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US3352439A Expired / Lapsed US ⏱️ 0.0 years remaining

Ejector type load hauling wagon

Assignee: Individual
•
Filing: 1965-11-22
•
Granted: 1967-11-14
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Expires: 1985-11-22
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Abstract

No abstract record available.

Inventors

  • 👤 Hardwick Thomas Lee Richard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 13:22
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/02; B62D53/021; B60; B60P; B60P1/00; B60P1/006; B62D53/04; B62D53/06; B62D53/061

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 103 words
IN COMBINATION WITH A LOAD HAULING VEHICLE HAVING A BODY WITH AN OPEN TOP, SPACED SIDE WALLS, A BOTTOM AND AN OPEN FRONT END, A TRACTOR HAVING A GOOSENECK STRUCTURE INCLUDING A TRANSVERSELY EXTENDING DRAFT BAR CARRIED BY SAID GOOSENECK OF A LENGTH SUBSTANTIALLY THE SAME AS THE WIDTH OF THE INSIDE OF SAID WALLS OF SAID BODY, AND MEANS SECURING THE ENDS OF SAID DRAFT BAR TO THE INSIDE OF THE FRONT END OF SAID SIDE WALLS OF SAID BODY TO PREVENT LATERAL DISPLACEMENT THEREOF, SAID LAST NAMED MEANS INCLUDING FLANGE MEANS FOR DETACHABLY SECURING SAID DRAFT BAR TO SAID SIDE WALLS.
Claim 2
Dependent Claim 103 words
IN COMBINATION WITH A LOAD HAULING VEHICLE HAVING A BODY WITH AN OPEN TOP, SPACED SIDE WALLS, A BOTTOM AND AN OPEN FRONT END, A TRACTOR HAVING A GOOSENECK STRUCTURE INCLUDING A TRANSVERSELY EXTENDING DRAFT BAR CARRIED BY SAID GOOSENECK OF A LENGTH SUBSTANTIALLY THE SAME AS THE WIDTH OF THE INSIDE OF SAID WALLS OF SAID BODY, AND MEANS SECURING THE ENDS OF SAID DRAFT BAR TO THE INSIDE OF THE FRONT END OF SAID SIDE WALLS OF SAID BODY TO PREVENT LATERAL DISPLACEMENT THEREOF, SAID LAST NAMED MEANS INCLUDING FLANGE MEANS FOR DETACHABLY SECURING SAID DRAFT BAR TO SAID SIDE WALLS.
Claim 3
Dependent Claim 141 words
IN A REAR DUMP WAGON WHCIH COMPRISES A WAGON BODY HAVING A BOTTOM AND UPSTANDING SIDE WALLS AND AN OPEN REAR END, THE COMBINATION OF A TAILGATE NORMALLY CLOSING THE REAR END, END OF THE BODY, MEANS HINGING THE TAILGATE AT ITS NORMALLY SWINGING MOVEMENT FROM A CLOSED POSITION, FOR DOWNWARD SWINGING MOVEMENT FROM A CLOSED POSITION, MEANS FOR SELECTIVELY URGING SAID TAILGATE INTO SAID CLOSED POSITION, WEDGE MEMBERS HAVING NORMALLY FORWARDLY AND OUTWARDLY SLOPING SURFACES ON SAID TILGATE AND SPACED UPWARDLY FROM SAID NORMALLY LOWER END, WEDGE MEANS ON SAID SIDE WALLS AT THE REAR THEREOF, SAID WEDGE MEMBERS BEING ADAPTED TO ENGAGE SAID SIDE WALL WEDGE MEANS WHEN THE TAILGATE IS CLOSED TO URGE SAID SIDE WALLS TOWARD EACH OTHER INTO A PREDETERMINED RELATION AND TO PREVENT SPREAD OF SAID SIDE WALLS UNDER STRESS OF LOAD IN SAID BODY.
Claim 4
Dependent Claim 141 words
IN A REAR DUMP WAGON WHCIH COMPRISES A WAGON BODY HAVING A BOTTOM AND UPSTANDING SIDE WALLS AND AN OPEN REAR END, THE COMBINATION OF A TAILGATE NORMALLY CLOSING THE REAR END, END OF THE BODY, MEANS HINGING THE TAILGATE AT ITS NORMALLY SWINGING MOVEMENT FROM A CLOSED POSITION, FOR DOWNWARD SWINGING MOVEMENT FROM A CLOSED POSITION, MEANS FOR SELECTIVELY URGING SAID TAILGATE INTO SAID CLOSED POSITION, WEDGE MEMBERS HAVING NORMALLY FORWARDLY AND OUTWARDLY SLOPING SURFACES ON SAID TILGATE AND SPACED UPWARDLY FROM SAID NORMALLY LOWER END, WEDGE MEANS ON SAID SIDE WALLS AT THE REAR THEREOF, SAID WEDGE MEMBERS BEING ADAPTED TO ENGAGE SAID SIDE WALL WEDGE MEANS WHEN THE TAILGATE IS CLOSED TO URGE SAID SIDE WALLS TOWARD EACH OTHER INTO A PREDETERMINED RELATION AND TO PREVENT SPREAD OF SAID SIDE WALLS UNDER STRESS OF LOAD IN SAID BODY.
Claim 5
Dependent Claim 177 words
IN A EJECTOR TYPE LOAD HAULING VEHICLE, THE COMBINATION COMPRISING A BODY OEPN AT THE TOP AND HAVING SIDE WALLS HAVING FRONT AND REAR ENDS AND A BOTTOM, EJECTOR SIDE WALLS HAVING A TOP FORMING RAILS THEREON, AN EJECTOR ASSEMBLY INCLUDING SIDE CHANNEL MEMBERS MOVABLE LONGIDUDINALLY OF THE RAILS ON THE BODY SIDE WALLS AND A PUSHER PLATE EXTENDING INTO THE BODY IN CLOSELY SPACED RELATIONSHIP TO THE SIDE WALLS AND BOTTOM, SAID PUSHER PLATE HAVING A NORMAL POSITION AT THE FRONT OF THE BODY, ROLLERS MOUNTED ON SAID SIDE CHANNEL MEMBERS AND ENGAGING SAID RAILS FOR SUPPORTING THE EJECTOR ASSEMBLY ON THE BODY FOR MOVEMENTS LONGITUDINALLY THEREOF, ELONGATED HOUSINGS EXTENDING ALONGSIDE SAID CHANNEL MEMBERS AND RIGIDLY SECURED THERETO, ELONGATED HYDRAULIC CYLINDERS HAVING FRONT AND REAR ENDS AND MOUNTED AT BOTH OF SID ENDS IN SAID HOUSING AND MOVABLE THERWITH, SAID CYLINDERS HAVING EXTENSIBLE RODS WITH FREE ENDS CONNECTED TO SAID SIDE WALLS NEAR THE FRONT ENDS THEREOF, AND FLUID SUPPLY MEANS FOR SAID CYLINDERS FOR EFFECTING LONGITUDINAL MOVEMENTS OF SAID EJECTOR ASSEMBLY RELATIVE TO THE BODY.
Claim 6
Dependent Claim 177 words
IN A EJECTOR TYPE LOAD HAULING VEHICLE, THE COMBINATION COMPRISING A BODY OEPN AT THE TOP AND HAVING SIDE WALLS HAVING FRONT AND REAR ENDS AND A BOTTOM, EJECTOR SIDE WALLS HAVING A TOP FORMING RAILS THEREON, AN EJECTOR ASSEMBLY INCLUDING SIDE CHANNEL MEMBERS MOVABLE LONGIDUDINALLY OF THE RAILS ON THE BODY SIDE WALLS AND A PUSHER PLATE EXTENDING INTO THE BODY IN CLOSELY SPACED RELATIONSHIP TO THE SIDE WALLS AND BOTTOM, SAID PUSHER PLATE HAVING A NORMAL POSITION AT THE FRONT OF THE BODY, ROLLERS MOUNTED ON SAID SIDE CHANNEL MEMBERS AND ENGAGING SAID RAILS FOR SUPPORTING THE EJECTOR ASSEMBLY ON THE BODY FOR MOVEMENTS LONGITUDINALLY THEREOF, ELONGATED HOUSINGS EXTENDING ALONGSIDE SAID CHANNEL MEMBERS AND RIGIDLY SECURED THERETO, ELONGATED HYDRAULIC CYLINDERS HAVING FRONT AND REAR ENDS AND MOUNTED AT BOTH OF SID ENDS IN SAID HOUSING AND MOVABLE THERWITH, SAID CYLINDERS HAVING EXTENSIBLE RODS WITH FREE ENDS CONNECTED TO SAID SIDE WALLS NEAR THE FRONT ENDS THEREOF, AND FLUID SUPPLY MEANS FOR SAID CYLINDERS FOR EFFECTING LONGITUDINAL MOVEMENTS OF SAID EJECTOR ASSEMBLY RELATIVE TO THE BODY.

References Cited (Backward Citations)

US691031A Cited
US2179726A Cited
US2751096A Cited
US2876918A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-11-13 1971-05-15 1971-11-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-11-13 1975-05-15 1975-11-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-11-13 1979-05-15 1979-11-14 $7700.00 Window Closed / Lapsed

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