Profile: Adjustable Locking Technologies LLC specializes in providing incremental locking hinges used in medical applications. Our Variloc® hinges are used in manual adult, bariatric, pediatric & platform positioning chairs, support walkers and custom products. Our aluminum hinges are used to adjust sleep & face support products for recovering patients. Our stainless steel hinges are used for prototyping an ambulatory assistance device. Our steel hinges are used for adjustable leg rests in roll-about and tilt roll-about specialty chairs.