Motorised Cutting Tool Guard Cover for Maintenance Access
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing portable motorized cutting tools face difficulties in maintenance and repair due to the need for removing protective casings, which can be cumbersome and risk losing parts, especially when performing operations like cleaning, lubrication, or replacing cutting elements, and accessing internal components like sensors or connectors.
Innovation Solution
A portable motorized cutting tool design featuring a cover that can pivot from a closed to an open position, allowing for quick removal without tools, with a lock mechanism integrated with the guard to prevent loss and facilitate easy access for maintenance, including a safety device to prevent accidental activation when the cover is open.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a protective casing is provided to surround the cutting member and transmission, then user safety is improved, but access to internal components for maintenance becomes difficult
Solution Approach 1:
The protective casing is divided into a fixed part and a movable cover part. The cover can be opened independently to provide access to internal components such as the cutting member and transmission, while the fixed part remains in place to maintain overall protection and safety during operation.
2Ease of operation
If the casing is removed completely to access internal components, then maintenance operations become easy, but the risk of losing parts and reassembly difficulty increases
Solution Approach 1:
The casing is segmented into a removable cover and a fixed base structure. This allows maintenance personnel to access internal components by opening only the cover portion, while the fixed base remains attached to the tool body, eliminating the need to completely disassemble the casing and reducing the risk of losing parts.
Solution Approach 2:
The cover is extracted as a separate, independently movable component from the fixed casing structure. This extraction allows the cover to be opened for maintenance while the fixed portion remains in place, simplifying the maintenance process and reducing reassembly complexity.
3Reliability
If a fixed sealed casing is used, then protection against dirt and debris is improved, but cleaning and maintenance operations become difficult
Solution Approach 1:
The sealed casing is segmented into a fixed protective base and a movable cover. The fixed base maintains the sealed protection against dirt and debris during operation, while the movable cover can be opened to allow cleaning operations on internal components without compromising the overall protective structure.
Data Source
Figure 1~2
Figure 3
AI summary
A portable motorised cutting tool comprising a motor housed in a tool body (10), a cutting member (20), a transmission linking the motor to the cutting member, and at least one guard (30) for protecting the hand of the user, providing a passage for the hand around at least one of a control member (16) of the tool, and a gripping handle (14) of the tool, characterised in that the tool comprises a cover (36), the cover being capable of occupying a so-called "closed" position against the body of the tool (10), and a so-called "open" position separated from the body of the tool and giving access to a part (50) of the tool protected by the cover in the closed position, the cover being linked to the body of the tool (10) by means of the guard (30).