I have a question I would like to clear up. Hopefully someone can help.
Concerning chair construction. Specifically, what measurement on a chair is considered the correct terminology for “seat depth”?
Is seat depth measured from the front of the legs to where your back rests (buttock popliteal measurement) or from the front of the legs to the back of the chair legs?
What is the terminology for the other measurement then?
Can someone please clarify? Thanks!
Replies
Just going thru this myself.
Sounds like yer possibly using the same text---Human dimension and interior space etc.
Most of their drawing show seat depth based on the distance from the front of the shin bone to the back of the buttocks....Not really useful for us woodbutchers eh?
And none of the drawings there show variance in back support slope.
I have the book "1000 chairs" and although you would expect it to provide details, it don't.
If yer NOT using this "human dimension etc" book, let me tell ya that there is a whole spectrum of considerations offered that differentiate kitchen chairs from waiting room chairs, office chairs, etc, etc, etc.
if you are using this text, we can talk on the same wavelength about ideas and applications, and if you are NOT using this text, perhaps if I emailed you some of the drawings in it you could derive some futher insight. Not that I'm an expert or anything
The first time I saw this book, I knew I had to have it. Who knows, you may decide the same..
Eric
Chuck—
Seat depth is considered what you sit on, and does not include the outer portion of the legs (assuming you don't sit on them), any voluttes, filigree, etc. Typical depth for task seating, including dining, is between 16 and 20 in., most commonly 18 in.
The terminology for the total depth is considered the size of the chair. For example, if a gallery were to list a chair at 22 in. deep x 20 in. x 40 in. tall, these would be the overall dimensions of the chair, and would not necessarily include the precise seat depth that we, as chairmakers, need.
Another good book (but mighty pricey) is Time Saver Standards for Interior Design and Space Planning by McGraw Hill. I refer to it for my own work.
—Andy Rae
Thank you very much! I think this clears it up. I appreciate everyone's input on this.
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