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Patent No. 6681419

Forehead support apparatusĀ 

A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.

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Class 440/30 - Chain and sprocket


Subclass of Class 440 - Marine propulsion
Definition: Device wherein the continuous band is a chain and the wheellike
No. of patents: 51
Last issue date: 04/26/2011


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NumberTitleIssue Date
7931512Manually operated watercraft
A personal watercraft (10) comprises a floatation platform (12) and a separate module (14) including a water propulsor driving crank mechanism (22) and a keel (38) mounting the water propulsor. The separate module (14), when...
04/26/2011
7530867Portable canoe propulsion system
A portable pedal driven propulsion device for a small watercraft (1) in which power from crank operated pedals (5) is transmitted to a pivotally mounted gearbox (32) or pulley system (81,82,83) adjacent the operator. A longitudinal drive ...
05/12/2009
7371138Boat having a pedal drive
The invention relates to a pedal boat drive comprising at least one pedal crank and a drive train for transferring drive energy produced by the pedal crank to a means of propulsion, e.g. a propeller. At least one flywheel, which is mounted on a free-running axle, is...
05/13/2008
7063579Method and apparatus for retrieving energy from a flowing stream of water
A boat for retrieving energy from a flowing stream of water, such as a river or tidal flow, which can be easily moved to a convenient location and which is capable of capturing a significant portion of the energy of the flowing stream. The boat has a bottom and two ...
06/20/2006
6935261Apparatus for body motion steering control for water craft
An apparatus for steering control of water craft by operator body motion commands. The craft is powered by an outboard motor having a first vertical axis. The water craft has a swivel seat co-axially mounted to first and second swivel bodies permitting rotation of t...
08/30/2005
6905379Portable canoe propulsion system
A portable pedal driven propulsion device for a small watercraft in which power from crank operated pedals is transmitted to a pivotally mounted gearbox on the outside of the watercraft adjacent the operator. A longitudinal drive shaft is connected, at one end, to t...
06/14/2005
6712653Self-tensioning pedal drive mechanism for a human powered boat
A pedal driven aquatic propulsion system comprises a driven sprocket located substantially vertically beneath a drive sprocket. The planes of rotation of the drive and driven sprockets are disposed substantially at right angles to one another. An endless chain drive...
03/30/2004
6309263Bicycle-type marine vessel
A bicycle-type marine vessel including a long, narrow hull unstable in nature, that keeps balance on the water by means of a front rotating keel-propeller system that plays the role of a front wheel on a ground bicycle. The forward location of the keel an...
10/30/2001
6267631Bicycle watercraft accessory
Disclosed is a bicycle accessory generally comprised of at least one pontoon, a frame, front bicycle mounting hardware and rear bicycle mounting hardware, and a propulsion mechanism. A common bicycle is mounted on the front bicycle and rear bicycle mounti...
07/31/2001
6210242Pedal-powered watercraft
A pedal-powered watercraft comprises a unitary hull having an upper wall extending from a bow portion to a stern portion of the watercraft and a pair of spaced hollow sponsons located on either side of the upper wall. The upper wall together with inner wa...
04/03/2001
6165029Pedal boat
A pedal boat mainly includes a hull equipped with a transmission mechanism and a steering mechanism. A tubular member is connected behind a lower rear end of the hull. The transmission mechanism includes a driving chain wheel, a gearbox, and a propeller c...
12/26/2000
6165030Pedal driven propulsion device
A pedal driven propulsion device in the form of an outboard motor for a watercraft, such as a canoe is disclosed. The pedal driven propulsion device having a drive assembly and a propeller assembly with an upper portion and a lower portion. A steering ass...
12/26/2000
6146218Universal platform for human powered floatation devices
A universal platform for a human powered floatation device. The platform has a frame with two spaced apart rail members adapted to interchangeably receive multiple types of propulsion devices. A support arm and a crossbar are provided for securing a prope...
11/14/2000
6083062Portable pedal-operated paddlewheel boat
A lightweight, collapsible boat comprises twin parallel hulls, a frame and human-powered paddlewheels outboard of the two hulls. The boat's frame is capable of being collapsed and packed into a bundle for carrying as a backpack. The drive comprises a peda...
07/04/2000
6056607Manually driven fitness device for exercise on water surface
A manually driven fitness device includes a main body, two floating barrels respectively mounted on both sides of the main body, a front drive mounted at the front end of the main body, a rear drive speed variation device mounted at the rear end of the ma...
05/02/2000
6050864Amphibious bicycle
An amphibious bicycle intended to be highly efficient, safe and maneuverable forms of both land and water transportation. This achieved by the addition of a strong, rigid frame work, small paddles in the rear wheel assembly, and durable, nonsinkable ponto...
04/18/2000
5845593Man and wind powered aquatic vehicle
A non sinkable, easily re-rightable aquatic vehicle has a lightweight body with a front, a rear, a bottom and opposite sides and contains a seat for supporting a pilot. A pair of front sheaves are rotatably mounted to opposite sides of the body near the f...
12/08/1998
5807148Portable apparatus for using bicycles as a type of watercraft
A portable apparatus for using a bicycle not only on land but also as a type of watercraft has two oblong connected inflatable floats, a propulsion unit including a propeller and a clutch unit picking up a motion from a tire of a bicycle rearwheel, a rear...
09/15/1998
5803774Integrated system for land and water recreation
An integrated system for land and water recreation such that when in a flotation mode, a propeller and rudder are powered and controlled by a standard bicycle; that when in a terrestrial mode, the integrated system is powered and trailered by the same bic...
09/08/1998
5782480Wheeled amphibious vehicle
A human-powered wheeled amphibious vehicle includes a substantially planar buoyant base member upon which the rider sits while pedaling to turn the rear wheels of the vehicle. The rear wheels have inner-tube-like pneumatic tires and blades and/or paddle s...
07/21/1998
5722865Canard balanced marine bicycle
The canard balanced marine bicycle is an aquatic vehicle having a long and very narrow hull which depends, for its stability, on the dynamic forces generated by its movement through the water acting on the canard. The canard depends from the bottom of the...
03/03/1998
5718611Personalized watercraft
A watercraft has floats supporting a bicycle-type frame having handlebars connected to a rudder to steer the watercraft. Side boards located on opposite sides of the frame are mounted on cross bars which support the frame on the floats. A chain and sprock...
02/17/1998
5713727Multi-stage pump powered by integral canned motors
An in-line, multi-stage pump powered by integral canned electric motors. At least two pump units are connected in series in a pipeline. Each of said pump units includes a hollow housing having a hermetically sealed stator mounted therein. The stator is el...
02/03/1998
5626501Pontoon water bike
A pontoon water bike raft comprises two rear pontoons disposed parallel one another on either side of a longitudinal axis, with a transverse, planar truss spanning between them. Coupled by quick release joints to the midpoint of the truss and extending fo...
05/06/1997
5547406Floatation device with propeller and rudder driven by a bicycle
A floatation device with propeller drive assembly and steerable rudder for use with any standard bicycle frame allowing an individual the ability to have a self propelled water craft. The device utilizes a standard bicycle, having only the wheels removed,...
08/20/1996
5443405Bike board
The bike-board for moving over the water on a conventional said board (10), so that movement is carried out with the help of a conventional bicycle (12), installed on the board. The stability of the bike-board is ensured by two side pontoons (34) with a b...
08/22/1995
5405275Personalized watercraft
A watercraft has floats supporting a bicycle-type frame, having handlebars connected to a rudder to steer the watercraft. A chain and sprocket foot operated drive is connected to a shaft journaled to a housing accommodating a power transmission for rotati...
04/11/1995
5362264Water-bicycle
A water bicycle comprises a flotation board, a propulsion and seat unit including a mounting flange, a seat, foot pedals mounted for rotation driven by a person sitting on the seat, a propeller and a coupling connecting the pedals to the propeller, an ope...
11/08/1994
5316508Water bicycle
A human-propelled water bicycle suitable for training or recreative purposes. The water bicycle has two steerable front pontoons and two rear pontoons fixed to a main frame substantially similar to a convention bicycle frame. Handlebars are provided to tu...
05/31/1994
5308268Humanly operable, recreational, readily disassemblable water cycle
To permit rapid assembly and disassembly of the water cycle so that, when disassembled, it can be stored or transported in minimum space. The cycle, which has at least three flotation bodies (2a, 2b, 2c), which are elongated or torpedo shaped, is formed o...
05/03/1994
5295878Mud bug
Mud bug, a portable system for propulsion of small boats consisting basically of a carrying frame (10) housing controls for forward and reverse speed, steering, and tilt of a remote mounted outdrive assembly. Control is accomplished through flexible sheat...
03/22/1994
5282762Propeller drive and steering mechanism for small craft
A portable propeller drive and steering mechanism for small craft in which a frame is provided with an adjustable seat and a pedal driven chain drive connected to a geared transmission, and which has a chain drive output powering a horizontally arranged j...
02/01/1994
5194024Propeller driven surfboard
A propeller driven surfboard is provided which consists of a hull having a nose at the bow and a tail at the stern. A skeg is mounted to the underside of the hull, while a seat having a support structure is mounted onto the hull between the nose and tail ...
03/16/1993
5178088Amphibious vehicle
An amphibious vehicle has a hull with a seat portion formed on its upper side. An operator seated upon the seat would straddle the hull. The hull has a flotation body for buoyancy and four hollow, cylindrical wheels also contribute to the buoyancy. Handle...
01/12/1993
5011441Pedal operated water cycle
A main body member is supported by transverse supports on a pair of pontoons. The main body member supports an operator's seat, a cargo rack, a pedal drive propeller assembly, and a rudder. The main body member has longitudinal slots in its surfaces that ...
04/30/1991
4891024Pedal boat propulsion system
A marine propeller equipped drive unit is provided for support from the transom of a boat in generally the same manner an outboard motor is supported from a boat transom and a pedal crank assembly is provided for mounting within a boat forward of a transv...
01/02/1990
4867716Boat
The present invention includes a boat having a pair of rotatable elongated pontoons on opposite sides thereof. Each of the pontoons has helical flighting for propelling the boat during rotation of the pontoon. The pontoon also is filled with floatation ma...
09/19/1989
4789365Aquacycle
Apparatus for converting a bicycle to a maneuverable, pedal-operable aquacycle is disclosed. A twin hull assembly includes a support framework for supporting a bicycle by its horizontal frame member. A friction wheel, which may be rotated with the rear wh...
12/06/1988
4772237Paddle boat
The present invention provides a paddle boat having a hull and a closed loop flexible member which is rotatably mounted to the hull while a pedal assembly longitudinally drives the flexible member around its loop. A plurality of substantially planar paddl...
09/20/1988
4559892Amphibious vehicle
Amphibious vehicle having a pedal assembly coupled to propelling devices. On land the vehicle is propelled by at least one wheel driven by the pedals. The wheel has vanes for use in water. Floats keep the vehicle afloat in water. The pedal assembly is adj...
12/24/1985
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