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IKEA Lack Door handle and latch mount

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Creation's quality: 4.5/5 (1 vote)
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3D model description

Yet another Lack door handle. Designed to mount the push button latches used in caravans, campers and boats. The latches have a positive locking action and do not snaplock, requiring manual pushing of the button to both positively lock and to unlock it.
Here's a link to the type of latches. These can be bought on Amazon or Ebay, the latter is a bit cheaper and it's where I got mine (A few quid / bucks and having took one apart to consider re-engineering it, just didn't seem worth the effort).
https://www.amazon.co.uk/lzn-Button-cupboard-camper-handle/dp/B078YVZSYM/ref=sr_1_1?ie=UTF8&qid=1533580845&sr=8-1&keywords=mini+push+button+lock
Mounting holes in the handle are threaded M4 and approx 12mm deep. The handle is designed for fitting to 4mm acetate (Perspex, Plexiglass) sheet although thicker material can be accommodated by the latch by unscrewing the release knob on its mount. Drilling jigs are provided to ensure accurate mounting of the handle and latch assembly to the door panel. One has a zero offset, which will position the edge of the handle and latch body in line with the edge of the door. The other jig has an 8mm offset, which allows the use of the strike plate, also included in the files. The alternative to using the strike plate, is to carefully cut a rectangular hole in the Lack leg to accept the latch bolt. The drilling jigs are designed for a 2mm pilot drill. The centre of the latch bolt is in line with the centre hole of the group of three in the jig The holes in the door then need to be opened up, 20mm for the latch button and 4.5mm for the three mounting screw holes.
The strike plate is positioned on the leg in alignment with the latch assembly. I've left around 7mm vertical clearance between the bolt and the strike slot dimensions but I found the easiest way to set the strike position was to slip it over the latch bolt and close the door to its desired position. I then marked through the screw holes on the leg and pilot drilled with 1.5mm drill. The strike is then secured with a pair of 4mm countersunk woodscrews to the frame (leg) of the enclosure.
This handle is currently only suitable to mount on the left hand side of the door. I'll get a Right handed version published soon.
Update. 09.08.18. I've added the Right handed handle and they now have an identifier marked on the inside faces to avoid confusion.
Please let me know if you have any issues or if you like the design. I've not printed a Right handed version yet so if anyone does, could you please let me know if it was successful?

  • 3D file format: STL

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