RPI IP 2025‑001‑301
A remote switch adapter assembly is presented that mechanically actuates an existing wall switch without requiring any rewiring, removal, or modification of the electrical fixture. The system uses a plate that couples directly to a standard electrical switch box, with a switch opening and elongated slots through which rack members or guide members extend from a moveable actuator portion. A servo‑driven pinion or guide‑member engager operates behind the plate, driving the actuator linearly in two opposite directions to toggle the switch. Wireless control via a transceiver enables operation through a remote control or smartphone, while manual operation remains possible through integrated finger grasps.
Conventional automated light‑switch solutions require electrical expertise, permanent fixture changes, or costly installation—barriers particularly acute for renters, students, and individuals with mobility challenges. Existing mechanical add‑ons are typically bulky, visually intrusive, expensive, or unreliable due to multi‑component complexity. This invention creates opportunities for a low‑cost, renter‑safe, compact retrofit that preserves wall aesthetics and avoids any electrical work. The technology also opens pathways for modular automation platforms and smart‑home compatibility without infrastructure modification.
✔ Mechanical actuation avoids rewiring and complies with rental restrictions ✔ Compact rear‑mounted servo fits partially within existing switch box for minimal protrusion ✔ Wireless control compatible with remotes and smartphones ✔ Manual override using front‑mounted finger grasps ✔ Battery‑powered option simplifies installation and eliminates wiring ✔ Suitable for widespread consumer adoption due to affordability and ease of use
• Retrofit smart‑home automation for renters and dormitory residents • Accessibility solutions for elderly and mobility‑limited users • Low‑cost home automation product lines • Adaptive devices for temporary or portable installations • Smart building controls without electrical modification
retrofit automation, mechanical actuation, smart switch adapter, servo‑driven rack‑and‑pinion, wireless control, accessibility technology
Published International Application No. PCT/US2024/042860