Cylindrical vibration control device

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AI technical title is built by Patsnap AI team. It summarizes the technical point description of the patent document.
By using auxiliary rubber in the circumferential gap regions of cylindrical vibration-proof devices, the issue of partial deformation during press-fitting is addressed, ensuring stable assembly and effective vibration-proofing.

JP2025037410APending Publication Date: 2025-03-18SUMITOMO RIKO CO LTD

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Patent Information

Application Number: JP2023144327
Authority / Receiving Office: JP · JP
Patent Type: Applications
Current Assignee / Owner
Filing Date: 2023-09-06
Publication Date: 2025-03-18

Application Information

Patent Timeline

06 Sep 2023

Application

JP2023144327

18 Mar 2025

Publication

JP2025037410A

IPC: F16F1/387; F16F15/08

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Application Domain

Springs Non-rotating vibration suppression

Technology Topics

Vibration control Mechanical engineering

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AI Technical Summary

Technical Problem

Cylindrical vibration-proof devices face issues with partial deformation of the outer flange-like portion during press-fitting due to uneven pressure distribution caused by partially provided stopper rubber in the circumferential direction.

Method used

Incorporating auxiliary rubber with a smaller axial protrusion height than the stopper rubber in the circumferential gap regions of the outer flange-shaped portion to distribute pressure more evenly and prevent local deformation.

Benefits of technology

The auxiliary rubber ensures stable press-fitting of the outer cylinder member into the mounting hole while preventing deformation of the outer flange-shaped portion, maintaining effective vibration-proofing and stopper functions.

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Abstract

To provide a cylindrical vibration control device with a novel structure, capable of press-fitting and mounting an outer cylindrical member into a mounting hole stably while preventing local deformation in an outer flange-shaped part even when a stopper rubber is partially provided in a circumferential direction of the outer flange-shaped part.SOLUTION: In a cylindrical vibration control device 10 in which a stopper rubber 30 is partially provided in a circumferential direction on an outer flange-shaped part 20 of an outer cylindrical member 14, an auxiliary rubber 34 for assembly is provided in a circumferential gap region 32 where the stopper rubber 30 is not provided, with an axial protrusion height smaller than that of the stopper rubber 30.SELECTED DRAWING: Figure 1

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