Hidden Fastener Installation Tool with Linkage Advancement Mechanism
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Solution Overview
Problem
Conventional fastener installation methods for outdoor structures like decks are inefficient, causing structural integrity issues, aesthetic problems, and safety hazards due to the use of visible nails or screws, and hidden fasteners require a multi-step process and additional equipment, often needing a second person for installation.
Innovation Solution
A fastener installation tool with a housing containing an advancement mechanism and a driving member that allows for the installation of hidden fasteners from a standing position, using a wheel, carriage, and linkage member to advance connector clips, and a pedal assembly for easy operation, enabling single-user installation without additional tools or personnel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional nails or screws are used to fasten boards, then the fastening function is achieved, but the structural integrity is compromised due to rusting and board degradation
Solution Approach 1:
The invention extracts the visible fastener (nail or screw) from the board surface and relocates it to the gap between adjacent boards. The fastener is driven through the edge of one board and into the gap, where it is concealed by the adjacent board. This extraction eliminates the harmful visual and structural effects of surface-mounted fasteners while maintaining fastening durability.
2Shape
If hidden fasteners are used to improve appearance, then aesthetic appearance is improved, but installation complexity increases requiring multi-step process and additional equipment
Solution Approach 1:
The invention merges the alignment and fastening operations into a single integrated action. The tool simultaneously aligns the board edge with the gap and drives the fastener through the board edge and into the gap in one motion. This combines multiple previously separate steps (alignment, positioning, fastening) into a single operation, eliminating the need for additional equipment like clamps or guides.
3Reliability
If hidden fasteners are installed using traditional methods, then the fastening is achieved, but installation time increases due to multi-step process
Solution Approach 1:
The tool incorporates a pre-configured fastener holding mechanism that automatically positions and holds the fastener in readiness before the driving action. The fastener is pre-loaded into the tool's magazine or holder, and the tool's geometry is pre-designed to automatically align with the board gap. This preliminary preparation eliminates the need for manual fastener insertion and alignment steps during installation, significantly increasing installation speed.
4Reliability
If conventional fastening tools are used, then fastening is achieved, but safety risks increase due to close proximity operation and repetitive motion injury
Solution Approach 1:
The invention introduces a specialized installation tool as an intermediary between the operator and the fastening operation. The tool serves as a mediator that performs the dangerous close-proximity actions (holding, aligning, and driving the fastener) while the operator remains at a safer distance. The tool's design allows the operator to apply force from behind, avoiding direct exposure to the fastener tip and reducing repetitive motion strain on the operator's hands and arms.
Data Source
AI summary
In an exemplary embodiment, a fastener installation tool for installing hidden fasteners to a distal workpiece is provided. The fastener installation tool may include a housing containing an advancement mechanism for moving a plurality of hidden fasteners and a driving member that is engageable with a foremost fastener of the plurality of hidden fasteners to fasten the foremost hidden fastener to a structural member. The advancement mechanism may include at least a wheel, a carriage, and a linkage member. The linkage member may be connected to the driving member and the carriage such that when the driving member moves towards the foremost hidden fastener, the carriage rotates in a first direction, and when the driving member moves away from the foremost hidden fastener, the carriage rotates in a second direction, opposite the first direction, and further causes the wheel to rotate and move a subsequent hidden fastener into position for fastening.