Hybrid safety button for violin and viola with active expansion anchor
HRUM20260019U2Undetermined Publication Date: 2026-06-19ROSENTHAL KARLO
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Patent Information
- Application Number
- HRUM20260019
- Authority / Receiving Office
- HR · HR
- Patent Type
- Utility models
- Current Assignee / Owner
- Filing Date
- 2026-03-25
- Publication Date
- 2026-06-19
- Estimated Expiration
- 2036-03-25
Abstract
The invention refers to a hybrid safety end button for violin and viola. The construction combines a rigid neck (2 / 3 length) for string stability and an elastomeric expansion tip for anchoring. The use of a solid core screw ensures superior acoustic stability and prevents the end button from falling out, thus directly protecting the instrument from soundpost fall and bridge collapse.
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