IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0479986
(2002-06-06)
|
우선권정보 |
FR-01 07405(2001-06-06) |
국제출원번호 |
PCT/FR02/001940
(2002-06-06)
|
§371/§102 date |
20031208
(20031208)
|
국제공개번호 |
WO02/098722
(2002-12-12)
|
발명자
/ 주소 |
- Patin,Pierre
- Patin,Pierre Armand
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
6 |
초록
▼
The invention concerns an articulated vehicle comprising a rear frame (1) and a front frame (2) linked by an articulation (3) associated with the device (30, 6) for removably locking controlled by a pendular member (4, 62) mounted oscillating on the front frame (2) between a median position for unlo
The invention concerns an articulated vehicle comprising a rear frame (1) and a front frame (2) linked by an articulation (3) associated with the device (30, 6) for removably locking controlled by a pendular member (4, 62) mounted oscillating on the front frame (2) between a median position for unlocking the articulation and a spaced apart position for locking the articulation, at least when the vehicle is stopped. The vehicle comprises means (5) for controlling the unlocking of the articulation, at least during start-up, including an auxiliary platform (5) integral in rotation with the rear frame (1) and comprising, at least, two footrests (51) arranged at substantially the same level relative to the ground, on either side of the axis (x'x) of the articulation (3) and constituting each, on the side towards which the front frame (2) is inclined, a support for said front frame (2) to be set upright by the vehicle driver, the pendular member (4, 62) returning to its median position for unlocking the articulation.
대표청구항
▼
The invention claimed is: 1. Articulated vehicle traveling on the ground into a longitudinal direction, comprising: two chassis (1, 2) linked with each other by an articulation (3) rotating around longitudinal axis (x'x), parallel to the traveling direction, both said chassis having their mid plane
The invention claimed is: 1. Articulated vehicle traveling on the ground into a longitudinal direction, comprising: two chassis (1, 2) linked with each other by an articulation (3) rotating around longitudinal axis (x'x), parallel to the traveling direction, both said chassis having their mid planes intersecting in articulation axis, respectively i) a first chassis (1) resting on the ground by the means of a first rolling part (13) and centered on a first median plane (P1) perpendicular to the ground, and ii) a second chassis (2) resting on the ground by the means of a second rolling part (22), adjustable in relation to the traveling direction and centered on a second median plane (P2), able to be inclined in relation to the ground by rotation around articulation axis x'x, and a removable locking device (30, 6) of the articulation (3), comprising two parts (31, 61) ( 33, 64), integral in rotation, respectively of first and of second said chassis, and a removable locking device of articulation (3), comprising a pendulum type device (4) (62), controlling the integral rotation of said two parts, said pendulum type device (4) (62) being suspended to second chassis (2) and mounted oscillating in relation to the second median plane (P2), between a median position unlocking the articulation, wherein the second median plane (P 2) is adjusted in relation to a vertical determined by a combination of gravitational and centrifugal forces, and a spaced position locking the articulation (3), at least, at standstill of vehicle, by inclination of second chassis (2) in relation to the vertical, wherein said second chassis comprises a device (5) so as to command the unlocking of the articulation, at least at start of vehicle, constituted of an auxiliary platform, integral in rotation with first chassis (1), fitted with two footboards (51) substantially located at same level above ground, on either side of articulation axis (x'x), each of said footboard constituting, on the side the vehicle is slanted, a support, for the driver of vehicle, so as to raise said second chassis (2), with return of pendulum (4) (62) to its articulation unlocking median position. 2. Articulated vehicle as claimed in claim 1, wherein the articulation between the two chassis comprises a central axle (11), integral in rotation with one of the chassis (1), and is fitted with a tubular sheath (21), integral in rotation with other chassis (2), said sheath (21) being assembled on central axle (11) and mounted rotating on said axle around longitudinal axis (x'x). 3. Articulated vehicle as claimed in claim 2, wherein locking device (30) comprises a set of articulated bars constituting a deformable parallelogram, fitted with two spaced bars (31, 32), substantially parallel to the ground, respectively a first bar (31) integral in rotation with first chassis and a second bar ( 32), articulated around longitudinal axle (34) located on second chassis (2), in said second median plane (P2) of said chassis, and fitted with two side bars (33), located on either sides of said second median plane (P2), and parallel to said second median plane (P2), and wherein control pendulum device comprises a stiff beam (4) suspended as a pendulum to second chassis (2), located transverse between said two side bars ( 33), in a substantially horizontal direction, and bound with means (41) so as to lock in rotation at least with one of said side bars (33) with said beam (4) by traveling laterally said beam (4) in relation to said second median plane (P2). 4. Articulated vehicle as claimed in claim 3, wherein said vehicle comprises two carriages (41) mounted so as to slide on pendulum beam (4), each assembled with clearance on one of the side bar (33) of parallelogram (30), said carriages ( 41) moving freely along said corresponding side bars (33) as long as pendulum beam (4) remains perpendicular to said second median plane (P2) of second chassis, said carriages being fitted by devices (44, 45) locking the relative traveling of corresponding side bar (33), determining the integral in rotation of said side bar (33) with pendulum beam (4) as well as the locking of articulation (3) when said second median plane (P 2) of second chassis (2) tends to move away from the perpendicular direction to said beam (4). 5. Articulated vehicle as claimed in claim 3, wherein auxiliary platform (5) comprises two footboards (51) assembled respectively on the two side bars (33) of deformable parallelogram (30). 6. Articulated vehicle as claimed in claim 3, wherein transverse beam (4) is suspended as a pendulum to a part (24 ) integral in rotation with second chassis (2) by the means of two rods (42), articulated at their end around axis parallel to articulation axis (x'x) of the two chassis (1, 2), respectively, at an upper end to part (24) integral with second chassis (2), and at a lower end to transverse beam (4). 7. Articulated vehicle as claimed in claim 6, wherein the two suspension rods (42a, 42b) of beam (4) are mounted crosswise, each rod being articulated, respectively around a lower axis (43) on beam (4), and around an upper axis ( 43') on part (24) integral with second chassis (2), said two lower (43) and upper (43') axis of each rod ( 42) being located respectively on either side of said second median plane (P2) of second chassis (2). 8. Articulated vehicle as claimed in claim 3, wherein articulation comprises two parts, (11, 21), mounted rotating on each other around a longitudinal axis (x'x), said parts being integral in rotation, respectively, with first (1) and with second (2) chassis, wherein first transverse bar (31) of articulated set (30) is constituted with two brackets (31 a, 31b), strictly assembled onto first part (11) of articulation and located on either side of longitudinal axis (x'x), and in that the second transverse bar is constituted by an equalizer ( 32) articulated on a central part (24) of second chassis ( 2) around a longitudinal axis (34) located in said second median plane (P2) of said second chassis. 9. Articulated vehicle as claimed in claim 8, wherein second transverse bar (32) is articulated on a central column (24), strictly assembled onto second part (21) of articulation (3 ), and bearing at least one seat for the driver of vehicle. 10. Articulated vehicle as claimed in claim 1, wherein locking device (6) of articulation (3) comprises a first part, integral in rotation with first chassis (1) constituted by a collar (61) surrounding articulation axis (x'x) of the two chassis (1, 2), and a second part integral in rotation with second chassis (2), constituted by a bracket (64), located in said second median plane (P2) and transverse to articulation axis (x'x), inside the collar (61), and bound to a commanding pendulum type device fitted with a crutch suspended to one end of said bracket ( 64), around an axle (63) parallel to articulation axis (x'x) and located in median plane of second chassis, said crutch oscillating inside collar (61), and resting on said collar at its lower end (66), in case of inclination of said second median plane (P2 ) in relation to the direction of crutch, causing buttressing of said crutch on collar (61) and locking of the inclination of second chassis (2). 11. Articulated vehicle as claimed in claim 1, wherein vehicle is fitted with a removable bolting device (7), while traveling on the road, of pendulum device (4, 62), in its median position which frees articulation, and with a command system ( 72, 74) operating bolting device (7) at a traveling speed above a given value. 12. Articulated vehicle as claimed in claim 11, wherein bolting device (7) comprises a bolt (71), said bolt being removable between a spaced position releasing pendulum device (4, 62) SO as to locate said pendulum device in its median position, a speed detection device (76, 84), and a control device ( 72, 74) removing the bolt (71) from a spaced position into a bolted position, operated by the speed detector (76, 84) when the speed of vehicle is above a given value. 13. Articulated vehicle as claimed in claim 12, wherein control device (72, 74) removing the bolt (71) from a spaced position into its locked position, is operated electrically by impulses sent by a speed detector, at a time interval Ti inversely proportional to the traveling speed of vehicle, by the means of a temporized relay (8) comprising an impulse reception circuit U, a supply circuit Z for the control device (74) during a T2 time from the impulse, a primary closing circuit C1 for the supply circuit Z with a given T delay time after each impulse, and a secondary closing circuit C2 for the supply circuit Z from the impulse during a given TO time inferior to said T delay time, so as to close continuously supply circuit Z when T1 time between two impulses u1, u2 is inferior to T delay time of primary closing circuit C1, and to open continuously said supply circuit Z, in the opposite circumstance. 14. Articulated vehicle as claimed in claim 12, wherein control device removing the bolt (71) is a lever (72) pushed towards the direction so as to lock bolt (71), against the action of a return spring (73) conjugated with a controlled leakage by the means of a pusher (78) mounted on a piston ( 81) of a first jack (80) supplied by a circuit (82) receiving impulses, each of one determining the transfer of a certain amount of hydraulic fluid into the chamber of jack (80), so as to push piston (81) and pusher (78) towards the direction so as to lock bolt (71), said impulses being generated by the means of a speed detector (75), at a frequency determined by the traveling speed of vehicle. 15. Articulated vehicle as claimed in claim 1, wherein said vehicle comprises two footboards (25) for the driver, assembled onto second chassis (2), on either sides of said second median plane (P2). 16. Articulated vehicle as claimed in claim 1, wherein locking device (30) comprises a set of articulated bars constituting a deformable parallelogram, fitted with two spaced bars ( 31, 32), substantially parallel to the ground, respectively a first bar (31) integral in rotation with first chassis and a second bar (32), articulated around longitudinal axle (34) located on second chassis (2), in said second median plane (P 2) of said chassis, and fitted with two side bars (33), located on either sides of said second median plane (P2), and parallel to said mid second median plane, and wherein control pendulum device comprises a stiff beam (4) suspended as a pendulum to second chassis (2), located transverse between said two side bars (33), in a substantially horizontal direction, and bound with means (41) so as to lock in rotation at least with one of said side bars (33) with said beam (4) by traveling laterally said beam (4) in relation to said second median plane (P2). 17. Articulated vehicle as claimed in claim 4, wherein auxiliary platform (5) comprises two footboards (51) assembled respectively on the two side bars (33) of deformable parallelogram (30). 18. Articulated vehicle as claimed in claim 2, wherein locking device (6) of articulation (3) comprises a first part, integral in rotation with first chassis (1) constituted by a collar (61) surrounding articulation axis (x'x) of the two chassis (1, 2), and a second part integral in rotation with second chassis (2), constituted by a bracket (64), located in said second median plane (P2) and transverse to articulation axis (x'x), inside the collar (61), and bound to a commanding pendulum type device fitted with a crutch suspended to one end of said bracket ( 64), around an axle (63) parallel to articulation axis (x'x) and located in median plane of second chassis, said crutch oscillating inside collar (61), and resting on said collar at its lower end (66), in case of inclination of said second median plane (P2 ) in relation to the direction of crutch, causing buttressing of said crutch on collar (61) and locking of the inclination of second chassis (2).
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