clearance reduction device comprises a reflective device.
  • 13. The method as in claim 10, wherein said reflective device is reflective tape.
  • 14. The method as in claim 10, wherein said reflective device is reflective paint.
  • 15. The method as in claim 10, wherein said securing device is a plurality of bolts.
  • 16. The method as in claim 10, wherein said securing device is a plurality of spikes.
  • 17. The method as in claim 10, further comprising a booster section rigidly attached to said ground raising section.
  • 18. The method as in claim 10, wherein said ground is a parking lot.