Press-Fit, Friction-Retention Coupling Assembly Between Hard, Inflexible Material Components
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United States of America Patent
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Issued Date -
Feb 16, 2023
app pub date -
Oct 27, 2022
filing date -
Oct 27, 2022
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Abstract
An outer component has an opening therein defining an outer component mating wall, and a collar is configured to be inserted into the opening in the outer component. The collar has a collar mating wall with an outer surface and including a number of protrusions. A recess can surround each protrusion so that an overall protrusion height between a base of the protrusion and a distal end thereof is greater than a protruding distance between an outermost portion of the outer surface of the collar mating wall and the distal end of the protrusion. The configuration of the protrusions, including the number thereof, can be designed to provide a press-fit insertion force of 50 Newtons or less, and to provide a friction retention force sufficient to retain the collar within the opening of the outer component under its own weight, throughout relevant tolerance ranges for the mating walls.
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