RPI ID: 2020-090-201
Innovation Summary: An adjustable heel architecture is described in which stacked top, intermediate, and bottom sections telescope relative to one another using vertically aligned cavities and horizontal locking‑pin features. Locking pins positioned within upper and lower horizontal cavities engage as sections transition between extended and retracted positions, producing secure heel-height adjustment. A spring‑loaded locking pin in the bottom section enables controlled release and engagement, while optional vertical springs within the cavities assist extension. Certain embodiments incorporate flexible sole zones and toe-area heating elements to maintain comfort across heel-height configurations.
Challenges / Opportunities: Wearers of high‑heeled footwear often experience discomfort, back strain, and instability due to fixed heel elevation. The invention offers a path to customizable height systems that preserve style while improving ergonomics. Shoe manufacturers have an opportunity to differentiate their products by integrating adaptive heel mechanisms into both fashion and comfort-oriented footwear. Additional enhancements—such as embedded heating and flexible forefoot/arch segments—could further extend the commercial appeal.
Key Benefits / Advantages: ✔ Customizable heel height for comfort or aesthetics ✔ Secure multi‑point locking to prevent accidental collapse ✔ Spring‑assisted transitions for ease of use ✔ Modular architecture adaptable to various footwear designs ✔ Optional heating element for enhanced comfort ✔ Sole flexibility zones accommodate shifting heel geometry
Applications: • Fashion footwear with adjustable heel height • Orthopedic or ergonomic shoes requiring variable elevation • Smart or comfort-enhanced footwear incorporating heating and adaptive support
Keywords: adjustable heel, telescoping sections, locking mechanism, spring‑loaded pin, flexible sole, adaptive footwear
Intellectual Property: US patent application published: Application US18/394,051