Nut locking and male threaded element screwing device for motor vehicle, has transversal base with less resistance zone that is conformed such that resistance zone is broken to let hole subsists in base for passage of threaded element

摘要

The device (20) has a transversal base (22) forming a support side for an end of a threaded element that is engaged in a nut. A skirt (24) has shape complementary to lateral surface of the nut and to an inner surface of a screwing tool. Retention units (26) permit transmission of thrust force on the device to the nut. The base has a less resistance zone (28) that is conformed such that the zone is broken under the action of preset intensity force exerted by the element. Rupture of the zone let a hole subsists in the base for permitting passage of the element.