IP Library Granted Patent US 8,757,680
Granted Patent B2
US 8,757,680 · App. 13/039,575 · Granted Jun 24, 2014

Door lock assembly

Inventor: Yong Soo Byun (Suwon-si, KR)
Assignee: Leehan Door Corporation
E05B81/14E05B81/12E05B81/00
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Quick Facts
Patent No.
US 8,757,680
App. No.
13/039,575
Granted
Jun 24, 2014
Kind
B2
Abstract

A door lock assembly is provided. The door lock assembly includes a lock lever connected to a knob, an inter-lever connected to the lock lever, a first lock device connected to the inter-lever and reciprocating the inter-lever, and a second lock device disposed on one side of the first lock device and locking the inter-lever.

Claims (16)

1. A door lock assembly, comprising:

an actuator disposed inside a housing;

a wheel gear connected to the actuator;

an inter-lever reciprocating according to the rotation of the wheel gear;

a link lever having one side connected to the inter-lever and operating in conjunction with the inter-lever;

a lock lever connected to a knob disposed inside a vehicle;

a catchpole disposed inside the housing, wherein the catchpole has an elongated hole formed therein; and

a release lever rotating the catchpole in conjunction with the catchpole according to the movement of the link lever,

wherein the link lever includes a catchpole operation unit formed to protrude toward the catchpole such that the catchpole operation unit is inserted in the elongated hole.

2. The door lock assembly according to claim 1 , wherein the actuator includes

a motor generating a driving force, and

a worm gear connected to one side of the motor and rotating.

3. The door lock assembly according to claim 1 , wherein, on the inside of the wheel gear, at least one operation rib is formed radially from the center to the outside of the wheel gear.

4. The door lock assembly according to claim 1 , wherein the inter-lever includes a first operation unit formed to protrude toward the wheel gear so as to be brought into contact with the wheel gear.

5. The door lock assembly according to claim 1 , wherein the inter-lever includes a second operation unit formed to protrude toward the lock lever so as to be connected to the lock lever.

6. The door lock assembly according to claim 1 , wherein the inter-lever includes a third operation unit formed to protrude toward the link lever so as to be inserted into the link lever.

Assignments (2)
CHANGE OF NAME Recorded Dec 8, 2011
From: DAEKI AUTOMOTIVE CORPORATION
To: LEEHAN DOOR CORPORATION
Reel/Frame 027353/0986 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 3, 2011
From: BYUN, YONG SOO
To: DAEKI AUTOMOTIVE CORPORATION
Reel/Frame 025894/0119 →
Priority Claims (3)
KR 10-2010-0019272 · Mar 4, 2010 · national
KR 10-2010-0019279 · Mar 4, 2010 · national
KR 10-2010-0019280 · Mar 4, 2010 · national
Continuity (1)
Related Publication 20110214460A1 · Sep 8, 2011