US20060087100A1 - Gooseneck trailer hitch - Google Patents
Gooseneck trailer hitch Download PDFInfo
- Publication number
- US20060087100A1 US20060087100A1 US10/973,903 US97390304A US2006087100A1 US 20060087100 A1 US20060087100 A1 US 20060087100A1 US 97390304 A US97390304 A US 97390304A US 2006087100 A1 US2006087100 A1 US 2006087100A1
- Authority
- US
- United States
- Prior art keywords
- torsion bar
- assembly
- trailer
- hitch
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/48—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting
- B60D1/488—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting mounted directly to the chassis of the towing vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/01—Traction couplings or hitches characterised by their type
- B60D1/06—Ball-and-socket hitches, e.g. constructional details, auxiliary devices, their arrangement on the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/24—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions
- B60D1/241—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions for suppressing noise generation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/48—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting
- B60D1/50—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting resiliently mounted
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D53/00—Tractor-trailer combinations; Road trains
- B62D53/04—Tractor-trailer combinations; Road trains comprising a vehicle carrying an essential part of the other vehicle's load by having supporting means for the front or rear part of the other vehicle
- B62D53/06—Semi-trailers
- B62D53/061—Semi-trailers of flat bed or low loader type or fitted with swan necks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D53/00—Tractor-trailer combinations; Road trains
- B62D53/04—Tractor-trailer combinations; Road trains comprising a vehicle carrying an essential part of the other vehicle's load by having supporting means for the front or rear part of the other vehicle
- B62D53/08—Fifth wheel traction couplings
- B62D53/0871—Fifth wheel traction couplings with stabilising means, e.g. to prevent jack-knifing, pitching, rolling, buck jumping
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S280/00—Land vehicles
- Y10S280/901—Adaptation of nonspecialized vehicles to semitrailer tractors
Definitions
- the present invention relates to a trailer hitch and, more specifically, a trailer hitch for a gooseneck trailer that prevents vibration and other erratic motion from the trailer from transferring to the vehicle during travel.
- Wheeled trailers are frequently towed behind vehicles to transport various items including boats, campers, horses, and other cargo. Many types of hitches have been developed to receive and tow a wheeled trailer.
- a disadvantage of conventional trailer hitches is that uneven road surfaces cause vibration resulting in wear and damage to the trailer hitch. Additionally, the vibration and erratic motion from the trailer tends to transfer through the hitch to the vehicle, thereby affecting the vehicle's performance. This problem is only exaggerated when the trailer is empty or hauling a light load. When the trailer is unloaded, bumps in the road will cause the trailer to pitch and move in an erratic fashion, pulling the vehicle from side to side.
- U.S. Pat. No. 5,851,021 by Van Kley discloses a complicated linkage assembly to reduce shocks that can be transmitted during towing, especially during starting or stopping on rough roads.
- the disadvantage of the Van Kley device is that it is difficult to assemble and costly to manufacture.
- Other trailers have been developed that include shock absorbers and other dampening devices for reducing the vibration and erratic motion of the trailer, particularly when the trailer is unloaded.
- U.S. Pat. No. 5,887,884 to Smith which teaches a trailer having a shock absorber.
- the disadvantage with trailers such as the Smith apparatus is that a consumer must upgrade any conventional trailers to include the shock absorbers taught by Smith. This can be costly, particularly if the consumer has multiple trailers for towing different types of cargo.
- Another object of this invention is to provide a trailer hitch that improves the ride of the towing vehicle by preventing vibration from transferring through a gooseneck hitch to the vehicle.
- a further object of this invention is to provide a gooseneck trailer hitch with a torsion bar that absorbs vibration and other erratic forces from the trailer.
- the present invention is for a gooseneck trailer hitch assembly that is mounted to the bed of a truck for hauling trailers.
- the assembly comprises an assembly housing having a top, bottom, sides and ends.
- the top has an opening that receives a ball hitch.
- the bottom has an opening that receives a sleeve for use in mounting the housing to the bed of a vehicle.
- Disposed within the housing is a torsion bar that dampens the vibration and erratic movement of the trailer from passing through to the vehicle.
- FIG. 1 is a perspective view of the hitch assembly of the present invention
- FIG. 2 is a side view of the hitch assembly of the present invention
- FIG. 3 is a top view of the hitch assembly of present invention.
- FIG. 4 is an end view of the hitch assembly of the present invention.
- FIG. 5 is an alternative embodiment of a hitch assembly of the present invention.
- the gooseneck trailer hitch assembly 10 of the present invention is mounted to the bed 12 of any conventional vehicle 14 .
- the assembly has a housing 16 having a top 17 , bottom 18 , sides 19 , and ends 20 .
- On the top 17 of the assembly housing 16 either attached or integrally formed to the assembly housing 16 , is a generally cylindrical mounting plate 22 .
- Centrally located in the mounting plate 22 is an opening 24 that receives a ball hitch 25 used to connect a gooseneck trailer (not shown) to the hitch assembly 10 .
- the assembly housing 16 is mounted to the bottom 18 of the assembly housing 16 .
- the sleeve is received within an opening 28 in the bed 12 of a vehicle 14 for mounting the assembly housing 16 to the vehicle 14 .
- the assembly housing 16 is of any shape.
- the torsion bar 32 Disposed within the housing is a torsion bar 32 .
- the torsion bar 32 has a metallic center member 34 that extends from one end of the assembly housing 16 to the opposite end. Surrounding the center member 34 is a resilient cushioning material 36 .
- the torsion bar 32 has a torsion bar housing 38 where the cushioning material 36 , which is preferably made of rubber, is positioned in the spacing between the center member 34 and the torsion bar housing 38 .
- the resilient cushioning material 36 comprises four pieces of a generally circular cross section that are compressed to fill the space between the corners of the torsion bar housing 38 and the center member 34 .
- the ball hitch 25 that is received within the opening 24 of the mounting plate 22 , engages the torsion bar 32 .
- a pair of mounting brackets 40 are attached to the bottom 18 of the assembly housing 16 and are used to mount the housing to the vehicle 14 .
- FIG. 5 shows an alternative embodiment wherein the hitch assembly 10 is mounted to the mounting tube 44 that extends from the front section of a trailer.
- the hitch assembly is connected to the mounting tube 44 in any conventional manner such as by welding the mounting tube 44 to the top 17 of the assembly housing 16 .
- a mounting sleeve 42 is received within or mounted to the bottom 18 of the assembly housing 16 .
- the mounting sleeve 42 fits over a ball hitch 25 to connect the hitch assembly 10 to the vehicle 14 .
- the hitch assembly 10 could be connected to the vehicle 14 in a number of alternative conventional ways.
- the gooseneck trailer is attached to the trailer hitch assembly at the ball hitch 25 .
- the torsion bar 32 within the housing 16 dampens the vibration from the trailer and reduces the transfer of erratic motion from the trailer to the vehicle 14 .
- the torsion bar 16 absorbs the vibration of the trailer transferred through the ball hitch 25 or the mounting tube 44 by rotating slightly which in turn compresses the resilient material 36 .
- the compression of the resilient material 36 absorbs the vibration and other erratic movement of the trailer particularly in an up and down and forward and rearward direction.
- the invention meets its stated objectives and provides for the towing of a trailer while reducing vibration and erratic movement.
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Vibration Prevention Devices (AREA)
- Vehicle Body Suspensions (AREA)
- Vibration Dampers (AREA)
Abstract
A trailer hitch having an assembly housing that is mounted to the bed of a vehicle, the assembly housing receiving a ball hitch that extends out of the top of the assembly housing, and a torsion bar disposed within the assembly housing to dampen the vibration of the trailer from transferring to the vehicle.
Description
- The present invention relates to a trailer hitch and, more specifically, a trailer hitch for a gooseneck trailer that prevents vibration and other erratic motion from the trailer from transferring to the vehicle during travel.
- Wheeled trailers are frequently towed behind vehicles to transport various items including boats, campers, horses, and other cargo. Many types of hitches have been developed to receive and tow a wheeled trailer.
- A disadvantage of conventional trailer hitches is that uneven road surfaces cause vibration resulting in wear and damage to the trailer hitch. Additionally, the vibration and erratic motion from the trailer tends to transfer through the hitch to the vehicle, thereby affecting the vehicle's performance. This problem is only exaggerated when the trailer is empty or hauling a light load. When the trailer is unloaded, bumps in the road will cause the trailer to pitch and move in an erratic fashion, pulling the vehicle from side to side.
- For gooseneck trailers, a few attempts have been made to solve this problem. For example, U.S. Pat. No. 5,851,021 by Van Kley discloses a complicated linkage assembly to reduce shocks that can be transmitted during towing, especially during starting or stopping on rough roads. The disadvantage of the Van Kley device is that it is difficult to assemble and costly to manufacture. Other trailers have been developed that include shock absorbers and other dampening devices for reducing the vibration and erratic motion of the trailer, particularly when the trailer is unloaded. One such example is U.S. Pat. No. 5,887,884 to Smith, which teaches a trailer having a shock absorber. The disadvantage with trailers such as the Smith apparatus is that a consumer must upgrade any conventional trailers to include the shock absorbers taught by Smith. This can be costly, particularly if the consumer has multiple trailers for towing different types of cargo.
- U.S. Pat. No. 5,823,560 to Van Vleet addresses the vibration problem by modifying the actual trailer hitch. In this manner, any trailer secured to the Van Vleet device will receive the cushioning effects of the Van Vleet device. The disadvantage with the Van Vleet device is that it requires the use of a complex ball hitch assembly, which is comprised of rigid steel parts. As such, the Van Vleet device provides very limited movement and shock dampening capabilities. Accordingly, there is a need in the art for an improved trailer hitch.
- It is therefore a principal object of this invention to provide a gooseneck trailer hitch that absorbs shock and vibrations from a gooseneck trailer.
- Another object of this invention is to provide a trailer hitch that improves the ride of the towing vehicle by preventing vibration from transferring through a gooseneck hitch to the vehicle.
- A further object of this invention is to provide a gooseneck trailer hitch with a torsion bar that absorbs vibration and other erratic forces from the trailer.
- These and other objects, features, or advantages of the present invention will become apparent from the specification and claims.
- The present invention is for a gooseneck trailer hitch assembly that is mounted to the bed of a truck for hauling trailers. The assembly comprises an assembly housing having a top, bottom, sides and ends. The top has an opening that receives a ball hitch. The bottom has an opening that receives a sleeve for use in mounting the housing to the bed of a vehicle. Disposed within the housing is a torsion bar that dampens the vibration and erratic movement of the trailer from passing through to the vehicle.
-
FIG. 1 is a perspective view of the hitch assembly of the present invention; -
FIG. 2 is a side view of the hitch assembly of the present invention; -
FIG. 3 is a top view of the hitch assembly of present invention; -
FIG. 4 is an end view of the hitch assembly of the present invention; and -
FIG. 5 is an alternative embodiment of a hitch assembly of the present invention. - With reference to
FIGS. 1 and 2 , the goosenecktrailer hitch assembly 10 of the present invention is mounted to thebed 12 of anyconventional vehicle 14. The assembly has ahousing 16 having atop 17,bottom 18,sides 19, and ends 20. On thetop 17 of theassembly housing 16, either attached or integrally formed to theassembly housing 16, is a generallycylindrical mounting plate 22. Centrally located in themounting plate 22 is an opening 24 that receives aball hitch 25 used to connect a gooseneck trailer (not shown) to thehitch assembly 10. - Mounted to the
bottom 18 of theassembly housing 16 is asleeve 26. The sleeve is received within an opening 28 in thebed 12 of avehicle 14 for mounting theassembly housing 16 to thevehicle 14. Theassembly housing 16 is of any shape. - Disposed within the housing is a
torsion bar 32. Thetorsion bar 32 has ametallic center member 34 that extends from one end of theassembly housing 16 to the opposite end. Surrounding thecenter member 34 is aresilient cushioning material 36. Alternatively, thetorsion bar 32 has atorsion bar housing 38 where thecushioning material 36, which is preferably made of rubber, is positioned in the spacing between thecenter member 34 and thetorsion bar housing 38. In an additional embodiment theresilient cushioning material 36 comprises four pieces of a generally circular cross section that are compressed to fill the space between the corners of thetorsion bar housing 38 and thecenter member 34. The ball hitch 25, that is received within the opening 24 of themounting plate 22, engages thetorsion bar 32. To provide additional mounting support, a pair ofmounting brackets 40 are attached to thebottom 18 of theassembly housing 16 and are used to mount the housing to thevehicle 14. -
FIG. 5 shows an alternative embodiment wherein thehitch assembly 10 is mounted to the mounting tube 44 that extends from the front section of a trailer. The hitch assembly is connected to the mounting tube 44 in any conventional manner such as by welding the mounting tube 44 to thetop 17 of theassembly housing 16. In this embodiment amounting sleeve 42 is received within or mounted to thebottom 18 of theassembly housing 16. Themounting sleeve 42 fits over aball hitch 25 to connect thehitch assembly 10 to thevehicle 14. One skilled in the art would appreciate that thehitch assembly 10 could be connected to thevehicle 14 in a number of alternative conventional ways. - In operation, the gooseneck trailer is attached to the trailer hitch assembly at the
ball hitch 25. As the trailer is transported thetorsion bar 32 within thehousing 16 dampens the vibration from the trailer and reduces the transfer of erratic motion from the trailer to thevehicle 14. When the trailer vibrates, thetorsion bar 16 absorbs the vibration of the trailer transferred through theball hitch 25 or the mounting tube 44 by rotating slightly which in turn compresses theresilient material 36. The compression of theresilient material 36 absorbs the vibration and other erratic movement of the trailer particularly in an up and down and forward and rearward direction. - From this description, it is therefore seen that the invention meets its stated objectives and provides for the towing of a trailer while reducing vibration and erratic movement.
Claims (13)
1. A gooseneck trailer hitch assembly mounted to the bed of a vehicle comprising:
an assembly housing mounted to the bed of the vehicle;
a ball hitch received within and extending out of the assembly housing; and
a torsion bar disposed within the assembly housing and below the ball hitch such that forces to the ball hitch in a direction of travel are absorbed by the torsion bar.
2. The assembly of claim 1 wherein a sleeve is mounted to the assembly housing to facilitate mounting the assembly housing to the bed of the vehicle.
3. The assembly of claim 1 wherein a top of the assembly housing has a mounting plate.
4. The assembly of claim 3 wherein the mounting plate has an opening that receives the ball hitch.
5. A trailer hitch assembly mounted to the front section of a trailer comprising:
an assembly housing connected to a mounting tube of the trailer; and
a torsion bar disposed within the housing and disposed directly above a ball hitch when the trailer is level and hitched to a vehicle.
6. The assembly of claim 5 further comprising a mounting sleeve mounted to a bottom of the assembly housing for mounting the assembly to the bed of the vehicle, said mounting sleeve being disposed directly under the torsion bar when the trailer is level.
7. A method of dampening forces in a direction of travel to a gooseneck trailer hitch assembly, the method comprising:
(a) operatively attaching a torsion bar to a motor vehicle;
(b) operatively, pivotally attaching a ball hitch to the torsion bar;
(c) disposing the ball hitch at a higher elevation than the torsion bar; and
(d) rotating a torsion bar center member relative to a torsion bar housing under the effect of forces in the direction of travel.
8. The method of claim 7 wherein operatively attaching the torsion bar to the motor vehicle comprises operatively attaching the torsion bar housing to the motor vehicle.
9. The method of claim 7 wherein operatively attaching the torsion bar to the motor vehicle comprises operatively attaching the torsion bar center member to the motor vehicle.
10. The method of claim 7 wherein disposing the ball hitch at a higher elevation than the torsion bar comprises disposing the ball hitch directly above the torsion bar when the motor vehicle is on a level surface.
11. The method of claim 7 wherein operatively attaching the torsion bar to the motor vehicle comprises:
(a) operatively attaching a sleeve to the torsion bar;
(b) inserting the sleeve into an opening in the vehicle; and
(c) operatively connecting the sleeve to the vehicle.
12. A method of dampening forces in a direction of travel to a gooseneck trailer hitch assembly, the method comprising:
(a) operatively, rigidly affixing a mounting tube to the gooseneck trailer;
(b) operatively affixing an assembly housing to a lower end of the mounting tube;
(c) disposing a torsion bar in the assembly housing;
(d) disposing a mounting sleeve directly beneath the torsion bar when the gooseneck trailer is level; and
(e) rotating a torsion bar center member relative to a torsion bar housing under the effect of forces in the direction of travel.
13. The method of claim 12 additionally comprising disposing a ball hitch inside the mounting sleeve directly beneath the torsion bar when the gooseneck trailer is level.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/973,903 US20060087100A1 (en) | 2004-10-26 | 2004-10-26 | Gooseneck trailer hitch |
US11/342,200 US7152870B2 (en) | 2004-10-26 | 2006-01-27 | Gooseneck trailer hitch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/973,903 US20060087100A1 (en) | 2004-10-26 | 2004-10-26 | Gooseneck trailer hitch |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/342,200 Division US7152870B2 (en) | 2004-10-26 | 2006-01-27 | Gooseneck trailer hitch |
Publications (1)
Publication Number | Publication Date |
---|---|
US20060087100A1 true US20060087100A1 (en) | 2006-04-27 |
Family
ID=36205518
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/973,903 Abandoned US20060087100A1 (en) | 2004-10-26 | 2004-10-26 | Gooseneck trailer hitch |
US11/342,200 Expired - Fee Related US7152870B2 (en) | 2004-10-26 | 2006-01-27 | Gooseneck trailer hitch |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/342,200 Expired - Fee Related US7152870B2 (en) | 2004-10-26 | 2006-01-27 | Gooseneck trailer hitch |
Country Status (1)
Country | Link |
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US (2) | US20060087100A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090127822A1 (en) * | 2007-11-20 | 2009-05-21 | Colibert Gregory J | Displaceable fifth-wheel hitch assembly adaptable for use with multiple vehicle hitch coupling systems |
US9050868B2 (en) | 2013-01-11 | 2015-06-09 | Midway Products Group, Inc. | Gooseneck hitch assembly |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2625417A1 (en) * | 2007-03-12 | 2008-09-12 | Colibert Enterprises, Inc. | Fifth-wheel hitch assembly adaptable for use with multiple vehicle hitch coupling systems |
US7775544B2 (en) * | 2007-05-31 | 2010-08-17 | Dexter Axle Company | Pin box assembly |
US9802452B1 (en) | 2014-10-22 | 2017-10-31 | B & W Custom Truck Beds, Inc. | Gooseneck hitch with dampening assembly and kingpin adaptor |
WO2020033586A1 (en) | 2018-08-07 | 2020-02-13 | Curt Manufacturing, Llc | Vibration minimization towing hitch |
US11820292B2 (en) * | 2021-08-19 | 2023-11-21 | Mod.Al Group, Inc. | Truck crane adapter assembly for a gooseneck hitch |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5016898A (en) * | 1990-05-08 | 1991-05-21 | Works Joseph W | Fifth wheel trailer hitch assembly for pickup trucks and flat bed vehicles |
US5513869A (en) * | 1994-12-14 | 1996-05-07 | Putnam; Rex D. | Fifth wheel with gooseneck |
US5851021A (en) * | 1996-11-04 | 1998-12-22 | Dethmers Manufacturing Company, Inc. | Shock absorbing trailer hitch |
US6494478B1 (en) * | 2000-09-19 | 2002-12-17 | Charles J. Mackarvich | Force responsive trailer hitch |
US20030178811A1 (en) * | 2002-03-07 | 2003-09-25 | Buckner Lynn Allan | Torsion trailer hitch |
US6698785B2 (en) * | 2000-11-08 | 2004-03-02 | Rubber Ride Hitches Ltd | Trailer impact suppression apparatus |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4253679A (en) * | 1979-08-29 | 1981-03-03 | Sargent Frank T | Trailer hitch carriage |
JP3739463B2 (en) * | 1995-12-29 | 2006-01-25 | 富士ゼロックス株式会社 | Optical scanning device |
US5887884A (en) | 1996-01-29 | 1999-03-30 | Smith; Philip E. | Trailer hitch apparatus |
US5823560A (en) | 1997-06-02 | 1998-10-20 | Van Vleet; Robert D. | Two way cushioning trailer hitch |
-
2004
- 2004-10-26 US US10/973,903 patent/US20060087100A1/en not_active Abandoned
-
2006
- 2006-01-27 US US11/342,200 patent/US7152870B2/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5016898A (en) * | 1990-05-08 | 1991-05-21 | Works Joseph W | Fifth wheel trailer hitch assembly for pickup trucks and flat bed vehicles |
US5513869A (en) * | 1994-12-14 | 1996-05-07 | Putnam; Rex D. | Fifth wheel with gooseneck |
US5851021A (en) * | 1996-11-04 | 1998-12-22 | Dethmers Manufacturing Company, Inc. | Shock absorbing trailer hitch |
US6494478B1 (en) * | 2000-09-19 | 2002-12-17 | Charles J. Mackarvich | Force responsive trailer hitch |
US6698785B2 (en) * | 2000-11-08 | 2004-03-02 | Rubber Ride Hitches Ltd | Trailer impact suppression apparatus |
US20040227326A1 (en) * | 2000-11-08 | 2004-11-18 | Peters Wledon J. | Trailer impact suppression apparatus |
US20030178811A1 (en) * | 2002-03-07 | 2003-09-25 | Buckner Lynn Allan | Torsion trailer hitch |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090127822A1 (en) * | 2007-11-20 | 2009-05-21 | Colibert Gregory J | Displaceable fifth-wheel hitch assembly adaptable for use with multiple vehicle hitch coupling systems |
US7988177B2 (en) * | 2007-11-20 | 2011-08-02 | Camco Manufacturing, Inc. | Displaceable fifth-wheel hitch assembly adaptable for use with multiple vehicle hitch coupling systems |
US9050868B2 (en) | 2013-01-11 | 2015-06-09 | Midway Products Group, Inc. | Gooseneck hitch assembly |
Also Published As
Publication number | Publication date |
---|---|
US7152870B2 (en) | 2006-12-26 |
US20060170192A1 (en) | 2006-08-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO PAY ISSUE FEE |