Self-aligning and self-locking fastener

By designing a combination of a spindle nut and a locking tab, and using a motor to drive the spindle to rotate and lock it to the seat base, the problem of difficult installation of traditional seat components is solved, and a simplified assembly process is achieved.

CN122402331APending Publication Date: 2026-07-17GM GLOBAL TECHNOLOGY OPERATIONS LLC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Filing Date
2025-03-12
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In the traditional vehicle seat assembly process, fixing the spindle and nut is difficult and time-consuming, resulting in inconvenient assembly.

Method used

The design employs a spindle nut, comprising a nut body, snap-fit ​​fingers, and locking tabs. The spindle is driven to rotate by a motor, and the locking tabs engage with the clamps on the seat base plate to achieve axial and rotational locking of the spindle nut, simplifying the installation process.

Benefits of technology

It improves the assembly efficiency of vehicle seat components, simplifies the fixing process of mandrels and nuts, and reduces installation difficulty and time.

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Abstract

本申请大体上涉及一种自对准和自锁定紧固件。一种车辆的座椅组件包括座椅底座和致动器，座椅底座包括座椅底板和延伸器托架，致动器可操作地将延伸器托架连接到座椅底板。所述致动器被构造成促使所述延伸器托架相对于所述座椅底板移动。所述致动器包括从所述延伸器托架朝向所述座椅底板延伸的旋转心轴以及螺纹连接到所述旋转心轴上的心轴螺母。心轴螺母被配置成用于轴向和旋转地保持在座椅底板的座椅底板开口中。心轴的旋转促使延伸器托架相对于座椅底板移动。
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