Socket comprising means for holding a bolted joint element

The tubular socket with elastic claws and a sliding ring simplifies bolted assembly operations by securing elements with one hand, reducing assembly time and loss risks.

EP4574336B1Active Publication Date: 2026-07-08SNCF VOYAGEURS
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Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Patents
Current Assignee / Owner
SNCF VOYAGEURS
Filing Date
2024-12-16
Publication Date
2026-07-08

AI Technical Summary

Technical Problem

Existing bolted assembly operations require manual intervention, leading to risks of dropping components like nuts and washers, increased execution time, and dependency on operator positioning, with existing tools being complex or requiring two-handed operation.

Method used

A tubular socket with elastic retaining claws and a sliding opening ring that allows one-handed locking and unlocking of bolted assembly elements, enabling secure retention and easy insertion/removal of nuts and washers, independent of operator positioning.

Benefits of technology

Facilitates faster and more reliable assembly by securing bolted elements with one hand, reducing the risk of loss and simplifying the assembly process.

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Abstract

The invention relates to a socket (1) of a bolted assembly element, said socket comprising a substantially tubular body (10), said body further having at least one internal bore (12), said bore being configured to receive at least one bolted assembly element conformed thereto, said socket being characterized in that it further comprises a means for mechanically holding said assembly element in the internal bore of the body of said socket, said mechanical holding means comprising at least two elastic holding claws (30) comprising a portion, called a stop portion (31), and being movable between a first position, called the unlocking position, in which said bolted assembly element can be housed or extracted from said internal bore by spreading said claws (30), and a second position, called the locking position,wherein said stop portion of said claws extends above said bore (12) so as to block the spontaneous movement of said assembly element.,
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