WO1981002872A1 - Enceinte de capot - Google Patents

Enceinte de capot Download PDF

Info

Publication number
WO1981002872A1
WO1981002872A1 PCT/US1980/000349 US8000349W WO8102872A1 WO 1981002872 A1 WO1981002872 A1 WO 1981002872A1 US 8000349 W US8000349 W US 8000349W WO 8102872 A1 WO8102872 A1 WO 8102872A1
Authority
WO
WIPO (PCT)
Prior art keywords
closure
spring
support
housing structure
spring biased
Prior art date
Application number
PCT/US1980/000349
Other languages
English (en)
Inventor
R Stedman
G Jackson
Original Assignee
R Stedman
G Jackson
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 R Stedman, G Jackson filed Critical R Stedman
Priority to PCT/US1980/000349 priority Critical patent/WO1981002872A1/fr
Publication of WO1981002872A1 publication Critical patent/WO1981002872A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
    • B62D25/12—Parts or details thereof

Definitions

  • This invention relates to housing structures and in particular to means for movably mounting a closure portion of a housing structure to provide controlled access to an enclosed space.
  • Mechanism for connecting the hood member to the frame includes a link pivotally connected to the hood member and to the frame, counterweighting spring means connected between the link and the hood member, and a second link pivotally connected to the hood mem ⁇ ber and to the frame for stabilizing the position of the hood member relative to the first link.
  • the springs oppose gravity irrespective of the angular position of the hood.
  • the present invention comprehends an improved means for mounting a closure of a housing structure so as to provide selectively a first position of the hood providing limited access to the enclosed space, and further movement of the hood from the first position to provide further access to the space as desired.
  • the closure mounting means may include spring means for effectively urging the closure to the 'limited access position upon release of retaining means normally retaining the closure in a space fully enclosing position.
  • different spring means are provided for effecting the automatic movement of the closure to the limited access position and for controlling movement of the closure beyond the limited access posi ⁇ tion to the full open position.
  • a single spring means is utilized for pivoting a carrier having one portion pivotally connected to the fixed support and another portion pivotally connected to the closure .
  • Means are provided for locking the carrier against piv ⁇ tal movement on the support when it is desired to swing the closure beyond the limited access position to which the closure is urged by the spring means upon release of the retaining means.
  • the means for retaining the carrier may comprise pin means arranged to be passed through aligned openings of the carrier and support when the closure is disposed in the limited access position.
  • the spring biasing means may be adjusted by manually operable adjusting means so as to provide controlled biasing force to the closure.
  • the retention of the carrier is effected by engagement of a portion thereof with the support effected automatically as an incident of movement of the closure to the limited access position.
  • the invention comprehends providing in a housing structure having a fixed support and a closure defining an enclosed space, im ⁇ proved means for mounting the closure to the support for providing controlled access to the space including means releasably retaining the closure in a first, space closing position, first spring biased means for lifting the closure on the support from the first po ⁇ sition to a second, raised position as a result of release of the retaining means, and second spring biased means for tilting the closure about a fixed pivot axis from the second position to a third space fully exposing, fully tilted position.
  • the invention comprehends providing in a housing structure means releasably retaining the closure in a first, space closing position, first spring biased means for lifting the closure on the support from the first position to a second, raised position as a result of release of the retaining means, and means effective upon movement of the closure to the second position for establishing a fixed pivot axis, the closure being manually tilt ⁇ able about the fixed pivot axis beyond the second position to provide further access to the space.
  • FIGURE 1 is a fragmentary perspective view of a vehicle having a housing structure embodying the invention
  • FIGURE 2 is a fragmentary vertical section illustrating one form of mounting means for providing controlled access to the enclosed space, embodying the invention
  • FIGURE 2A is a fragmentary section taken along the line 2-2 of Figure 2;
  • FIGURE 3 is a view similar to that of Figure
  • FIGURE 4 is a view similar to that of Figure
  • FIGURE 5 is a fragmentary view similar to that of Figure 3 but illustrating the arrangement of the structure in a center travel position intermediate the limited access and full access positions;
  • FIGURE 6 is a fragmentary view similar to that of Figure 3 but showing the structure as arranged in the full access position;
  • FIGURE 7 is a fragmentary section illustrating a modified form of mounting means embodying the invention.
  • FIGURE 8 is a view generaly similar to that of Figure 5 illustrating the closure in a limited access position in broken lines and in a full access position in full lines. Best Mode for Carrying Out the Invention
  • a housing structure generally designated 10 is shown to include a closure 11 which, in the illustrated embodiment, comprises the hood of a vehicle selectively enclosing the engine space 12 thereof.
  • a closure 11 which, in the illustrated embodiment, comprises the hood of a vehicle selectively enclosing the engine space 12 thereof.
  • the invention comprehends the utilization of the invention with any suitable form of closure 11, the engine hood form thereof being exemplary only.
  • the housing structure may further include a fixed support 13 upstanding from a base portion 14, as shown in Figure 2.
  • the invention comprehends the provision of an improved means generally designated 15 for mounting closure 11 to the support 13 for providing controlled access to space 12.
  • the mounting means includes means generally designated 16 for releasably retaining the closure 11 in a first, space closing position, as illustrated in Figures 1 and 2.
  • the mounting means further includes a first spring biased means generally designated 17 for lifting the closure 11 on support 13 from the first position of Figure 2 to a second, raised position illustrated in Figure 3, as a result of release of the retaining means 16 which normally holds the closure 11 in the space closing position of Figure 1.
  • the mounting means further includes second spring biased means generally designated 18 for assisting in tilting the closure 11 about a fixed pivot axis 19 from the second position of Figure 3 to a third position wherein the closure is tilted to a full open position wherein the space 12 is fully exposed, as illustrated in Figure 6.
  • the second spring biased means 18 functions to yieldingly resist tilting movement of the closure beyond a center position, as shown in Figure 5, to the full open position of Figure 6 and, reversely, assist in returning the closure to the center position when returning the closure to the disposition of Figure 2.
  • the first spring biased means 17 includes an extensible coil spring 20 having one end 21 connected to a bracket 22 at the upper end of the fixed support 13.
  • the other end 23 of the spring 20 is connected to a cable 24 entrained about a pulley 25 mounted to base 14 and connected at its end to a connection 26 at one end 27 of a link 28 swingably mounted to support 13 by a pivot 29 at the midportion 30 of the link.
  • the opposite end 31 of link 28 is pivotally connected to the sidewall 32 of closure 11 by a pivot 33.
  • link 28 is further provided with an aperture 34 at end 27 and disposed to be pinned to an apertured bracket 35 defined by the support 13 by means of the removable pin 35a when the link is swung about the axis of pivot 29 in a clockwise direction to position the closure 11 in a second, limited access position wherein the space 12 is partially exposed.
  • Spring 20 effects the automatic movement of the closure 11 to the position of Figure 3 upon release of the retaining means 16, as illustrated in Figures 2 and 3.
  • spring 20 urges link 28 in the clockwise direction to align aperture 34 with bracket 35 by the pulling action on the link effected through cable 24.
  • second spring means 18 provides an improved control of the pivotal movement of closure 11 about the fixed axis 19 in moving from the partial access position of Figure 3 to the full access position of Figure 6. More specifically, as best seen in Figure 3, second spring biased means 18 includes a second coil spring 37 having a first end 38 connected to bracket 22 and an opposite end 39 connected to the end 40 of an arm 41 fixedly extending from a hub 42 pivotally mounted on a pivotal support 43 carried on the closure sidewall 32, as shown in Figure 2a.
  • a cable 44 is trained about hub 42 and connected to a drum 45 having a crank opening 46 for adjustably rotating the drum so as to adjust the length of cable 44 from hub 42.
  • the windup of the cable on drum 45 may be locked by a latch 47 suitably engaging a mating recess 48 in the drum, with the latch being biased into engagement with the drum by a coil spring 49 mounted to the closure 11, as shown in Figure 3.
  • spring 37 is slightly extended in the closed position of the hood, the spring 37 being substantially relaxed in the partial access position of Figure 3.
  • the substantial spring force is utilized in assisting the user in swinging the hood in a counterclockwise direction, as shown by arrow 36, from the partial access position of Figure 4 through a centered position of Figure 5 to the final full access position of Figure 6 about the fixed axis 19.
  • the center of gravity reaches a maximum elevation at a position of the hood intermediate the partial open position of Figure 4 and the full open position of Figure 6, and thus, moves back downwardly from the center intermediate position of Figure 5 to the full open position.
  • the weight of the hood tends to maintain it in the full open position notwithstanding a reverse bias by the spring 37 in this arrangement, as shown in Figure 6.
  • spring 37 functions to urge the hood to the center position of Figure 5 and thus counter balances the hood in each of the partial access and full access positions.
  • the disposition of the center of gravity of the hood further tends to provide an overcentered weight disposition, tending to retain the hood in either of the partial access or full open positions.
  • the center of gravity maintains the hood in the open position against the biasing action of spring 37 to effectively preclude inadvertent closing of the hood from this position.
  • a modified form of housing structure generally designated 110 is shown to comprise a housing structure generally similar to housing structure 10 but utilizing a modified form of mounting means generally designated 115 utilizing a single control spring 117.
  • one end 121 of spring 117 is connected to the fixed support 113 and the opposite end 123 of spring 117 is connected to a midportion 130 of a link 128 having one end 127 pivotally connected to the support 113 by a pivot 129.
  • the opposite end 131 of the link is connected to the closure sidewall by a pivot 133.
  • the midportion of link 128 further defines an opening 134 which is disposed to be axially aligned with an opening 135 in support 113 when the closure 111 is swung to an intermediate position shown in broken lines in Figure 8, providing limited access to the enclosed space 112.
  • Such movement of the closure to the limited access broken line position of Figure 8 is effected automatically by spring 117 upon release of the retaining means 116 normally retaining the closure 111 in the closed position of Figure 7.
  • a pin 150 is extended through openings 134 and 135 to lock the link 128 against pivotal movement about pivot connection 129, thereby permitting the closure to be pivoted about its pivotal connection 133 to the link and, thus, be swung in a counterclockwise direction from the limited access position shown in broken lines to the full access position shown in full lines in Figure 8.
  • spring 117 is substantially extended in the closed position of the closure and thereby automatically urges the closure to the limited access position shown in broken lines in Figure 8.
  • the link 128 is effectively locked by pin 150 in fixedly securing the axis of pivot connection 133
  • the spring has no effect in controlling movement of closure 111 from the limited access position to the full access position of Figure 8.
  • the pivot connection 133 is disposed adjacent a midportion of the closure so as to permit facilitated manual swinging of the closure between the limited and full access positions in the use of the housing structure 110.
  • the housing structures 10 and 110 are useful in a wide range of different industrial applications.
  • the use of the improved mounting means for selectively positioning the closure of the housing structures is advantageously adapted for use in controlling the position of a vehicle hood so as to provide controlled access to the engine space enclosed by the hood.
  • the improved closure mounting means may be utilized in a wide range of industrial applications.
  • the mounting means 15 of the first disclosed embodiment provides the feature of assisting the operator of moving the closure beyond the limited access position to which the closure is automatically brought by the first spring means upon release of the retaining means.
  • the mounting means 115 of the second embodiment provides a simplified, low cost structure providing the desirable automatic movement of the closure to the limited access position and permitting facilitated manual swinging of the closure beyond the limited access position as desired by the user.

Abstract

Structure de montage (15, 115) servant a monter une enceinte (11, 111) permettant le mouvement automatique selectif jusqu'a une position d'acces limite et un mouvement manuel controle au-dela de la position d'acces limite jusqu'a une position completement ouverte, au choix. L'enceinte peut etre retenue dans la disposition renfermant l'espace par un dispositif de retenue (16, 116) permettant, lorsqu'il est relache, a la structure de montage de deplacer automatiquement l'enceinte jusqu'a la position d'acces limite exposant partiellement l'espace renferme (12, 112), Dans un mode de realisation, une paire de mecanismes a ressort (17, 18) sont prevus pour effectuer le mouvement automatique de l'enceinte jusqu'a la position d'acces limite et pour assister l'utilisateur lors du rabattement de l'enceinte au-dela de la position d'acces limite jusqu'a la position entierement ouverte. Dans un deuxieme mode de realisation, un seul mecanisme a ressort (117) est prevu pour effectuer le mouvement automatique souhaitable jusqu'a la position d'acces limite. Dans chaque mode de realisation, un axe a pivot fixe est fourni par une connexion pivotante (33, 133) d'une tige de commande (28, 128) du mecanisme a l'enceinte (11, 111) par la structure permettant de bloquer la tige et empecher tout mouvement pivotant lorsque l'enceinte est amenee dans la position d'acces limite. Un mecanisme manuel reglable (45, 45, 47, 48, 49) peut etre prevu pour regler la force du ressort du deuxieme mecanisme a ressort.
PCT/US1980/000349 1980-03-31 1980-03-31 Enceinte de capot WO1981002872A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/US1980/000349 WO1981002872A1 (fr) 1980-03-31 1980-03-31 Enceinte de capot

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/US1980/000349 WO1981002872A1 (fr) 1980-03-31 1980-03-31 Enceinte de capot
WOUS80/00349 1980-03-31

Publications (1)

Publication Number Publication Date
WO1981002872A1 true WO1981002872A1 (fr) 1981-10-15

Family

ID=22154265

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1980/000349 WO1981002872A1 (fr) 1980-03-31 1980-03-31 Enceinte de capot

Country Status (1)

Country Link
WO (1) WO1981002872A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2587963A1 (fr) * 1985-09-27 1987-04-03 Renault Vehicules Ind Dispositif d'articulation d'un capot de vehicule automobile
US5435406A (en) * 1993-11-16 1995-07-25 Chrysler Corporation Vehicle hood mounting arrangement
US5791428A (en) * 1995-10-03 1998-08-11 Navistar International Transportation Corp. Locking reduced-effort hood control apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2686340A (en) * 1953-07-02 1954-08-17 Multiple Products Corp Self-balancing door
US3051280A (en) * 1958-04-04 1962-08-28 Boeing Co Outward-opening plug type door for aircraft
US3419099A (en) * 1966-11-07 1968-12-31 Pacific Car & Foundry Co Truck hood
US3754613A (en) * 1971-10-28 1973-08-28 Pacific Car & Foundry Co Tilt hood assist spring
US4143904A (en) * 1978-02-27 1979-03-13 General Motors Corporation Station wagon tailgate

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2686340A (en) * 1953-07-02 1954-08-17 Multiple Products Corp Self-balancing door
US3051280A (en) * 1958-04-04 1962-08-28 Boeing Co Outward-opening plug type door for aircraft
US3419099A (en) * 1966-11-07 1968-12-31 Pacific Car & Foundry Co Truck hood
US3754613A (en) * 1971-10-28 1973-08-28 Pacific Car & Foundry Co Tilt hood assist spring
US4143904A (en) * 1978-02-27 1979-03-13 General Motors Corporation Station wagon tailgate

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2587963A1 (fr) * 1985-09-27 1987-04-03 Renault Vehicules Ind Dispositif d'articulation d'un capot de vehicule automobile
US5435406A (en) * 1993-11-16 1995-07-25 Chrysler Corporation Vehicle hood mounting arrangement
US5791428A (en) * 1995-10-03 1998-08-11 Navistar International Transportation Corp. Locking reduced-effort hood control apparatus

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