Storage battery

JP2025091616APending Publication Date: 2025-06-19GS YUASA CORP
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Patent Information

Application Number
JP2023206962
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-12-07
Publication Date
2025-06-19

AI Technical Summary

Technical Problem

In the manufacturing process of storage batteries, water accumulates in the groove of the lid's engaging portion when washing away electrolyte residue, leading to potential issues with battery functionality and durability.

Method used

The battery design includes a lid portion with a flat plate, projecting portion, and locking walls, along with a handle featuring a gripping portion and arm portions. The handle's shaft is accommodated in recesses of the lid, and the retaining portion fits into an accommodation space, preventing the handle from detaching and minimizing water accumulation.

Benefits of technology

This configuration effectively prevents the handle from coming off the lid and reduces water accumulation in the lid portion, enhancing the battery's reliability and ease of maintenance.

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  • Figure 2025091616000001_ABST
    Figure 2025091616000001_ABST
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Abstract

To provide a storage battery in which a handle is unlikely to come off from a lid and water is unlikely to accumulate in a lid portion.SOLUTION: A cover portion 20 includes a flat portion 21 adjacent to the opening and extending in a direction perpendicular to the opening direction of the opening, a protruding portion 23 protruding upward from the flat portion 21, and a pair of locking walls 26 extending upward from the flat portion 21, the protruding portion 23 includes a pair of side surfaces 24 and a recess 25, the pair of locking walls 26 faces the pair of side surfaces 24, respectively, and a storage space 27 is formed between the side surfaces 24 and the locking walls 26, the handle 30 includes a gripping portion 31 and a pair of arms 32 extending from both ends thereof, each of the pair of arms 32 includes a first surface arranged at an end opposite the gripping portion 31 and facing the side surfaces 24, an axis portion 35 protruding in the axial direction from the first surface and received in the recess 25, and a removal prevention portion 36 extending from the end opposite the gripping portion 31 in a direction perpendicular to the axial direction, and when the gripping portion 31 is raised, the removal prevention portion 36 is arranged in the storage space 27.SELECTED DRAWING: Figure 4
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Citation Information

Patent Citations

  • Lead storage battery

    JP2003162988A