US4932830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor vehicle and boat trailer
Assignee: Individual
•
Filing: 1989-03-17
•
Granted: 1990-06-12
•
Expires: 2009-03-17
Abstract
Abstract An automobile/boat trailer for transporting an automobile with a boat supported above the automobile. Four corner vertical support columns are mounted on a trailer having standard rails for supporting an automobile. A boat trailer cradle is mounted so as to be vertically slidable along the support columns. Cables are attached to the trailer cradle and pass over pulleys secured to the top of each column. The cables are secured at their other ends to a winch for raising and lowering the boat cradle. Safety locks are provided for preventing the lowering of the boat cradle if the cables fail to support the cradle.
Inventors
- 👤 Clarence A. Woodburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:33
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/06; B60P3/08; B60P3/10; B60P3/1033
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
169 words
A vehicle/boat trailer for transporting a vehicle with a boat supported above the vehicle comprising a vehicle transport frame having wheels, supporting rails, and a trailer hitch; a vertical column mounted substantially at each corner of said transport frame; a boat cradle; means for slidably mounting said boat cradle about said vertical columns; a pulley mounted substantially at the top of each column; a cable mounted at one end to each mounting means and passing over the adjacent pulley; winch means; means for connecting the other end of said cables to said winch means for raising and lowering said boat cradle; spring-actuated safety lock means permanently secured between each of said slidable mounting means and said vertical columns for supporting said boat cradle in the event of a cable failure; and longitudinal braces removably secured between said vertical columns and transverse braces removably secured between said vertical columns and said boat cradle, said transverse braces being secured to said column when said boat cradle is in its raised position.
Claim 2
Dependent Claim
169 words
A vehicle/boat trailer for transporting a vehicle with a boat supported above the vehicle comprising a vehicle transport frame having wheels, supporting rails, and a trailer hitch; a vertical column mounted substantially at each corner of said transport frame; a boat cradle; means for slidably mounting said boat cradle about said vertical columns; a pulley mounted substantially at the top of each column; a cable mounted at one end to each mounting means and passing over the adjacent pulley; winch means; means for connecting the other end of said cables to said winch means for raising and lowering said boat cradle; spring-actuated safety lock means permanently secured between each of said slidable mounting means and said vertical columns for supporting said boat cradle in the event of a cable failure; and longitudinal braces removably secured between said vertical columns and transverse braces removably secured between said vertical columns and said boat cradle, said transverse braces being secured to said column when said boat cradle is in its raised position.
Claim 3
Dependent Claim
19 words
The vehicle/boat trailer of claim 1 wherein said vertical columns are hollow and said cables pass over said pulleys
Claim 4
Dependent Claim
17 words
The vehicle/boat trailer of claim 1 further comprising removable ramps for loading a vehicle on said rails.
Claim 5
Dependent Claim
50 words
The vehicle/boat trailer of claim 1 wherein said means for connecting the other end of said cables to said winch comprises a plurality of pulleys mounted on said frame for accepting and guiding said cables; and a snatch block secured between the other end of said cables and said winch.
References Cited (Backward Citations)
US1573172A
Cited
US3677425A
Cited
US3718227A
Cited
US3902613A
Cited
US3870339A
Cited
US4068772A
Cited
US4221420A
Cited
US4420165A
Cited
US4406477A
Cited
US4469346A
Cited
US4560316A
Cited
US4589814A
Cited
US4705289A
Cited
US4801229A
Cited
US4784545A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-06-11 | 1993-12-11 | 1994-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-06-11 | 1997-12-11 | 1998-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-06-11 | 2001-12-11 | 2002-06-12 | $7700.00 | Window Closed / Lapsed |