Adjustable Straight and T-Shaped Power Tool Handle
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Solution Overview
Problem
Conventional power tool handles often lead to user discomfort and fatigue due to the triangular hand position, causing the tool bit to bend or twist, and result in damage to tool components due to non-parallel force application.
Innovation Solution
A handle that can be configured in either a straight or T-shaped position, allowing users to control rotational and longitudinal forces more effectively by adjusting the hand position relative to the tool body, with a band, fastener, and base design that secures the handle to the power tool.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the handle is positioned in a conventional triangular configuration, then the structure is simple and compact, but the force application direction is not parallel to the tool body causing bits or components to bend, twist and break
Solution Approach 1:
The handle configuration is made adjustable between straight and T-shaped positions, allowing the user to dynamically select the straight configuration when force application parallel to the tool body is required. This maintains simple structure while enabling reliable force application by letting the user choose the appropriate configuration for the operational context.
Solution Approach 2:
The handle base is designed to perform multiple functions: it can be positioned in straight configuration for force application parallel to the tool body (preventing component damage) or in T-shaped configuration for rotational control. This multi-functionality resolves the contradiction by enabling both structural simplicity and component durability through a single versatile handle design.
Data Source
AI summary
A handle for controlling a power tool by configuring the handle in either a straight or T-shaped position. In the straight position, the handle design serves as a rotational safety control that allows a user to control the rotational reaction of the tool by placing the user's hand in a position that is perpendicular to the main body of the tool. In the T-shaped configuration, the user can apply rotational force and longitudinal force more easily because the hand position is tangent to the tool base. A fastener couples a base of the handle to a band that grips the power tool and facilitates the user control.