DE7920495U1 - STACKLESS WIPER DRIVE FOR MOTOR VEHICLES - Google Patents

Description

Horst t'ioschner _# <- ₍
Anemonenweg 3. I. * .. '
7024 FilderStadt 4

Rodless wiper drive for motor vehicles (Variation I)

It is driven by a wiper motor, the drive shaft of which changes the direction of rotation according to a certain rhythm.

This engine is centrally located in the middle of the vehicle under <?. er Windshield attached. A gear (1) in the shape of a cone is attached to its drive shaft.

To the right and left of this drive, a shaft (2 + 3) is driven via two bevel gears (4 + 5). These waves are with counter-coarse thread and are each fitted with two bearings (6, 7, 8, 9) under the windshield.

The windshield wipers (10 + 11) now come on these waves. At the lower end of the wiper is a counter bearing (12 + 13) with a Provide a thread that fits on the drive shafts (2 + 3).

The rotation of the motor drives the two shafts. Now the wiper inevitably runs across the window from the outside to the inside, also due to the change in the direction of rotation back again.

The upper guidance of the wiper takes place in the following way:

Each vehicle has one for tensioning the rubber disc (14) Decorative frame (15). This decorative frame gets an additional one Lip; The lower ends of the wipers come under this lip, each with a hard rubber wheel (16 + 17). This The wheel runs along the disc along the lower sealing edge. Due to the upper guide, the wipers cannot be exposed to the airstream lifted off the windshield.

In the switch-off stage, the wiper is placed up the window on the gutter. This means that the wiper is optically out of sight and the risk of injury in the event of an accident is eliminated.

Horst Moschner Anemonenweg 3 7024 Fi Id er Stadt 4

Part II

This variation is driven by two wiper motors (1). These are attached to the right and left below the windshield (23).

There is an additional shaft (18) on the drive wheel; this runs along the roof bar (19) and gets on upper end in turn a bevel gear (20).

Now are above and below the windshield each two drive shafts (2 + 3) mounted with bevel gears (4 + 5). These waves have one in the center of the windshield common camp (21 + 22).

The advantage of this variation is that the wipers (10) are driven evenly.

Annotation;

This wiper system is not only suitable for windshields, but also for headlights with large light emission (e.g. Daimler-Benz, Citroen etc.)

Claims (4)

"Linkage-free wiper drive for motor vehicles" protection claims 1. Windshield wiper with a wiper blade and a drive for Moving it over the disc, characterized, that the wiper blade (10) in fixed alignment by a threaded sleeve (12) which runs on a threaded spindle (2) connected to the rotating drive (1) and is provided with a rubber wheel at the opposite end. 2. Protection claims according to A 1,
characterized, that two wiper blades (10 + 11) are carried in a fixed alignment by two threaded sleeves (12 + 13), which on two with the rotating drive (1) connected threaded spindles (2 + 3) run and at the opposite end with one each Rubber wheel are provided. 3. Protection claims according to A 2,
characterized, that a drive motor (1) via a shaft (18) has two counter-rotating Drives threaded spindles (2 + 3) on which a wiper blade (10) is carried by a threaded sleeve each. 4. Protection claims according to A 3,
characterized, that two drive motors, each via a shaft, each have two counter-rotating threaded spindles, on each of which a wiper blade is carried will drive. These threaded spindles have a common bearing (21 + 22) in the middle.