摘要:
The invention relates to a method and system for permanently attaching a take-up screw (3) for taking-up the axial clearance of the armature shaft of a windscreen wiper motor. The take-up screw (3) is screwed axially into a bore (1) in the motor base (SM) until it reaches a stop position in relation to the armature shaft (6) locked on the screw, At least one surface discontinuity (2) is provided in the bore (1) and/or the thread of the screw (3), allowing the screw (3) to be screwed into the bore until it reaches the stop position. The screw (3) is screwed into the bore until the stop position is reached and a screw- and/or motor base-deformation strain (D) is applied at the discontinuity (2) in order to deform the side surface of the screw (3) and/or motor base (SM) and permanently attach the screw (3) and/or motor base by means of wedging in the discontinuity. The invention is suitable for the wind-screen wiper motors of motor vehicles.
摘要:
A motorized reduction gear unit having a crank and connecting rod mechanism incorporated in it, but especially for use as a vehicle screen wiper drive unit, comprises a hollow casing having a cover plate, with, within the hollow interior of the casing, a toothed wheel which is rotatable about an axis. The toothed wheel carries a gudgeon pin parallel to the axis of rotation of the toothed wheel but eccentric with respect to the latter. The pin drives a crank and connecting rod system in which the crank and connecting rod are articulated together about a pivot pin, so that continuous rotary motion of the toothed wheel is converted into alternating rotary motion of an output shaft. It further includes a peripheral gasket disposed between the upper edge of the casing and the cover plate, together with a friction plate element in the form of a thickened friction portion disposed fixedly on the inner surface of the cover plate facing towards the casing. The peripheral gasket and the friction plate element together constitute a monobloc component.
摘要:
A motorized reduction gear unit for any purpose having a crank and connecting rod mechanism incorporated in it, but especially for use as a vehicle screen wiper drive unit, comprises a hollow casing having a cover plate, with, within the hollow interior of the casing, a toothed wheel which is rotatable about an axis. The toothed wheel carries a gudgeon pin parallel to the axis of rotation of the toothed wheel but eccentric with respect to the latter. The pin drives a crank and connecting rod system in which the crank and connecting rod are articulated together about a pivot pin, so that continuous rotary motion of the toothed wheel is converted thereby into alternating rotary motion of an output shaft. The cover plate has on its inner face, facing towards the casing, an engagement surface for abutting engagement with the end of the crank in the region of the pivot pin.
摘要:
This invention relates to coatings for wood and improvement in the surface properties of cured coatings of the invention. The invention further relates to a method for improving at least one property such as mechanical, optical or a combination thereof and to a process for preparing a nanocrystalline cellulose-containing hydrodispersible, hydrosoluble and hydrophobic wood coating.
摘要:
The cabinet comprises a rear portion (1) fixed on the risers (15) of a rack, and a front portion (2) which is hinged to the rear portion. The rear portion (1) is fitted with means (27, 30-31, 28) for processing the component parts of a cable received by a cabinet to enable the component parts to be distributed out from the cabinet or else to be distributed in the form of individual fibers to the front portion of the cabinet, which front portion includes optical centering devices (60) for providing connections between the fibers received from the rear portion of the cabinet and link elements for providing links to opto-electronic equipment. Said optical centering devices are mounted in the front portion in such a manner as to ensure that they transmit light flux parallel to its front face. The cabinet is applicable to telecommunications stations.
摘要:
This invention relates to coatings for wood and improvement in the surface properties of cured coatings of the invention. The invention further relates to a method for improving at least one property such as mechanical, optical or a combination thereof and to a process for preparing a nanocrystalline cellulose-containing hydrodispersible, hydrosoluble and hydrophobic wood coating.
摘要:
A motorized reduction gear unit for any purpose having a crank and connecting rod mechanism incorporated in it, but especially for use as a vehicle screen wiper drive unit, comprises a hollow casing having a cover plate, with, within the hollow interior of the casing, a toothed wheel which is rotatable about an axis. The toothed wheel carries a gudgeon pin parallel to the axis of rotation of the toothed wheel but eccentric with respect to the latter. The pin drives a crank and connecting rod system in which the crank and connecting rod are articulated together about a pivot pin, so that continuous rotary motion of the toothed wheel is converted thereby into alternating rotary motion of an output shaft. It further includes a peripheral gasket disposed between the upper edge of the casing and the cover plate, together with a friction plate element in the form of a thickened friction portion disposed fixedly on the inner surface of the cover plate facing towards the casing. The peripheral gasket and the friction plate element together constitute a monobloc component.
摘要:
The invention proposes a drive unit for a windshield wiper in a motor vehicle, of the kind including an electric motor disposed in a motor housing open at one of its axial ends, a blade-carrier support disposed inside the motor housing close to its open end, a reduction gear mechanism disposed in a reduction gear housing, one portion of which forms an end plate for closing the open end of the motor housing, and of the kind comprising electrical connection for the drive unit which include electric contacts which are accessible from outside the drive unit; wherein the electric contacts and the blade-carrier support are arranged in a connection module disposed inside the motor housing close to the open end thereof, and the closing end plate includes a window open to the outside of the reduction gear housing and which extends opposite the electric contacts of the connection module.
摘要:
A speed reducer, in particular for converting continuous rotary motion of a drive motor to alternating rotary motion of an output shaft for operating a wiper linkage, and a hollow casing, which is closed by a cover with, in the hollow interior of the casing, a toothed wheel carrying a crank pin which is eccentric with respect to the axis of rotation of the toothed wheel, the crank pin being freely rotatable and free to move axially, with the crank pin driving a crank and connecting rod system which converts the continuous rotary motion of the toothed wheel into the alternating motion of the output shaft. The cover has at least one flat sliding thickened portion, of a material having a low coefficient of friction, arranged on its inner face and directed into the hollow interior of the casing.
摘要:
A motor vehicle screen wiper drive unit in the form of a motorised reduction gear unit has a body which is provided with a removable brush carrier plate, together with at least one electrical component connected to the brush carrier plate through a flexible electrical conductor, this component, or these components, being part of the power supply circuit for the drive unit. The brush carrier plate includes means for retaining the said component or components temporarily during fitting of the carrier plate in the body of the unit. The electrical component is arranged for sliding movement with respect to the carrier plate, into cooperation with retaining means formed in the body of the unit for retaining the component. A method of assembly of a brush carrier plate with at least one associated electrical component, in the body of such a drive unit, is also described.