ATM Security Gate Lockpin Mechanism
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Solution Overview
Problem
Automated Teller Machines (ATMs) are vulnerable to theft and break-ins, with existing security measures failing to adequately protect the money cassettes housed within them, allowing organized criminals to exploit these vulnerabilities.
Innovation Solution
A gate and frame system is designed to secure ATMs, featuring a reinforced arm with a lockpin and lock mechanism that distributes force away from the lock, combined with sensors for alarm activation and a frame that surrounds the ATM to prevent chain attacks, enhancing structural security and obscuring locking mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a lock mechanism is used to secure the ATM gate, then the security against unauthorized access is improved, but the lock becomes vulnerable to forceful attacks that could damage or compromise the locking mechanism
Solution Approach 1:
The lockpin serves as an intermediary element between the lock and the arm. It engages with the attachment to prevent arm rotation while being isolated from direct force application. The lock only secures the lockpin in place, rather than directly restraining the arm, thereby protecting the lock from harmful forces.
Solution Approach 2:
The security system is segmented into distinct functional components: the lock secures the lockpin, the lockpin restrains the arm, and the attachment connects the arm to the gate. This segmentation ensures that force applied to the arm does not directly affect the lock, as each component handles a specific aspect of the security function.
2Reliability
If the lock directly restrains the arm to prevent gate opening, then the security is improved, but the lock becomes subject to all forces applied to the arm including bending and shear forces
Solution Approach 1:
The lockpin acts as a mediator that absorbs the mechanical forces of restraining the arm, while the lock only performs its function of securing the lockpin in place. This intermediary arrangement protects the lock from bending and shear forces that would otherwise be applied if it directly restrained the arm.
Solution Approach 2:
The function of directly restraining the arm is extracted from the lock and assigned to the lockpin instead. The lock is removed from the direct force path, leaving only the security function of preventing lockpin removal, while the mechanical restraint function is handled by the lockpin-arm interaction.
3Ease of operation
If the ATM is left accessible for customer use, then the ease of operation is improved, but the ATM becomes vulnerable to theft and break-ins
Solution Approach 1:
The security system is segmented into a gate structure that surrounds the ATM, creating a physical barrier that must be overcome for unauthorized access. The gate with arm-lockpin-lock mechanism provides security while leaving the ATM interface accessible for legitimate customers through the gate structure.
Solution Approach 2:
The gate and locking mechanism provide preliminary security measures that prevent or deter criminal activity before it can reach the ATM. The reinforced arm and lockpin create obstacles that require significant effort to overcome, thereby preventing unauthorized access while allowing normal operation through the gate.
Data Source
AI summary
Apparatus to secure an Automated Teller Machine (ATM) or other structure are disclosed herein. One apparatus includes an arm including an attachment and a lockpin that engages the attachment in an engaged position. The lockpin is configured to prevent the arm from disengaging from the engaged position when a force is applied to the arm. Another apparatus includes an arm including an attachment that prevents rotation of the arm, a lockpin that engages the attachment in an engaged position, and a lock connected to the lockpin to prevent releasing the lockpin from the engaged position. An ATM includes a frame, a gate, and an abutment. The gate includes an arm including an attachment that locks the arm. The abutment includes a lockpin that engages the attachment in an engaged position to prevent the arm from unlocking and a lock connected to the abutment to prevent access to the lockpin.