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Spring Cassette Unit for Normbau Lever Rosette Handles


  • Price From: £15.99 + VAT

If you have unsprung handles on a round 'rose' rather than a backplate and are struggling to find the solution to converting them to sprung handles, or indeed replacing the old spring cassette, then these could be just what you're looking for. Designed for use specifically on the coloured plastic / nylon 'Normbau' lever handles, but also suitable... Read more »


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Product Name Stock Price Tap in Req. Qty
Spring unit, for use with lever handles (1 Pair)
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£15.99 + VAT
(£19.19 inc VAT)

If you have unsprung handles on a round 'rose' rather than a backplate and are struggling to find the solution to converting them to sprung handles, or indeed replacing the old spring cassette, then these could be just what you're looking for.

Designed for use specifically on the coloured plastic / nylon 'Normbau' lever handles, but also suitable in other applications, these are designed for a standard 50mm diameter round rose.

One especially useful application for these that we have found in the past, is that if you have an old style door with door knobs, and the knobs are very rickety and have lost all tension on their springs, these - although not made for it - can in fact be recessed into the door if you were to route out a 50mm hole around the hole for the spindle, to grant a new lease of life to the door knobs!
- Written by Jack

 

Main photo of Spring Cassette Unit for Normbau Lever Rosette Handles

Spring Cassette Unit for Normbau Lever Rosette Handles


Hi guys. My name is Darrel and I'm head of the tech team here at Locks Online. Thanks for taking some time to tune in and have a quick look at one of our product review videos. Now we've proudly shortened the videos together to be able to give you, our customers, the opportunity to see the products that we have to offer, and hopefully a little bit more detail or in the flesh, so to speak.

So today, I want to show you a range of spring cassettes that's designed to work with a Normbau range of nylon door furniture, that we have available on our website. You can buy Normbau handles either unsprung or sprung, or you can turn around and have these cassettes to allow you to make an unsprung handle, a sprung version, a kind of like a modular sort of setup.

So today, I'm going to actually show you the actual spring cassette because to be honest with you, even though it's designed to work with Normbau, we have found ourselves to be able to use this on locks that are using knobs where the actual springs or set of lever handles, etc., where the spring is inside the actual lock itself is starting to wear away. And what you can actually do is by putting these, actually right and out a little bit of a timber on the door, you can actually screw these in, and therefore then allowing that set of handles to be sprung loaded, whereas perhaps they weren't before.

So even though they're designed to work with Normbau and they're designed to clip inside the rose of a handle, you could actually use them as well for strengthening up a set of knobs or a set of locks that you may already have. So just a little point of observation there which lends itself and incidentally to knowing critically the size of these. Most roses on handles, etc., are run about 50 millimeters and these here are designed to sit inside. That's the overall diameter of these units here. If I was to measure that for your there, you're looking at around about 48.8 millimeters. So it's just under the actual 49 millimeters call it, just under the 50 millimeters.

As you can see there, it has some fixing centres here which can allow you then if you wanted to screw them in and it would go through if it was on a Normbau setup. But you could also use some wooden screws here to be able to screw it, actually into the wood of the door also. So that's well worth looking at there and the actual springing cassette is this particular part there. The actual projection, the actual overall projection of the actual cassette itself is around about 12.3 millimeters wide there as you can see.

So even though it's designed for Normbau, we as Locks Online have used it also for little bits of bespoke types of applications as well. So if you need to spring up or strengthen up the springs on a set of knobs or a set of handles that you may already have, perhaps these may work and I'm saying may because there's a lot of permutations to make me sure that they will. But at least now you've seen them in the flesh and may have given you the conceptual idea, so go and measure yours if you find in your hands, drooping slightly, etc., this might be what you might be able to help you in your application.

But listen, if you need a bit more information on these or any of the products that we have, pop us over an email. Use the live chat that we have or simply pick up the phone and give us a call. Either way, we'd love to hear from you and more importantly we'd love to see you as one of our customers. So from me, Darrel, and all of us on the team. Thanks for taking the time to tune in. I hope to catch up with you real soon. Take care now. Bye-bye.

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The LocksOnline Team


Darrel

Head of the tech team, and locksmith of 25+ years


Eve

Specialises in Ironmongery & Door Furnishing


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