Cylindrical Fastener Driver for Concrete and Channel Access
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Solution Overview
Problem
Existing fastener driving tools face challenges when working in confined spaces, such as channels, due to magazine interference and the need for powerful driving strokes to penetrate hard substrates like concrete.
Innovation Solution
A fastener driving tool with an elongated cylindrical driver featuring wings with spaced-apart protrusions and rollers, and a magazine with a cutout portion, allowing for smoother operation and access to tight spaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If a magazine is included in the fastener driving tool, then fasteners can be stored and supplied automatically, but the magazine interferes with access to confined work spaces such as channels
Solution Approach 1:
The magazine is extracted or removed from the tool body, allowing the driver to access confined spaces without the magazine interfering. The driver can be used independently without requiring the magazine to be attached, thus solving the space access problem while maintaining automatic fastener supply capability when the magazine is needed.
2Device complexity
If a planar driver shape is used, then the driver structure is simple, but the driver cannot withstand powerful driving strokes required for hard substrates like concrete
Solution Approach 1:
The driver transitions from a planar shape to a cylindrical shape. The cylindrical geometry provides superior structural strength and durability for withstanding powerful driving strokes into hard substrates like concrete, while maintaining relative structural simplicity through the use of a single curved form rather than complex multi-component construction.
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
Enables efficient driving of fasteners into hard substrates and confined areas without tool manipulation, enhancing operational flexibility and durability.
Implementation Method 1
The roller on each driver protrusion allows for a smoother return stroke when a lifter is actuated
Implementation Method 2
the solid cylindrical portion is used to drive a fastener into a very hard substrate
Data Source
AI summary
A fastener driving tool has a movable elongated cylindrical portion of a driver that sequentially drives fasteners into a substrate. The elongated cylindrical portion of the driver is designed to drive a fastener into a harder substrate, such as concrete. The elongated cylindrical portion of the driver design is able to handle the force of driving into these harder substrates, compared to prior non-cylindrical driver designs. The fastener driving tool also has a magazine with a cutout portion along the magazine's outer housing between a user grip portion and an upper portion of the magazine. This cutout portion allows the tool to be used in a location with limited access, such as a channel.