US3570694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separable wheel units for vehiclizing container
Assignee: Fruehauf Corp
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Filing: 1968-11-26
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Granted: 1971-03-16
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Expires: 1988-11-26
Abstract
Abstract The wheel units are releasably attached to the bottom corner sockets of a shipping container which raises the container on the wheels of the units when a hydraulic ram on the unit is extended.
Inventors
- 👤 Keith W Tantlinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:33
CPC Classifications
B; B60; B60B; B60B33/00; B60B33/0036; B60B33/0042; B60B33/04; B60B33/06; B65; B65D; B65D90/00; B65D90/12; B65D90/18
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
126 words
Separate wheel units for raising a transportabLe container having bottom corner sockets which are engageable by the units, each said units having a frame, pin means on said frame extendable into said sockets from the front and rear end of the container, each said frames having a ram including a cylinder and a piston rod mounted thereon, wheel means at one end of the rams, means for extending said rams for raising said pin means and the corners of the container onto said wheel means for supporting said container for transportation thereon, said pin means having a notch therein providing a hook engagement with the inner wall of said sockets and being the sole means for locking the units against removal when the container is raised.
Claim 2
Dependent Claim
126 words
Separate wheel units for raising a transportabLe container having bottom corner sockets which are engageable by the units, each said units having a frame, pin means on said frame extendable into said sockets from the front and rear end of the container, each said frames having a ram including a cylinder and a piston rod mounted thereon, wheel means at one end of the rams, means for extending said rams for raising said pin means and the corners of the container onto said wheel means for supporting said container for transportation thereon, said pin means having a notch therein providing a hook engagement with the inner wall of said sockets and being the sole means for locking the units against removal when the container is raised.
Claim 3
Dependent Claim
77 words
Separate wheel units for raising a transportable container as recited in claim 1, wherein the frame at the front end of the container is of such width as to support two of said pin means in position to enter the sockets at the corners of the front end of the container with the wheel means centrally disposed therebetween, and pivot means provided between said wheel means and said frame to permit the wheel means to be steered.
Claim 4
Dependent Claim
22 words
Separate wheel units for raising a transportable container as recited in claim 2, wherein a towbar is secured to said pivot means.
Claim 5
Dependent Claim
53 words
Separate wheels units for raising a transportable container as recited in claim 1, wherein two separate units are applied at the rear end of the container, and link means between said frames and rams which causes said pin means and the corners of the container to be raised when the rams are extended.
Claim 6
Dependent Claim
31 words
Separate wheel units for raising a transportable container as recited in claim 1, wherein a manual operable pump on each separate unit provides fluid to the ram for producing its extension.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-15 | 1974-09-14 | 1975-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-15 | 1978-09-14 | 1979-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-15 | 1982-09-14 | 1983-03-16 | $7700.00 | Window Closed / Lapsed |