Drill Press Chisel Holder for Precise Angled Depth Cuts
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Solution Overview
Problem
Conventional chisels require significant skill and expertise for accurate angled cuts, are difficult to handle safely, and lack precision in material removal depth control.
Innovation Solution
A chisel system comprising a chisel bit holder, chisel blades, and a coupling mechanism that secures the chisel bit to a drill press, allowing for precise angle control and safe operation using a drill press.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If hand chisels are used for angled cuts, then user skill and expertise are required, but the operation becomes difficult and unsafe
Solution Approach 1:
The patent introduces a drill press as an intermediary device between the user and the chisel. The drill press provides the cutting action through its motor-driven spindle, eliminating the need for the user to manually swing or strike the chisel. This intermediary mechanism delivers precise angled cuts through the drill press's inherent accuracy while the user simply guides the workpiece, dramatically reducing operation difficulty and safety risks.
Solution Approach 2:
The patent replaces the manual mechanical system of hand chiseling (where the user provides all cutting force through muscle power and technique) with a motorized mechanical system. The drill press motor provides the cutting force, and the chisel bit is rotated and fed into the workpiece automatically, substituting human physical effort and skill with automated mechanical action.
2Measurement precision
If conventional chisels are used without skill, then complicated jigs or workpiece holding systems are needed, but device complexity increases
Solution Approach 1:
The patent makes the drill press universal by enabling it to perform both drilling and chiseling functions. The same drill press machine can accommodate different bits (drill bits, router bits, and chisel bits) through its standard chuck interface. This multi-functionality eliminates the need for separate specialized jigs or holding systems, as the drill press itself provides the precision and versatility needed for various cutting operations.
3Manufacturing precision
If hand chisels are used for depth control, then material removal depth is difficult to control, but precision is reduced
Solution Approach 1:
The patent incorporates feedback mechanisms inherent in the drill press system. The drill press has a fixed spindle travel distance that can be precisely controlled and measured. The user can set the depth of cut by controlling how far the spindle descends, and the motorized operation provides consistent, repeatable depth control. This feedback loop between the user's depth setting and the actual material removal eliminates the guesswork and inconsistency of manual chiseling.
Data Source
AI summary
Embodiments of the innovation relate to a chisel system, comprising: a chisel bit having a cutting end and a support end, the support end opposing the cutting end; a chisel bit holder having a first end defining an opening configured to receive the support end of the chisel bit and a second end configured to be secured to a drill press; and a coupling mechanism configured to secure the chisel bit to the chisel bit holder.