Patent US3877594A successfully refreshed from Google Patents.
US3877594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Car top boat carrier with loader and unloader
Assignee: Individual
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Filing: 1973-11-21
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Granted: 1975-04-15
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Expires: 1993-11-21
Abstract
Abstract An overhead framework having supports secured to a vehicle''s bumpers includes a central beam having a reciprocable walking beam controlled by a pull rope, and a small boat trailer, fastenable to a rider on the walking beam, loads and unloads from the vehicle on the walking beam. The walking beam moves from a horizontal framework held position to a sloped load-unload position with one end resting on the ground and the other on the central beam.
Inventors
- 👤 Donald L Coakley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:00
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/06; B60P3/10; B60P3/1008; B60P3/1025
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
273 words
A vehicle-top boat carrier with loader-unloader comprising a. frame means including an upstanding front bumper mounted support and a pair of spaced apart rear bumper mounted supports secured to the vehicle and providing a central, generally horizontal elongated member extending generally longitudinally and above the vehicle. b. an elongated walking beam having ground contacting wheels; said beam being reciprocably mounted on said elongated member, and stop means on both ends of said beam, c. means including a pivotal fixture attached to the elongated member securing said walking beam to said elongated member and permitting reciprocable movement of said walking beam rearwardly of said elongated member and permitting tilting and ground movement of said walking beam at the rear of said elongated member, d. boat holding means including spaced apart ground contacting wheels providing a low profile unit, including spaced apart boat stabilizing rails extending longitudinally and means for supporting a boat, said boat holding means capable of receiving and carrying a boat during loading and transportation of the boat e. reciprocable means mounted on and arranged for reciprocal movement along said walking beam between said stop means and including boat holding attachment means for securing said boat holding means thereto, and f. haul rope means secured to said reciprocable means and to a forward portion of said frame means, whereby movement of the rope first causes movement of the reciprocable means along said walking beam until it engages the fOrwardmost of the stop means, continued movement of the rope causes said reciprocable means along with said walking beam to move forwardly, pivot about said pivotal fixture, and then reciprocate along said frame means.
Claim 2
Dependent Claim
273 words
A vehicle-top boat carrier with loader-unloader comprising a. frame means including an upstanding front bumper mounted support and a pair of spaced apart rear bumper mounted supports secured to the vehicle and providing a central, generally horizontal elongated member extending generally longitudinally and above the vehicle. b. an elongated walking beam having ground contacting wheels; said beam being reciprocably mounted on said elongated member, and stop means on both ends of said beam, c. means including a pivotal fixture attached to the elongated member securing said walking beam to said elongated member and permitting reciprocable movement of said walking beam rearwardly of said elongated member and permitting tilting and ground movement of said walking beam at the rear of said elongated member, d. boat holding means including spaced apart ground contacting wheels providing a low profile unit, including spaced apart boat stabilizing rails extending longitudinally and means for supporting a boat, said boat holding means capable of receiving and carrying a boat during loading and transportation of the boat e. reciprocable means mounted on and arranged for reciprocal movement along said walking beam between said stop means and including boat holding attachment means for securing said boat holding means thereto, and f. haul rope means secured to said reciprocable means and to a forward portion of said frame means, whereby movement of the rope first causes movement of the reciprocable means along said walking beam until it engages the fOrwardmost of the stop means, continued movement of the rope causes said reciprocable means along with said walking beam to move forwardly, pivot about said pivotal fixture, and then reciprocate along said frame means.
Claim 3
Dependent Claim
36 words
A vehicle-top boat carrier according to claim 1 wherein said walking beam includes opposed upper and lower extending flanges, and roller means in said pivotal fixture acting on said lower flange permits free reciprocable movement therein.
Claim 4
Dependent Claim
25 words
A vehicle-top boat carrier according to claim 1 wherein said boat trailer includes keel rollers for free movement of a boat on said boat trailer.
Claim 5
Dependent Claim
28 words
A vehicle-top boat carrier according to claim 1 wherein said haul rope is reeled on a spool of a winch mounted adjacent the front of said frame means.
Claim 6
Dependent Claim
20 words
A vehicle-top boat carrier according to claim 4 wherein said winch is electric, operated by the battery of the vehicle.
Claim 7
Dependent Claim
28 words
A vehicle-top boat carrier according to claim 1 wherein said reciprocable means along said walking beam includes a ball and said boat holding means includes a ball hitch.
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) | 1978-04-14 | 1978-10-14 | 1979-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-14 | 1982-10-14 | 1983-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-14 | 1986-10-14 | 1987-04-15 | $7700.00 | Window Closed / Lapsed |