# How Rocket Lab Secures Satellites Inside Their Launch Dispensers > A mechanical system that allows engineers to tighten and secure a satellite inside a launch container from the outside after the door is already closed. - **Patent:** US 11059609 - **Original title:** Satellite deployer with externally adjustable payload restraint - **Owner:** Rocket Lab USA Inc - **Granted:** 2021 - **Status:** Active - **Times cited:** 2 - **Field:** aerospace, mechanical ## What it does This patent describes a satellite dispenser that uses adjustable restraints—essentially small, screw-driven feet—to hold a satellite firmly in place during the intense vibrations of a rocket launch. The key innovation is that these restraints are controlled by manual interfaces located on the outside of the dispenser body. This allows technicians to load a satellite, close the dispenser door, and then perform final adjustments to the restraint pressure without having to reopen the container. The system also includes a pusher plate assembly with posts that align with these restraints to ensure the satellite remains stable and protected until it is ready for deployment in orbit. ## What it does NOT cover - Does not cover internal restraint systems that require opening the dispenser door to adjust. - Does not cover automated, non-manual adjustment mechanisms (e.g., hydraulic or electronic actuators). - Does not cover the specific electronics or communication systems of the satellite being held. - Does not cover the rocket propulsion system itself. ## The clever bit The invention moves the 'tuning' of the payload fit outside the sealed environment. By using externally accessible screws to adjust internal polymer feet, it eliminates the need to repeatedly open and close the dispenser, which minimizes contamination risks and saves significant time during launch integration. ## Real-world examples 1. Rocket Lab Photon satellite bus dispensers 2. Small satellite launch integration hardware 3. CubeSat deployment systems ## Why it matters In the small satellite industry, launch providers often carry multiple payloads from different customers on a single flight. This patent simplifies the integration process by allowing engineers to 'fine-tune' the fit of a satellite inside its housing at the very last minute. This reduces the risk of damage during the high-vibration environment of a launch, which is critical for the success of expensive, miniaturized hardware. ## Frequently asked questions ### What does How Rocket Lab Secures Satellites Inside Their Launch Dispensers cover? A mechanical system that allows engineers to tighten and secure a satellite inside a launch container from the outside after the door is already closed. ### Who owns patent US 11059609? Rocket Lab USA Inc owns this patent, granted in 2021. ### When does this patent expire? This patent is expected to expire on July 13, 2041, when the invention enters the public domain. ### What is patent US 11059609 cited by? This patent has been cited by 2 later patents that build on its ideas. ### What problem does this patent solve? In the small satellite industry, launch providers often carry multiple payloads from different customers on a single flight. This patent simplifies the integration process by allowing engineers to 'fine-tune' the fit of a satellite inside its housing at the very last minute. This reduces the risk of damage during the high-vibration environment of a launch, which is critical for the success of expensive, miniaturized hardware. ### What does this patent NOT cover? Does not cover internal restraint systems that require opening the dispenser door to adjust. **Full plain-English explainer:** https://patentbrief.org/patent/us/11059609/starlink-inter-satellite-laser-links **Original patent:** https://patents.google.com/patent/US11059609 --- _Source: PatentBrief — https://patentbrief.org. Patent facts are from public records; the plain-English explanation is PatentBrief's._ ## Related patents Semantically similar inventions in the PatentBrief corpus: - [How Spacecraft Servicing Pods Maneuver and Refuel Other Satellites](https://patentbrief.org/patent/us/11685554/starship-upper-stage) — A specialized robotic pod designed to dock with aging satellites and use a flexible, multi-jointed boom arm to adjust their orbit or velocity. - [How a Host Spacecraft Refuels Another Satellite Without Using Its Fuel Tank](https://patentbrief.org/patent/us/11124318/starship-belly-flop-maneuver) — A system where a host satellite carries and attaches small, non-propelled fuel modules to other satellites, feeding propellant directly into their engines to bypass damaged or empty onboard storage. - [How Tiny Water-Powered Thrusters Steer Small Satellites](https://patentbrief.org/patent/us/11878818/starlink-maritime) — A method for building microscopic water-based rocket engines that use heat to push water through tiny nozzles to steer small satellites in space. - [How Boeing Stacks Electric Space Vehicles for Launch](https://patentbrief.org/patent/us/11708181/mechazilla-catch-tower) — A design for a launch vehicle that carries two space vehicles stacked on top of each other, both using electric propulsion systems for movement in space. - [A Rotating Space Station for Catching and Launching Cargo](https://patentbrief.org/patent/us/7503526/supersonic-retropropulsion) — A patent for a rotating space station that uses long, extendable cables to catch and release cargo payloads while orbiting a planet.