Abstract: A wiper arm mounting system for mounting a wiper arm rigidly and removably to a drive shaft includes a mounting part and a threaded fastening element that is realized in the form of a fastening nut or fastening screw with the fastening element acting upon the drive shaft in the axial direction. The fastening element is held on the mounting part in captive fashion at least approximately in the mounting position, such that the wiper arm can be pulled off the drive shaft (8) by means of rotating the fastening element.

Abstract: A driving crank for a windshield wiper system, wherein the crank lever is made of deep-drawn sheet metal. The crank lever has a rear part and a circumferential edge beaded towards one side of the rear part. At one end, the crank lever has an opening with an edge beaded towards the same side so as to form an inner cone. To prevent the inner cone from expanding and to reliably transmit high torques between the driving crank and the shaft to be secured in the opening, and vice-versa, the inner cone is expanded from the rear part.

Abstract: An adjusting lever pivoted on the attachment part moves during operation of the windshield wiper along a cam of a fixed rocker arm and thus pivots the contact spring to vary the force with which the wiper blade is pressed against the windshield being cleaned as a function of the particular wiper angle. The section of the adjusting lever on the rocker arm side has a fork-like design in which each fork leg rests upon an axially positioned cam of the rocker arm.

Abstract: A wiper arm for cleaning windshields of motor vehicles. The fixing portion of the wiper arm is formed from sheet metal in a manner which is economical and strong.

Abstract: A drive bearing for a windscreen wiper system wherein two actuator rods for actuating two wiper arms are driven by a motor crank. The two bearings are concentrically nested one within the other thereby allowing the driving forces of the two rods to extend in one plane. Other features include the association of the individual bearing elements to the actuator elements, and the design of the bearing faces.

Abstract: The invention refers to a wiper arm with a fixing part made from asheet metal, comprising a bore for the non-rotatable fixation on a wiper shaft and which is provided at least around the bore with an upper sheet metal section and a bottom sheet metal section being integrally connected and lying approximately in parallel to said upper sheet metal section. In order to provide the fixing part in the area of the bore with a high stability of form, a sheet metal section is supported against the flat side of the other sheet metal section around the bore at a distance from the outline of the fixing part which can be noticed when looked at in direction of the axis of the bore.

Abstract: A wiper arm for cleaning the windscreen of an automotive vehicle. The wiper arm includes a fastening component which is provided with a receptacle for a wiper shaft, which receptacle is integrally molded to a sheet metal component forming a back and is flanked by side walls connected with the back. The receptacle, back and side walls are integrally molded in one piece to the fastening component, a flat construction and, simultaneously, a capacity for transmitting high torques are achieved in that the edges of the deep-drawn fastening component or rather the edges of the receptacle and of the side walls point towards the windscreen of the vehicle.

Abstract: A windscreen wiper system having a mounting portion and a wiper arm as well as a wiper arm spring, the contact pressure of the wiper blade exerted on the windscreen is adjusted in that the line of operation of the wiper arm spring is varied through a sliding insert. Moreover, the wiper arm spring is supported by a support lever on the mounting portion.

Abstract: A wiper arm for cleaning windshields of motor vehicles. The fixing portion of the wiper arm is formed from sheet metal in a manner which is economical and strong.

Abstract: The description relates to a windshield wiper system of a motor vehicle including a wider arm with an articulated member and wiper rod. The articulated member and the wiper rod have a curvature along their length substantially parallel to the windshield surface adjacent a lower edge of the windshield and a rear edge of the hood, resulting in a minimized overall height and providing for a minimized gap between the rear edge of the hood and the windshield surface adjacent the lower edge.

Abstract: A windshield cleaning system with a spraying device is described, in which windshield cleaning system a jet element made of an elastic material is carried in an adjustable jet body formed in the shape of a ball. The jet element is formed with elastic lids forming a spraying mouth which is normally closed and which is located outside of the jet body. The spraying mouth is opened by the pressure of the washing liquid. With such an arrangement the direction of the spraying jet can be adjusted and the washing liquid is prevented from freezing due to the fact that the spraying mouth can be closed.

Abstract: A washing system for windshields of motor vehicles including a tank for washing water, a tank for a washing powder, and a washing pump. Water is drawn from the tank, and mixed with washing powder. The mixture of washing water and washing powder is transported to a washing nozzle for depositing on the windshield of a vehicle. Washing powder can be added to the washing water in the intake section of the pump.

Abstract: This invention relates to a wiper arm with a hose for washing liquid guided through a pressure spring, with a yoke connecting the pressure spring with a fastening member of the wiper as well as with a hose member that juts out of the pressure spring and extends in the direction of the yoke.The mid-portion part which is arranged between the two end parts of the yoke is collaterally located at the hose member.

Abstract: A windshield cleaning system with a wiper shaft for driving a wiper arm-and-blade assembly is described, which windshield cleaning system comprises an axial bore for forming a washing liquid channel, whereby at least one electric conductor for heating the washing liquid is assigned to the washing liquid channel. Thereby the electric conductor is anchored on a pipe, which is arranged in the bore of the wiper shaft, whereby this pipe extends the end of the wiper shaft by way of at least one end portion and can detachably be connected there with a counter contact piece. Due to the plug connection of the electric conductor an easy assembly is possible.

Abstract: A method and a device for mounting a wiper system on a motor vehicle includes individual structural members of the wiper system fitted in places on the motor vehicle body which are remote from each other. Thereby the individual structural members (19) are at first secured to a device serving as a transportation support (30) in proper position to the fastening points (26) on the motor vehicle body (25) and the premounted unit of wiper system and transportation support (30) is then put on the vehicle body (25) in proper mounting condition and thereafter the connection between the structural members (19) of the wiper system and the transportation support (30) is released again.

Abstract: A double feed pump has two outlet channels to be selectively acted upon with liquid in accordance with the direction of rotation of a feed element and two movable sealing membranes one each being assigned to an outlet channel and separating a valve chamber into a front compartment with valve seat and into a rear compartment, whereby one front compartment each of one valve chamber and one rear compartment of the other valve chamber are connected by a pressure channel. In order to facilitate the manufacture of the parts the sealing membranes are arranged one beside the other in a parting plane of a two-part housing and in each housing half are positioned, assigned to one sealing membrane, an outlet channel and a front compartment with valve seat, and, assigned to the other sealing membrane, a rear compartment and a pressure channel between the front and rear compartments.

Abstract: A wiper system, which is used especially for motor vehicles and in which the pendulum-motion of at least one wiper blade is overlapped by a motion of the wiper blade in its longitudinal direction. The wiper blade can be moved by means of a gearing that can be driven via a stroking shaft coaxially running to the wiper shaft. The stroking shaft is connected to a coupler via a stroking swivelling lever, which coupler is linked to an intermediate lever that can swivellably be driven around a fixed axis by the drive motor. In order to be able to wipe a big part of the windshield of a motor vehicle, the coupler passes a dead center when the intermediate lever is swivelling from the one reversing position to the other, in which dead center the coupler reverses the direction of its motion.

Abstract: A windshield wiper, especially for motor vehicle, is described comprising a carrier yoke, a rubber element, and a resilient support for the rubber element on the carrier yoke. The resilient support of the rubber element includes a resilient strip with several resilient lugs pointing in a first direction and at least one resilient lug pointing in a second direction opposite to the first direction. Thus, the rubber element is guided and resiliently supported on the carrier yoke at both ends.

Abstract: A process of assembling a wiper system, in which, in a transport position, the wiper arms are fixed onto the wiper shaft in a simply releasable manner and then the unit, pre-assembled in such a way, is delivered to the manufacturer of motor vehicles. There the wiper arms are swivelled from their transport position into their operational position and are permanently fixed onto the proper wiper shaft. Matching the wiper arms to the wiper system during the transport effectively prevents the manufacturer of motor vehicles from assembling them wrongly.

Abstract: A windshield cleaning system with a spraying device is described, in which windshield cleaning system a jet element made of an elastic material is carried in an adjustable jet body formed in the shape of a ball. The jet element is formed with elastic lips forming a spraying mouth which is normally closed and which is located outside of the jet body. The spraying mouth is opened by the pressure of the washing liquid. With such an arrangement the direction of the spraying jet can be adjusted and the washing liquid is prevented from freezing due to the fact that the spraying mouth can be closed.