Latch assembly

Patent metadata

Field	Value
Publication number	US-12522115-B2
Application number	US-202418609587-A
Country	US
Kind code	B2
Filing date	Mar 19, 2024
Priority date	Apr 6, 2023
Publication date	Jan 13, 2026
Grant date	Jan 13, 2026

Abstract

Proposed is a latch assembly with reduced rattle noise. The latch assembly includes a latch bracket mounted on a seatback frame, and includes a latch having a rear side portion hinge-coupled to the latch bracket, having a front side portion bent downward, and having an end portion provided with a claw portion. Furthermore, the latch assembly includes a cable connected to an upper surface of the latch, a hinge bracket coupled to the rear side portion of the latch, a pressing bar horizontally positioned below the claw portion, and a link unit connecting the hinge bracket and the pressing bar to each other, the link unit being connected to the latch bracket, and the link unit being configured such that the pressing bar is moved upward when the latch is rotated downward.

First claim

What is claimed is:

1 . A latch assembly comprising: a latch bracket mounted on a seatback frame;
a latch having a rear side portion hinge-coupled to the latch bracket, having a front side portion bent downward, and having an end portion provided with a claw portion; a cable connected to an upper surface of the latch; a hinge bracket coupled to the rear side portion of the latch; a pressing bar horizontally positioned below the claw portion; and a link unit connecting the hinge bracket and the pressing bar to each other, the link unit being connected to the latch bracket, and the link unit being configured such that the pressing bar is moved upward when the latch is rotated downward.

2 . The latch assembly of claim 1 , wherein the latch bracket comprises:
a coupling portion mounted on the seatback frame; and a supporting plate portion provided vertically on a first side of the coupling portion, and the link unit comprises: a first link bar having a first end hinge-coupled to the hinge bracket; and a second link bar having a first end hinge-coupled to a second end of the first link bar, having a second end vertically coupled to the pressing bar, and having a body hinge-coupled to the supporting plate portion.

3 . The latch assembly of claim 2 , further comprising a return spring, the return spring being configured such that a first end of the return spring is coupled to the supporting plate portion and a second end of the return spring is coupled to the second link bar, and configured to apply an elastic restoring force upward to the pressing bar.

4 . The latch assembly of claim 1 , further comprising a return spring, the return spring being configured such that a first end of the return spring is coupled to the latch bracket and a second end of the return spring is coupled to the latch, and configured to apply an elastic restoring force downward to the latch.

5 . The latch assembly of claim 2 , wherein an end portion of the claw portion has a shape bent toward the coupling portion.

Assignees

• Daechang Seat Co Ltd Dongtan

Inventors

• Hwang Jin Cheol
• Lee Myung Soo

Classifications

• B60N2/366 Primary

  characterised by the locking device · CPC title

• B60N2/4249

  fixed structures, i.e. where neither the seat nor a part thereof are displaced during a crash · CPC title

• B60N2/22

  the back-rest being adjustable {(B60N2/2878 takes precedence)} · CPC title

• B60N2205/20

  Measures for elimination or compensation of play or backlash · CPC title

• B60N2/2245 Primary

  provided with a lock mechanism on the upper part of the back-rest · CPC title