Patent No. US7033039 (titled "Trash storage apparatus") on Jun 12, 2003. The application was issued on Apr 25, 2006.
’039 is related to the field of waste management receptacles and, more specifically, to illuminated trash cans designed for improved visibility in low-light environments. Traditional illuminated bins often rely on high-heat bulbs and external power cords that lack automated control, leading to excessive energy consumption and safety hazards when left on during daylight hours.
The underlying idea behind ’039 is the integration of an automated, ambient-responsive lighting system directly into the functional mechanical components of a trash can. By utilizing a sensor to detect darkness and a dedicated driver to manage power, the invention ensures the bin is only illuminated when necessary, specifically targeting the user-interface points like the foot pedal or the lid surface to guide the user in the dark.
The claims of ’039 focus on a trash storage assembly comprising a container, a lid, and an illuminating element that is controlled by a sensor-driven circuit. The independent claims specifically protect configurations where the light source is mounted externally on either a foot pedal used to open the lid or directly on the lid itself, ensuring the light remains visible to a user approaching the unit in a dark room.
In practice, the system functions as a self-contained unit powered by an internal battery or an external transformer. An optical sensor monitors the surrounding brightness levels; when the light drops below a specific threshold, the control device triggers the luminescent element. This creates a targeted glow on the pedal or lid, providing a clear visual marker for the user without requiring the manual operation of a wall switch or the constant power draw of a traditional lamp.
This approach differs from prior art by moving away from purely aesthetic, high-energy external lighting toward a functional, energy-economic feedback loop. By embedding the light source into the mechanical actuators—such as the pedal—and utilizing a timer or light sensor to gate the power, the invention eliminates the need for manual tethering to a power outlet and prevents the waste of electricity during the day.
In the early 2000s when ’039 was filed, waste receptacles were typically implemented as passive mechanical structures where visibility in low-light environments was achieved through external high-intensity lighting or fixed electrical connections to a building's power grid. At a time when systems commonly relied on high-wattage bulbs and manual power disconnection rather than integrated low-power electronics, hardware constraints made autonomous energy management within small-scale utility hardware non-trivial. Engineering practices for such containers generally prioritized structural durability over electronic integration, often resulting in continuous energy consumption or the requirement for manual intervention to toggle illumination states.
The disclosed invention represents a technical advancement through the integration of an automated driving circuit and sensing hardware directly into the architecture of a trash storage apparatus. By coupling a luminescent element with a driver and a sensor, the system shifts from a passive container to an active, responsive device capable of modulating its own power state based on environmental conditions. This architectural shift overcomes the technical constraint of excessive energy waste and heat generation associated with traditional external lighting. The resulting capability enables the apparatus to provide necessary visibility for waste disposal in dark environments while maintaining energy efficiency through autonomous operation.
The patent contains a total of 18 claims, with claims 1 and 16 being independent. These independent claims focus on a trash storage apparatus equipped with an illuminating element, a driver, and a sensor to provide visibility in the dark, specifically highlighting the placement of the light on a foot pedal or the exterior of the lid. The dependent claims serve to further define the system by specifying power sources, wiring configurations, light patterns such as flashing or continuous shining, the use of multiple light sources, and the specific types of sensors or switches employed in the device.
Definitions of key terms used in the patent claims.
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