Patent 8727906 was granted and assigned to Callaway Golf Company on May, 2014 by the United States Patent and Trademark Office.
An adjustable shaft and hosel assembly allows for dependent and independent adjustment of a golf club's face angle, loft angle, and lie angle. The adjustable shaft and hosel assembly comprises a shaft sleeve, a hosel portion, and at least two tubular adjustment pieces having non-parallel upper and lower surfaces, wherein the tubular adjustment pieces include loft and lie angle indicators that can be added together to determine overall club head loft and lie angles.