make a RAV4 rear sleeping bed platform for two, step-by-step walk thru Read more: h - Toyota RAV4 Forums
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#1 (permalink) Old 06-03-2012, 06:42 PM
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make a RAV4 rear sleeping bed platform for two, step-by-step walk thru Read more: h

Enclosed is a step-by-step walk thru to build a 6 foot 4 inch flat cargo area that would facilitate a 2 person sleep area. The rear cargo area (behind the drivers seat) has a length of about 5 foot 4 inches. The desire would be to extend this length by a foot or so to allow 2x standard backpacking mats side-by-side to accommodate a flat sleep area within the RAV4. The goal of the build includes:
1. Design and fabrication of a sturdy, stable platform.
2. Can be build with common materials and tools.
3. The platforms can be stowed (when not in use) within the under-floor hatch, out of sight.
4. Can be set-up without too much hassle or time.
5. As a secondary consideration, is adoptable for the 2011 Toyota Prius also. The RAV4 has about the same cargo length of the Prius. The design will start with the Prius then be adopted to the RAV4.

NOTE: The RAV4 adoption is at the end of the walk thru

The annotation describing each figure will occur at the bottom of the picture.

View of prius cargo area with back seat folded down


5 foot 2 inch (flat distance) distance from rear of cargo to folded back seat rest


1 foot 5 inch excess distance for platform. Just need to consider design options that meet the criteria listed above.


Camping mat at 6 foot long 20 inches wide


another compact inflatable backpacking mat


20 inches wide with added pillow sleeve. add clothing between mat and sleeve to make a pillow


mat in cargo area of prius


overhang needing support, about 1 foot


support platform .5 inch laminate oak from Home depot


Mark a 22 inch x 15 inch section


quick fit, will need to mount here


.125 inch thick by 2 inch wide Aluminum strap, from Home Depot


Mark for trim 4 inch length's 3x total parts


Cut with band saw, fine tooth blade


round sharp corners

deburr parts

use this tool to determine mounting fastener grip length


fasteners from Home Depot


diameter of threaded shank at .1845


Drill slightly larger than fastener shank at .186 inch


set-up for drilling holes

Last edited by klm4755; 06-03-2012 at 08:27 PM.
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#2 (permalink) Old 06-03-2012, 06:43 PM
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drill holes, 2x holes per part, .5 inch from edge of platform


using flush manufactured head fasteners, need countersink in straps


use this piloted countersink tool bit, 100 degree


machined straps completed


close-up of fastener installed


deburr drill exit side


mount straps on platform


quick fit check in prius, A-ok.....


add a 4 inch angle to the middle strap, the extended flange will fit between the rear seatback and the head rest, stabilizing the fore-aft movement of the platform


drill


mount like this

Now for the front platform attachment, I'll use the passenger headrest as the attach point

strap kit items


100% nylon thread, 3/4 inch buckles and 3/4 inch nylon straps


stitch the part like this, one hard attached female buckle, one threaded female buckle, one adjustable male buckle.


melt the ends of the strap with a soldering iron


like this gives the polished look


hand sew the end of the female buckle to the nylon strap


finished product, repeat 3x more times total


length ~9 inches


strap slots in the platform to thread in the 3/4 nylon strap, use router bit from dremal tool


hard attach the nylon strap at ~18 inches, add male adjustable buckle


finished product, now for mounting
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#3 (permalink) Old 06-03-2012, 06:44 PM
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1. Remove the rear shoulder restraints, it's ok they re-attach easy, shift fwd seats all the way fwd and backrest fwd.


2. fold rear seats down


3. Attach the headrest buckles


4. mount the platforms, attach the headrest buckles, adjust front strap length till level


rear view


about 6ft 4 inches of total usable length


add floor and/or rear cargo mats over the joint as an option


backpacking mats inlayed


View from front seat


view from outside


with cargo cover, for some privacy


gap between mat top and cargo cover


inside view


RAV4 rear with seats down


5 ft 4 inches from rear to top of folded rear backrest


platform installed, no modifications to platform by the way, just so happens to fit


view of the angle added to stabilize the fore-aft movement, same as prius


both platforms installed


rear view


mats in RAV4


front side view of mats on platform


view from passenger seat


platform ready to go under cargo storage area of RAV4


fits well in RAV4, no issues


Prius storage, no issues

My intent is to keep one platform in the Prius and one in the RAV4 for emergency usage and transfer one to the other car for a long distance road trip.
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#4 (permalink) Old 06-04-2012, 04:53 PM
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Interesting but the first car you showed looks a lot like a Prius.

Twenty years from now you will be more disappointed by the things you didn't do than by the ones you did. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover. - Mark Twain
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#5 (permalink) Old 06-04-2012, 05:26 PM
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Although I would have no use for such a contraption I absolutely admire the work and thought that went into both projects. I'm one of those that cannot draw a straight line on paper with a ruler and a pencil so you're a wizard in my eyes. Well done

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#6 (permalink) Old 06-04-2012, 05:36 PM
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Sweet neoair mattresses!
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#7 (permalink) Old 06-04-2012, 08:58 PM
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Quote:
Originally Posted by Tonyride View Post
Interesting but the first car you showed looks a lot like a Prius.
The first car was a Prius. It just so happened the platform fit the RAV4 aslo without modification.
Keith
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#8 (permalink) Old 06-12-2012, 06:27 PM
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Cool. and awesome camo on that bike!
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#9 (permalink) Old 09-27-2012, 03:14 PM
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KLM 4755 Welcome aboard a super Forum. You did an excellent job. I am in the process of planing a sleeping/camping area in the back of my RAV so i don't have to mess with my Pop-up trailer. THANKS for sharing.

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#10 (permalink) Old 09-28-2012, 12:57 AM
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KLM 4755 I have no use for it, but that's a great project and you really illustrated it well and clearly.
I think I would be concerned about the three metal tabs facing the rear and their rubbing on the vinyl on the back of the rear seats that are folded down from movement of people in the bed. Maybe you could plastidip them? Also, the front edge of the plywood looks like it will rub on the back of the front seats... maybe add some sort of soft plastic molding strip to the front edge?

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