EP0307978B1 - Safety device for a automobile front hood - Google Patents

Safety device for a automobile front hood Download PDF

Info

Publication number
EP0307978B1
EP0307978B1 EP19880201654 EP88201654A EP0307978B1 EP 0307978 B1 EP0307978 B1 EP 0307978B1 EP 19880201654 EP19880201654 EP 19880201654 EP 88201654 A EP88201654 A EP 88201654A EP 0307978 B1 EP0307978 B1 EP 0307978B1
Authority
EP
European Patent Office
Prior art keywords
hood
hook
handgrip
spring
automobile
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.)
Expired
Application number
EP19880201654
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0307978A1 (en
Inventor
Ezio Villa
Domenico De Felice
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.)
Fiat Auto SpA
Original Assignee
Fiat Auto 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 Fiat Auto SpA filed Critical Fiat Auto SpA
Publication of EP0307978A1 publication Critical patent/EP0307978A1/en
Application granted granted Critical
Publication of EP0307978B1 publication Critical patent/EP0307978B1/en
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
    • E05B83/16—Locks for luggage compartments, car boot lids or car bonnets
    • E05B83/24—Locks for luggage compartments, car boot lids or car bonnets for car bonnets

Definitions

  • This invention relates to a safety device for a front hood of an automobile.
  • hood fastening systems further devices for restraining the hood.
  • the hood fastening system can be operated from the interior of the passenger compartment, whereas the safety device which restrains the hood and retains it in a semi-open position is operated from the exterior of the automobile to allow full opening of the hood. This is desirable to prevent the front hood rising while the automobile is moving, due to either an erroneous manoeuvre or a strong accidental impact.
  • the problem therefore arises to provide a safety device for the opening of the front or engine hood, which comprises a lever for its operation but which has the advantage of maintaining the lever hidden when the hood is closed whereas is able to automatically move the safety hook operating lever into an easily accessible region when the engine hood opening control is operated from the interior of the passenger compartment.
  • the lever is pivoted at one end to the hook and rests with its other end on a bar of the front grille of the automobile within the outer profile of the grille.
  • the front end of the lever is caused to project from the grille and can be gripped by the user for releasing the hook.
  • the lever may be subjected to vibrations during running of the automobile and may give rise to damages to the grille and to noise. Furthermore, the device may loose its safety function in case the spring acting on the hook becomes faulty.
  • the present invention solves the above problem without having these drawbacks.
  • the solution given by the present invention is defined in claim 1.
  • the lever constantly maintains a stable position on the abutting wall of the automobile front during running of the automobile, and furthermore ensures engagement of the hook with the catch element even if the spring acting on the hook should become defective, so improving the safety characteristics of the device.
  • Figure 1 shows with continuous lines the device mounted in the automobile with the engine hood in a first closed position, whereas the dashed lines show the device when in the safety position.
  • Figure 2 is a view in the direction of the arrow II of Figure 1 showing the device before mounting in the automobile.
  • Figure 3 is a view of the control lever alone.
  • the reference numeral 10 indicates overall a front or engine hood formed from an external sheet metal portion 11 with a relative internal stiffening sheet metal portion 12, and a radiator protection grille 13 which is also rigid with the hood 10.
  • the reference numeral 14 indicates a front bumper (partly shown), and 15 and 16 indicate sheet metal portions forming a front cross-member 17.
  • the sheet metal portion 16 comprises an aperture 18 provided with a catch element 19.
  • a rivet 20 fixes the catch element 19 to the edge of said aperture 18 so that the catch element 19 is rigid with the front cross-member 17.
  • the sheet metal portion 12 carries a support 21 which is fixed by a threaded pad 22 and a screw 23 to the portion 12 and is thus rigid with the hood 10.
  • the support 21, which is of double-T shape in the figure there are rigid two lugs 24 which are disposed perpendicular to the intermediate portion of said double-T and are provided with a hole 25.
  • a pin 26 is inserted through said hole 25, and on it there is pivoted a safety hook 27 having an end ramp 41 which smoothly joins into an inclined wall 42.
  • Said hook 27 is retained in a first predetermined position corresponding to the complete closure of the hood by a spiral spring 28 centrally wound about said pin 26 and having two arms 29 and 31 which engage respectively in a hole 30 provided in one of the lugs 24, and in a hole 9 in the hook 27.
  • the control lever 37 consists of at least one preloaded spring to which a handgrip 38 is rigidly connected.
  • the ends of two arms 39 of the spring, which is a wire spring, are engaged in the seats 32 of the hook 27, and the ends of further arms 43 are rigidly connected to the handgrip 38.
  • Holes 40 provided in the support 21 are used for fixing the support 21 to the hood 10. As shown in Fig. 1, when the hood 10 is in its completely closed position, the handgrip 38 is hidden under the grille 13 and is unaccessible in said position.
  • the hood 10 At the moment in which the hood 10 is released from the inside of the passenger compartment, an elastic system (not shown) tends to raise the hood and consequently also the safety device which comes into operation at this point. In this respect, in its upward movement, the hood 10 also carries with it the hook 27 which is retained against the catch element 19 by the action of the spring 28.
  • the preloaded spring may consist of a pair of wire springs connected together at the ends of the arms 43 secured to the handgrip 38.

Landscapes

  • Superstructure Of Vehicle (AREA)
  • Lock And Its Accessories (AREA)
EP19880201654 1987-09-04 1988-08-01 Safety device for a automobile front hood Expired EP0307978B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2226387U IT211822Z2 (it) 1987-09-04 1987-09-04 Dispositivo di sicurezza per il cofano anteriore di una autovettura.
IT2226387U 1987-09-04

Publications (2)

Publication Number Publication Date
EP0307978A1 EP0307978A1 (en) 1989-03-22
EP0307978B1 true EP0307978B1 (en) 1992-05-20

Family

ID=11193836

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880201654 Expired EP0307978B1 (en) 1987-09-04 1988-08-01 Safety device for a automobile front hood

Country Status (4)

Country Link
EP (1) EP0307978B1 (es)
DE (1) DE3871298D1 (es)
ES (1) ES2031229T3 (es)
IT (1) IT211822Z2 (es)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19828164B4 (de) * 1997-07-04 2007-08-09 Volkswagen Ag Schwenkverbindung zwischen einem Schloßhebel und einem Entriegelungshebel eines Fronthaubenschlosses
DE19829824B4 (de) * 1997-07-11 2009-09-17 Volkswagen Ag Schloßgehäuse mit einem Gegenlager für ein hakenförmiges Schließglied

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3939768A1 (de) * 1989-12-01 1991-06-06 Bayerische Motoren Werke Ag Griff zum verschwenken eines klappbaren karosserieteils eines kraftfahrzeugs
DE4001141C1 (en) * 1990-01-17 1991-04-18 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De Safety catch for car bonnet - incorporates separate control hook and safety hook
DE4020473A1 (de) * 1990-06-27 1992-01-09 Audi Ag Vorrichtung zur sicherung einer verschwenkbaren motorhaube eines kraftfahrzeuges
GB2323406A (en) * 1997-03-18 1998-09-23 Rover Group Safety catch for vehicle bonnet
DE19823574B4 (de) * 1998-05-27 2006-06-29 Schloß- und Metallwarenfabrik Böddecker & Co. GmbH & Co. KG Motorhaubenverschluß für ein Kraftfahrzeug
EP3130730B1 (en) * 2015-08-12 2019-11-20 Volvo Car Corporation Safety catch release mechanism

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1023405B (it) * 1973-12-24 1978-05-10 Daimler Benz Ag Dispositivo per assicurare cofani o coperchi a cerniera in partico lare il cofano del motore di autoveicoli

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19828164B4 (de) * 1997-07-04 2007-08-09 Volkswagen Ag Schwenkverbindung zwischen einem Schloßhebel und einem Entriegelungshebel eines Fronthaubenschlosses
DE19829824B4 (de) * 1997-07-11 2009-09-17 Volkswagen Ag Schloßgehäuse mit einem Gegenlager für ein hakenförmiges Schließglied

Also Published As

Publication number Publication date
DE3871298D1 (en) 1992-06-25
IT211822Z2 (it) 1989-05-25
EP0307978A1 (en) 1989-03-22
IT8722263V0 (it) 1987-09-04
ES2031229T3 (es) 1992-12-01

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