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Smaller second and third images. Proper spacing between units and values. Subscripts on plate reference names. Better title.
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Adjustable How can I hold an adjustable angle between two load-bearing plates?

Here weI have two wooden plates, both with the same dimensions (5cm5 cm thick, 50cm50 cm long and 35cm35 cm wide).

enter image description heresketch of plate orientation

To better explain, I sketched coordinate axes. DistanceThe distance between plates must be at least 10cm10 cm. Plate P1P1 is fixed, ie. it doesn't move, but P2P2 rotates about the y axes-axis. Angle alpha can go from 0 degreedegrees (when theythe plates are parallel) to at least 90 degrees.

sketch of distance between plates

How can I realize itthis design in practice? Which mechanical elements should I use? It must be strong, there will be load of max. 30kg30 kg hanging on plate P2P2. There must be some mechanism that will connect these two plates and enable P2 rotates,P2 to rotate but also when one setsets a desired angle between plates, itthe mechanism must prevent P2 to fall downhold the angle constant. Thanks in advance

enter image description here

enter image description heresketch of angle between plates

Adjustable angle between two plates

Here we have two wooden plates, both with same dimensions (5cm thick, 50cm long and 35cm wide).

enter image description here

To better explain, I sketched coordinate axes. Distance between plates must be at least 10cm. Plate P1 is fixed, ie. it doesn't move, but P2 rotates about y axes. Angle alpha can go from 0 degree (when they are parallel) to at least 90 degrees. How can I realize it in practice? Which mechanical elements should I use? It must be strong, there will be load of max. 30kg hanging on plate P2. There must be some mechanism that will connect these two plates and enable P2 rotates, but also when one set desired angle between plates, it must prevent P2 to fall down. Thanks in advance

enter image description here

enter image description here

How can I hold an adjustable angle between two load-bearing plates?

I have two wooden plates with the same dimensions (5 cm thick, 50 cm long and 35 cm wide).

sketch of plate orientation

The distance between plates must be at least 10 cm. Plate P1 is fixed but P2 rotates about the y-axis. Angle alpha can go from 0 degrees (when the plates are parallel) to at least 90 degrees.

sketch of distance between plates

How can I realize this design in practice? Which mechanical elements should I use? It must be strong, there will be load of max. 30 kg hanging on plate P2. There must be some mechanism that will connect these two plates and enable P2 to rotate but when one sets a desired angle between plates, the mechanism must hold the angle constant.

sketch of angle between plates

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Chris Mueller
Chris Mueller
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Adjustable angle between two plates

Here we have two wooden plates, both with same dimensions (5cm thick, 50cm long and 35cm wide).

enter image description here

To better explain, I sketched coordinate axes. Distance between plates must be at least 10cm. Plate P1 is fixed, ie. it doesn't move, but P2 rotates about y axes. Angle alpha can go from 0 degree (when they are parallel) to at least 90 degrees. How can I realize it in practice? Which mechanical elements should I use? It must be strong, there will be load of max. 30kg hanging on plate P2. There must be some mechanism that will connect these two plates and enable P2 rotates, but also when one set desired angle between plates, it must prevent P2 to fall down. Thanks in advance

enter image description here

enter image description here