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I found this link.
https://amazon4x4.wordpress.com/2015/03/23/hoist-for-roof-tent/
It's about building this:
Now, fair disclosure, there's a Patent on this idea related to Wranglers and their hard tops:
https://patents.google.com/patent/US20130280020 but they say great deals are to be found in buying and licensing patents that nobody's making money off of.
But I ask myself again, what would be so hard about this? People have expressed concerns over torsional forces on the hitch lifting the hard top with the distanced and swinging (and high) boom. I say, so make it like a hitch crane's feet.
Granted the distance (and height) of the above boom would need to be further from the hitch than here, and I understand about the forces of leverage, but Google these devices and you see them picking up large generators, some of those cranes without even support feet. The back of the 4 door hard top pushes something not much North of 100 pounds. And sure, I'd work with a Type 2 hitch or higher.
Such a device could be portable, so you could take your hard top off at, say a camp sight. The Top Lift Pro or Hoist A Cart aren't easily portable.
And yet nobody's done it. Am I inflating the need for portable top removal...missing something fundamental about the engineering?
Sure the back of the hard top is cumbersome...but its an issue of balance already dealt with by the people at Lange Originals with their Hoist a Cart.
I think its bound to be easier and cheaper to make, and for the user to assemble.
When the warm weather returns I may give this a try--on smaller stuff than a hard top first.
Thoughts?
https://amazon4x4.wordpress.com/2015/03/23/hoist-for-roof-tent/
It's about building this:
Now, fair disclosure, there's a Patent on this idea related to Wranglers and their hard tops:
https://patents.google.com/patent/US20130280020 but they say great deals are to be found in buying and licensing patents that nobody's making money off of.
But I ask myself again, what would be so hard about this? People have expressed concerns over torsional forces on the hitch lifting the hard top with the distanced and swinging (and high) boom. I say, so make it like a hitch crane's feet.
Granted the distance (and height) of the above boom would need to be further from the hitch than here, and I understand about the forces of leverage, but Google these devices and you see them picking up large generators, some of those cranes without even support feet. The back of the 4 door hard top pushes something not much North of 100 pounds. And sure, I'd work with a Type 2 hitch or higher.
Such a device could be portable, so you could take your hard top off at, say a camp sight. The Top Lift Pro or Hoist A Cart aren't easily portable.
And yet nobody's done it. Am I inflating the need for portable top removal...missing something fundamental about the engineering?
Sure the back of the hard top is cumbersome...but its an issue of balance already dealt with by the people at Lange Originals with their Hoist a Cart.
I think its bound to be easier and cheaper to make, and for the user to assemble.
When the warm weather returns I may give this a try--on smaller stuff than a hard top first.
Thoughts?
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