ideal angle for bench back designs

Reference: Common Dimensions, Angles and Heights for Seating .

Reference: Common Dimensions, Angles and Heights for Seating Designers If you're designing a chair, sofa, stool, bench, booth or banquette, start here By Rain Noe - November 25, 2015

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Must-have measurements for comfortable seating | WOOD Magazine

Keep in mind, though, that as the back angle increases, you need to up the seat angle (to maintain the seat-to-back angle between 90° and 100°) to prevent forward sliding and lower the seat height to keep the front edge of the seat from contacting the back of the legs.

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Sitting and Chair Design - Cornell University

back angle for comfort is 15-degrees. This is in keeping with other studies by Etienne Grandjean where VDT operators have preferred 13-15-degree backward incline. At this angle the pressure on the intervertebral discs is minimal. "Keegan's normal posture" - X-ray studies on 5 people

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SLOPING AND BENCHING SYSTEMS

Cut­back distance (H) = .75 x Depth (V) Steepest Actual Slope Cut­back distance (H) = 1.25 x Depth (V) For combination slope/bench systems in TYPE A soil and a trench depth of less than 20 feet, the steepest maximum allowable slope is 53 degrees from the horizontal.

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design - Adding an angled back to a bench - Woodworking Stack .

You want the back to be firmly braced by the bench base. To do so extend the back bench legs up to the height of the top of the back and connect them with a horizontal beam. You can then set the angle by extending supports at the sides and two center supports down from the top to the seat support framing.

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Building Benches For Your Deck.You can do It!

An ideal slope for a backrest is about 5 degrees, maybe a bit more. Beyond 10 degrees and it will start looking and feeling like an Adirondack Chair, without the comfort so don’t bother. Wood is inherently hard and uncomfortable for sitting on over long periods of time. So these building tips will alleviate that a bit.

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Dimensions for Outdoor Benches | Hunker

If you want an outdoor bench with a back, the back should extend at least 16 inches above the top of the seat. The backs can be perpendicular to the seat or slightly sloped backward. Keep the slope gentle; about 5 degrees is typically enough for added comfort.

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