ROTARY DAMPER

DE602021055705T2Active Publication Date: 2026-06-10SOMIC MANAGEMENT HLDG INC
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Patent Information

Application Number
DE602021055705
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Filing Date
2021-06-14
Publication Date
2026-06-10
Estimated Expiration
2041-06-14

AI Technical Summary

Technical Problem

Conventional rotary dampers face issues due to recesses formed on the partition wall and shaft part due to external shrinkage, leading to gaps that affect oil supply and braking force, and the production method results in similar issues with mold shrinkage.

Method used

The rotary damper features a cylinder and shaft part with tapered shapes to prevent recesses and gaps, using a mold with a tapered part to inject molten metal and prevent shrinkage, ensuring sufficient oil supply and consistent braking force.

Benefits of technology

The solution effectively prevents gaps and ensures consistent operation time and braking force by maintaining oil flow, reducing resistance and improving damper characteristics.

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