Pre-tensioning body for vehicle seat belt.

摘要

The invention relates to a pre-tensioning member. BR/ Refers to a pre-tensioning member which comprises a strap pulling device comprising a pawl (32) coupled to the webbing pulling device, a support member (8) having a set of thumb teeth latching (311A, 311B) and a spring (33) which recalls the pawl in a direction which engages it with a ratchet tooth (311A, 311B). The (33) is a leaf spring having a base portion (330) attached to the pawl (32) and a tongue portion (331A, 331B) protruding from the base portion and cooperating with a ratchet tooth (311A , 311B) during the movement of the web tension member and the pawl in the loosening direction. BR/ Application to vehicle safety belts. / P