Waste Container Locking Device with Automatic Tilt-Actuated Cam Mechanism
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional automatic locking devices for waste containers are bulky, expensive, and difficult to mount on variously shaped and sized containers, requiring manual operation by trash removal drivers, which increases operational costs and is inefficient in preventing unauthorized use.
Innovation Solution
A safety locking device with a base unit and pivoting unit, featuring a pinion member with a cam, a sliding member, and a locking mechanism that automatically unlocks when the container is tilted, allowing for automatic operation without the need for manual intervention, while also being adaptable to different container sizes and shapes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional chains and padlocks are used to lock dumpsters, then unauthorized use is reduced, but operating expenses increase because the driver must manually unlock and relock the dumpster
Solution Approach 1:
The locking device automatically locks and unlocks based on the container's position. When the container is in the upright position, the locking member engages to secure the lid. When the container is tilted for emptying, the locking member automatically disengages without requiring manual intervention, thus eliminating the need for drivers to manually unlock and relock the dumpster
Solution Approach 2:
The locking device uses the container's tilt angle as feedback to control the locking state. The cam mechanism on the pinion member detects the container's position and automatically actuates the locking member to engage or disengage based on whether the container is upright or tilted, creating an automatic feedback-based locking system
2Ease of operation
If conventional automatic locking devices are used, then manual operation is eliminated, but the devices become bulky, expensive, and difficult to mount on variously shaped containers
Solution Approach 1:
The locking device is divided into distinct functional components: a base unit that attaches to the container, a pivoting unit with the locking mechanism, and a pinion member with a cam. This segmentation allows each component to be optimized independently and simplifies the overall structure, making it easier to manufacture and install on various container types
Solution Approach 2:
The locking device is designed to be universally applicable to containers of various shapes and sizes. The base unit can be mounted on different container surfaces, and the pivoting unit accommodates different lid configurations. This universal design eliminates the need for custom locking devices for each container type, reducing complexity and installation difficulty
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution reduces operational costs by eliminating the need for drivers to manually unlock containers, enhances security by preventing unauthorized access, and is designed to withstand outdoor use, providing a cost-effective and efficient locking mechanism for waste containers.
Implementation Method 1
The sliding member drivingly engages the pinion member via the cam on the pinion member, so that rotational movement of the pivoting unit relative to the base unit causes linear displacement of the sliding member
Data Source
AI summary
The present invention generally relates to waste containers and, more particularly, relates to a safety locking device for waste containers. The locking device contains a base unit and a pivoting unit pivotally mounted to the base unit. The base unit contains a pinion member, having a cam thereon, non-movably attached to the base member. The pivoting unit includes a lock casing defining a cavity which houses a locking mechanism. The locking mechanism contains a locking member which is pivotally movable between a blocking position to prevent relative movement between the pivoting unit and the base unit, and a release position to permit the relative movement between the pivoting unit and the base unit.