Rotary Tool Axial Adjustment Mechanism for Variable Insertion Depth
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Solution Overview
Problem
Existing rotary tools lack the ability to accommodate a variety of tool accessory insertion depths, limiting their versatility and functionality.
Innovation Solution
A rotary tool assembly with an axial adjustment mechanism that allows for adjustable insertion depths through a detent shaft, ball detents, and a collar system to lock or unlock the shaft's position, enabling multiple insertion options.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed insertion depth is used in the chuck, then the structure is simple, but the adaptability to different tasks is limited
Solution Approach 1:
The adjustment shaft is made movable along the axis between multiple discrete positions, each corresponding to a different insertion depth. This dynamic positioning capability allows the chuck to adapt to various tool accessory lengths and task requirements, transforming a static structure into an adjustable one that provides versatility without excessive complexity.
Solution Approach 2:
The adjustment shaft is divided into multiple discrete positions along its length, with each position providing a specific insertion depth. This segmentation allows the system to offer multiple fixed depth options rather than continuous adjustment, simplifying the locking mechanism while maintaining adaptability for different task requirements.
2Adaptability or versatility
If an axial adjustment mechanism is added to enable variable insertion depths, then the versatility is enhanced, but the device complexity increases
Solution Approach 1:
The adjustment shaft transitions from a fixed position to a movable one, enabling dynamic adjustment of insertion depth. This single movable component provides multiple discrete positions that enhance versatility while keeping the overall mechanism relatively simple through the use of detent features for positioning.
Solution Approach 2:
The adjustment shaft is positioned within the chuck body, with the floor of the chuck defined by the axial end of the adjustment shaft. This nested arrangement allows the adjustment mechanism to be integrated within the existing chuck structure, adding functionality without significantly increasing external complexity.
Data Source
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AI summary
A rotary tool including a tool body defining an axis extending between a rear end and an opposite working end, a motor configured to receive power from a power source, a drive shaft coupled to the motor with the motor, a chuck coupled to the drive shaft, and an axial adjustment mechanism. The axial adjustment mechanism includes an adjustment shaft having an axial end defining a floor of the chuck, where the floor limits an insertion depth within the chuck, and where the adjustment shaft is movable in a direction parallel to the axis between a first position defining a first insertion depth and a second position defining a second insertion depth.