Shoring Wall Anchor Slider Lock for One-Handed Fall Protection
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Solution Overview
Problem
Existing anchor devices for shoring walls in construction do not provide a user-friendly and safe solution for preventing falls from height, as they often require significant force to operate and can jam with gloves, posing risks during use.
Innovation Solution
A thumb-operated anchoring device with a sliding part and automatic locking mechanism, featuring a tong closure assembly and compression springs, which allows easy one-handed operation and prevents uncontrolled opening, ensuring secure attachment to shoring walls without releasing the device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If existing anchor devices are used for shoring walls, then they can provide fall protection, but they require significant force to operate and can jam with gloves
Solution Approach 1:
The patent replaces traditional mechanical locking mechanisms with a magnetic field-based locking system. The magnetic field is generated by a permanent magnet or electromagnet that interacts with a ferromagnetic material in the shoring wall, eliminating the need for complex mechanical components that can jam or require high operating forces.
Solution Approach 2:
The patent changes the fundamental operating parameter from mechanical force application to magnetic field interaction. By utilizing magnetic attraction and repulsion forces, the device achieves reliable locking and unlocking with minimal manual force, and the magnetic field penetration through gloves eliminates the jamming issue entirely.
2Reliability
If complex locking mechanisms are used to prevent uncontrolled opening, then reliability improves, but device complexity increases
Solution Approach 1:
The patent replaces complex mechanical locking mechanisms with a magnetic field-based locking system. The magnetic field provides inherent reliability through magnetic attraction that maintains the closed position, while the simplicity of the magnetic system reduces device complexity compared to traditional multi-component mechanical locks.
Solution Approach 2:
The magnetic locking system is self-regulating through the natural properties of magnetic fields. The magnetic attraction automatically maintains the closed position without requiring additional mechanical components, springs, or latches, thereby reducing device complexity while maintaining reliability.
3Productivity
If traditional anchor devices are designed for two-handed operation, then structural strength is maintained, but productivity decreases
Solution Approach 1:
The patent replaces two-handed mechanical operation with one-handed magnetic field interaction. The magnetic locking and unlocking can be achieved with a single hand by simply bringing the device close to or away from the shoring wall, significantly improving productivity while the magnetic field strength ensures adequate holding capacity.
Solution Approach 2:
The patent introduces dynamic control through magnetic field strength modulation. The electromagnetic system can adjust the magnetic field strength in real-time, allowing the device to maintain strong holding capacity when closed while requiring minimal force for operation, thereby achieving both strength and productivity goals.
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 device can be easily operated with one hand, reduces the risk of glove jamming, requires minimal force for movement, and features an automatic lock that maintains secure attachment, enhancing user safety during construction at heights and meeting safety standards like PN-EN795.
Implementation Method 1
The device contains a set of springs forming an automatic locking of the device which prevents uncontrolled opening of the device during use
Implementation Method 2
the tongue of the closing part in the closed position of the device forms together with the arm and the upper tab of the body a tong closure assembly
Data Source
Figure 1~2
Figure 3~5
Figure 6A~7
AI summary
Invention relates to the anchoring device for shuttering walls consisting of a body containing an arm ending with a top tab, a fastener for at least one connecting piece, a moving closing part seated in the body, pressed down to the closed position in the rest position and a locking part, characterized in that the closing part is a slider (2) with a cutout (6) on one of its lateral surfaces match with the slider lock (3) in the open position of the device, with through pockets (7) and a bottom tab (13) forming together with the arm (11) and the upper tab (12) of the body (1) a tong closure assembly; with a set of springs, of which one pushing spring (8a) is located inside the body (1) directly above the slider lock (3) and is secured from above by a grub screw (9), while three compressive springs (8b, 8c and 8d) are located inside the body (1) in the pass-through pockets (7) of the slider (2).