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1. US5890556 - Vehicle hood mounting system

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

[ EN ]
We claim:
1. A hood mounting system for use in mounting a hood to a vehicle, the vehicle having a frame and a cab, comprising:
at least one hinge assembly mounted between frontal portions of the hood and frontal portions of the frame; said at least one hinge assembly having first and second parts which are capable of substantial compliant relative movement therebetween in response to relative movements between the hood and frame during travel of the vehicle upon a roadway, said substantial compliant relative movement being in at least fore and aft directions to allow the hood to move relative to the frame in at least the fore and aft directions during said travel upon a roadway;
at least one pair of mating members, said at least one pair of mating members including a first mating member which is mounted to a rearward portion of the hood and a second mating member which is mounted upon the cab; said first and second mating members being disengaged when the hood is in an open position and engaged when the hood is in a closed position, is said first and second mating members positioning the hood relative to the cab when the first and second mating members are engaged;
whereby the first and the second mating members engage when in the engaged relative positions to thereby position the hood relative to the cab, and the at least one hinge assembly allows the hood to move in substantial compliant relationship relative to the frame.
2. The hood mounting system of claim 1 wherein the at least one hinge assembly comprises a pair of laterally spaced apart hinge assemblies carried by the frame and constructed and arranged to pivotally support the hood so as to facilitate access to an engine compartment defined at least in part therebelow.
3. The hood mounting system of claim 1 wherein the hinge assembly comprises a compliant isolator mount that allows at least fore and aft relative movement between the hood and the frame.
4. The hood mounting system of claim 3 wherein the compliant isolator mount further provides yaw and roll compliance between the hood and the frame.
5. The hood mounting system of claim 1 wherein the first and second mating members comprise a pair of mating male and female members, respectively.
6. The hood mounting system of claim 5 wherein the first mating member comprises a compliant pin and the second mating member comprises a complementary guide member.
7. The hood mounting system of claim 1 wherein the mating members comprise two laterally spaced apart pairs of first and second mating members.
8. The hood mounting system of claim 7 further comprising a hood latch retainer constructed and arranged to retain the hood in a lowered position, maintaining engagement of the pairs of first and second mating members.
9. The hood mounting system of claim 1 further comprising a hood latch retainer having a holddown strap and a hook, the strap and the hook constructed and arranged to releasably retain the first and the second mating members in compliant nested engagement therebetween, one of the strap and the hook being mounted to the cab and the other of the hook and the strap being mounted to the hood.
10. The hood mounting system of claim 1 wherein the hood and a cowl of the cab form an exterior gap therebetween, with the hood lowered and the pair of mating members engaged, in the range between 6 mm and 16 mm.
11. The hood mounting system according to claim 1 wherein the hinge assembly includes a rocker member pivotally connected to the hood.
12. The hood mounting system according to claim 1 wherein the hinge assembly includes a rocker member pivotally connected to the frame.
13. The hood mounting system according to claim 1 wherein the hinge assembly includes a rocker member pivotally connected to the hood and the frame.
14. The hood mounting system according to claim 1 wherein the hinge assembly includes a rocker member pivotally connected to the frame, the rocker member including at least one heel configured to limit pivotal movement of the rocker member with respect to the frame.
15. The hood mounting system according to claim 1 wherein the hinge assembly includes:
a support member connected to the frame;
a rocker member pivotally connected to the support member;
a resilient spacer intermediate the rocker member and the support member to provide compliance therebetween.
16. The hood mounting system according to claim 1 wherein the hinge assembly includes:
a support member connected to the frame;
a rocker member pivotally connected to the support member and the hood;
a resilient spacer intermediate the rocker member and the support member to provide compliance therebetween.
17. The hood mounting system according to claim 1 wherein the hinge assembly includes:
a support member connected to the frame;
a rocker member pivotally connected to the support member and the hood, the rocker member including at least one heel configured to limit pivotal movement of the rocker member with respect to the frame; and
a resilient spacer intermediate the rocker member and the support member to provide compliance therebetween.
18. The hood mounting system according to claim 1 wherein the hinge assembly includes a rocker member pivotally connected to the frame and the hood at two pivots, and at least one resilient member between the rocker member and at least one of said two pivots.
19. The hood mounting system according to claim 1 wherein the hinge assembly includes a rocker member pivotally connected to the frame and the hood at two pivots, and resilient members between the rocker member and said two pivots.
20. The hood mounting system according to claim 1 wherein the first and second mating members are configured to maintain a distance intermediate the hood and the cab during movement of the vehicle.
21. The hood mounting system according to claim 1 wherein the hinge assembly allows the hood to move in compliant relationship relative to the frame responsive to a force experienced by the hood as applied at least partially by the mating members.
22. The hood mounting system according to claim 1 wherein the compliant relative movement reduces loading of the hood.
23. A hood mounting system for use in mounting a hood to a vehicle, the vehicle having a frame and a cab, comprising at least one hinge assembly mounted between frontal portions of the hood and frontal portions of the frame; said at least one hinge assembly having first and second parts which are connected by at least one member which allows substantial compliant relative movement therebetween in at least fore and aft directions whereby the at least one hinge assembly allows the hood to move in compliant relationship relative to the frame in at least the fore and aft directions while the vehicle is moving upon a roadway.
24. The hood mounting system according to claim 23 wherein the hinge assembly allows the hood to move relative to the frame responsive to a force experienced by the hood.
25. The hood mounting system according to claim 23 wherein the compliant relative movement reduces loading of the hood.
26. The hood mounting system according to claim 23 wherein the hinge assembly includes a rocker member pivotally connected to the hood.
27. The hood mounting system according to claim 23 wherein the hinge assembly includes a rocker member pivotally connected to the frame.
28. The hood mounting system according to claim 23 wherein the hinge assembly includes a rocker member pivotally connected to the hood and the frame.
29. The hood mounting system according to claim 23 wherein the hinge assembly includes a rocker member pivotally connected to the frame, the rocker member including at least one heel configured to limit pivotal movement of the rocker member with respect to the frame.
30. The hood mounting system according to claim 23 wherein the hinge assembly includes:
a support member connected to the frame;
a rocker member pivotally connected to the support member;
a resilient spacer intermediate the rocker member and the support member to provide compliance therebetween.
31. The hood mounting system according to claim 23 wherein the hinge assembly includes:
a support member connected to the frame;
a rocker member pivotally connected to the support member and the hood;
a resilient spacer intermediate the rocker member and the support member to provide compliance therebetween.
32. The hood mounting system according to claim 23 wherein the hinge assembly includes:
a support member connected to the frame;
a rocker member pivotally connected to the support member and the hood, the rocker member including at least one heel configured to limit pivotal movement of the rocker member with respect to the frame;
a resilient spacer intermediate the rocker member and the support member to provide compliance therebetween.
33. The hood mounting system according to claim 23 wherein the hinge assembly includes a rocker member pivotally connected to the frame and the hood at two pivots, and at least one resilient member between the rocker member and at least one of said two pivots.
34. The hood mounting system according to claim 23 wherein the hinge assembly includes a rocker member pivotally connected to the frame and the hood at two pivots, and resilient members between the rocker member and said two pivots.
35. A vehicle comprising:
a frame;
a cab carried by the frame;
a hood carried by the frame and the cab;
at least one hinge assembly mounted between frontal portions of the hood and frontal portions of the frame; said at least one hinge assembly having first and second parts which respectively comprise an isolator assembly and a hood connection bracket capable of compliant relative movement therebetween in at least fore and aft directions, the isolator assembly being configured to pivotally carry the hood connection bracket;
at least one pair of mating members, said at least one pair of mating members including a first mating member which is mounted to a rearward portion of the hood and a second mating member which is mounted upon the cab; said first and second mating members being detachable into disengaged relative positions when the hood is opened and moved into engaged relative positions when the hood is closed;
whereby the first and the second mating members provide engagement therebetween when in the engaged relative positions to thereby position the hood relative to the cab, and the at least one hinge assembly allows the hood to move in compliant relationship relative to the frame.
36. The vehicle of claim 35 wherein the at least one hinge assembly comprises a pair of laterally spaced apart hinge assemblies carried by the frame and constructed and arranged to pivotally support the hood so as to facilitate access to an engine compartment defined at least in part therebelow.
37. The vehicle of claim 35 wherein the hinge assembly comprises a compliant isolator mount that allows at least fore and aft relative movement between the hood and the frame.
38. The vehicle of claim 35 wherein the first and second mating members comprise a pair of mating male and female members, respectively.
39. The vehicle of claim 35 wherein the first mating member comprises a compliant pin and the second mating member comprises a complementary guide member.
40. The vehicle of claim 35 wherein the male member comprises an elastomeric pin body having an elongate mating portion and an enlarged shoulder portion configured to limit insertion within the female member, and at least one fastener configured to mount the male member to one of the cab and the hood.
41. The vehicle of claim 40 wherein the female member comprises a guide member constructed and arranged to receive the male member elongate mating portion therein, with the male member enlarged shoulder portion in assembly being seating in engagement with a proximate end of the guide tube.
42. The vehicle of claim 35 wherein the mating members comprise two laterally spaced apart pairs of first and second mating members.
43. A hood hinge assembly for use in mounting a hood to a frame of a vehicle to provide a compliant relationship therebetween which allows at least fore and aft relative movement, comprising:
a support member for mounting the hinge assembly to the frame;
a rocker member pivotally connected to the support member along a first pivot axis;
at least one resilient spacer member disposed between the rocker member and the support member so as to impart compliance therebetween;
a pivot mount connected to the rocker member; said pivot mount serving to define a second pivot axis; and
a hood connection bracket pivotally connected to the pivot mount.
44. The hood hinge assembly of claim 43 wherein the pivot mount and the hood connection bracket comprise a hinge assembly pivotally carried by the rocker member in compliant relation with the support member.
45. The hood hinge assembly of claim 43 wherein the at least one resilient spacer member comprises first and second ring-shaped elastomeric bodies.
46. The hood hinge assembly of claim 45 wherein one of the ring-shaped elastomeric bodies comprises a reduced diameter portion configured to be received within an enlarged bore of the rocker member along the first pivot axis.
47. The hood hinge assembly of claim 46 further comprising a rigid substantially cylindrical sleeve received within an inner diameter bore of each of the ring-shaped elastomeric bodies, the sleeve configured to receive a mounting bolt therethrough to form a first pivot along the first pivot axis.
48. A hood hinge assembly for use in mounting a hood to a frame of a vehicle, comprising:
a support member for mounting the hinge assembly to the frame;
a rocker member pivotally connected to the support member along a first pivot axis;
a pivot mount connected to the rocker member; said pivot mount serving to define a second pivot axis;
a hood connection bracket pivotally connected to the pivot mount for pivotal movement about the second pivot axis;
said pivot mount including a retainer which is removable to allow disconnection of the hood connection bracket and any attached hood without disengaging the pivot mount from the rocker member.
49. A method involving a vehicle with a vehicle hood, frame and cab, for supporting the vehicle hood relative to the frame and the cab, to accommodate substantial relative movement between the frame and hood during travel of the vehicle upon a roadway, comprising the steps of:
mounting frontal portions of the hood upon the frame using at least one compliant hood mounting assembly which allows substantial fore and aft relative movement between the hood and frame during travel of the vehicle without adjustment by an operator;
having rearward portions of the hood be maintained in relatively coordinated positional relationship with respect to the cab;
whereby the hood moves in substantially coordinated positional relationship with the cab and in substantially variable positional relationship relative to the frame to allow substantial relative movement therebetween in at least fore and aft directions during travel of the vehicle upon the roadway.
50. A method according to claim 49 and further comprising mechanically coupling rearward portions of the hood to the cab using a detachable coupling.
51. A method according to claim 49 and further comprising mechanically coupling rearward portions of the hood to the cab using a detachable coupling which couples in a manner which allows some relative positional movement between the hood and cab.
52. A method according to claim 49 and further comprising:
mechanically coupling rearward portions of the hood to the cab using a detachable coupling which couples in a manner which allows some relative positional movement between the hood and cab;
suspending the cab relative to the frame.
53. A method according to claim 49 and further comprising suspending the cab relative to the frame.
54. The method according to claim 49 further comprising:
experiencing a force by the hood;
moving the hood relative to the frame using the compliant hood mounting assembly and responsive to the force.
55. The method according to claim 54 further comprising reducing loading of the hood responsive to the moving.
56. The method according to claim 49 further comprising coupling a rocker member intermediate the hood and the frame to allow rocking action of the rocker member and compliancy between the hood and frame.
57. The method according to claim 49 further comprising:
pivotally coupling a rocker member with the hood;
pivotally coupling the rocker member with the frame.
58. The method according to claim 49 further comprising:
pivotally coupling a rocker member with the hood;
pivotally coupling the rocker member with the frame;
limiting rotational movement of the rocker member with respect to the frame.
59. The method according to claim 49 further comprising:
pivotally coupling a rocker member to the frame;
providing a resilient spacer intermediate the rocker member and the frame.
60. The method according to claim 49 further comprising:
pivotally coupling a rocker member to the hood;
providing a resilient spacer intermediate the rocker member and the hood.
61. The method according to claim 49 further comprising:
pivotally coupling a rocker member with the hood and the frame at first and second pivots, respectively;
providing at least one resilient member between the hood and frame to provide compliance in combination with said rocker member.
62. The method according to claim 49 further comprising:
pivotally coupling a rocker member with the hood and the frame at first and second pivots, respectively;
providing a resilient member between the rocker and hood;
providing a resilient member between the rocker and the frame.
63. The method according to claim 49 further comprising:
pivotally coupling a rocker member with the hood;
pivotally coupling the rocker member with a support member of the frame;
limiting rotational movement of the rocker member with respect to the frame;
providing a resilient spacer intermediate the rocker member and the support member;
providing compliance using the resilient spacer.
64. A hood mounting system for use in mounting a hood to a vehicle, the vehicle having a frame and a cab, comprising:
at least one hinge assembly mounted between frontal portions of the hood and frontal portions of the frame; said at least one hinge assembly having first and second parts which are capable of compliant relative movement therebetween in at least fore and aft directions; the hinge assembly comprises a support member for mounting the hinge assembly to the frame, a rocker member pivotally connected to the support member along a first pivot axis, a pair of resilient spacer members disposed between the rocker member and the support member so as to impart compliance therebetween, a bushing connected to the rocker member in spaced apart relation with the first pivot axis, and a hood connection bracket pivotally connected to the pivot mount to define a second pivot so as to support the mounting bracket pivotally therefrom and to form a hinge supported in compliant rockered relation therealong;
at least one pair of mating members, said at least one pair of mating members including a first mating member which is mounted to a rearward portion of the hood and a second mating member which is mounted upon the cab; said first and second mating members being detachable into disengaged relative positions to allow the hood to be opened and moved into engaged relative positions to allow the hood to be closed;
whereby the first and the second mating members provide engagement therebetween when in the engaged relative positions to thereby position the hood relative to the cab, and the at least one hinge assembly allows the hood to move in compliant relationship relative to the frame.
65. The hood mounting system of claim 64 wherein the bushing comprises an elastomeric bushing block configured to be mounted within a complementary recess of the rocker member, and a substantially cylindrical sleeve constructed and arranged to be received within the bushing block and configured to receive a second pivot further comprising a mounting bolt therethrough.
66. The hood mounting system of claim 64 wherein the rocker member comprises a substantially rigid member having a clevis-shaped upper portion defining a recess therealong configured to receive the bushing, a central portion having a bore for receiving the first pivot axis, and a bottom portion having a pair of heels disposed laterally of a central axis of the bore, the pair of heels constructed and arranged to engage with the support member when pivoted so as to limit the amount of pivotal rocker motion of the rocker member in relation to the support member.
67. The hood mounting system of claim 66 wherein the fore and aft movement of the second pivot, resulting at least in part from rocker motion of the rocker member, is limited by contact between the heels and the support to a maximum of about 1.5 inches.
68. The hood mounting system of claim 64 wherein the clevis-shaped upper member of the rocker member further comprises a yoke and a retainer removably mounted to the yoke for entrapping the bushing therebetween.
69. A hood mounting system for use in mounting a hood to a vehicle, the vehicle having a frame and a cab, comprising:
at least one hinge assembly mounted between frontal portions of the hood and frontal portions of the frame; said at least one hinge assembly having first and second parts which are capable of compliant relative movement therebetween in at least fore and aft directions;
at least one pair of mating members, said at least one pair of mating members including a first mating member which is mounted to a rearward portion of the hood and a second mating member which is mounted upon the cab; said first and second mating members being detachable into disengaged relative positions to allow the hood to be opened and moved into engaged relative positions to allow the hood to be closed; wherein the first and second mating members comprise a pair of respective mating male and female members, the male member comprises an elastomeric pin body having an elongate mating portion and an enlarged shoulder portion configured to limit insertion within the female member, and at least one fastener configured to mount the male member to one of the cab and the hood;
whereby the first and the second mating members provide engagement therebetween when in the engaged relative positions to thereby position the hood relative to the cab, and the at least one hinge assembly allows the hood to move in compliant relationship relative to the frame.
70. The hood mounting system of claim 69 wherein the female member comprises a guide member constructed and arranged to receive the male member elongate mating portion therein, with the male member enlarged shoulder portion in assembly being seating in engagement with a proximate end of the guide member.