Patent US4170188A successfully refreshed from Google Patents.
US4170188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aquatic device attachable to a two-wheeled vehicle
Assignee: Individual
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Filing: 1977-06-22
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Granted: 1979-10-09
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Expires: 1997-06-22
Abstract
Abstract The invention to be described is an aquatic apparatus of at least one hull which is readily attachable and detachable from its propulsive member--the propulsive member being a tandem-wheeled vehicle such as a bicycle or motorcycle which is prepared for attachment by having its wheels removed.
Inventors
- 👤 Joseph L. Jamison, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:48
CPC Classifications
B; B63; B63H; B63H16/00; B63H16/08; B63H16/20; B63B; B63B34/00; B63B34/50; B63H16/12; B63H16/14; B63H2016/202; B63H2016/205; B63H2016/207
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
134 words
An aquatic device attachable to and detachable from a tandem-wheeled vehicle with its wheels removed, the aquatic device comprising: at least one hull; a front fork housing and steerage swivel assembly; said swivel assembly affixing to and supporting the front fork end bracket of the vehicle; said swivel assembly being of swivel configuration and motivating a rudder through motivation of the vehicle's handlebars; a rear axle drive assembly; said assembly being comprised of a drive axle rotatable through a supporting structure which affixes to the rear fork end bracket of the vehicle; said drive axle being motivated by an attached chain drive sprocket of a design derivative of that in use by the vehicle before removal of the vehicle's wheels; said drive axle, in turn, motivating an aquatic propulsive assembly culminating in a propeller.
Claim 2
Dependent Claim
134 words
An aquatic device attachable to and detachable from a tandem-wheeled vehicle with its wheels removed, the aquatic device comprising: at least one hull; a front fork housing and steerage swivel assembly; said swivel assembly affixing to and supporting the front fork end bracket of the vehicle; said swivel assembly being of swivel configuration and motivating a rudder through motivation of the vehicle's handlebars; a rear axle drive assembly; said assembly being comprised of a drive axle rotatable through a supporting structure which affixes to the rear fork end bracket of the vehicle; said drive axle being motivated by an attached chain drive sprocket of a design derivative of that in use by the vehicle before removal of the vehicle's wheels; said drive axle, in turn, motivating an aquatic propulsive assembly culminating in a propeller.
Claim 3
Dependent Claim
107 words
The aquatic propulsive assembly of claim 1 which is further characterized by consisting of: a second chain sprocket centrally located on the rear drive axle and affixed to this axle, therefore rotating with rotation of the drive axle; said chain sprocket, in turn, motivating an encircling drive chain; said drive chain, in turn, motivating a third chain sprocket which it encircles at the opposite extremity to the abovementioned chain sprocket, this third chain sprocket being affixed to one of a pair of bevel gears; said bevel gear affixed to the chain sprocket motivating a partner bevel gear which is affixed to and therefore rotates a propeller shaft.
Claim 4
Dependent Claim
31 words
The front fork housing and steerage swivel assembly of claim 1 which is further characterized as being slidably mounted on a track to permit accommodation of varying wheelbases of tandem-wheeled vehicles.
Claim 5
Dependent Claim
43 words
The invention according to claim 1 which utilizes a bicycle as its power source; the front and rear fork end brackets of said bicycle being held fast to the front and rear fork end bracket housings of the invention by quick-release hub mechanisms.
Claim 6
Dependent Claim
16 words
The invention according to claim 1 which utilizes a motor-powered tandem-wheeled vehicle as its power source.
Claim 7
Dependent Claim
46 words
The front fork housing and steerage swivel assembly referenced in claim 1 which is further characterized as consisting of a swivel having two lines attached to the rotating member of the swivel; said lines crossing aft of the swivel and proceeding to attachment to the rudder.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-10-08 | 1983-04-09 | 1983-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-10-08 | 1987-04-09 | 1987-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-10-08 | 1991-04-09 | 1991-10-09 | $7700.00 | Window Closed / Lapsed |