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US5082082A Expired / Lapsed US ⏱️ 0.0 years remaining

Multi-purpose service vehicle

Assignee: DJH ENGINEERING CENTER Inc A CORP OF UTAH
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Filing: 1990-08-17
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Granted: 1992-01-21
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Expires: 2010-08-17
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Abstract

Abstract A U-shaped multi-purpose service vehicle particularly adapted for transport and hauling comprising: A U-shaped frame having opposing sides and front ends connected by a front piece, and rear ends defining an open interior space in communication with an open front end; wheel mounts capable of pivoting attached to the opposing sides; a plurality of wheels independently suspended and rotatably attached to the wheel mounts; pivot means associated with the wheel mounts to pivot and turn each wheel in a desired direction; independent drive means associated with each wheel to rotate said wheels forward and backward; a power source operably associated with the pivot means and independent drive means; and control means mounted to the frame and associated with the drive means, pivot means, and power source to selectively activate the drive means and pivot means to align and drive each wheel at the desired speed and direction.

Inventors

  • 👤 Dusan J Hvolka

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 03:39
CPC Classifications
B; B62; B62D; B62D63/00; B62D63/02; B62D63/025; B60; B60L; B60L50/00; B60L50/10; B60P; B60P1/00; B60P1/02; B60P1/025; B60P1/64; B60P1/6409; B60P1/6418; B60P1/6427; B60L2200/00; B60L2200/26; B60L2200/36; B60L2220/00; B60L2220/40; B60L2220/44; B60L2260/00; B60L2260/20; B60L2260/28; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/70; Y02T10/7072; Y02T90/00; Y02T90/10; Y02T90/16

Claims Analysis

Total Claims: 19
Claim 1
Independent Claim 201 words
A U-shaped multi-purpose vehicle pulling and carrying system comprising: a plurality of multi-purpose vehicles each respectively having: a. a U-shaped frame supporting and defining the shape of the vehicle, with opposing sides and rear ends connected by a back piece, and front ends defining an open interior space in communication with an open front end of sufficient size to accommodate the respective rear ends of a corresponding U-shaped frame when inserted within the respective interior spaces of a corresponding second multi-purpose vehicle, b. wheel mounts capable of pivoting attached to the opposing sides, c. a plurality of wheels independently suspended and rotatably attached to the wheel mounts, d. pivot means associated with the wheel mounts to pivot and turn each wheel in a desired direction, e. independent drive means associated with each wheel to rotate said wheels forward and backward, f. a power source to operate the pivot means and independent drive means, and g. control means mounted to the frame and associated with the drive means, and pivot means to selectively activate the drive means and pivot means to align and drive each wheel at the desired speed and direction; with their U-shaped frames interconnected for pulling and carrying articles.
Claim 2
Dependent Claim 201 words
A U-shaped multi-purpose vehicle pulling and carrying system comprising: a plurality of multi-purpose vehicles each respectively having: a. a U-shaped frame supporting and defining the shape of the vehicle, with opposing sides and rear ends connected by a back piece, and front ends defining an open interior space in communication with an open front end of sufficient size to accommodate the respective rear ends of a corresponding U-shaped frame when inserted within the respective interior spaces of a corresponding second multi-purpose vehicle, b. wheel mounts capable of pivoting attached to the opposing sides, c. a plurality of wheels independently suspended and rotatably attached to the wheel mounts, d. pivot means associated with the wheel mounts to pivot and turn each wheel in a desired direction, e. independent drive means associated with each wheel to rotate said wheels forward and backward, f. a power source to operate the pivot means and independent drive means, and g. control means mounted to the frame and associated with the drive means, and pivot means to selectively activate the drive means and pivot means to align and drive each wheel at the desired speed and direction; with their U-shaped frames interconnected for pulling and carrying articles.
Claim 3
Dependent Claim 203 words
A U-shaped multi-purpose vehicle pulling and carrying system comprising: a plurality of multi-purpose vehicles each respectively having: a. a U-shaped frame supporting and defining the shape of the vehicle, with opposing sides and rear ends connected by a back piece, and front ends defining an open interior space in communication with an open front end of sufficient size to accommodate a second smaller multi-purpose vehicle, b. wheel mounts capable of pivoting attached to the opposing sides, c. a plurality of wheels independently suspended and rotatably attached to the wheel mounts, d. pivot means associated with the wheel mounts to pivot and turn each wheel in a desired direction, e. independent drive means associated with each wheel to rotate said wheels forward and backward, f. a power source to operate the pivot means and independent drive means, and g. control means mounted to the frame and associated with the drive means, and pivot means to selectively activate the drive means and pivot means to align and drive each wheel at the desired speed and direction; wherein the vehicles are progressively sized and structured to allow the smaller U-shaped vehicle to nest within the space defined by the U-shaped frame of the larger U-shaped vehicles.
Claim 4
Dependent Claim 203 words
A U-shaped multi-purpose vehicle pulling and carrying system comprising: a plurality of multi-purpose vehicles each respectively having: a. a U-shaped frame supporting and defining the shape of the vehicle, with opposing sides and rear ends connected by a back piece, and front ends defining an open interior space in communication with an open front end of sufficient size to accommodate a second smaller multi-purpose vehicle, b. wheel mounts capable of pivoting attached to the opposing sides, c. a plurality of wheels independently suspended and rotatably attached to the wheel mounts, d. pivot means associated with the wheel mounts to pivot and turn each wheel in a desired direction, e. independent drive means associated with each wheel to rotate said wheels forward and backward, f. a power source to operate the pivot means and independent drive means, and g. control means mounted to the frame and associated with the drive means, and pivot means to selectively activate the drive means and pivot means to align and drive each wheel at the desired speed and direction; wherein the vehicles are progressively sized and structured to allow the smaller U-shaped vehicle to nest within the space defined by the U-shaped frame of the larger U-shaped vehicles.
Claim 5
Dependent Claim 214 words
A U-shaped multi-purpose vehicle system comprising a plurality of multi-purpose vehicles each comprising: a. a uni-body U-shaped frame supporting and defining the shape of the vehicle, with opposing sides and rear ends connected by a back piece, and front ends defining an open interior space in communication with an open front end of sufficient size to accommodate respective rear ends of a corresponding U-shaped multi-purpose service vehicle's uni-body U-shaped frame when inserted within an interior space of a corresponding interior space of multi-purpose vehicle, said U-shaped frame further including frame structure to secure to the U-shaped frame within the interior space a plurality of loads, b. wheel mounts capable of pivoting attached to the opposing sides, c. a plurality of wheels independently suspended and rotatably attached to the wheel mounts, d. pivot means associated with the wheel mounts to pivot and turn each wheel in a desired direction, e. independent drive means associated with each wheel to rotate said wheels forward and backward, f. a power source to operate the pivot means and independent drive means, and g. control means mounted to the frame and associated with the drive means, and pivot means to selectively activate the drive means and pivot means to align and drive each wheel at a desired speed and direction.
Claim 6
Dependent Claim 214 words
A U-shaped multi-purpose vehicle system comprising a plurality of multi-purpose vehicles each comprising: a. a uni-body U-shaped frame supporting and defining the shape of the vehicle, with opposing sides and rear ends connected by a back piece, and front ends defining an open interior space in communication with an open front end of sufficient size to accommodate respective rear ends of a corresponding U-shaped multi-purpose service vehicle's uni-body U-shaped frame when inserted within an interior space of a corresponding interior space of multi-purpose vehicle, said U-shaped frame further including frame structure to secure to the U-shaped frame within the interior space a plurality of loads, b. wheel mounts capable of pivoting attached to the opposing sides, c. a plurality of wheels independently suspended and rotatably attached to the wheel mounts, d. pivot means associated with the wheel mounts to pivot and turn each wheel in a desired direction, e. independent drive means associated with each wheel to rotate said wheels forward and backward, f. a power source to operate the pivot means and independent drive means, and g. control means mounted to the frame and associated with the drive means, and pivot means to selectively activate the drive means and pivot means to align and drive each wheel at a desired speed and direction.
Claim 7
Dependent Claim 29 words
A U-shaped multi-purpose vehicle system according to claim 3, wherein the frame structure enables a plurality of loads to be interchangeably mounted within the opening of the U-shaped frame.
Claim 8
Dependent Claim 61 words
A U-shaped multi-purpose vehicle system according to claim 3, including a cab attached to the back piece of the frame, sized to accommodate an operator and the control means, and having at least one door through which an operator may enter and exit the cab, and at least one window through which the operator may view the environs surrounding the vehicle.
Claim 9
Dependent Claim 58 words
A U-shaped multi-purpose vehicle system according to claim 3, including: rotatably mounted electronic viewing means capable of receiving and transmitting picture signals attached to the frame and an electrical contact with a remote receiving viewing screen, and a remote control in communication with the control means to enable an operator to position the vehicle in the desired position.
Claim 10
Dependent Claim 32 words
A U-shaped multi-purpose vehicle system according to claim 3, wherein the drive means and power source comprises at least one internal combustion engine having a fuel supply operably associated with each wheel.
Claim 11
Dependent Claim 32 words
A U-shaped multi-purpose vehicle system according to claim 3, wherein the drive means and the power source comprise at least one electric motor having an electricity supply operably associated with each wheel.
Claim 12
Dependent Claim 23 words
A U-shaped multi-purpose vehicle system according to claim 3, including coupling means attached to the rear ends of the U-frame for pulling articles.
Claim 13
Dependent Claim 28 words
A U-shaped multi-purpose vehicle system according to claim 3, including an earthmover carrying bed module secured to the frame structure within the interior space of the U-shaped frame.
Claim 14
Dependent Claim 25 words
A U-shaped multi-purpose vehicle system according to claim 3, including a boom mounted utility module adapted to accommodate interchangeable attachments secured to the frame structure.
Claim 15
Dependent Claim 30 words
A U-shaped multi-purpose vehicle system according to claim 3, including a liquid carrying tank mounted on the frame structure within the interior space of the U-shaped frame for transporting liquids.
Claim 16
Dependent Claim 29 words
A U-shaped multi-purpose vehicle system according to claim 3, including a telescopic work platform system module mounted to the frame structure within the interior space of the U-shaped frame.
Claim 17
Dependent Claim 28 words
A U-shaped multi-purpose vehicle system according to claim 3, including a fifth wheel module system mounted to the frame structure within the interior space of the U-shaped frame.
Claim 18
Dependent Claim 28 words
A U-shaped multi-purpose vehicle system according to claim 3, including an aircraft tube module system mounted to the frame structure within the interior space of the U-shaped frame.
Claim 19
Dependent Claim 31 words
A U-shaped multi-purpose vehicle system according to claim 3, including a bed mounted rotating fork lift module system mounted to the frame structure within the interior space of the U-shaped frame.

References Cited (Backward Citations)

GB1059656A Cited
US3520429A Cited
US3905498A Cited
US3727938A Cited
US3877717A Cited
US4556356A Cited
US4950121A Cited
JPH02236695A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-01-20 1995-07-22 1996-01-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-01-20 1999-07-22 2000-01-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-01-20 2003-07-22 2004-01-21 $7700.00 Window Closed / Lapsed

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