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AN: New Wrangler rear window?

5.1K views 16 replies 12 participants last post by  Rick Anderson  
#1 ·
A new Chrysler patent application shows a unique full folding back glass design, and while this patent isn’t officially related to the Jeep Wrangler, it is used for the illustrations, and there is no vehicle in the current lineup that would accept a design like this as well as the Wrangler.



The lengthy patent application shows a new backglass design for a vehicle that has a very flat rear face, a flat roof, an angle of roughly 90 degrees where the body lines meet, and backglass that opens independently of the surrounding body work – all of which suggests that this Is the next generation Jeep Wrangler.

The current generation of the Wrangler has backglass that opens away from the bodywork with struts that hold it up high enough to access the entire opening for easier loading and unloading. On the 2014 Jeep shown here, the spare tire swings out of the way and the backglass opens upwards.



This new patent application shows a similar design, with backglass that is hinged the same way, with similar struts and a similar shape. However, this backglass folds all of the way up to the roof, with clips built into the roof that allow the driver to open the backglass of the vehicle, pin it down, and drive away with a great deal more airflow (or just have it further out of the way for cargo loading). This design also has clips inside of the vehicle where the driver may clip up the struts after disconnecting them to swivel the glass up onto the roof.



The patent application states that the reason for including this system is to allow Jeep Wrangler owners to enjoy the open air feeling while the roof is attached, while allowing owners to be able to haul large cargo, such as lumber. Imagine pulling off the front roof portion of the current Wrangler, cranking down the windows, and folding the backglass up onto the roof – you would have almost as much of the open air feel as you would with the entire roof removed.



There are some objections on the Allpar forums. As an example, note the amount of mud on the back glass of the Jeep shown above. If that window hadn’t been there, the mud would have ended up inside; and driving with rear glass open could cause the vehicle to pull in exhaust fumes if the front windows were not also open, or while idling at a halt.



Even with these downsides, there are likely people who would love to be able to lock the backglass of their Jeep Wrangler open while driving with the top on, so the next generation Wrangler may include this as an optional package. There is also the possibility that this backglass design is intended for a fixed roof model that would offer the option to drive with the backglass open because the owner cannot remove the roof altogether. It could also serve as another “look what we have” item that will never get used.



Chrysler may also simply have patented it to prevent other automakers from using it. This could be something that we may see on the next generation Jeep Wrangler, but it could also end up being an accessory item feature or nothing more than a protected design that we will never see on the road. Join the discussion.

More at allpar:

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  3. 2018 Jeep Wrangler: will it be unibody, body-on-frame, or roll cage?
  4. 2018 Jeep: open or fixed roof?
  5. 2018 Wrangler engines: what will power the iconic Jeep?
  6. 2018 Wrangler: independent suspension options
  7. Aluminum Jeep Wranglers in 2018?

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#3 ·
It could work for a pickup, but many pickups already have a sliding rear window that allows you to place longer items through the cab rather than sticking out the bed. I do this a lot with my Dakota hauling lumber. But of course the width of the item is limited by the sliding portion of the rear window.
 
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#5 ·
So the next Wrangler will loose the folding front Glass, but it will gain folding rear Glass.:confused:

I couldn't resist being a smart@$$, there is good reason for fixed front glass on the next Wrangler, and like we suspect the folding rear glass would be Chrysler preparing for a possible change in Regs that would result in the next Wrangler having to meet the standard vehicle roof crush standards.

No, as far as any informed opinion or rumors I've seen on this forum, it has NOT been decided yet, we do NOT know for sure if the Reg will change or NOT, or if the next Wrangler will have a sport bar, some integrated roof structure that has a similar open air feel as the sport bar or if it will be integrated roof with lots of removable panels and folding glass to get as much of an open air feeling as possible.

I wouldn't read into the patent as anything more than Chrysler/FCA making some preparations to avoid losing a Billion Dollars if the Gov changes the Reg.
 
#6 ·
...There are some objections on the Allpar forums. As an example, note the amount of mud on the back glass of the Jeep shown above. If that window hadn’t been there, the mud would have ended up inside; and driving with rear glass open could cause the vehicle to pull in exhaust fumes if the front windows were not also open, or while idling at a halt....

...Even with these downsides, there are likely people who would love to be able to lock the backglass of their Jeep Wrangler open while driving with the top on, so the next generation Wrangler may include this as an optional package. There is also the possibility that this backglass design is intended for a fixed roof model that would offer the option to drive with the backglass open because the owner cannot remove the roof altogether...
If a fixed roof, had removable panels over the 1st and 2nd row seats, like some of the removable hardtops currently offered, that left behind a minimal and very open support structure, combined with open door windows or removed doors; I suspect the air flow would be sufficient to prevent the backflow of exhaust and dirt into the cargo area.

But I suspect experienced off roaders are going to say, many off road courses the speed will be slow enough that exhaust and mud/dirt is going to backflow into the cargo area.

Can the hard top have side glass removable as well? There are aftermarket hard tops with removable side glass in the rear as well. This would add to the open air feel of a fixed roof. BUT, I suspect, removable rear side panels/glass, that would meet the standards and design criteria of OEM, would be a bridge too far.
 
#7 ·
If a fixed roof, had removable panels over the 1st and 2nd row seats, like some of the removable hardtops currently offered, that left behind a minimal and very open support structure, combined with open door windows or removed doors; I suspect the air flow would be sufficient to prevent the backflow of exhaust and dirt into the cargo area.

But I suspect experienced off roaders are going to say, many off road courses the speed will be slow enough that exhaust and mud/dirt is going to backflow into the cargo area.

Can the hard top have side glass removable as well? There are aftermarket hard tops with removable side glass in the rear as well. This would add to the open air feel of a fixed roof. BUT, I suspect, removable rear side panels/glass, that would meet the standards and design criteria of OEM, would be a bridge too far.
The exhaust issue is at road speeds where you get a vacuum effect behind the vehicle. Not likely to be an issue offroad at low speed.
 
#8 ·
When I remove the back "window" from my soft top and leave the side windows intact, the exhaust fumes quickly fill the vehicle and just about choke me to death. I honestly don't think I'd use this feature on a hard top unless I was hauling lumber, which I have done with the JKU many times.
 
#9 ·
If a fixed roof, had removable panels over the 1st and 2nd row seats, like some of the removable hardtops currently offered, that left behind a minimal and very open support structure, combined with open door windows or removed doors; I suspect the air flow would be sufficient to prevent the backflow of exhaust and dirt into the cargo area.

But I suspect experienced off roaders are going to say, many off road courses the speed will be slow enough that exhaust and mud/dirt is going to backflow into the cargo area.

Can the hard top have side glass removable as well? There are aftermarket hard tops with removable side glass in the rear as well. This would add to the open air feel of a fixed roof. BUT, I suspect, removable rear side panels/glass, that would meet the standards and design criteria of OEM, would be a bridge too far.
Yes they could, as I explained in my article.....and completely soft doors, no doors, half doors, and every other permutation that exists today.

Why do you guys insist on jumping to conclusions instead of thinking?
 
#11 ·
Technically, yes it could if the cabin would support gas sealing.
 
#12 ·
It's also possible with the back glass in the up position it could allow air under it creating a down force along the back side of the Jeep to keep out fumes, similar to the aluminum diffusion plates mounted on the back sides of the old station wagons.
 
#14 ·
NO, the only way to eliminate the vacuum, is to have the rear side windows down or removed. (which is possible on a soft top, impossible with the current hardtop).
And for the two posts above, the possibility of fumes, mud, dirt, etc is at any speed.