Fastener Load System Continuous Strip Feeding
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Solution Overview
Problem
Conventional fastener driving tools experience significant downtime due to frequent reloading of multiple fastener strips, which disrupts high-volume production in manufacturing and assembly processes.
Innovation Solution
A system where multiple fastener strips are secured with pressure-sensitive adhesive tape to form a coil, with a powered roller creating a biasing force to draw the strips into the tool magazine, reducing the need for frequent reloading by maintaining a continuous supply.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple fastener strips are loaded into the magazine, then the productivity is improved by reducing reload frequency, but the device complexity increases due to the need for additional loading mechanisms
Solution Approach 1:
Fastener strips are pre-connected together using pressure-sensitive adhesive tape to form continuous chains before being loaded into the magazine. This preliminary connection action eliminates the need for complex automated loading mechanisms, as the pre-assembled strips can be simply fed into the magazine and remain connected throughout operation.
Solution Approach 2:
Pressure-sensitive adhesive tape serves as an intermediary element that connects multiple fastener strips together. The tape acts as a simple mechanical mediator that links individual strips into continuous chains, enabling multi-strip operation without requiring complex loading or positioning mechanisms.
2Duration of action of moving object
If fastener strips are connected with adhesive tape to form continuous chains, then the duration of action is improved by extending operational cycles, but the manufacturing precision requirements increase for proper strip alignment and connection
Solution Approach 1:
The connection method transitions from mechanical fastening or precision alignment systems to pressure-sensitive adhesive bonding. This parameter change in the connection mechanism allows for tolerant alignment during application, as the adhesive compensates for minor positioning variations and maintains secure connections without requiring high-precision alignment.
Solution Approach 2:
Pressure-sensitive adhesive tape, as a thin flexible film, is used to connect fastener strips. The flexibility of the tape allows it to conform to slight variations in strip positioning and maintains effective connection without requiring rigid precision alignment, thereby reducing manufacturing precision requirements.
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
This solution extends the operational cycle between reloads, minimizing downtime and facilitating more efficient production by ensuring a consistent flow of fasteners into the tool magazine.
Implementation Method 1
each strip is secured to an adjacent strip by a preferably continuous length of pressure sensitive adhesive tape
Implementation Method 2
The free end is attached to a powered roller located on the tool, which winds up the tape to create a biasing force, drawing the fastener strips successively into the tool magazine
Data Source
AI summary
A fastener driver tool fastener load system includes a fastener driving tool having a housing including a magazine with a fastener entry end, an opposite shear block end, and a fastener track defined between the ends. A tensioner is mounted to the housing and includes a driven roller. A plurality of fastener strips is disposed linearly in end-to-end fashion and each strip is secured to each other by at least one fastening tape having a free end connected to the driven roller. The tensioner is constructed and arranged for creating a biasing force for urging the fastener strips toward the shear block end.