FLAT WIPER BLADE AND FLAT WIPER BLADE ASSEMBLY

• US 20130192016A1
• Filed: 01/24/2013
• Published: 08/01/2013
• Est. Priority Date: 01/27/2012
• Status: Active Grant

• Current Assignee: Kb Wiper Systems Co., Ltd. (Robert Bosch GmbH)
• Original Assignee: KCW Corporation
• Inventors: KIM, Tae Kyeong, KIM, Kwan Hee, AN, Jae Hyuck, PARK, Jin Wan
• Granted Patent: US 9,120,463 B2
• Time in Patent Office: Days
• US Class Current: 15/250.201
• CPC Class Codes: B60S 1/0408 Means for influencing the aerodynamic quality of wipers, e.g. clip-on wind deflectors B60S1/32 takes precedence
• CPC Class Codes: B60S 1/381 Spoilers mounted on the squeegee or on the vertebra
• CPC Class Codes: B60S 1/3853 Snap-fit, e.g. elastic connection
• CPC Class Codes: B60S 1/3858 with protrusions cooperating with holes
• CPC Class Codes: B60S 1/387 the connector being suitable for receiving different types of adapter
• CPC Class Codes: B60S 1/3881 in additional element, e.g. spoiler
• CPC Class Codes: B60S 1/3886 End caps
• CPC Class Codes: B60S 1/4003 Multi-purpose connections for two or more kinds of arm ends
• CPC Class Codes: B60S 1/407 with means provided on the arm for locking the side pin
• CPC Class Codes: B60S 2001/4022 the element being provided with a locking element movable thereon
• CPC Class Codes: B60S 2001/4051 the intermediate element engaging the side walls of the arm
• CPC Class Codes: B60S 2001/4058 comprising a separate locking element, e.g. in addition to an intermediate element
• CPC Class Codes: B60S 2001/408 the connecting part or the intermediate element being provided with holes for different diameters of pivoting pin

Abstract

Disclosed are a flat wiper blade 2 and a flat wiper blade assembly. The flat wiper blade according to an embodiment of the present invention includes: a wiper strip 10 which wipes a wiping surface; a frame 30 which supports the wiper strip 10; a first and a second spoilers 41 and 42 which are coupled to the frame 30; and a seating part 100 to which adaptor parts 3 and 4 coupled to a wiper arm are coupled and which is coupled to the frame 30 in an attachable and removable manner.

Claims

1. A flat wiper blade comprising:

a wiper strip 10 which wipes a wiping surface;

a frame 30 which supports the wiper strip 10;

a first and a second spoilers 41 and 42 which are coupled to the frame 30; and

a seating part 100 to which adaptor parts 3 and 4 coupled to a wiper arm are coupled and which is coupled to the frame 30 in an attachable and removable manner.

2. The flat wiper blade 2 of claim 1, wherein at least two catching holes 34 are formed in the frame 30 at a predetermined interval, wherein a fitting recess 33 concave in the widthwise direction of the wiper blade 2 is formed in the longitudinal direction sides of the frame 30, and wherein the seating part 100 comprises a fitting protrusion 110 which is inserted and fitted into the fitting recess 33 of the frame 30 and an elastic catcher 120 which is inserted and fitted into the catching hole 34.

3. The flat wiper blade 2 of claim 2, wherein the fitting protrusion 110 is inserted and fixed to the fitting recess 33, so that the frame 30 and the seating part 100 come in close contact with each other, and wherein the frame 30 and the seating part 100 slide in an opposite direction to each other in the longitudinal direction of the wiper blade 2, and then are coupled to each other.

4. The flat wiper blade 2 of claim 2, wherein the seating part 100 further comprises a side 150 surrounding both sides of a portion of the frame 30.

5. The flat wiper blade 2 of claim 2, wherein the adaptor parts 3 and 4 comprise catching projections 210 and 211 and adaptor catchers 240 and 241, and wherein the seating part 100 comprises a catching recess 130 to which the catching projections 210 and 211 of the adaptor parts 3 and 4 are inserted and fitted and a catching protrusion 140 by which the catchers 240 and 241 are caught.

6. The flat wiper blade 2 of claim 5, wherein the catching projections 210 and 211 are inserted and fitted to the catching recess 130, and wherein the seating part 100 and the adaptor parts 3 and 4 slide in an opposite direction to each other in the longitudinal direction of the wiper blade 2, and then the adaptor catchers 240 and 241 are caught by the catching protrusion 140, so that the adaptor part and the seating part 100 are coupled to each other.

7. A flat wiper blade assembly comprising:

the flat wiper blade 2 comprising;

a wiper strip 10 which wipes a wiping surface;

a frame 30 which supports the wiper strip 10;

a first and a second spoilers 41 and 42 which are coupled to the frame 30; and

a seating part 100 to which adaptor parts 3 and 4 coupled to a wiper arm are coupled and which is coupled to the frame 30 in an attachable and removable manner; and

the adaptor part 3 comprising;

an adaptor 200 coupled to the seating part 100; and

a connector 300 coupled to the adaptor 200 and fastens the wiper arm to the wiper blade 2,

wherein the adaptor 200 comprises;

a catching projection 210 which is formed in the lower portion of the adaptor 200 and is inserted and fixed into the seating part 100;

a pair of guide plates 220 which is formed in the upper portion of the adaptor 200 and projects perpendicularly at a predetermined interval; and

a hinge recess 230 which is formed in the upper portion of the guide plate 220, and wherein the connector 300 comprises;

a body 320 which comprises;

coupling parts 330 and 340 which are formed on both sides of the body 320 and receive a catching protrusion of the wiper arm; and

a hinge shaft 350 which is formed in the lower portion of the body 320 and is inserted and fixed to the hinge recess 230 of the adaptor 200; and

a cover part 310 which restricts forward and backward movements or up and down movements of the wiper arm.

8. The flat wiper blade assembly of claim 7, wherein the adaptor 200 further comprises an adaptor catcher 240 preventing the adaptor 200 from being separated from the seating part 100, and wherein the seating part 100 comprises a catching recess 130 to which the catching projection 210 of the adaptor 200 is inserted and fitted and a catching protrusion 140 by which the adaptor catcher 240 is caught.

9. The flat wiper blade assembly of claim 8, wherein the catching projection 210 is inserted and fitted to the catching recess 130, and wherein the seating part 100 and the adaptor 200 slide in an opposite direction to each other in the longitudinal direction of the wiper blade 2, and then the adaptor catcher 240 is caught by the catching protrusion 140, so that the adaptor 200 and the seating part 100 are coupled to each other.

10. The flat wiper blade assembly of claim 7, wherein the cover part 310 comprises at least one catching recess 363 formed in a side thereof, and wherein the body 320 further comprises at least one elastic catching piece 362 which is coupled to the catching recess 363.

11. The flat wiper blade assembly of claim 7, wherein the body 320 further comprises a guide part 361 guiding a straight line movement of the cover part 310.

12. The flat wiper blade assembly of claim 7, wherein the body 320 further comprises a coupling recess 364 which is formed in a side thereof and to which the cover part 310 is coupled, wherein the cover part 310 further comprises a pair of coupling protrusions 365 formed therein, and wherein the coupling protrusion 365 is coupled to the coupling recess 364, guides a straight line movement of the cover part 310 and functions as a rotation axis when the cover part 310 rotates.

13. The flat wiper blade assembly of claim 7, wherein the body 320 further comprises a pair of slit grooves 354 formed in a lower portion thereof.

14. The flat wiper blade assembly of claim 7, wherein the connector 300 is connected to a wiper arm (ta) including a tap which contacts with the top surface and both sides of the connector 300 and extends toward the cover part 310, or is connected to a wiper arm (ca) including a cap which contacts with the top surface and both sides of the connector 300.

15. A flat wiper blade assembly comprising:

the flat wiper blade 2 comprising;

a wiper strip 10 which wipes a wiping surface;

a frame 30 which supports the wiper strip 10;

a first and a second spoilers 41 and 42 which are coupled to the frame 30; and

a seating part 100 to which adaptor parts 3 and 4 coupled to a wiper arm are coupled and which is coupled to the frame 30 in an attachable and removable manner; and

the adaptor part 4 comprising;

an adaptor 201 coupled to the seating part 100; and

a connector 301 coupled to the adaptor 201 and fastens the wiper arm to the wiper blade 2,

wherein the adaptor 201 comprises;

a catching projection 211 which is formed in the lower portion of the adaptor 201 and is inserted and fixed into the seating part 100;

a pair of outer side plates 221 which is formed in the upper portion of the adaptor 201 and projects perpendicularly at a predetermined interval; and

a hinge shaft 231 which connects the central portions of the outer side plates 221,

wherein the connector 301 comprises;

a pair of inner side plates 321 which contacts with a pair of the outer side plates 221;

a hinge recess 351 which is formed in the central portion of the inner side plate 321 and to which the hinge shaft 231 is inserted and fixed; and

a curved surface 331 by which a wiper arm (ha) having a straight portion and a curved portion which is formed on an end of the wiper arm and extends from the straight portion is selectively caught, and

wherein the connector 301 is inserted between the outer side plates 221 of the adaptor 201 and is pivoted.

16. The flat wiper blade assembly of claim 15, wherein the adaptor 201 further comprises an adaptor catcher 241 preventing the adaptor 201 from being separated from the seating part 100, and wherein the seating part 100 comprises a catching recess 130 to which the catching projection 211 of the adaptor 201 is inserted and fitted and a catching protrusion 140 by which the adaptor catcher 241 is caught.

17. The flat wiper blade assembly of claim 16, wherein the catching projection 211 is inserted and fitted to the catching recess 130, and wherein the seating part 100 and the adaptor 201 slide in an opposite direction to each other in the longitudinal direction of the wiper blade 2, and then the adaptor catcher 241 is caught by the catching protrusion 140, so that the adaptor 201 and the seating part 100 are coupled to each other.