Core Drill Stand With Tool-Free Clamping for Portable Detachment

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Solution Overview

Problem

Larger drills, such as core drills, require stands for mounting but existing solutions do not allow for efficient operation both on and off the stand, particularly in terms of portability and easy detachment of the battery pack.

Innovation Solution

A core drill system with a housing and attachable battery pack that can be operated on a drill stand and independently, featuring a tool-free clamping mechanism for securing the core drill and battery, allowing for easy detachment and reattachment, and a collapsible design for enhanced portability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the core drill is mounted on a drill stand, then the core drill can be operated stably, but the portability and ease of detachment are reduced

Engineering Contradiction:
Improveoperational stabilityVSAvoidportability and detachment ease
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The system is divided into separable components: the core drill, the drill stand, and the battery pack. Each component can be independently handled, attached, or detached, allowing the core drill to be mounted on the stand for stable operation when needed, and easily removed for portable use when not needed.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The mounting system transitions from a fixed, permanent attachment to a dynamic, adjustable configuration. The core drill can be quickly mounted onto or detached from the drill stand without tools, enabling the system to adapt between stable mounted operation and portable handheld operation based on operational requirements.

Inventive Principle:
Principle #15Dynamics

2Reliability

If the battery pack is permanently attached to the core drill, then the power supply is reliable, but the ease of detachment and reattachment is reduced

Engineering Contradiction:
Improvepower supply reliabilityVSAvoidbattery pack detachment ease
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The battery pack is designed as a separate, detachable component from the core drill body. This segmentation allows the battery to be reliably attached when power is needed, while also enabling easy removal and reattachment without requiring tools or complex procedures.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A quick-connect interface or mounting mechanism serves as an intermediary between the battery pack and the core drill. This intermediary component enables both reliable electrical and mechanical connection during operation, while also facilitating rapid detachment when the battery needs to be replaced or removed.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS11858113B2Drill stand
Publication Date: 2024.01.02 MILWAUKEE ELECTRIC TOOL CORP
  • US11858113B2 patent drawing
  • US11858113B2 patent drawing
  • US11858113B2 patent drawing

AI summary

A core drill includes a housing and a battery pack attachable to the housing for powering the core drill. The core drill is configured to be operated while being carried on a drill stand. The core drill is configured to be operated independently of and detached from the drill stand. The core drill is configured to be carried by an operator's hand while the core drill is not being carried on the drill stand.