Torque limiting socket for twist-on wire connectors

Details Torque limiting socket for twist-on wire connectors Torque limiting socket for twist-on wire connectors

H - Electricity

01

R

H01R 4/22 (2006.01) B25B 23/14 (2006.01) B25B 23/142 (2006.01) F16B 31/02 (2006.01)

Patent

CA 2191926

Ends of several electrical wires are joined by a connector (10) which is twisted onto the wire to a predefined torque level by using a unique tool socket (32). The connector (10) has a body (12) with closed end (15) and an open end (14) for receiving the electrical wires. At least a portion of the hollow body (12) has an equilateral polygonal cross section shape formed by side surfaces (16) which meet at corner sections (38). The tool socket (32) includes a coupling (34) through which torque is applied and has an aperture (36) for receiving the connector (10). The aperture (36) has a cross sectional shape such that the tool socket (32) engages only the connector corner sections (38) and a space exists between the connector side surfaces (16) and the socket (32). That engagement concentrates torque applied by the tool socket (32) to the connector (10) which causes the corner sections (38) to round upon application of more than the predefined torque level, thus preventing excessive torque from being applied to the connector and the wires.

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