A trailer hitch assembly for a vehicle includes a generally tubular receiver configured for attachment to the vehicle, and having a central aperture formed by walls of the receiver. The receiver has a rearward end. A hitch member is slidably received within the central aperture and has an attachment
A trailer hitch assembly for a vehicle includes a generally tubular receiver configured for attachment to the vehicle, and having a central aperture formed by walls of the receiver. The receiver has a rearward end. A hitch member is slidably received within the central aperture and has an attachment portion configured for attachment to a trailer. The hitch member is movable between an extended position in which the attachment portion protrudes from the rearward end of the receiver for attachment to a trailer, and a retracted position in which the attachment portion is positioned inside the central aperture for storage.
대표청구항▼
1. A trailer hitch assembly for a vehicle comprising:a generally tubular receiver configured for attachment to the vehicle, having a central aperture formed by walls of the receiver and having a rearward end;a hitch member slidably received within the central aperture and having an attachment portio
1. A trailer hitch assembly for a vehicle comprising:a generally tubular receiver configured for attachment to the vehicle, having a central aperture formed by walls of the receiver and having a rearward end;a hitch member slidably received within the central aperture and having an attachment portion configured for attachment to a trailer, said hitch member being movable between an extended position in which the attachment portion protrudes from the rearward end of the receiver for attachment to a trailer, and a reacted position in which the attachment portion is positioned inside the central aperture for storage; anda retention pin configured to selective engage first and second apertures in the receiver and a retention aperture in the hitch member, wherein the retention pin retains the hitch member in the extended position when the retention pin engages the retention aperture and the first and second apertures, said retention pin including a portion protruding outside the receiver to facilitate removal of the retention pin. 2. The tailer hitch assembly of claim 1, wherein the retention pin may be positioned extending through the first and second apertures where the hitch member is in the retracted position to obstruct the rearward end of the central aperture to prevent the attachment portion from protruding through the rearward end of the central aperture. 3. The trailer hitch assembly of claim 1, further comprising a chain connecting the retention pin to the receiver. 4. The trailer hitch assembly of claim 2, wherein the attachment portion includes a pivotally movable hook member movable with respect to a V-shaped opening. 5. The trailer hitch assembly of claim 1, further comprising a second pin connected to the hitch member and abuttable against a stop member on the receiver to limit the extent of rearward travel of the hitch member with respect to the receiver. 6. The trailer hitch assembly of claim 5, wherein the receiver includes a top bar, side walls and first and second bottom bars, and wherein the first aperture is formed in the top bar and the second aperture is formed in the first bottom bar. 7. The trailer hitch assembly of claim 1, wherein the generally tubular receiver is substantially rectangular in vertical cross-section. 8. The trailer hitch assembly of claim 1, wherein the receiver and hitch member comprise steel components. 9. A trailer hitch assembly for a vehicle comprising:a generally tubular receiver configured for attachment to the vehicle, having a central aperture formed by walls of the receiver and having a rearward end;a hitch member slidably received within the central aperture and having an attachment portion configured for attachment to a trailer, said hitch member being movable between an extended position in which the attachment portion protrudes from the rearward end of the receiver for attachment to a trailer, and a retracted position in which the attachment portion is positioned inside the central aperture for storage;a retention pin configured to selectively engage first and second apertures in the receiver and a retention aperture in the hitch member, wherein the retention pin retains the hitch member in the extended position when the retention pin engages the retention aperture and the first and second apertures;wherein the retention pin may be positioned extending through the first and second apertures when the hitch member is in the retracted position to obstruct the rearward end of the central aperture to prevent the attachment portion from protruding through the rearward end of the central aperture. 10. The trailer hitch assembly of claim 9, further comprising a chain connecting the retention pin to the receiver. 11. The trailer hitch assembly of claim 9, wherein the attachment portion includes a pivotally movable hook member movable with respect to a V-shaped opening. 12. The trailer hitch assembly of claim 9, further comprising a second pin connected to the hitch member and abutta ble against a stop member on the receiver to limit the extent of rearward travel of the hitch member with respect to the receiver. 13. The trailer hitch assembly of claim 12, wherein the receiver includes a top bar, side walls and first and second bottom bars, and wherein the first aperture is formed in the top bar and the second aperture is formed in the first bottom bar. 14. The trailer hitch assembly of claim 9, wherein the generally tubular receiver is substantially rectangular in vertical cross-section. 15. The bailer hitch assembly of claim 9, wherein the receiver and hitch member comprise steel components. 16. A trailer hitch assembly for a vehicle comprising:a receiver configured for attachment to the vehicle, having a central aperture formed by walls of the receiver;a hitch member slidably received within the central aperture and having an attachment end configured for attachment to a trailer, said hitch member being movable between an extended position in which the attachment portion protrudes from the receiver for attachment to a trailer, and a retracted position in which the attachment portion is positioned entirely inside the central aperture for storage; anda retention pin removably positionable across a rearward end of the receiver to abut the attachment end of the hitch member to secure the bitch member in the retracted position and also positionable to penetrate the hitch member to secure the hitch member in the extended position. 17. The trailer hitch assembly of claim 16, further comprising a chain connecting the retention pin to the receiver. 18. The trailer hitch assembly of claim 16, wherein the attachment portion includes a pivotally movable hook member movable with respect to a V-shaped opening. 19. The trailer hitch assembly of claim 16, further comprising a second pin connected to the hitch member and abuttable against a stop member on the receiver to limit the extent of rearward travel of the hitch member with respect to the receiver.
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이 특허에 인용된 특허 (12)
La Roque Stanley R., Adjustably extensible trailer hitch assembly.
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