patent drawing for lauf rear hub with integrated pawls. Support us! Bikerumor may earn a small commission from affiliate links in this article. Learn More
OK, so, technically this new Lauf Cycles rear hub design could have “thousands” of points of engagement per rotation, but that might as well be infinite. Also known as instantaneous .
Either way, the effect is that the hub will engage so quickly that it will feel immediate, and it does this with a very clever staggered, potentially “elastic” pawl design that also softens engagement and can be located throughout the hub’s entire shell.
Oh, and it does all of this without magnets or springs. How Lauf’s hub design works
patent drawing for lauf rear hub with integrated pawls. The basic premise uses integrated pawls ( 701 ) made on an inner ring, each essentially it’s own spring with a toothed hook at the end to engage with the teeth ( 105 ) on the drive ring ( 102 ).
However, it could also place the pawls on the outer ring and put the drive ring on the inner surface: patent drawing for lauf rear hub with integrated pawls. The pawls are staggered to engage at different points in the hubs rotation, effectively creating more points of engagement with fewer-but-larger teeth. This is how many current hubs work, usually having two or three pawls engaged at any point in time. For hubs that don’t need ultra-quick engagement, the pawls could be wider ( Fig. 5b ). patent […]
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