Patent US3718227A successfully refreshed from Google Patents.
US3718227A
Expired / Lapsed
US
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A combination boat-automobile trailer
Assignee: Individual
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Filing: 1971-02-11
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Granted: 1973-02-27
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Expires: 1991-02-11
Abstract
Abstract A semi-trailer is disclosed for supporting both a boat, a boat trailer and an automobile. The trailer has a frame with a hoist on it adapted to carry a boat and boat trailer in an elevated position and to carry an automobile on the trailer below the boat.
Inventors
- 👤 M Swift
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:29
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/06; B60P3/10; B60P3/1033; B60P3/08
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
244 words
An automobile trailer having a frame for transporting an automobile and a boat on a trailer, hoist means on said automobile trailer for engaging said boat trailer frame for lifting said boat trailer to an elevated position on said frame for transportation, means to support said boat trailer for transportation in said elevated position while said automobile trailer is being towed behind a towing vehicle and a place for an automobile on said automobile trailer frame below said boat trailer support, means on said automobile trailer whereby said automobile may be supported on its wheels below said boat, said means for lifting said boat comprises, two laterally spaced first swinging arms hinged to said frame at a first position, said means to support said boat trailer comprising two laterally spaced second arms hinged to said frame at a second position, means on the distal ends of said arms for engaging means on a boat trailer, said arms being swingable to a position generally parallel to said trailer for lowering said boat, and means on said trailer for swinging at least one said arm to a vertical position whereby said boat is lifted to an elevated position, two laterally spaced columns are fixed to said trailer at a position spaced from said arms, said columns providing a space therebetween for said boat to be lifted to an elevated position, and means supported on said columns for supporting one end of said boat in elevated position.
Claim 2
Dependent Claim
244 words
An automobile trailer having a frame for transporting an automobile and a boat on a trailer, hoist means on said automobile trailer for engaging said boat trailer frame for lifting said boat trailer to an elevated position on said frame for transportation, means to support said boat trailer for transportation in said elevated position while said automobile trailer is being towed behind a towing vehicle and a place for an automobile on said automobile trailer frame below said boat trailer support, means on said automobile trailer whereby said automobile may be supported on its wheels below said boat, said means for lifting said boat comprises, two laterally spaced first swinging arms hinged to said frame at a first position, said means to support said boat trailer comprising two laterally spaced second arms hinged to said frame at a second position, means on the distal ends of said arms for engaging means on a boat trailer, said arms being swingable to a position generally parallel to said trailer for lowering said boat, and means on said trailer for swinging at least one said arm to a vertical position whereby said boat is lifted to an elevated position, two laterally spaced columns are fixed to said trailer at a position spaced from said arms, said columns providing a space therebetween for said boat to be lifted to an elevated position, and means supported on said columns for supporting one end of said boat in elevated position.
Claim 3
Dependent Claim
25 words
The trailer recited in claim 1 wherein two spaced second columns are provided rigidly attached to said trailer for attaching said first swinging arms thereto.
Claim 4
Dependent Claim
22 words
The trailer recited in claim 2 wherein said second arms are adapted to engage a said boat trailer with said boat thereon.
Claim 5
Dependent Claim
27 words
The trailer recited in claim 3 wherein said laterally spaced arms and said laterally spaced columns are sufficiently spaced to receive an automobile therebetween on said trailer.
Claim 6
Dependent Claim
161 words
A basic trailer for carrying a boat trailer and an automobile comprising, a basic trailer frame adapted to support an automobile thereon, a first column fixed to said trailer adjacent its forward end, spaced columns fixed to said trailer adjacent its rear end, two first laterally spaced links pivoted to said frame at their end, means on the distal ends of said spaced links for connecting to a boat trailer frame whereby one end of said boat trailer frame may be swung upwardly, means on said first column to fasten said first links thereto in vertical position, spaced second links attached to said basic frame at their lower ends and means to connect said second links to said boat trailer frame at their upper ends whereby said boat trailer forward end may be swung upwardly, and means on said second columns for supporting said front end of said boat trailer in position when it is swung upward by said second links.
Claim 7
Dependent Claim
161 words
A basic trailer for carrying a boat trailer and an automobile comprising, a basic trailer frame adapted to support an automobile thereon, a first column fixed to said trailer adjacent its forward end, spaced columns fixed to said trailer adjacent its rear end, two first laterally spaced links pivoted to said frame at their end, means on the distal ends of said spaced links for connecting to a boat trailer frame whereby one end of said boat trailer frame may be swung upwardly, means on said first column to fasten said first links thereto in vertical position, spaced second links attached to said basic frame at their lower ends and means to connect said second links to said boat trailer frame at their upper ends whereby said boat trailer forward end may be swung upwardly, and means on said second columns for supporting said front end of said boat trailer in position when it is swung upward by said second links.
Claim 8
Dependent Claim
58 words
The basic trailer recited in claim 5 wherein a winch is supported on said basic frame and a line from said winch is attached to the distal end of said first links, and means for connecting said line to the distal end of said second links whereby said links may be swung upwardly with said boat trailer thereon.
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) | 1976-02-27 | 1976-08-28 | 1977-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-27 | 1980-08-28 | 1981-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-27 | 1984-08-28 | 1985-02-27 | $7700.00 | Window Closed / Lapsed |