Wiper driving apparatus

Details Wiper driving apparatus Wiper driving apparatus

1984-12-21

1986-08-19

Shoop, Jr., William M.

Electricity: motive power systems

Periodic, repetitious or successive operations control of...

318442, 318444, 318441, 318DIG2, H02P 300

Patent

active

046071989

ABSTRACT:
A wiper driving apparatus comprises a speed reduction gear train mounted on a drive shaft of a motor which drives reciprocally and pivotally a wiper blade; a pin member operatively engaged with said gear train so as to move once every rotation of the gear train; a relay switch driven by a relay coil and including a moving contact and fixed contacts disposed opposite sides of the movable contact; an operating lever member for transmitting the movement of the pin member to the movable contact of the relay switch and retaining contact of the movable contact with one of the fixed contacts; and a control circuit including the relay switch and the operating lever member for controlling the driving, intermittent, and automatic stop operations of the wiper blade.

REFERENCES:
patent: 2841994 (1958-07-01), Dyer et al.
patent: 3529227 (1970-09-01), Kearns
patent: 3691443 (1972-09-01), Hammer et al.
patent: 3694723 (1972-09-01), Schneider et al.
patent: 3728603 (1973-04-01), Kearns
patent: 3849711 (1974-11-01), Elliott et al.
patent: 4123694 (1978-10-01), Andrei-Alexandru et al.
patent: 4259624 (1981-03-01), Seibicke
patent: 4398135 (1983-08-01), Busch et al.

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