Keyboard Hammer Unit Assembly via Integrated Connecting Section
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Solution Overview
Problem
Existing keyboard devices face challenges in efficiently assembling and mounting hammer units due to the complexity of connecting multiple hammer arms, which affects productivity and workability.
Innovation Solution
A hammer unit design featuring a hammer connecting section that spans the array of keys, with mounting sections positioned between hammer arms to simplify the assembly process, using synthetic resin components and a band plate shape to connect and support hammer arms, and employing engagement hooks and locking sections for secure mounting on the keyboard chassis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If multiple hammer arms are connected individually to the keyboard chassis, then each hammer arm can be independently supported, but the assembly process becomes complex and time-consuming
Solution Approach 1:
The patent combines multiple hammer arms with the keyboard chassis into a single integrated unit. The hammer arms are connected to the keyboard chassis through a connecting section that allows multiple hammer arms to be supported simultaneously, reducing the number of separate connection operations required and simplifying the overall assembly process.
Solution Approach 2:
The connecting section is designed with predetermined connection positions and structures that allow hammer arms to be connected to the keyboard chassis in advance before final assembly. This preliminary connection arrangement reduces the complexity of the final assembly operation by pre-organizing the connection geometry and attachment points.
2Productivity
If multiple hammer arms are connected individually to the keyboard chassis, then each connection can be precisely positioned, but the number of components and assembly steps increases
Solution Approach 1:
The patent merges multiple hammer arm connections into a single integrated connecting section. This connecting section simultaneously supports multiple hammer arms and connects them to the keyboard chassis, reducing the total number of separate components and attachment operations required, thereby improving assembly productivity.
Solution Approach 2:
The connecting section serves multiple functions: it connects multiple hammer arms to the keyboard chassis, provides structural support for the hammer arms, and maintains precise positioning for all connected hammer arms simultaneously. This multi-functionality reduces the number of separate components needed while maintaining assembly precision.
Data Source
AI summary
A hammer unit for use in a keyboard device or the like includes a plurality of hammer arms which are respectively operated in response to key depression operations on a plurality of keys, and a hammer connecting section which has a length corresponding to array of the plurality of keys, is connected to the plurality of hammer arms to support the plurality of hammer arms in an arrayed state, and has mounting sections which are provided in a direction of the array in areas where the hammer arms are not connected, and by which the hammer connecting section is mounted to a keyboard chassis. As a result, the assembling workability is improved.