Trailer and unloading device

• US 8,500,383 B2
• Filed: 08/03/2011
• Issued: 08/06/2013
• Est. Priority Date: 08/03/2010
• Status: Expired due to Fees

• Current Assignee: Hartzell H. Schmidgall
• Original Assignee: Hartzell H. Schmidgall
• Inventors: Schmidgall, Hartzell H.
• Primary Examiner(s): ADAMS, GREGORY W
• Application Number:
  US13/197,087
• Publication Number:
  US 20120034056A1
• Time in Patent Office: 734 Days
• Field of Search: 104/50, 193/32, 193/40, 198/314, 198/464.3, 198/468.6, 198/718, 198/726, 198/728, 198/746, 198/772, 198/777, 198/779, 414/24.5, 414/252, 414/253, 414/259, 414/276, 414/277, 414/294, 414/342, 414/345, 414/376, 414/390, 414/400, 414/429, 414/433, 414/458, 414/491, 414509-516, 414/548, 414/595, 414/661, 414/680, 4147462-7468
• US Class Current: 414/509
• CPC Class Codes: B60P 7/12 the load being tree-trunks, beams, drums, tubes, or the like
• CPC Class Codes: G05G 9/02 the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
• CPC Class Codes: Y10T 74/20012 Multiple controlled elements

Abstract

In one embodiment of a trailer and/or unloading device, a front and rear roller assembly and chock may be moved along the length of the trailer. The front and rear roller assemblies may each include two rollers that may be actuated between a first and second position. The chock may include a stop that may be actuated between a first and second position. The arrangement of front and rear rollers and chock allows the operator to unload a plurality of objects placed on the trailer deck, one object at a time, while remaining in the cab of a prime mover. The moving components of the trailer and/or unloading device may be powered hydraulically. The trailer and/or unloading device may include strategically placed cameras and a control panel for operating the various elements of the trailer and unloading device placed in the cab of the prime mover.

Claims

1. A trailer for unloading a generally cylindrical object, said trailer comprising:

a. a frame spanning the length of said trailer, wherein said frame comprises a first and a second I-beam rail;

b. a chock slidably engaged with said frame, wherein said chock is moveable in a first and second direction along the length of said frame, and wherein said first and second directions are located within a single plane, wherein said chock comprises a drive mechanism, wherein said drive mechanism is configured to move said chock in either said first or said second direction along the length of said frame;

c. a stop pivotally secured to said chock, wherein said stop may be actuated between a first and second position, wherein said first position is within said single plane, and wherein said second position is above said single plane, wherein a top surface of said pair of I-beam rails is slightly above said single plane, and wherein said I-beam rails are parallel with respect to one another;

d. a front roller assembly slideably engaged with said frame, wherein said front roller assembly is moveable in said first and second direction along the length of said frame, wherein said front roller assembly comprises two opposed front rollers, wherein said front rollers are configured to be actuated between a first and a second position, wherein said first position is within said single plane, and wherein said second position is above said single plane, and wherein said front rollers are mechanically engaged with an actuator;

e. a rear roller assembly slideably engaged with said frame, wherein said rear roller assembly is moveable in said first and second direction along the length of said frame and moveable along the length thereof, wherein said front roller assembly is positioned between said chock and said rear roller assembly, wherein said rear roller assembly comprises a drive mechanism, wherein said drive mechanism is configured to move said rear roller assembly in either said first or said second direction along the length of said frame, wherein said rear roller assembly comprises two opposed rear rollers, wherein said rear rollers are configured to be actuated between a first and a second position, wherein said first position is within said single plane, and wherein said second position is above said single plane, and wherein said rear rollers are mechanically engaged with an actuator; and

,

f. an unloader positioned at the rear end of said frame.

2. The trailer according to claim 1 wherein said trailer is further defined as comprising a plurality of cameras, wherein said plurality of cameras are positioned to capture images of said chock, said front roller assembly, said rear roller assembly, and an area adjacent said unloader.

3. The trailer according to claim 2 wherein said drive mechanism associated with said chock is further defined as comprising:

a. a motor;

b. a first fixed chain spanning the length of and positioned within said first I-beam rail;

c. a second fixed chain spanning the length of and positioned within said second I-beam rail;

d. a jack shaft pivotally mounted to said chock; and

,

e. a roller chain communicating rotational energy from said motor to said jack shaft.

4. The trailer according to claim 3 wherein said trailer is further defined as comprising a control panel, wherein said control panel allows an operator to manipulate the position of said chock, front roller assembly, and rear roller assembly along the length of said frame, and wherein said control panel allows said operator to actuate said stop, said front rollers, and said rear rollers between said first and second positions independently of one another.

5. The trailer according to claim 4 wherein said front roller assembly and said rear roller assembly are further defined as comprising a first pair of position wheels pivotally mounted to said front roller assembly and a second pair of position wheels pivotally mounted to said rear roller assembly.