Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Patent
1998-09-14
2000-11-14
Graham, Gary K.
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
152503, 74606R, 296 9617, B60S 106, A47L 102, F16H 5702
Patent
active
061451576
ABSTRACT:
A windshield wiper arrangement includes a mounting for a drive containing a wiper motor, a gear unit and a lever arm and two bearing brackets, spaced from the drive, containing wiper arm drive shafts each carrying an oscillating lever connected by a link rod to the lever arm. The mounting is an integral tubular structure shaped by high pressure forming of a tubular blank placed in a two-part mold having recesses extending essentially perpendicularly to the axis of the tubular part. Bushings for the drive shafts and a mount for the drive are forced into projections which are formed in the recesses when the tubular blank is shaped.
REFERENCES:
patent: 5142941 (1992-09-01), Amann et al.
patent: 5203602 (1993-04-01), Eustache
patent: 5396681 (1995-03-01), Hara
patent: 5878631 (1999-03-01), Muehlpforte et al.
Graham Gary K.
Volkswagen AG
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