IKEA Arås office chair

[Solarium]

Hi everybody!

I need to know if the Arås chair, sold by IKEA about ten years earlier, has a lockable tilt function.
I bought this chair in a second-hand market at a very cheap price. I noticed that the height mechanism worked fine, as well as the tilt tension (adjustable by the classic large round knob).
There is only one lever for adjusting height (up and down movement) and tilt (pushing in or pulling out to lock or unlock the chair's tilt). But I realized that once the chair gets reclined, it's not possible to lock the chair's tilt. Only when the chair is in the upright position does the tilt lock work. Is it normal?
Substantially, the backrest reclines but it's not possible to lock it in a backward-tilt position.
So, my question is pretty simple: does Arås chair have only the tilt function with adjustable tilt tension without a tilt lock (except for the vertical position)?
Thanks in advance for your help!

 

[Newboy]

How about asking Ikea?

http://www.ikea.com/gb/en/customer-service/contact-us/

 

[Solarium]

You're right. At the moment, I've tried to use the chat utility but they haven't been so collaborative. I'm going to e-mail them and, at last, if necessary, give a ring.
Everything would be much easier if I found someone with the Arås chair. But trust me, even in swedish forums this old model (we're not talking about 30 years because it was still sold 7-8 years ago) seems to be very unpopular.