Binding machine

The binding machine stabilizes spiral staple formation with a clincher portion having a guide surface narrower than the staple, addressing instability issues and simplifying staple removal in binding operations.

WO2026116188A1PCT designated stage Publication Date: 2026-06-04MAX CO LTD
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
MAX CO LTD
Filing Date
2025-11-19
Publication Date
2026-06-04

AI Technical Summary

Technical Problem

Existing binding machines face instability in forming a spiral shape with staples due to deviations in the advancing directions of the spiral orbits, leading to complex mechanisms for staple removal and potential instability in binding operations.

Method used

A binding machine with a driver that moves in two directions, featuring a clincher portion with a guide portion on the inner circumferential surface that promotes staple deformation into a spiral shape, where the guide portion's width is smaller than the staple's height, allowing for stable spiral formation and easy vertical movement of the staple.

Benefits of technology

The solution enables stable spiral formation of staples with a simpler configuration, facilitating easy removal and subsequent binding operations without the need for additional mechanical interventions.

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Abstract

Provided is a binding machine capable of more stably forming a spiral shape through use of a relatively simple structure.　This binding machine comprises: a driver that is configured to be capable of moving in a first direction and a second direction opposite from the first direction; and a clincher part that deforms a leg part of a staple, which moves in the first direction due to being pressed by the driver moving in the first direction, into a spiral shape by causing the leg part to abut on an inner peripheral surface. The clincher part has a guide part that is provided on the inner peripheral surface and promotes deformation of the leg part. The width of the guide part is less than the height of the staple.
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