That sinking feeling. Height adjustable chairs.

[Andrew]

And usually with a weight rating that causes problems for many 'modern' (= overweight) people.

What's your BMI Mike ?? :-)

[Andrew]

Are these chairs kept in rooms facing south and therefore gettign very hot after last year and this ?.

[Andy Burns]

My Aeron size C seems to be good for 350 lb, I think I'm safe for the time being ...

[Andrew]

The insurance co I worked at in the mid 90's had office chairs with gas lifts that had a maximum safe loading of only 100 KG which is about

16 stone I think.

[Andrew]

Or think laterally (or vertically)

[Chris J Dixon]

I recall having to do Risk Assessment for offices at work. I did include the possibility of staff members being over the stated limit for gas lifts on the chairs.

We had some which had the ability to tilt backwards if you transferred your weight accordingly. This was achieved by a 1/4" square steel member in torsion. One by one they failed, and it could be quite a jerk when they went. I assume it was either faulty material, or poor (non-existent) calculations.

Chris

[Chris J Dixon]

I well remember getting one for Christmas, just what I wanted for my homework desk.

Over the years the thread wore, and it became increasingly wobbly.

Chris

[Andrew]

Adjust the desk instead :-)

[Steve Walker]

They are a taper fit. I just used a g-clamp to force it back out. You'll need to unscrew the bottom bracket from the seat to do this.

[Mike Halmarack]

Miniscule

[Mike Halmarack]

North :-( Dammit I was looking forward to what came next!

[Mike Halmarack]

Cogito all over the place, ergo sum.

Exciting!

[Mike Halmarack]

Which is a bit of a reversal roles.

[Chris J Dixon]

I have a (now discontinued) IKEA chair which has performed very well for some years now. My first attempt was a different (even more expensive) model, which had a floating mechanism which couldn't be locked out. Even slacked fully off, my upper-body mass was too small to overcome the spring, and it was permanently trying to tip me off. It had to be swapped.

Chris

[Mike Halmarack]

Tipped off is even worse than being let down.

[fred]

These as struts are held in position by friction. You may find it well nigh impossible to extract it from either chair base or the spider. I would suggest you try this before buying a replacement

[Steve Walker]

They will push out with the judicious use of one or a pair of g-clamps. As soon as its moved a few millimetres, it'll just pull out.

[Jim GM4DHJ ...]

[Mike Halmarack]

Truely inspiring, even career changing.

[Jim GM4DHJ ...]

totly