Wire Form Power Tool Suspension Attachment
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Solution Overview
Problem
Existing electric power tool suspending attachments fail to prevent tools from dropping when the connecting member loosens or breaks, leading to potential accidents.
Innovation Solution
An electric power tool suspending attachment with a ring-shaped distal end portion, lower and upper retaining portions, a hook portion, and a connecting member that secures the housing to prevent radial displacement, along with a socket coupling feature to maintain the socket's position, all formed from a single wire element to enhance mechanical strength.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a connecting member is used to attach the suspending attachment to the housing, then the attachment can be easily connected and disconnected, but the connection reliability deteriorates when the connecting member loosens or breaks
Solution Approach 1:
The patent designs retaining portions that extend along the housing surface to create physical barriers preventing the housing from coming off. These retaining portions act as a safety mechanism that is already in place before any failure occurs, cushioning against the potential harm of tool dropout when the connecting member fails.
2Ease of manufacture
If multiple separate components are used in the suspending attachment, then the structure is more flexible and easier to manufacture, but the mechanical strength deteriorates due to additional connecting portions
Solution Approach 1:
The patent merges the retaining portions and hook portion into a single integrated component formed from one wire element. This eliminates the need for additional connecting portions between separate parts, thereby removing potential weak points and enhancing the overall mechanical strength of the suspending attachment while maintaining manufacturing feasibility through wire forming processes.
Data Source
AI summary
A suspending attachment attached to a cylindrical housing of an electric power tool whose output shaft protrudes from a housing distal end includes a ring-shaped distal end portion fitted to the housing distal end, lower retaining portions of which front ends are connected to the distal end portion and extending rearward along a housing lower-half outer surface with a space through which the housing does not radially come off, one upper retaining portion of which a front end is connected to the distal end portion and extending rearward along a housing upper-half outer surface with a space from each lower retaining portion, through which the housing does not come off, a hook portion extending from at least one of rear ends of the lower and upper retaining portions rearward of the housing, and a connecting member coupling the lower and upper retaining portions over a housing rear surface.