Tool Storage Drawer Electric Lock with Sensor-Activated Control
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Solution Overview
Problem
Existing tool storage systems lack an efficient and secure mechanism to ensure that drawers remain closed when not in use, and to allow only one drawer to be open at a time.
Innovation Solution
A tool storage system incorporating an electric lock and sensor-activated processing circuitry, where the electric lock engages a latch when the drawer is closed and disengages it upon user action detected by the sensor, allowing the drawer to open.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If a mechanical locking system is used to secure drawers, then the drawer can remain closed, but the system lacks automation and requires manual operation
Solution Approach 1:
The patent replaces traditional mechanical locking systems with an electric lock assembly actuated by a motor. The motor-driven lock assembly automatically engages or disengages the latch based on electrical signals from the controller, eliminating the need for manual key operations or complex mechanical locking mechanisms while achieving automated drawer security.
Solution Approach 2:
The system enables self-service operation where the drawer automatically locks when closed and unlocks when opened, without requiring external intervention. The sensor detects drawer position and the controller automatically activates the motor to engage or disengage the lock, making the system self-regulating and eliminating the need for separate locking actions by users.
2Reliability
If multiple drawers can be open simultaneously, then user convenience is improved, but security and organization are compromised
Solution Approach 1:
The system employs sensors to detect the open/closed status of each drawer and provides feedback to the controller. When a drawer is opened, the sensor signal triggers the controller to automatically engage the electric lock on other drawers, ensuring they remain securely closed. This feedback mechanism maintains security while allowing individual drawer access.
Solution Approach 2:
The system prevents the harmful effect of multiple drawers being open simultaneously by automatically locking other drawers before a new drawer is opened. The controller monitors drawer positions and preemptively engages locks on closed drawers when one drawer is opened, preventing the security issue before it can occur.
3Reliability
If an electric lock system is implemented, then automation and security are improved, but device complexity increases
Solution Approach 1:
The electric lock assembly is designed as a multi-functional unit that integrates the motor, latch mechanism, and actuation system into a single compact assembly. This universal lock assembly can be applied to multiple drawer types and configurations, reducing overall system complexity through standardization while maintaining automated security functionality across all drawers.
Data Source
AI summary
A tool storage system is provided that includes a cabinet, a drawer assembly installed in the cabinet, a lock assembly, and processing circuitry. The drawer assembly includes a drawer operably coupled to the cabinet to enable the drawer to slidably open and close, and a sensor configured to detect a user action to open the drawer. The lock assembly is operably coupled to and between the cabinet and the drawer, and includes an electric lock configured to engage a latch when the drawer is closed, and disengage the latch to enable the drawer to open. The process-ing circuitry operably coupled to the sensor and the electric lock. The processing circuitry is configured to receive a signal from the sensor responsive to detection of the user action to open the drawer, and control the electric lock to disengage the latch responsive to the signal.