Opposite-type wiper apparatus

Details Opposite-type wiper apparatus Opposite-type wiper apparatus

2011-03-01

2011-03-01

Graham, Gary K (Department: 3727)

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

C015S250120, C015S250140, C318S053000, C318S062000, C318S443000, C318SDIG002

Reexamination Certificate

active

07895701

ABSTRACT:
An opposite type wiper apparatus which can prevent interference of each wiper blade even if reference position data is lost. When at least one of reference position data memory sections is in abnormal condition, angle range calculation sections correct operation angle ranges of a DR-side and an AS-side wiper motor so as to shift an upper and a lower reversal positions of a DR-side and an AS-side wiper blade toward storage positions, and so as to make a correction value from the AS-side angle range calculation section larger than a correction value from the DR-side angle range calculation section. Therefore, even when reference position data individually memorized in reference position data memory sections are lost, the DR-side and the AS-side wiper blades can be prevented from interfering with each other.

REFERENCES:
patent: 4900995 (1990-02-01), Wainwright
patent: 5568026 (1996-10-01), Welch
patent: 6107766 (2000-08-01), Amagasa
patent: 6288509 (2001-09-01), Amagasa
patent: 7256565 (2007-08-01), Merkel et al.
patent: 7355360 (2008-04-01), Assan
patent: 2003/0117102 (2003-06-01), Moosmann et al.
patent: 2005/0242762 (2005-11-01), Assan
patent: 11-301409 (1999-11-01), None

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