AL-KO Cobra Trailer Coupler Keyhole Slot?

On the side of the AL-KO 2" coupler on my Cobra trailer there is a "keyhole" shaped hole. What is it for? It sure looks like some type of locking mechanism but no one seems to know what it is for. The coupler is marked "CL4 2" AL-KO Elkhart, IN). I contacted AL-KO in the UK and they directed me to AL-KO in the US but I never got a response.

Thanks, John

Here are some pictures;

https://dl.dropboxusercontent.com/u/...%20coupler.jpg
https://dl.dropboxusercontent.com/u/...%20coupler.jpg

Le mardi 14 février 2017 14:10:16 UTC+1, OHM Ω http://aviation..derosaweb.net a écritÂ*:
On the side of the AL-KO 2" coupler on my Cobra trailer there is a "keyhole" shaped hole. What is it for? It sure looks like some type of locking mechanism but no one seems to know what it is for. The coupler is marked "CL4 2" AL-KO Elkhart, IN). I contacted AL-KO in the UK and they directed me to AL-KO in the US but I never got a response.

Thanks, John

Here are some pictures;

https://dl.dropboxusercontent.com/u/...%20coupler.jpg
https://dl.dropboxusercontent.com/u/...%20coupler.jpg

I think that it's a slot where you can intruduce amortise lock. People use that to avoid other people driving away with their trailer ;-).

On Tuesday, 14 February 2017 08:10:16 UTC-5, OHM Ω http://aviation.derosaweb.net wrote:
On the side of the AL-KO 2" coupler on my Cobra trailer there is a "keyhole" shaped hole. What is it for? It sure looks like some type of locking mechanism but no one seems to know what it is for. The coupler is marked "CL4 2" AL-KO Elkhart, IN). I contacted AL-KO in the UK and they directed me to AL-KO in the US but I never got a response.

Thanks, John

Here are some pictures;

https://dl.dropboxusercontent.com/u/...%20coupler.jpg
https://dl.dropboxusercontent.com/u/...%20coupler.jpg

The lock that fits in that hole is available from Spindleberger, and prevents the retraction of the internal part of the fitting that allows the tongue to settle all the way onto the hitch, thus indeed a device to prevent someone from hooking up your trailer to his vehicle.

But iof you lose the key, as I did for mine, it is not too difficult to overcome the device with a large screwdriver and some determination.

Yep, I don't want anyone to drive away with my "baby". My old trailer's coupler had a hole in the latch in which a simple padlock can be inserted. The ALKO coupler seems less secure? I have twice sent an email to the Elkhart, IN office's contact address from their web site with zero effect. I am going to have to call them.

On Wednesday, February 15, 2017 at 11:55:36 AM UTC-5, OHM Ω http://aviation.derosaweb.net wrote:
Yep, I don't want anyone to drive away with my "baby". My old trailer's coupler had a hole in the latch in which a simple padlock can be inserted. The ALKO coupler seems less secure? I have twice sent an email to the Elkhart, IN office's contact address from their web site with zero effect. I am going to have to call them.

I've ordered a lot of alko bits from the uk at http://www.tauntontrailers.co.uk/security-40-c.asp ; likely they have what you need. I usually receive orders within a week, at prices that are highly attractive.

Very nice web site. I did search for "AL-KO Lock" but they are all for some fancier AL-KO couplers or stabilizers. I might send them an email. The hunt continues.

On Thursday, February 16, 2017 at 6:45:45 AM UTC-8, OHM Ω http://aviation.derosaweb.net wrote:
Very nice web site. I did search for "AL-KO Lock" but they are all for some fancier AL-KO couplers or stabilizers. I might send them an email. The hunt continues.

Below is the key lock

http://www.tauntontrailers.co.uk/bra...lock-731-p.asp