Power supply assembly for motorized vehicles

• US 8,267,210 B2
• Filed: 09/09/2008
• Issued: 09/18/2012
• Est. Priority Date: 10/08/2003
• Status: Active Grant

• Current Assignee: Pride Mobility Products Corporation
• Original Assignee: Pride Mobility Products Corporation
• Inventors: Kosco, James M., Goodell, Mark A., Jones, Colburn L.
• Primary Examiner(s): VANAMAN, FRANK BENNETT
• Application Number:
  US12/207,099
• Publication Number:
  US 20090000835A1
• Time in Patent Office: 1,470 Days
• Field of Search: 180/65.1, 180/68.5, 180/908, 180/907, 429/99, 429/121
• US Class Current: 180/68.5
• CPC Class Codes: B60K 1/04 of the electric storage means for propulsion exchanging batteries for electric propulsion of vehicles B60L53/80; for auxiliary purposes only B60R16/04; supplying batteries to, or removing batteries from, vehicles B60S5/06
• CPC Class Codes: B60K 2001/0455 Removal or replacement of the energy storages
• CPC Class Codes: B60K 2001/0466 from above
• CPC Class Codes: B60L 2200/24 Personal mobility vehicles
• CPC Class Codes: B60L 50/52 characterised by DC-motors
• CPC Class Codes: B60L 50/64 Constructional details of batteries specially adapted for electric vehicles
• CPC Class Codes: B60L 50/66 Arrangements of batteries
• CPC Class Codes: B60L 53/80 Exchanging energy storage elements, e.g. removable batteries
• CPC Class Codes: B60L 58/21 having the same nominal voltage
• CPC Class Codes: B60Y 2200/84 Wheelchairs
• CPC Class Codes: B60Y 2200/86 Carts; Golf carts
• CPC Class Codes: B62K 5/025 power-driven
• CPC Class Codes: H01M 50/204 Racks, modules or packs for multiple batteries or multiple cells
• CPC Class Codes: H01M 50/244 Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
• CPC Class Codes: H01M 50/249 specially adapted for aircraft or vehicles, e.g. cars or trains constructional details of batteries specially adapted for electric vehicles B60L50/64
• CPC Class Codes: H01M 50/262 with fastening means, e.g. locks
• CPC Class Codes: Y02E 60/10 Energy storage using batteries
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 90/12 Electric charging stations
• CPC Class Codes: Y02T 90/14 : Plug-in electric vehicles

Abstract

A vehicle having a plurality of wheels and elements, to drive at least one wheel to propel the vehicle is provided with a frame and a power supply assembly for delivering power to the drive elements. The power supply assembly includes a battery and a housing structure surrounding the battery. The power supply assembly is removeably supported on the vehicle frame. A latching mechanism is provided having a pivoting actuator. The actuator moves between a locking position and a release position. The actuator movement displacing a pin disposed in combination with the housing between a locking position, wherein the pin fixedly engages the power supply assembly to the frame, and a release position, wherein the pin disengages and permits the power supply assembly to be removed from the frame.

Claims

1. A vehicle of the type having at least one front wheel disposed in combination with a steering column, a pair of aft wheels, means for driving at least one of the wheels, a main structural frame having a forward frame portion for mounting the front wheel and the steering column, an aft frame portion for mounting the aft wheels, and a central support for structurally interconnecting the forward and aft frame portions, a seat-support mounted to the frame, and a system for distributing power to the driving means, the vehicle comprising:

a power supply assembly for delivering power to said power distribution system, the power supply assembly including a battery and a housing structure surrounding the battery, the power supply assembly removeably supported on the frame; and

a combined lifting and latching assembly comprising

a lifting handle pivotally mounted on the housing, the handle having a first position flush with the housing and a raised lifting position, the handle pivoting outboard from the housing from the first position to the raised lifting position;

an actuator operatively connected to the handle, the actuator movable between a locking position corresponding to the first position of the handle and a release position corresponding to the raised lifting position of the handle,

the actuator operatively connected to an elongated pin, the pin slidingly disposed for linear movement within the housing, the pin engaged by the actuator for movement between the locking position, wherein the pin fixedly engages the frame, and the release position, wherein the pin disengages from the frame and permits the power supply assembly to be removed from the frame by a lifting motion operatively supplied to the handle in the raised lifting position,

wherein the actuator comprises a cam surface formed as part of the handle and positioned in contact with the pin, the pivoting of the handle moving the cam surface and displacing the pin into and out of engagement with the frame.

2. The vehicle of claim 1, wherein the handle is geometrically blended with the housing structure in the first position.

3. The vehicle according to claim 1, wherein the housing comprises a recess, and the handle positioned within the recess in the first position and projecting from the recess in the raised lifting position.

4. The vehicle according to claim 1, wherein the pin comprises a tapered end that aligns with an aperture formed on the frame when the housing is supported on the frame.

5. The vehicle according to claim 1, wherein the pin in the locking position engages the frame to secure the housing to frame.

6. The vehicle according to claim 5, wherein the pin further comprises a ball catch on a projected end thereof, the pin aligning with and engaging the aperture on the frame and the ball catch engaging the frame to secure the pin to the frame in the locking position.

7. The vehicle according to claim 6, wherein the ball catch is released from engagement of the frame and the pin is withdrawn from the aperture when the actuator is moved to the release position.

8. The vehicle of claim 1 wherein the lifting and latching assembly further comprises a spring operatively connected to the pin for biasing the pin into contact with the actuator.

9. The vehicle of claim 8 wherein the bias of the spring operatively directs the pin towards the release position.

10. A vehicle of the type having at least one front wheel disposed in combination with a steering column, a pair of aft wheels, means for driving at least one of the wheels, a main structural frame having a forward frame portion for mounting the front wheel and the steering column, an aft frame portion for mounting the aft wheels, and a central support for structurally interconnecting the forward and aft frame portions, a seat-support mounted to the frame, and a system for distributing power to the driving means, the vehicle comprising:

a power supply assembly for delivering power to said power distribution system, the power supply assembly including a battery and a housing structure surrounding the battery, the power supply assembly removably supported on the frame; and

a combined lifting and latching assembly comprising

a lifting handle pivotally mounted on the housing, the handle having a first position flush with the housing and a raised lifting position, the handle pivoting outboard from the housing from the first position to the raised lifting position;

an actuator operatively connected to the handle, the actuator movable between a locking position corresponding to the first position of the handle and a release position corresponding to the raised lifting position of the handle,

the actuator operatively connected to an elongated pin, the pin slidingly disposed for linear movement within the housing, the pin engaged by the actuator for movement between the locking position, wherein the pin fixedly engages the frame, and the release position, wherein the pin disengages from the frame and permits the power supply assembly to be removed from the frame by a lifting motion operatively supplied to the handle in the raised lifting position,

wherein the pin in the locking position engages the frame to secure the housing to frame, and

wherein the pin is mounted within a bore within the housing, the pin having an outboard end projecting from the housing to engage the frame in the locking position.

11. The-vehicle according to claim 10 wherein the actuator comprises a cam surface formed as part of the handle and positioned in contact with the pin, the pivoting of the handle moving the cam surface and displacing the pin into and out of engagement with the frame.

12. A vehicle of the type having at least one front wheel disposed in combination with a steering column, a pair of aft wheels, means for driving at least one of the wheels, a main structural frame having a forward frame portion for mounting the front wheel and the steering column, an aft frame portion for mounting the aft wheels, and a central support for structurally interconnecting the forward and aft frame portions, a seat-support mounted to the frame, and a system for distributing power to the driving means, the vehicle comprising:

a power supply assembly for delivering power to said power distribution system, the power supply assembly including a battery and a housing structure surrounding the battery, the power supply assembly removably supported on the frame; and

a combined lifting and latching assembly comprising

a lifting handle pivotally mounted on the housing, the handle having a first position flush with the housing and a raised lifting position, the handle pivoting outboard from the housing from the first position to the raised lifting position;

an actuator operatively connected to the handle, the actuator movable between a locking position corresponding to the first position of the handle and a release position corresponding to the raised lifting position of the handle,

the actuator operatively connected to an elongated pin, the pin slidingly disposed for linear movement within the housing, the pin engaged by the actuator for movement between the locking position, wherein the pin fixedly engages the frame, and the release position, wherein the pin disengages from the frame and permits the power supply assembly to be removed from the frame by a lifting motion operatively supplied to the handle in the raised lifting position,

wherein the operative engagement of the pin and the actuator comprises a cam surface, wherein the movement of the actuator cam by means of the pivoting movement of the handle into the first position causes the pin to project from the housing into the locking position, and wherein the movement of the actuator cam during movement of the handle to the raised lifting position causes the pin to retract toward the housing into the release position.

13. A vehicle having a plurality of wheels for rolling support of the vehicle, a frame supporting to plurality of wheels, a seat mounted on the frame, means for driving at least one of the wheels for propelling the vehicle, and a system for controlling the distribution of electrical power to drive means, the vehicle comprising

a power supply assembly for delivering electrical power to said power distribution system, the power supply assembly comprising a housing encapsulating a battery therein;

a retention assembly for releaseably retaining the power supply assembly on the frame, the retention assembly comprising

an aperture formed on the frame, and

a latching mechanism for selectively engaging the aperture, the latching mechanism comprising

a pin slidingly disposed within a bore formed in the housing, the pin having an outboard end aligned with the aperture on the frame when the housing is supported on the frame, the pin engaging the frame in a first position wherein the outboard end of the pin is inserted into the aperture and wherein the pin is movable to a second position wherein the outboard end is withdrawn from the aperture,

a lifting handle pivotally connecting to the housing, the handle operatively connected to the pin, wherein the pivoting of the handle causes movement of the pin between the first and second positions, into and out of engagement with the frame aperture, wherein the pivotal position of the handle corresponding to the first position of the pin causes engagement of the housing to the frame, and

a spring biasing the pin into operative connection with the lifting handle and the lifting handle movement into the first position moves the pin opposite the bias of the spring.

14. The vehicle according to claim 13 wherein power supply assembly further comprises an electrical port for connecting the battery to an external power source for recharging.

15. The vehicle according to claim 13, wherein the frame further comprises a base support for accepting and positioning the power supply assembly on the frame.

16. The vehicle according to claim 13, further comprising a ball catch formed on the end of the pin, the ball catch engaging the aperture and retaining the pin therein, and disengaging from the aperture upon pivoting of the handle and displacing the pin away from the frame.

17. A power supply assembly for a vehicle having a frame, the power supply assembly comprising:

first and second housing structures for supporting and retaining first and second battery units, each of the housing structures being mountable on the frame of the vehicle and defining an inner cavity sized to accommodate a power supply unit inserted therein,

the first housing structure including a central body portion and a first overlapping portion of the housing structure extending outwardly from the central body portion of the housing structure, and

the second housing structure having a second body portion and a second overlapping portion of the housing structure formed within the second body portion of the housing structure, the second overlapping portion formed for vertically receiving and engaging the first overlapping portion, and the first overlapping portion vertically overlapping with the second overlapping portion,

wherein the first housing structure vertically retains the second housing structure by means of vertical engagement of the first and second overlapping portions when the first and second housing structures are mated together, and

wherein the first housing structure is vertically removable from the second housing structure to release the second housing structure.

18. The power supply assembly of claim 17 further comprising:

electrical connectors formed on the first and second housing structures, the connectors electrically connected to the first and second battery units supported in the respective housings,

wherein the electrical connectors are formed in the first and second overlapping portions and the first battery unit is electrically connected to the second battery unit through the electrical connectors when the housing structures are overlapping and vertically engaged.

19. The power supply assembly of claim 18 wherein the second battery unit may be electrically connected to the vehicle through electrical connectors formed on the second housing structure.

20. The power supply assembly of claim 17 wherein the second overlapping portion is defined by a recessed portion within the second housing structure, formed to receive and mate with the extension of the first overlapping portion, with the second overlapping portion engaging the first overlapping portion.

21. The power supply assembly of claim 17, further comprising a latching mechanism formed within at least one of the housing structures for releaseably securing the housing structures to the vehicle.

22. The power supply assembly of claim 21 wherein the latching mechanism comprises a moveable pin slideably retained within the at least one of the housing structures, the pin moveable between a locking position wherein the pin secures the housing structures to the frame and a release position wherein the pin moves away from the locking position.

23. The power supply assembly of claim 22 wherein the moveable pin is mounted within a bore with the at least one housing structure, the pin having an outboard end projecting from the housing to engage a vehicle frame in the locking position.

24. The power supply assembly of claim 22 wherein the latching mechanism further comprises a pivotably mounted lifting handle, the handle operatively connected to the pin for causing movement of the pin between the locking position and the release position as a result of the pivoting movement of the handle from a storage position to a lifting position.

25. The power supply assembly of claim 24 wherein the operative connection of the pin and the handle comprises an actuator cam, wherein movement of the actuator cam by the pivoting of the handle into the storage position causes the pin to project from the housing into the locking position, and wherein the movement of the actuator cam during movement of the handle to the lifting position causes the pin to retract toward the housing into the release position.

26. The power supply assembly of claim 24 wherein the handle is pivotably attached to the first housing structure and the pin is slidingly retained within the first housing structure.

27. The power supply assembly of claim 26 wherein the handle is retained within a recess within the first housing structure in a storage position, corresponding to the locking position of the pin and is pivoted away from the housing structure to the lifting position corresponding to the release position of the pin.