Patent ID: 8375531
Filing Date: 2013-02-19
Classification: A44B,Y10T

Abstract:
1. A seatbelt buckle with a shockproof device comprising: a release button to release a lock mechanism; an ejector to eject a tongue plate out of the buckle using elasticity of an ejector spring coupled thereto; a lock pin used to operate the release button and configured to he brought into contact with an inertia lever; a lock spring to press and return the release button to an initial position; a lock plate having a latch to restrict unexpected ejection of the tongue plate; the inertia lever to prevent, movement of the release button and the lock pin under an influence of inertial force; a torsion spring to support operation of the inertia lever; and a base in which the inertia lever and the torsion spring are received, the base being coupled with the release button, wherein the inertia lever includes: pivoting holes, into which pivoting shafts of the base are fitted, upon movement of inertia lever in a release direction; and rotation restrictors to prevent the inertia lever from being rotated in a non-release direction, the rotation restrictors being disposed on seating portions of the base, wherein the torsion spring includes: a rod to he brought into contact with and he caught by holding recesses of the inertia lever; coils supported on first supporters of the base; and holding portions supported on second supporters of the base, and wherein the first supporters of the base used to support the coils are integrally formed with the base by embossing.