EP0278199A2 - Fahrzeugfensterantriebssystem - Google Patents

Fahrzeugfensterantriebssystem Download PDF

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Publication number
EP0278199A2
EP0278199A2 EP87500038A EP87500038A EP0278199A2 EP 0278199 A2 EP0278199 A2 EP 0278199A2 EP 87500038 A EP87500038 A EP 87500038A EP 87500038 A EP87500038 A EP 87500038A EP 0278199 A2 EP0278199 A2 EP 0278199A2
Authority
EP
European Patent Office
Prior art keywords
vehicle window
crown wheel
drive systems
window drive
motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP87500038A
Other languages
English (en)
French (fr)
Other versions
EP0278199A3 (en
EP0278199B1 (de
Inventor
D. Antonio Romero Magarino
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dispositivos de Accesorios de Puertas SA
Original Assignee
Dispositivos de Accesorios de Puertas SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from ES1986294919U external-priority patent/ES294919Y/es
Priority claimed from ES8601446A external-priority patent/ES2001610A6/es
Application filed by Dispositivos de Accesorios de Puertas SA filed Critical Dispositivos de Accesorios de Puertas SA
Priority to EP92108208A priority Critical patent/EP0501530B1/de
Publication of EP0278199A2 publication Critical patent/EP0278199A2/de
Publication of EP0278199A3 publication Critical patent/EP0278199A3/en
Application granted granted Critical
Publication of EP0278199B1 publication Critical patent/EP0278199B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F11/00—Man-operated mechanisms for operating wings, including those which also operate the fastening
    • E05F11/38—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement
    • E05F11/48—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement operated by cords or chains or other flexible elongated pulling elements, e.g. tapes
    • E05F11/481—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement operated by cords or chains or other flexible elongated pulling elements, e.g. tapes for vehicle windows
    • E05F11/483—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement operated by cords or chains or other flexible elongated pulling elements, e.g. tapes for vehicle windows by cables
    • E05F11/485—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement operated by cords or chains or other flexible elongated pulling elements, e.g. tapes for vehicle windows by cables with cable tensioners
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F11/00—Man-operated mechanisms for operating wings, including those which also operate the fastening
    • E05F11/38—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement
    • E05F11/50—Crank gear with clutches or retaining brakes, for operating window mechanisms
    • E05F11/505—Crank gear with clutches or retaining brakes, for operating window mechanisms for vehicle windows
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
    • E05F15/689—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings specially adapted for vehicle windows
    • E05F15/697—Motor units therefor, e.g. geared motors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F11/00—Man-operated mechanisms for operating wings, including those which also operate the fastening
    • E05F11/38—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement
    • E05F11/48—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement operated by cords or chains or other flexible elongated pulling elements, e.g. tapes
    • E05F11/481—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement operated by cords or chains or other flexible elongated pulling elements, e.g. tapes for vehicle windows
    • E05F11/483—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement operated by cords or chains or other flexible elongated pulling elements, e.g. tapes for vehicle windows by cables
    • E05F11/486—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement operated by cords or chains or other flexible elongated pulling elements, e.g. tapes for vehicle windows by cables with one cable connection to the window glass
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53—Type of wing
    • E05Y2900/55—Windows

Definitions

  • motorized reducers are known that are made up of an independent motor, which by means, for example, of an elastic coupling, powers a reducer, that means it is necessary to have one housing for the motor and another for the reducer, all of which used to mean that double units had to be manufactured as a consequence of this, with different moulds for the housing and also different assembly tooling, with the peculiarity that to be able to used the motor-reducer in applications with the power outlet on one or the other side, it was necessary for the reducer housing to be symmetrical parts.
  • the patent provides a small reducer that is made up of one single block or unit which can be used in any position, and in which the motor and the worm screw have a single support to be able to receive the crown with the mechanism to drive the cable drum or pinion which operates another mechanism, for example the window drive system of a vehicle, which are sometimes operated by a pinion and on other occasions by means of a cable drum.
  • the single unit of the patent is symmetrical, so that it can be used equally for one position or side or for the other.
  • the special shape of the support that serves as the front housing for the motor, which has a single drill hole for fixing, situated in a protruding part below the hollow of the worm screw and symmetrical with respect to the medium plane of the part, which allows the unit assembly plate to be fitted symmetrically to it, that is, on one side or the other of the side of the motor, as demanded by its situation in the door of the vehicle.
  • This patent also deals with an elastic torque transmitter that turns in both directions, which has a very smooth starting together with a high torque damping in the presence of any blocking in the transmission system and without any axial effects being produced on the turning shaft.
  • Another aim of the patent is that of providing an extensive range of torques to transmit between high-power trnamissions to micromechanisms.
  • the assembly of the small-sized reducer is made up of a low-power micromotor, which includes the support for the reducer, and whose power intake is placed directly above the worm acrew, which is cut or laminated on the rotor shaft itself, thus allowing the total length of the assembly to be reduced.
  • the shaft in cuestion has only two sperical supports at its ends, with these preferably being of sintered, self-lubricated material.
  • motor cover-support part int he shape of a circular segment, whose centre coincides with the shaft of the crown, which has three equally spaced drill holes, in which the worm screw shows the profile of its helix through a portion of the said motor cover-support part.
  • the crown support can therefore be adapted to this part and fixed in the drill holes by means of suitable bolts or rivets
  • the said cover-support receives, at the end farthest away from the sperical support of the worm screw rotor shaft, and near the motor itself it houses a retainer that is coaxial with the shaft, so that it ensures the oiltightness, watertightness, etc. of the motor, with the help of an elastic joint in the flanging area of the cover-support with the motor housing.
  • the motor-reducer assembly is fitted to the door of the vehicle by means of an assembly plate, which is a die-cut part of sheet metal, of suitable thickness, which at one end receives, through an opening carried out on a right angle fold, the body of the motor and at the other end takes the shape of a "A"-shaped leg, which with its corresponding drill hole is fixed to the drill hole in the protruding part of the motor support by means of a rivet or bolt.
  • This system allows a metallic surface to be left available to back up laterally to the motor, of the shape and dimensions required for bolts or nuts to be fixed to it by welding, so that they coincide with the drill holes determined by the constructor of the vehicle in the door, so that the centre of gravity of the motor-reducer assembly is contained between them; this condition is of great importance so that the dynamic stresses that the mass of this assembly produces when the door is being closed does not cause the tearing away of the sheet metal which is so common.
  • the transmitter is based on a simple mechanism able to transmit a determined torque in terms of the initial tension of a special, spiral spring, which is previously calculated in relation to the torque to be developed while in operation. It is also possible for the transmitter to absorb an increase in the said operating torque, due to either brusque starting or an obstacle that means an impediment for the turning of the assembly, becoming an indispensable item as a damping element.
  • the invention is mainly centred, and it is made up of a crown, for example a coupling flange to the drive unit, a sheave or toothed pulley, a crown wheel or sprocket ... etc., with the hollow interior of this crown wheel having an integral circular ring which juts out into this interior part, this ring being provided with a dragging sector of a variable angular value, which extends a certain amount towards the centre of the crown.
  • the variable angular value of the crown sector will be called (a).
  • Two shoes in the form of a circular sector are supported by their outer surface in the circular ring of the crown wheel and supported by one of their ends on the sides of the dragging sector.
  • the two shoes do not take up the whole of the circular ring, so that their opposite ends which are not supported on the circular sector, are situated at a certain distance from each other.
  • a circular spring is housed in the interior of the shoes, with the ends of the projection being lodged in recesses in their interior.
  • the spring has a natural tendency to operate on the shoes, so that the shoes rest on the dragging sector and the other ends of shoes become situated at an angular distance due to the action of the circular spring; a distance that will be called (b).
  • the above-mentioned crown wheel has grooves on both sides of the circular ring and dragging sector, in which two interconnected circular bodies are housed, in such a way that the crown turns freely between the said similar bodies, as the three elements are positioned according to a same, single shaft, so that each one of the circular bodies fits into the corresponding groove of the crown at both sides of the circular ring.
  • the circular bodies are provided in their turn with grooves carried out in opposite directions, with relation to each other, so that they become face to face when they are housed in the grooves of the crown wheel, forming and internal hollow which holds the circular ring, the circular spring and the two shoes.
  • Both grooves of the cylindrical bodies are also provided with rectangularly-shaped projections whose base is identical to the dragging sector of the crown wheel where the shoes rest.
  • the two circular bodies are related to each other, as was mentioned earlier.
  • One of the circular bodies has a hollow axial projection in which the circular spring is supported and which culminates in a truncated cone portion that is partially slotted in an axial direction along all its circular contour.
  • the other cylindrical body extends, also axially, into a neck that receives the projecting part of the other body, with a wall that meets the front of the other body and a circular housing that receives the truncated cone portion of it, so that like this both circular bodies become joined together solidly.
  • the circular spring that was mentioned earlier can be formed of one or several spirals of steel wire, with its ends directed towards the outer part of the spiral and loops in an axial direction and towards the interior, so that its stress is carried out in the perpendicular turning plane, without any axial stress being established. However, they could also be radially placed towards the exterior.
  • the supplementary energy stored in the spring can be used up to a maximum value in which angle (b) is equal to zero.
  • the circular damping is always carried out within the angle (b) of the ends of the spring, and its extent is in terms of the angles (a) covered by the dragging sector of the crown and the angular sector (c) covered by the shoes themselves.
  • angle (b) represents a very considerable value with respect to presently used mechanisms, in which spiral compression springs or elastic elements of natural or synthetic rubber are used.
  • the sliding friction of the shoes on the grooves or slots means that the transmission of the circular movement is carried out uniformly and therefore without oscillations.
  • an oil and damp retaining element is adapted (7), responsible for impeding, if necessary, these elements from passing into the electrical area of the brushes and the rotor collector, where they might be the cause of breakdowns, taking into account that the conditions of dampness and temperature inside the door panel might be very variable at certain moments.
  • This support is preferably made by injection of reinforced fiber glass thermoplastic resin or light metal.
  • the operation of the cable in the case of window winding devices of this type, is made up of the toothed crown wheel (8), made of thermoplastic resin with a low friction coefficient, which gears on the worm screw-spindle (2) of the motor (1), and which forming part of the coplanary torque transmitter (9), draws over the drum that is integral to this system the two strands of cable (10 and 11) wound onto it and connected among themselves to the plate or unit for moving the pane of glass, as shown in figure 7.
  • the cable system is supported by the two casing elements (14 and 15), made by injection of reinforced fiber glass thermoplastic resin and with a rotation shaft (16) inserted under pressure with its ends on the corresponding supports of the said housing.
  • the compensation of the cable is carried out by means of guides (12), made by injection of thermoplastic resin with a low friction coefficient, the cable conductors (26) and the helicoidal springs (13) shown in figure 1, which facilitates its sliding and compensation over the corresponding outlets (17) of the housing (15).
  • Housing (14) which houses the crown wheel (8) and the torque transmitter (9), is connected to housing (15) by the shaft (16) and by the plastic deformation of the sectorial projections (18).
  • this unit is inserted into the bracket support (6) of the motor like a case, so that the crown wheel (8) will gear on the worm screw (2) and will be fastened to it by means of three rivets or bolts (10), thus shaping the compact motor-reducer that is extremely reduced in both size and weight, with the particular advantage that the motor can be exchanged by simply loosening the fixing elements (19) and then replacing them once that the change has been carried out.
  • Housing (14) is a single part due to its geometry, so it can be used on one side or the other of the motor-reducer assembly, which means a considerable saving.
  • This assembly is connected to the door of the vehicle by means of a simple anchoring plate (20), which clamps the motor in its rear part (figures 1 and 2) and is fixed by its front part through the only drill hole that the assembly has in the front support (6) of the motor, by means of a rivet or bolt (21) and its corresponding washer.
  • the anchoring plate (20) is oversized at its support area on the door, so that the centre of gravity of the motor-reducer assembly falls within the box defined by the fixing elements, usually bolts (23).
  • the fixing elements usually bolts (23).
  • the crown wheel (8) can be observed, with, for example, the copling flange for the drive unit, a rim pulley, a toothed crown, etc., which has in its hollow interior a circular nerve or ring (31) which provides a slideway (30), with two grooves (32 and 32') at both sides of the said ring (31).
  • This ring is interrupted by a dragging sector (24) which extends towards the geometrical centre of the crown wheel (8) with an (a) angle of variable value according to needs.
  • this sector (24) and specifically at its ends, the two shoes (25 and 25') are supported in the form of a circular segment of angular value (c), which on their insides (34) receive the spring (29), whose ends (37 and 3T) are opportunely housed in portions (35) and (36) of the said shoes.
  • the two ends (37 and 37') of the spring (29) are to be found in an axial direction, as is clear, and this is why they are taken in perfectly in the shoes (25 and 25').
  • the outer surfaces of the shoes will slide opportunely on the slideway (30) once housed with the spring (29) in their interior, and with the ends (37 and 37') of the spring (29) being separated in an angle (c).
  • the grooves (32 and (32') of the crown wheel (8) receive the projections (38) and (38') of the two cylindrical bodies (26) and (26'), as is shown in figure 5.
  • the projection (38) of body (9) has in its interior a slot or groove (28), in which is made a rectangularly shaped projection (27) of angular value equal to that of the sector (24) of the crown wheel (8).
  • the projection (38') of part (9') has in its turn the slot or groove (28'), also provided with the projection (27') angularly coincident with the sector (24) of the crown wheel (8).
  • the two cylindrical bodies (9) and (9') are suitably integrated, thanks to the introduction of the dentated truncated cone projection (39) of the body (9) in the intemal housing of body (9'), and of the projections (26) of body (9) over the slots (33) of body (9'), as male and female, as can be observed.
  • the shoes are supported on the sector (24) and on the other projections (27 and 2T, of the same angular value as that of the two cylindrical bodies, by the effect of the initial tension of the spring (29), which determines, as has already been stated, the minimum initial torque to be transmitted, leaving the angle (b) between the ends of the spring as is shown in figure 4, in which the shoes are supported on the dragging sector (8) and on the projections (27 and 2T) of the cylindrical parts (9 and 9'), which take in an angle (a).
  • the two projecting ends (37 and 37') of the spring are housed in two recesses,which are not illustrated, in the positions (35 and 36) respectively of the shoes, in such a way that their fit is perfectly secure.

Landscapes

  • Window Of Vehicle (AREA)
  • Friction Gearing (AREA)
  • Transmission Devices (AREA)
EP87500038A 1986-06-19 1987-06-17 Fahrzeugfensterantriebssystem Expired - Lifetime EP0278199B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP92108208A EP0501530B1 (de) 1986-06-19 1987-06-17 Motor- und Getreibeträger

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ES294919U 1986-06-19
ES1986294919U ES294919Y (es) 1986-06-19 1986-06-19 Motosemireductor reducido
ES8601446A ES2001610A6 (es) 1986-08-28 1986-08-28 Transmisor de par coplanario elastico en ambos sentidos, para la actuacion de elementos de transmision por giro.
ES8601446 1986-08-28

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP92108208.7 Division-Into 1992-05-15

Publications (3)

Publication Number Publication Date
EP0278199A2 true EP0278199A2 (de) 1988-08-17
EP0278199A3 EP0278199A3 (en) 1988-11-02
EP0278199B1 EP0278199B1 (de) 1994-09-07

Family

ID=26154295

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87500038A Expired - Lifetime EP0278199B1 (de) 1986-06-19 1987-06-17 Fahrzeugfensterantriebssystem

Country Status (2)

Country Link
EP (1) EP0278199B1 (de)
DE (1) DE3750508T2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3905589A1 (de) * 1989-02-23 1990-08-30 Kuester & Co Gmbh Antriebsteil fuer einen bowdenzug-fensterheber
US5172463A (en) * 1989-02-23 1992-12-22 Kuester & Co. Gmbh Method of assembling a motor drive unit for a cable window regulator

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2195998A6 (de) * 1972-08-09 1974-03-08 Brose & Co Metallwerk Max
US3984998A (en) * 1975-09-12 1976-10-12 General Motors Corporation Energy absorbing coupling
FR2378164A1 (fr) * 1977-01-20 1978-08-18 Sessa T Leve-glace perfectionne pour vehicule automobile
DE2803807A1 (de) * 1978-01-28 1979-08-02 Kuester & Co Gmbh Elektromotorisch angetriebener seilzug-fensterheber
US4167834A (en) * 1978-02-15 1979-09-18 Ferro Manufacturing Corporation Power window mechanism
EP0075777A1 (de) * 1981-09-25 1983-04-06 Siemens Aktiengesellschaft Getriebemotor, insbesondere elektromotorischer Fensterheber-Antrieb für Kraftfahrzeuge

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2195998A6 (de) * 1972-08-09 1974-03-08 Brose & Co Metallwerk Max
US3984998A (en) * 1975-09-12 1976-10-12 General Motors Corporation Energy absorbing coupling
FR2378164A1 (fr) * 1977-01-20 1978-08-18 Sessa T Leve-glace perfectionne pour vehicule automobile
DE2803807A1 (de) * 1978-01-28 1979-08-02 Kuester & Co Gmbh Elektromotorisch angetriebener seilzug-fensterheber
US4167834A (en) * 1978-02-15 1979-09-18 Ferro Manufacturing Corporation Power window mechanism
EP0075777A1 (de) * 1981-09-25 1983-04-06 Siemens Aktiengesellschaft Getriebemotor, insbesondere elektromotorischer Fensterheber-Antrieb für Kraftfahrzeuge

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3905589A1 (de) * 1989-02-23 1990-08-30 Kuester & Co Gmbh Antriebsteil fuer einen bowdenzug-fensterheber
US5172463A (en) * 1989-02-23 1992-12-22 Kuester & Co. Gmbh Method of assembling a motor drive unit for a cable window regulator

Also Published As

Publication number Publication date
EP0278199A3 (en) 1988-11-02
DE3750508T2 (de) 1995-05-04
DE3750508D1 (de) 1994-10-13
EP0278199B1 (de) 1994-09-07

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