Constant Force USA is a manufacturer of constant force springs that include: POP pusher springs, brush springs, negator springs, power springs, B- motor springs, saddle springs, recoil springs, clock springs, grounding springs, & variable force springs. We specialize in rapid prototyping of springs of 48 hours or less and pride ourselves in short lead times for small to medium production runs. Whether you need a spring or spring assembly, our flexibility, resourcefulness, and engineering know-how will provide you with a high quality product at a competitive price and a customer service experience that will exceed your expectations. We invite you to see how Constant Force USA can be the Force behind your success on your next project.