This is the main washer required to make functional Constant Force Joints.
Constant Force Joints allows robust rotational motion, with only a bolt, ball bearing & two washers per joint. They are cheap to make and forgiving to build. It's a component that can be added to any design requiring a joint which can retain position at any angle.
You can find the full write up on my website with more examples at: bornity.com/constant-force-joints
BOM links to Hardware Can be found here: Standard Constant Force Joint Hardware This is Per Standard Joint, multiply by your number of Joints.
Table Saw Tilting Motion
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Phone Stand Using Constant Force Joints
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