IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0302480
(2002-11-22)
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발명자
/ 주소 |
- Landoll, Donald R.
- Gunter, Sterling W.
- Vacha, Keith
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
7 인용 특허 :
11 |
초록
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A trailer winch assembly (100) is provided for loading containers (52, 53, 94, 96) onto a trailer (50). The winch assembly (100) comprises two movable winch apparatuses (102, 104) mounted on a winch transport assembly (106). A wheel assembly (200) having a rigid wheel frame (202), a wheel (206) rota
A trailer winch assembly (100) is provided for loading containers (52, 53, 94, 96) onto a trailer (50). The winch assembly (100) comprises two movable winch apparatuses (102, 104) mounted on a winch transport assembly (106). A wheel assembly (200) having a rigid wheel frame (202), a wheel (206) rotatably and slidable supported in the wheel frame (202), and an attachment assembly (204) utilizes a jack (298) to raise the container onto the wheel. An off-load foot (350) including a downwardly extending leg (354) having a base (396) for engaging a ground surface (85) is utilized to off-load containers. A container lockdown mechanism (500) includes a securement member (504) attached to the trailer (50), an attachment member (502), and an extension member (506) extended between the container and the securement member (504) to hold the container (52) on the trailer (50). A bottom wheel assembly (600), an intermediate lockdown mechanism (700), a front lockdown mechanism (750), and a container foot (800) to transport the containers (52, 94, 96) with the wheel assemblies (600) and container foot (800) attached to the containers (52, 94, 96). The invention utilizes a universal mounting bracket (602) which can be used to mount a selected one of the wheel assembly (600), the container foot (800), and lockdown extensions (662, 664) which form part of the lockdown mechanisms (700, 750). The wheel assembly (600) includes three wheels (604, 606, 608) rotatably mounted on the mounting bracket (602) by a wheel axle (610) from which the lockdown extensions (662, 664) extend. The front and intermediate lockdown mechanisms (700, 750) each include a securement portion (702, 752) and a trailer attachment portion (704, 754). The container foot (800) includes a pivotally mounted platform (804), and the container foot (800) is held in a container foot receiving slot (814, 816) during transport.
대표청구항
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1. A method of off-loading a container having two front corner fittings and two rear corner fittings from a tilt-bed trailer comprising the steps of: attaching a foot to each rear corner fitting in such a manner that the feet are disposed to engage the ground when the trailer is tilted down to th
1. A method of off-loading a container having two front corner fittings and two rear corner fittings from a tilt-bed trailer comprising the steps of: attaching a foot to each rear corner fitting in such a manner that the feet are disposed to engage the ground when the trailer is tilted down to the ground; tilting the bed down to the ground to engage the feet with the ground; partially withdrawing the bed out from under the container while the feet engage the ground; elevating the rear of the bed until the feet are off the ground; detaching the feet from the container while the rear of the bed is elevated; tilting the bed back down to the ground to engage the rear of the container with the ground; and while the rear of the container engages the ground, withdrawing the bed out from under the remaining length of the container until the container is entirely on the ground. 2. A method of off-loading a container as claimed in claim 1, said attaching step being carried out while loading the container onto the trailer. 3. A method of off-loading a container as claimed in claim 2, said loading the container onto the trailer including placing the container progressively onto the tilted bed while the rear of the container engages the ground, said attaching step including elevating the rear of the bed after the container has been partially loaded onto the bed, securing the feet to the container while the rear of the bed is elevated, and tilting the bed back down toward the ground until the feet engage the ground, said loading the container onto the trailer further including continuing to place the container onto the tilted bed while the feet engage the ground and then elevating the bed into a level condition for transport of the container, further comprising leaving the feet on the container during transport of the container. 4. A method of off-loading a container as claimed in claim 3, said bed having a slot for each foot in a rear edge of the bed, said loading the container onto the trailer further including inserting the feet into the slots as the container is placed on the bed. 5. A method of off-loading a container as claimed in claim 4, further comprising using the feet received within the slots to assist in retaining the container in place on the trailer. 6. A method of off-loading a container as claimed in claim 1, further comprising the steps of attaching a wheel to each front corner fitting and loading the container onto the tilted bed of the trailer with the assistance of the wheels. 7. A method of off-loading a container as claimed in claim 6, further comprising the step of locking down the front corners of the container on the bed after the container has been fully loaded onto the bed.
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