Quick-acting coupling for a clamp

The quick-release fastener with a spring-loaded tensioning lever and strap loops addresses the challenge of tool-dependent clamp assembly, enabling easy, secure, and cost-effective connections in compact spaces.

WO2026145934A1PCT designated stage Publication Date: 2026-07-09NORMA GERMANY GMBH

Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
NORMA GERMANY GMBH
Filing Date
2025-12-10
Publication Date
2026-07-09

AI Technical Summary

Technical Problem

Conventional clamps for securing fluid connections in compact spaces require specialized tools for assembly and lack a tool-free mechanism that allows for easy installation and adjustment, especially in confined areas.

Method used

A quick-release fastener with a combination of two strap loops and a tensioning lever, utilizing a spring-loaded mechanism for tool-free adjustment, allowing for easy assembly and disassembly without tools, and featuring a tensioning screw that connects the loops, enabling secure clamping without additional tools.

Benefits of technology

Facilitates easy, tool-free assembly and disassembly of clamps in confined spaces, reducing manufacturing costs and minimizing friction with moving parts, while ensuring secure connections.

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Abstract

The invention relates to a quick-acting coupling (1) for a clamp having a longitudinal center axis LS, which comprises a first band loop (3); a second band loop (2) spaced from the first band loop, wherein each band loop (2, 3) has a separate loop axis AS parallel to the longitudinal center axis LS; a clamp band (4) extending from a band loop (2, 3) in a circumferential direction; a tightening lever (5) and a tightening screw (6), wherein the tightening lever (5) is mounted on the first band loop (3) for rotation about the loop axis AS and can be rotated between an untightened lever position and a tightened lever position, and wherein the tightening screw 6 connects the two band loops (2, 3) to one another directly or indirectly.
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