Device for swinging a wiper arm of a windscreen wiper assembly away from and against a motor vehicle windscreen

• US 7,788,761 B2
• Filed: 06/02/2004
• Issued: 09/07/2010
• Est. Priority Date: 09/09/2003
• Status: Expired due to Fees

• Current Assignee: Robert Bosch GmbH
• Original Assignee: Robert Bosch GmbH
• Inventors: Weiler, Michael, Zimmer, Joachim
• Primary Examiner(s): Graham; Gary K
• Application Number:
  US10/571,182
• Publication Number:
  US 20070192985A1
• Time in Patent Office: 2,288 Days
• Field of Search: 152/503.51, 152/503.52, 152/501.9, 152/500.01
• US Class Current: 15/250.351
• CPC Class Codes: B60S 1/34 Wiper arms; Mountings therefor wiper arms provided with liquid spreading means B60S1/522; with gas spreading means B60S1/544
• CPC Class Codes: B60S 1/344 Flat-type mounting heads
• CPC Class Codes: B60S 1/3475 with blade or leaf springs

Abstract

Device (10) for swinging a wiper arm of a windshield wiper device away from and against a motor vehicle window, wherein the device (10) comprising at least two spring elements (11), which retain the wiper arm in a stable position away from the vehicle window and press the wiper arm against said vehicle window during the operation of the wipers, wherein at least one of the at least two spring elements (11) comprises at least one compressed region (13).

Claims

1. Device (30) for swinging a wiper arm of a windshield wiper device away from and against a motor vehicle window, the device comprising at least two spring elements, which retain the wiper arm in a stable position away from the vehicle window and press the wiper arm against said vehicle window during the operation of the wipers, wherein at least one of the at least two spring elements comprises at least one compressed region, characterized in that it comprises three spring elements (31, 32) arranged next to one another, wherein a center spring element (32) is provided with at least one compressed end region (35).

2. Device according to claim 1, characterized in that it can be manufactured from sheet metal with a constant cross section.

3. Device according to claim 1, characterized in that it can be manufactured automatically.

4. Device (50) for swinging a wiper arm of a windshield wiper device away from and against a motor vehicle window, the device comprising at least two spring elements, which retain the wiper arm in a stable position away from the vehicle window and press the wiper arm against said vehicle window during the operation of the wipers, wherein at least one of the at least two spring elements comprises at least one compressed region, characterized in that it comprises three spring elements (51, 52) arranged next to one another, wherein two externally arranged spring elements (51) are provided with at least one compressed end region (55).

5. Device according to claim 4, characterized in that it can be manufactured from sheet metal with a constant cross section.

6. Device according to claim 4, characterized in that it can be manufactured automatically.

7. Wiper arm for a windshield wiper device of a motor vehicle, comprising a device for swinging the wiper arm away from and against a window of the motor vehicle, wherein the device comprises at least two spring elements, which retain the wiper arm in a stable position away from the vehicle window and press the wiper arm against said vehicle window during the operation of the wipers, wherein at least one of the at least two spring elements comprises at least one compressed region, characterized in that the device (30) comprises three spring elements (31, 32) arranged next to one another, wherein a center spring element (32) is provided with at least one compressed end region (35).

8. Wiper arm according to claim 7, characterized in that the device can be manufactured from sheet metal with a constant cross section.

9. Wiper arm according to claim 7, characterized in that the device can be manufactured automatically.

10. Wiper arm for a windshield wiper device of a motor vehicle, comprising a device for swinging the wiper arm away from and against a window of the motor vehicle, wherein the device comprises at least two spring elements, which retain the wiper arm in a stable position away from the vehicle window and press the wiper arm against said vehicle window during the operation of the wipers, wherein at least one of the at least two spring elements comprises at least one compressed region, characterized in that the device (50) comprises three spring elements (51, 52) arranged next to one another, wherein two externally arranged spring elements (51) are provided with at least one compressed end region (55).

11. Wiper arm according to claim 10, characterized in that the device can be manufactured from sheet metal with a constant cross section.

12. Wiper arm according to claim 10, characterized in that the device can be manufactured automatically.

13. Windshield wiper for a motor vehicle, comprising at least one wiper arm with a device for swinging the wiper arm away from and against a window of the motor vehicle, wherein the device comprises at least two spring elements, which retain the wiper arm in a stable position away from the vehicle window and press the wiper arm against said vehicle window during the operation of the wipers, characterized in that at least one of the at least two spring elements comprises at least one compressed region, characterized in that the device (30) comprises three spring elements (31, 32) arranged next to one another, wherein a center spring element (32) is provided with at least one compressed end region (35).

14. Windshield wiper according to claim 13, characterized in that the device can be manufactured from sheet metal with a constant cross section.

15. Windshield wiper according to claim 13, characterized in that the device can be manufactured automatically.

16. Windshield wiper for a motor vehicle, comprising at least one wiper arm with a device for swinging the wiper arm away from and against a window of the motor vehicle, wherein the device comprises at least two spring elements, which retain the wiper arm in a stable position away from the vehicle window and press the wiper arm against said vehicle window during the operation of the wipers, characterized in that at least one of the at least two spring elements comprises at least one compressed region, characterized in that the device (50) comprises three spring elements (51, 52) arranged next to one another, wherein two externally arranged spring elements (51) are provided with at least one compressed end region (55).

17. Windshield wiper according to claim 16, characterized in that the device can be manufactured from sheet metal with a constant cross section.

18. Windshield wiper according to claim 16, characterized in that the device can be manufactured automatically.