Wiper arm for windscreen wiper
US6553608B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2001 |
| Grant date | Apr 29, 2003 |
| Priority date | — |
| Expiry date | Nov 21, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60S1/345
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The invention is based on a wiper arm (10) for a windshield wiper comprising a mounting part (12) and an articulated part (14) that are connected to each other via a hinged joint (18) that has a hub (24) permanently connected with one part (14 or 12) and open toward the other part (12 or 14), and an articulated axle (22) permanently connected with the other part (12 or 14), wherein one of the ends of a tension spring (20) is attached to an attachment device (26, 28) of the articulated part (14) and the other end is attached to the mounting part (12), and the hub (24) and the articulated axle (22) mutually loaded in the assembled state, and the hinged joint (18), in a preassembled state of the wiper arm (10) in a defined transport position, grips a seating surface that is situated on the side of the parts named above opposite to the hub (24) in relation to the line of force (46) of the tension spring (20) and is formed by at least one bearing surface (32, 34) on the articulated part (14) and on the mounting part (12) in each case. It is proposed that the bearing surfaces (32, 34) are arranged and/or designed in such a fashion that, with a smaller joint angle (&phgr;) beyond the tran…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.