Abstract: An intermittent driving apparatus for a rotary window cleaner comprises a first wiper (2) which is connected to a rotating shaft (10) of a first motor (8) and is rotatably disposed on a front window (1), a second wiper (3) which is connected to a rotating shaft (11) of a second motor (9) and is rotatably disposed on a front window (1) adjacently to the first wiper (2), and an electronic control circuit having brush boards (18, 20) of two motors connected to each other so that the second motor (9) is rotated at a predetermined time after the first motor (8) is rotated. The electronic control circuit includes a signal generating circuit (30) for repeatedly sending signals to the brush board (18) of the first motor (8) at fixed time intervals, and a brake mechanism for stopping the two wipers at the start position for a predetermined time every one rotation.

Abstract: A drive controlling apparatus for a rotary window cleaner comprises an elevating motor for moving up and down two wipers, which are provided on a front window so as to be close to each other, to a storage position and a start position, a first motor for rotating the first wiper at the start position, a second motor for rotating the second motor at the start position in a direction opposed to that of the first wiper, and an electronic control circuit to which each brush board of the elevating motor, the first motor and the second motor is connected so as to perform the upward and downward movement, the intermittent operation, the medium-speed operation and the high-speed operation.

Abstract: A rotary window cleaner comprises a first wiper (2) and a second wiper (3) connected respectively to a rotating shaft (22) of a first motor (20) and a rotating shaft (25) of a second motor (21) which are arranged adjacently in series to each other, and said first wiper (2) and said second wiper (3) are rotatably disposed proximate with respect to each other on a window pane (1). The rotating shaft (22) of the first motor (20) is provided at one end with a movable gear (23) and the rotating shaft (25) of the second motor (21) has a fixed gear (28) mounted at one end opposite to the movable gear (23).

Abstract: First and second rotary wipers which are disposed proximate with respect to each other so that a lag angle formed at the initiation of operation is held during operation thereof. The lag angle generated at the initial operation time is cancelled when the operation is stopped.

Abstract: A rotary windshield wiper having wipers mounted to rotate and flex so that rotational loci of the wipers on the portions the windowpane are curved downward, whereby the rotary window cleaner is constructed so that it can be installed in front engine type automobiles.

Abstract: A rotary windshield wiper comprising a gear case having a stationary portion and the rotary portion. A cylinder extending from the rotary portion toward the window at the end of which is supported the rotary wiper. Wiper being rotated by a gear train extending through the cylinder and the gear case are connected to a motor. The rotary portion is connected to an operating arm by which it is moved so as to raise and lower the cylinder holding the rotary wiper.