Zip Shoulder Fastener

grabcad

The Zip Shoulder Fastener is a versatile pin joint that enables smooth rotation around the shoulder. This unique design is specifically tailored for additive manufacturing processes as it can be directly printed in place without any assembly requirements. Drawing inspiration from zip ties, this fastener applies force between joint parts through interlocking teeth mechanisms to maintain contact between surfaces. As wear occurs with high rotational cycles, this joint can be tightened to keep pressure consistent. Key benefits include no assembly needed, free rotation capability and application of an axial force. This innovative joint is particularly useful in electric hinge assemblies, made possible through Fused Deposition Modeling (FDM) technology using ABS material.