How To Thread A Ladder Lock Buckle

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Hither is a tutorial that shows how to properly thread a ladder lock buckle.

The ladder lock buckle allows you to adjust the length of a strap when desired, and to automatically lock information technology to the chosen length. It is used to adjust the shoulder straps on the Troika foldtop backpack design.

The ladder lock buckle

The ladder lock buckle has 3 threading holes and 2 confined.

Ladder lock buckle for backpack shoulder straps

Right and wrong side of the buckle

Determining the right and wrong side of the buckle is of import so that the threading is done correctly and the length of the strap can remain adjustable when desired, while locking automatically.

At commencement glance, you can unremarkably tell the correct side from the wrong side of the buckle.

To be absolutely sure, just expect at the bottom bar : the bar closest to the tongue.

The right side of the buckle is the side on which the lower bar (near the tongue) is raised when compared to the meridian bar. This bar might sometimes too be ribbed on the right side (this is not the case for the one in the photograph).

Right side – Lower bar is raised when compared to the top bar

Threading the stock-still webbing

Tip: remember to finish the ends of your webbing to prevent it from fraying. Either by a zigzag stitch, or by burning the ends ( merely if the webbing is made out of polypropylene, practise non fire a cotton fiber webbing), or, every bit I did hither, past applying glue to the ends.

You'll need 2 pieces of webbing to thread the buckle. One piece won't be adjustable (fixed) and the other piece will be adjustable.

To thread the stock-still webbing :

Thread the webbing into the top hole, from the wrong side of the buckle to the right side of the buckle
Then around the top bar, in the center hole and to the dorsum of the buckle.
Pull a few cm of strap on the dorsum of the buckle.

Then sew together this webbing where you want it on the handbag. Don't forget to topstitch forth the buckle and so that it doesn't take too much room to move. Here, the webbing is sewn on a shoulder strap of the Troika backpack.

Webbing sewn on a shoulder strap of the Troika backpack.

Threading the adjustable webbing

Take the 2nd piece of strap, the 1 that will be adjustable.

For the Troika haversack, 1 cease of this webbing is already sewn onto the bag.

Thread the free end of the webbing through the center hole, from the wrong side of the buckle to the right side of the buckle.
Then thread the webbing around the lower bar, into the lower hole,
and nether the tongue.