ADAPTOR OF WIPER BLADE

• US 20080086830A1
• Filed: 06/08/2007
• Published: 04/17/2008
• Est. Priority Date: 10/12/2006
• Status: Active Grant

• Current Assignee: Korea Development Bank (Government of South Korea)
• Original Assignee: ADM 21 Company Limited (ADM21), In Kyu Kim
• Inventors: Kim, In Kyu
• Granted Patent: US 7,950,101 B2
• Time in Patent Office: Days
• US Class Current: 15/250.32
• CPC Class Codes: B60S 1/4003 Multi-purpose connections for two or more kinds of arm ends
• CPC Class Codes: B60S 1/4006 for arms provided with a hook-shaped end
• CPC Class Codes: B60S 1/4019 the retention means being protrusions or holes
• CPC Class Codes: B60S 1/4074 with means provided on the blade for locking the side pin
• CPC Class Codes: B60S 1/4087 the end being provided with protrusions or holes
• CPC Class Codes: B60S 2001/4032 the element being able to receive arms with hooks of different radiuses
• CPC Class Codes: B60S 2001/409 characterised by the arm or connecting part mounted on the arm presenting a shaped opening for bearing the pivot axis
• CPC Class Codes: Y10T 403/59 Manually releaseable latch type
• CPC Class Codes: Y10T 403/606 Leaf spring

Abstract

The present invention relates to an adaptor of a wiper blade with an improved structure for allowing the wiper blade to be easily coupled to wiper arms with a variety of shapes and sizes upon exchange of the wiper blade. There is provided an adaptor coupled to a bracket of a wiper blade for coupling the wiper blade to a wiper arm, which includes a base body formed with a coupling groove portion to be coupled to the bracket, and a pair of base sidewalls coupled integrally with each other by the base body. Further, the base body includes a first elastic support extending from the coupling groove portion in one direction and a second elastic support spaced apart from the first support by a certain distance, and each of the pair of base sidewalls is formed with a through hole therein.

Claims

1. An adaptor configured to be coupled to a bracket of a wiper blade for coupling the wiper blade to a wiper arm, comprising:

a base body formed with a coupling groove portion to be coupled to the bracket; and

a pair of base sidewalls coupled integrally with each other by the base body,

wherein the base body includes a first elastic support extending from the coupling groove portion in one direction and a second elastic support spaced apart from the first support by a certain distance, and each of the pair of base sidewalls is formed with a through hole therein.

2. The adaptor as claimed in claim 1, wherein the first support includes a pressing portion which is formed on a distal end thereof and is elastically deformed to press and support the wiper arm when the pressing portion is brought into contact with the wiper arm, the second support includes an upper protrusion which protrudes upwardly, and the through hole formed in the base sidewall is provided with an upper guide formed along a portion of an outer periphery thereof to guide the coupling of the wiper blade to the wiper arm.

3. The adaptor as claimed in claim 2, wherein when a hook type wiper arm is coupled to the adaptor, a ring portion of the wiper arm is brought into contact with an inner surface of the base sidewall, the upper guide formed integrally on the base sidewall, the coupling groove portion formed integrally in the base body, the pressing portion of the first support, and the upper protrusion of the second support, whereby the wiper arm can be maintained at a fixed state.

4. The adaptor as claimed in claim 1, wherein the first support includes a pressing portion which is formed on a distal end thereof and is elastically deformed to press and support the wiper arm when the pressing portion is brought into contact with the wiper arm, the second support includes a lower protrusion which protrudes downwardly, and the through hole formed in the base sidewall is provided with an upper guide formed along a portion of an outer periphery thereof to guide the coupling of the wiper blade to the wiper arm.

5. The adaptor as claimed in claim 4, wherein when the hook type wiper arm is coupled to the adaptor, a ring portion of the wiper arm is brought into contact with an inner surface of the base sidewall, the upper guide formed integrally on the base sidewall, the coupling groove portion formed integrally in the base body, the pressing portion of the first support, and the lower protrusion of the second support, whereby the wiper arm can be maintained at a fixed state.

6. The adaptor as claimed in claim 1, wherein when the side pin type wiper arm is coupled to the adaptor, a side pin is inserted through the through holes formed in the base sidewalls and is then elastically supported by the first support formed integrally on the base body, whereby the wiper arm can be maintained at a fixed state.

7. The adaptor as claimed in claim 1, wherein the base body includes a lower guide formed toward a distal end of the base sidewall at a position spaced downwardly from the second support by a certain distance.

8. The adaptor as claimed in claim 1, wherein the base sidewall includes a bulged portion which is gently bulged from an inner surface thereof.

9. The adaptor as claimed in claim 1, wherein the base sidewall includes a protrusion protruding from an outer surface thereof at an upper end of the outer surface to restrict a rotating range of the wiper blade.

10. The adaptor as claimed in claim 1, wherein the base sidewall includes a plurality of circular protrusions formed on an outer surface thereof in a concentric circular pattern around the coupling groove portion.

11. The adaptor as claimed in claim 1, further comprising a cover member additionally mounted to the adaptor, wherein the cover member includes a pair of cover sidewalls each of which is formed with a coupling protrusion inserted and coupled into the through hole formed on the base sidewall of the adaptor, and a cover body for integrally coupling the pair of cover sidewalls to each other.

12. The adaptor as claimed in claim 11, wherein the cover body includes an insertion groove portion open in one direction and a hooking portion extending to the other direction to be hooked to an outer periphery of the coupling groove portion of the adaptor, and the cover member is coupled to the adaptor in a state where the coupling protrusion formed on the cover sidewall is inserted into the through hole, the hooking portion of the cover body is hooked to the outer periphery of the coupling groove portion, and the insertion groove portion of the cover body presses and elastically deforms the first support.

13. The adaptor as claimed in claim 12, wherein when a bayonet type wiper arm is coupled to the adaptor with the cover member installed thereto, the wiper arm is inserted into the insertion groove portion and is maintained at a fixed state.

14. An adaptor coupled to a bracket of a wiper blade for coupling the wiper blade to a wiper arm, comprising:

a base member coupled to the wiper blade; and

a cover member mounted to the base member,

wherein the base member includes a base body formed with a coupling groove portion to be coupled with the bracket and having a first elastic support extending from the coupling groove portion in one direction, and a pair of base sidewalls coupled with each other by the base body and each having a through hole, and

the cover member includes a pair of cover sidewalls each of which is formed with a coupling protrusion inserted and coupled into the through hole formed on the base sidewall of the adaptor, and a cover body for integrally coupling the pair of cover sidewalls to each other.

15. The adaptor as claimed in claim 14, wherein the first support includes a pressing portion which is formed toward a distal end thereof and is elastically deformed to press and support the wiper arm when the pressing portion is brought into contact with the wiper arm.

16. The adaptor as claimed in claim 14, wherein the base sidewall includes an upper guide formed along a portion of an outer periphery of the through hole to guide the coupling of the cover body to the base member.

17. The adaptor as claimed in claim 14, wherein the cover body includes an insertion groove portion open in one direction to receive the wiper arm therein and a hooking portion hooked to an outer periphery of the coupling groove portion of the base body.

18. The adaptor as claimed in claim 14, wherein the base sidewall includes a bulged portion which is gently bulged from an inner surface thereof.

19. The adaptor as claimed in claim 14, wherein the base sidewall includes a protrusion protruding from an outer surface thereof at an upper end of the outer surface to restrict a rotating range of the wiper blade.

20. The adaptor as claimed in claim 14, wherein the base sidewall includes a plurality of circular protrusions formed on an outer surface thereof in a concentric circular pattern around the coupling groove portion.