EP1329573A2 - Electromechanical handle unit for opening the boot, or similar compartment, of a motor-vehicle - Google Patents

Electromechanical handle unit for opening the boot, or similar compartment, of a motor-vehicle Download PDF

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Publication number
EP1329573A2
EP1329573A2 EP02021583A EP02021583A EP1329573A2 EP 1329573 A2 EP1329573 A2 EP 1329573A2 EP 02021583 A EP02021583 A EP 02021583A EP 02021583 A EP02021583 A EP 02021583A EP 1329573 A2 EP1329573 A2 EP 1329573A2
Authority
EP
European Patent Office
Prior art keywords
lever
handle unit
box
boot
membrane
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
EP02021583A
Other languages
German (de)
French (fr)
Other versions
EP1329573A3 (en
EP1329573B1 (en
Inventor
Andrea Collavo
Bruno Zalla
Stefano Bressan
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.)
Plastal SpA
Original Assignee
Plastal SpA
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
Application filed by Plastal SpA filed Critical Plastal SpA
Publication of EP1329573A2 publication Critical patent/EP1329573A2/en
Publication of EP1329573A3 publication Critical patent/EP1329573A3/en
Application granted granted Critical
Publication of EP1329573B1 publication Critical patent/EP1329573B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00Power-actuated vehicle locks
    • E05B81/54Electrical circuits
    • E05B81/64Monitoring or sensing, e.g. by using switches or sensors
    • E05B81/76Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02Bases, casings, or covers
    • H01H9/06Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02Bases, casings, or covers
    • H01H9/04Dustproof, splashproof, drip-proof, waterproof, or flameproof casings

Definitions

  • the present invention refers to an electromechanical handle unit for semi-automatically opening the boot, or similar compartment, of a motor-vehicle, in particular a motor-car.
  • the handle for opening the boot, or a rear door, or the like, of motor-vehicles is generally known to be preferably assisted, for actuation, by an electromechanical switch adapted to energize an electric motor, an electromagnet, or the like, in such a manner as to release, i.e. snap open the lock of the same boot, or similar compartment, with a minimum, negligible manual effort by the user.
  • such a handle unit mainly comprises a hollow support frame adapted to be attached to the boot (or, anyway, to the bodywork) of the motor-vehicle.
  • This support frame in turn accommodates a box-like member, fastened on the rear side by means of screws, inside which there is hinged, by means of one or more transversal hinging pins, an actuating handle that is normally held in its resting position by at least a return spring.
  • Both the support frame and the box-like member have a cross-section in the shape of a substantially reverse U, each one of which has an open side defined by a flanged edge.
  • the flanged edge of the box-like member is embraced by a corresponding peripheral lip of a flexible membrane that closes said open side of the box-like member and, therefore, of the whole handle unit.
  • the flexible membrane allows for the handle to be operated from the outside so as to cause an inner jut thereof to actuate the electromechanical switch, which is also provided within said box-like member, so as to release the lock of the boot.
  • the flanged edge of the box-like member keeps the lip of the membrane bearing against a corresponding peripheral shoulder of the hollow support frame, so that the membrane is capable of tightly isolating the interior of the handle unit (in particular the electric component parts thereof) from the outside ambient.
  • the handle unit mainly comprises a hollow support frame 1, which is preferably made of plastic material and is adapted to be attached to the boot (or, anyway, to the bodywork) of a motor-vehicle in a per sé known (and not shown) manner.
  • the frame 1 may be integrated in a support body provided for the devices used to illuminate the number-plate of the vehicle, for instance of the kind described in EP-A-0 976 617.
  • the hollow frame 1 has a cross-section in the shape of substantially a reverse U , with an open front (lower, in the example illustrated in Figures 1 and 2) edge, defined by a flanged edge 2, in correspondence of which there is provided a peripheral shoulder 3.
  • the frame 1 is provided with an aperture 4 and at least two juxtaposed ribs 5 protruding towards the edge 2.
  • the support frame 1 in turn accommodates a box-like member 9, which is attached on the rear side thereof by means of screws (not shown) passing for instance through holes 8 provided in the wall 7 of the frame.
  • the box-like member 9 has a cross-section in the shape of substantially a reverse U , with an open front (lower, in the example being described) edge, defined by a flanged edge 10.
  • the box-like member 9 is provided with an aperture that is substantially aligned with the aperture 4 of the frame 1; through both these aperture there extends an actuating electromechanical switch 12 (mounted in a per sé known and not shown manner) adapted to energize an electric motor, an electromagnet, or the like, so as to unlock, i.e. release the lock of the boot of the motor-vehicle.
  • Electric motor, lock and boot are of a generally known type and are not shown in the Figures.
  • the switch 12 extends into the box-like member 9 with an actuation push-button 13 that is preferably capable of being operated through a per sé known elastic pushing blade 14.
  • the flanged edge 10 of the box-like member 9 is embraced by a corresponding peripheral lip 15 of an elastic membrane 16 that closes the open side of the same box-like member and, therefore, of the whole handle unit.
  • the flanged edge 10 of the box-like member 9 keeps the lip 15 of the membrane 16 bearing against the corresponding peripheral shoulder 3 of the hollow support frame 1, so that the membrane is capable of tightly isolating the interior of the handle unit from the outside ambient.
  • the membrane 16 is preferably made of a thermoplastic rubber material and is shaped so as to show a conformation hollowing out towards the interior of the handle unit. Furthermore, according to an aspect of the present invention, the membrane 16 forms a composite elastic shape-memory member with a lever-type rigid element 17 attached to the same membrane in correspondence of the inner surface thereof.
  • the lever element 17 may be made for instance of a material such as ABS and is preferably provided integral, i.e. as a single-piece construction with said membrane 16 by means of a twin-injection or similar composite moulding technique.
  • the lever element 17 carries integral therewith at least a pair of bosses 18 provided in a side-by-side arrangement and adapted to cooperate with respective saddles 6 so as to constitute a corresponding fulcrum for the lever 17, which carries integral therewith also a pushing jut 19 adapted to cooperate with the push-button 13 of the electric switch via the blade 14.
  • the composite member 16, 17 When the composite member 16, 17 is released, it returns into its resting position thanks to its shape-memory property, so that no need arises for a return spring to be provided to such a purpose, actually.
  • the automatic return of the component parts into the resting position thereof may be facilitated by at least an elastic boss and/or at least a tongue adapted to exert a mutual elastic pushing action between the box-like member 9 and the composite member 16, 17.
  • the tongue and/or boss will be advantageously provided integral with the box-like member 9 and the composite member, in particular the membrane 16, respectively.

Landscapes

  • Lock And Its Accessories (AREA)
  • Steering Controls (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)

Abstract

A hollow frame (1) adapted to be attached to the boot accommodates a box-like member (9) inside which there is provided a lever (17) actuating a switch (12). A front side of the box-like member is coupled to a corresponding edge of a flexible closing membrane (16). The membrane (16) and the lever (17) are provided in the form of a single composite elastic shape-memory member that normally keeps the lever (17) in the resting position thereof and enables it to rotate about a fulcrum (18), so as to actuate said switch (12), under a movement of elastic deformation of said composite member (16, 17).

Description

  • The present invention refers to an electromechanical handle unit for semi-automatically opening the boot, or similar compartment, of a motor-vehicle, in particular a motor-car.
  • The handle for opening the boot, or a rear door, or the like, of motor-vehicles is generally known to be preferably assisted, for actuation, by an electromechanical switch adapted to energize an electric motor, an electromagnet, or the like, in such a manner as to release, i.e. snap open the lock of the same boot, or similar compartment, with a minimum, negligible manual effort by the user.
  • Usually, such a handle unit mainly comprises a hollow support frame adapted to be attached to the boot (or, anyway, to the bodywork) of the motor-vehicle. This support frame in turn accommodates a box-like member, fastened on the rear side by means of screws, inside which there is hinged, by means of one or more transversal hinging pins, an actuating handle that is normally held in its resting position by at least a return spring.
  • Both the support frame and the box-like member have a cross-section in the shape of a substantially reverse U, each one of which has an open side defined by a flanged edge.
  • The flanged edge of the box-like member is embraced by a corresponding peripheral lip of a flexible membrane that closes said open side of the box-like member and, therefore, of the whole handle unit. At the same time, the flexible membrane allows for the handle to be operated from the outside so as to cause an inner jut thereof to actuate the electromechanical switch, which is also provided within said box-like member, so as to release the lock of the boot.
  • In particular, the flanged edge of the box-like member keeps the lip of the membrane bearing against a corresponding peripheral shoulder of the hollow support frame, so that the membrane is capable of tightly isolating the interior of the handle unit (in particular the electric component parts thereof) from the outside ambient.
  • Now, these prior-art solutions require a considerable number of parts which have to be assembled in an inconvenient and toilsome manner, whereby the fabrication, i.e. manufacturing of the whole handle unit on an industrial scale turns out to be undesirably expensive.
  • It therefore is a main purpose of the present invention to provide an electromechanical handle unit for opening the boot, or similar compartment, of a motor-vehicle, which has a particularly simple structure, with a reduced number of component parts that are easily assembled in a quick and low-cost manner.
  • According to the present invention, this aim is reached in an electromechanical handle unit incorporating the features and characteristics as recited and defined in the appended claims.
  • Features and advantages of the present invention will be more readily understood from the description that is given below by way of non-limiting example with reference to the accompanying drawings, in which:
    • Figures 1 and 2 are cross-sectional views of a preferred embodiment of the present invention, in respective operating conditions; and
    • Figure 3 is a perspective front view of a component part of the handle unit illustrated in Figures 1 and 2.
  • With reference to the accompanying Figures, the handle unit mainly comprises a hollow support frame 1, which is preferably made of plastic material and is adapted to be attached to the boot (or, anyway, to the bodywork) of a motor-vehicle in a per sé known (and not shown) manner. In this connection, the frame 1 may be integrated in a support body provided for the devices used to illuminate the number-plate of the vehicle, for instance of the kind described in EP-A-0 976 617.
  • The hollow frame 1 has a cross-section in the shape of substantially a reverse U , with an open front (lower, in the example illustrated in Figures 1 and 2) edge, defined by a flanged edge 2, in correspondence of which there is provided a peripheral shoulder 3. In correspondence of the opposite side 7, the frame 1 is provided with an aperture 4 and at least two juxtaposed ribs 5 protruding towards the edge 2. On these ribs 5 there are provided respective, substantially semi-circular or semispherical saddles 6 that are aligned with each other along a longitudinal axis of the frame 1.
  • The support frame 1 in turn accommodates a box-like member 9, which is attached on the rear side thereof by means of screws (not shown) passing for instance through holes 8 provided in the wall 7 of the frame.
  • Similarly to the frame 1, the box-like member 9 has a cross-section in the shape of substantially a reverse U , with an open front (lower, in the example being described) edge, defined by a flanged edge 10. On the opposite side 11, the box-like member 9 is provided with an aperture that is substantially aligned with the aperture 4 of the frame 1; through both these aperture there extends an actuating electromechanical switch 12 (mounted in a per sé known and not shown manner) adapted to energize an electric motor, an electromagnet, or the like, so as to unlock, i.e. release the lock of the boot of the motor-vehicle. Electric motor, lock and boot are of a generally known type and are not shown in the Figures.
  • In particular, the switch 12 extends into the box-like member 9 with an actuation push-button 13 that is preferably capable of being operated through a per sé known elastic pushing blade 14.
  • The flanged edge 10 of the box-like member 9 is embraced by a corresponding peripheral lip 15 of an elastic membrane 16 that closes the open side of the same box-like member and, therefore, of the whole handle unit. In particular, the flanged edge 10 of the box-like member 9 keeps the lip 15 of the membrane 16 bearing against the corresponding peripheral shoulder 3 of the hollow support frame 1, so that the membrane is capable of tightly isolating the interior of the handle unit from the outside ambient.
  • The membrane 16 is preferably made of a thermoplastic rubber material and is shaped so as to show a conformation hollowing out towards the interior of the handle unit. Furthermore, according to an aspect of the present invention, the membrane 16 forms a composite elastic shape-memory member with a lever-type rigid element 17 attached to the same membrane in correspondence of the inner surface thereof.
  • The lever element 17 may be made for instance of a material such as ABS and is preferably provided integral, i.e. as a single-piece construction with said membrane 16 by means of a twin-injection or similar composite moulding technique.
  • The lever element 17 carries integral therewith at least a pair of bosses 18 provided in a side-by-side arrangement and adapted to cooperate with respective saddles 6 so as to constitute a corresponding fulcrum for the lever 17, which carries integral therewith also a pushing jut 19 adapted to cooperate with the push-button 13 of the electric switch via the blade 14.
  • The operation of the handle unit according to the present invention is fully clear at this point. Normally, the composite shape- memory member 16, 17 member dwells in its resting position illustrated in Figure 1, in which the pushing member 18 is disengaged, i.e. released from the switch 12.
  • When the closing lock of the boot has on the contrary to be released, i.e. unlocked, all it takes is to act manually from the outside on the composite member 16, 17 so as to rotate the lever 17 about its fulcrum 18 until the pushing member 19 eventually actuates the push-button 13 of the switch, so as this is illustrated in Figure 2. Such a movement is allowed for by the elastic deformation of the composite member, in particular of the membrane 16.
  • When the composite member 16, 17 is released, it returns into its resting position thanks to its shape-memory property, so that no need arises for a return spring to be provided to such a purpose, actually.
  • This constructional simplification adds to the fact that the membrane 16, the actuating lever 17 and the respective fulcrum members 18 are provided in the form of a single composite member 16, 17.
  • As a result, the sharp reduction in the number of discrete parts required to make a handle unit according to the present invention can be readily appreciated, along with the resulting simplification in the assembly of the same parts.
  • It will be appreciated that the described handle unit may be subject to a number of modifications and variants without departing from the scope of the present invention.
  • So, for instance, the automatic return of the component parts into the resting position thereof may be facilitated by at least an elastic boss and/or at least a tongue adapted to exert a mutual elastic pushing action between the box-like member 9 and the composite member 16, 17. In any case, the tongue and/or boss will be advantageously provided integral with the box-like member 9 and the composite member, in particular the membrane 16, respectively.

Claims (6)

  1. Electromechanical handle unit for opening the boot, or similar compartment, of a motor-vehicle, comprising a hollow frame adapted to be attached to said boot and accommodating a box-like member within which there extend an actuating switch and a lever for the actuation of the same switch, said box-like member having an open front side whose peripheral edge is coupled to a corresponding edge of a flexible closing membrane, characterized in that said membrane (16) and said lever (17) are provided in the form of a single composite elastic shape-memory member adapted to normally keep the lever (17) in the resting position thereof and to allow for said lever to rotate about a fulcrum (18), so as to actuate said switch (12), under a movement of elastic deformation of said composite member (16, 17).
  2. Handle unit according to claim 1, characterized in that said lever (17) is rigid and extends in correspondence of a portion of the inner surface of the flexible membrane (16).
  3. Handle unit according to claim 1, characterized in that said fulcrum of the lever (17) is defined by at least a pair of juxtaposed bosses (18) provided integral with the lever and adapted to engage corresponding saddles (6) provided inside the hollow frame (1).
  4. Handle unit according to claim 1, characterized in that said lever (17) is adapted to actuate said switch (12) via pushing means (19) provided integral with said lever.
  5. Handle unit according to claim 1, characterized in that said composite member (16, 17) is shaped with a conformation hollowing out towards the interior of said box-like accommodating member (9).
  6. Handle unit according to claim 1, characterized in that said edge (15) of the flexible membrane (16) of said composite member is fitted in a tight manner between the peripheral edge (10) of said box-like member (9) and a corresponding peripheral shoulder (3) of the hollow frame (1).
EP02021583A 2001-11-15 2002-09-27 Electromechanical handle unit for opening the boot, or similar compartment, of a motor-vehicle Expired - Lifetime EP1329573B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2001PN000042U ITPN20010042U1 (en) 2001-11-15 2001-11-15 ELECTROMECHANICAL GROUP-HANDLE FOR THE OPENING OF THE TRUNK, OR SIMILAR, OF A VEHICLE.
ITPN20010042U 2001-11-15

Publications (3)

Publication Number Publication Date
EP1329573A2 true EP1329573A2 (en) 2003-07-23
EP1329573A3 EP1329573A3 (en) 2005-06-15
EP1329573B1 EP1329573B1 (en) 2006-11-02

Family

ID=11453281

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02021583A Expired - Lifetime EP1329573B1 (en) 2001-11-15 2002-09-27 Electromechanical handle unit for opening the boot, or similar compartment, of a motor-vehicle

Country Status (4)

Country Link
EP (1) EP1329573B1 (en)
AT (1) ATE344362T1 (en)
DE (1) DE60215760T2 (en)
IT (1) ITPN20010042U1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2865708A1 (en) * 2004-01-29 2005-08-05 Neyr Plastiques Holding Lock opening control module for vehicle casement e.g. tailgate, has layer covering support and vane of control unit and forming watertight joint on periphery of support, where layer is made of elastic material
ES2253962A1 (en) * 2003-12-19 2006-06-01 Valeo Sistemas De Seguridad Y De Cierre, S.A. Opening switch for back or inner doors for vehicle, has intermediate support divided into pair of pieces defining cavities for lodging micro switch
EP1803595A1 (en) * 2005-12-28 2007-07-04 HONDA MOTOR CO., Ltd. Door structure of vehicle
DE102006024292A1 (en) * 2006-05-24 2007-11-29 Huf Hülsbeck & Fürst Gmbh & Co. Kg Handle for electrically actuating a closure on a flap or door in a vehicle
US7763816B2 (en) 2005-04-05 2010-07-27 Huf Hulsbeck & Furst Gmbh & Co. Actuating device
CZ302584B6 (en) * 2006-06-26 2011-07-20 Brano A. S. Door grab handle, particularly door grab handle of vehicle fifth door

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5885038B2 (en) 2013-03-15 2016-03-15 株式会社ホンダロック Push button switch device for vehicle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0903453A2 (en) * 1997-09-23 1999-03-24 Valeo Sicurezza Abitacolo S.p.A. Vehicle door handle
EP0903454A2 (en) * 1997-09-23 1999-03-24 Valeo Sicurezza Abitacolo S.p.A. Vehicle door handle
US6098432A (en) * 1996-07-04 2000-08-08 Huf Hulsbeck & Furst Gmbh & Co. Kg Closure for doors, bonnets, tailgates or the like, in particular of vehicles, such as motor vehicles
DE10020172A1 (en) * 1999-04-23 2001-01-11 Valeo Sist S De Seguridad S A Vehicle door handle unlocked by microswitch has elastic membrane in handle opening to insulate actuating lever displaced by pressing on membrane and membrane's elastic deformation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6098432A (en) * 1996-07-04 2000-08-08 Huf Hulsbeck & Furst Gmbh & Co. Kg Closure for doors, bonnets, tailgates or the like, in particular of vehicles, such as motor vehicles
EP0903453A2 (en) * 1997-09-23 1999-03-24 Valeo Sicurezza Abitacolo S.p.A. Vehicle door handle
EP0903454A2 (en) * 1997-09-23 1999-03-24 Valeo Sicurezza Abitacolo S.p.A. Vehicle door handle
DE10020172A1 (en) * 1999-04-23 2001-01-11 Valeo Sist S De Seguridad S A Vehicle door handle unlocked by microswitch has elastic membrane in handle opening to insulate actuating lever displaced by pressing on membrane and membrane's elastic deformation

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2253962A1 (en) * 2003-12-19 2006-06-01 Valeo Sistemas De Seguridad Y De Cierre, S.A. Opening switch for back or inner doors for vehicle, has intermediate support divided into pair of pieces defining cavities for lodging micro switch
FR2865708A1 (en) * 2004-01-29 2005-08-05 Neyr Plastiques Holding Lock opening control module for vehicle casement e.g. tailgate, has layer covering support and vane of control unit and forming watertight joint on periphery of support, where layer is made of elastic material
US7763816B2 (en) 2005-04-05 2010-07-27 Huf Hulsbeck & Furst Gmbh & Co. Actuating device
EP1803595A1 (en) * 2005-12-28 2007-07-04 HONDA MOTOR CO., Ltd. Door structure of vehicle
DE102006024292A1 (en) * 2006-05-24 2007-11-29 Huf Hülsbeck & Fürst Gmbh & Co. Kg Handle for electrically actuating a closure on a flap or door in a vehicle
CZ302584B6 (en) * 2006-06-26 2011-07-20 Brano A. S. Door grab handle, particularly door grab handle of vehicle fifth door

Also Published As

Publication number Publication date
EP1329573A3 (en) 2005-06-15
DE60215760T2 (en) 2007-09-06
DE60215760D1 (en) 2006-12-14
ITPN20010042U1 (en) 2003-05-15
EP1329573B1 (en) 2006-11-02
ATE344362T1 (en) 2006-11-15

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