Within the fields of everyday carry and travel security, the zipper lock is a category whose core structure has rarely been reexamined. For decades, most designs have relied on keys or simple ...

This file type includes high resolution graphics and schematics when applicable. The continuous introduction of new technologies and the growing Internet of Things (IoT) is creating new opportunities ...

Spring are mechanical devices that store and apply kinetic energy. They’ve been around a long time and continue to play essential roles in a wide range of machines, vehicles, and engineering tools.