Adjustable Auxiliary Handle for Power Tools
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Portable power tools used in high-torque applications often require auxiliary handles for stability and safety, but these can be uncomfortable or impractical for use and storage due to their fixed positions.
Innovation Solution
An adjustable auxiliary handle assembly with an indexing mechanism, including an angled connector, slidable latching mechanism, and handle base, allowing the longitudinal handle to rotate and lock in various positions for comfort and convenience, and a secondary switch for ensuring the operator holds the tool with both hands during operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an auxiliary handle is added to high-torque power tools for stability and safety, then operator stability and safety are improved, but the tool becomes more cumbersome and difficult to store when not in use
Solution Approach 1:
The auxiliary handle is designed with rotational capability around a pivot point, allowing it to change position dynamically. During operation, the handle extends outward to provide stability; during storage, it rotates to a compact position along the tool body, eliminating the storage inconvenience while maintaining operational stability.
Solution Approach 2:
The auxiliary handle transitions from a fixed linear extension to a multi-position rotational structure. By adding the rotational dimension, the handle can occupy different spatial configurations - extended for stability during use, and retracted along the tool axis for compact storage, effectively resolving the contradiction between stability and storability.
2Ease of operation
If an auxiliary handle is positioned to facilitate tool use, then operator comfort and control are improved, but the handle may be uncomfortable or impractical for carrying and storage
Solution Approach 1:
The handle's rotational mechanism allows it to adapt its position dynamically. During operation, it maintains the optimal extended position for operator comfort and control. During carrying and storage, it rotates to a compact configuration that does not interfere with portability, thus achieving both comfort and adaptability.
Solution Approach 2:
The auxiliary handle serves multiple functions through its rotational capability: it provides ergonomic support and control stability during operation, and transforms into a space-efficient configuration for carrying and storage. This multi-functionality resolves the contradiction between operational comfort and carrying convenience.
3Stability of the object's composition
If a fixed auxiliary handle is used for high-torque applications, then tool stability is improved, but the handle cannot be adjusted for different operational positions or user preferences
Solution Approach 1:
The auxiliary handle incorporates a rotational joint that allows it to pivot between multiple positions while maintaining stable engagement with the tool body. This dynamic capability enables the handle to provide stable support in various orientations, accommodating different operational requirements and user preferences while preserving tool stability.
Solution Approach 2:
By introducing rotational freedom around a pivot point, the handle transitions from a fixed single-position structure to a multi-position structure. This adds orientational versatility without compromising stability, as the handle can achieve stable equilibrium in multiple angular positions suitable for different applications.
Data Source
AI summary
A power tool comprises an adjustable auxiliary handle assembly that facilities safe use of the tool by the operator while allowing convenient carry and storage of the tool when not in use. The adjustable auxiliary handle assembly comprises an indexing mechanism that includes an angled connector, a slidable latching mechanism and a handle base. The indexing mechanism allows a longitudinal handle to rotate and be locked in a position convenient and comfortable to the operator. The indexing mechanism is adjustable and can be operated with one hand (e.g., one-handed operation). The latching mechanism holds the auxiliary handle position in place while allowing the power tool to be used in high-torque/high load applications.