Title: Aquatic device attachable to a two-wheeled vehicle

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Claims: I claim:

1. 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.

2. 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.

3. 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.

4. 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.

5. The invention according to claim 1 which utilizes a motor-powered tandem-wheeled vehicle as its power source.

6. 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.

Other info:

Inventors: Jamison, Jr., Joseph L. (Arlington, VA, US)

Application Number: 808798
Filing Date: 1977-06-22
Publication_date: 1979-10-09
Assignee:
Primary Class(es): 440/30
Other Classes:
US Patent Ref:

535623	Mar, 1895	Klein	115/27.
577269	Feb, 1897	Powley	115/26.
621465	Mar, 1899	Storms	115/27.
643678	Feb, 1900	Perry	115/27.
799667	Sep, 1905	Payette	115/02.
3640239	Feb, 1972	Petroskey	115/27.

Other Refs:
Primary Examiner: Kelmachter, Barry L.
Assistant Examiner: Basinger, Sherman D.
Attorney: