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Class 440/26 - Rotary cranking arm


Subclass of Class 440 - Marine propulsion
Definition: Device wherein the motive force is transmitted to a propelling
No. of patents: 42
Last issue date: 11/30/2010


1    
NumberTitleIssue Date
7841914Floating apparatus with manual driver
A floating apparatus is arranged to be propelled manually. The apparatus has a float with a head and a foot for supporting a recumbent person. Also included is a hull attached under the float. The hull has a first end and a second end and is narrower than the float....
11/30/2010
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
7070466Swimmers paddle wheel
A swimmers paddle wheel (10) that utilizes a crankshaft (20) with a pair of ends (22,24) containing crank arms (28). Each crank arm (28) is out of angular alignment relative to each other, and each crank arm includes a handle grip ...
07/04/2006
7066480System for controlling a moving part, steering system for a light vehicle and tricycle fitted with said system
The steering system according to the invention provides a means of coordinating the movements of the two steering handles on a machine such as light tricycle type vehicles propelled by a pedal (5) and propulsion arms (6). The steering system com...
06/27/2006
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
6887116Watercycle for wet rider
A watercycle having, generally do-nut shape float mounted onto a frame or chassis member, and a rider's seat within the hollow of the float and which can be adjusted vertically and horizontally. Adjusting the seat to its highest level will cause the seated rider to ...
05/03/2005
6691633Pontoon paddle boat
A collapsible pontoon paddle boat that includes inflatable pontoons that may be deflated, and a series of frame pieces that may be disassembled. The frame structure includes metal tubes that snap into anchors that are integrally formed on the sides of the...
02/17/2004
6692317Water craft propelled by a double-flipper device actuated by a pedal mechanism
A rigid or inflatable water craft propelled by a double-flipper device for safe displacement both for the user and nearby swimmer.consists of a floater specifically linked to a propelling system comprising a pedal mechanism with discoid branches with prot...
02/17/2004
6524145Swimmer propulsion device
A swimmer propulsion device includes a harness with attached frame and resilient tail assembly. A foot-operated driver on the frame rotates and forces an apex member against the fluked tail assembly, while tensioning propulsion bands. As the apex member r...
02/25/2003
6383045Marker buoy
A marker buoy is provided for use with a flexible line tied to a weighted sinker. The buoy includes a watertight, transparent dome assembly with an interior light source positioned therein. The dome assembly resides on a buoyant housing with a bottom aper...
05/07/2002
6231408Drive mechanism assembly for aquatic vehicle
A pedal powered drive mechanism and an aquatic vehicle having such a mechanism are constructed primarily of lightweight inexpensive moulded plastic. The vehicle has a buoyant hull with a central longitudinal axis and saddle seat. Handle bar steering is mo...
05/15/2001
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
6083061Nonresonant boat motor
A nonresonant boat motor for imparting motion to a boat without generating a substantial level of sound. The nonresonant boat motor includes a spiral spring coupled to an axle assembly, a propeller shaft coupled to the axle assembly, a ratchet assembly fo...
07/04/2000
6077134Combination bicycle and boat
A combination bicycle and boat has a frame; a buoyant rear wheel; and a buoyant front wheel driven by a pair of pedals. The frame is a rigid construction that supports the user on the front and rear wheels for mobility. The frame has a seat and rotatably ...
06/20/2000
6065414Watercraft and hull systems
The invention includes new hull systems and watercraft. In particular, the invention provides a watercraft hull (10) that has a pivot axis (22) forward of the hull waterline fore-aft center line (24). That pivot axis (22) will be the deep water point of t...
05/23/2000
6033276Personal water vehicle
A personal water vehicle (12) comprising a structure (14) for supporting a person (16) in a prone position above an upper surface of a body of water (18). A facility (20) is for steering the supporting structure (14) in the body of water (18), using manua...
03/07/2000
5921824Water workout apparatus
A water workout apparatus comprising a paddleboat is propelled by various means such as oscillating pedals, rotating pedals, and push-pull levers or handle bars. The paddleboat can be propelled in reverse by rotating the handle and utilizing separate reve...
07/13/1999
5878682Watercraft and hull systems
The invention includes new hull systems and watercraft. In particular, the invention provides a watercraft hull that has a pivot axis forward of the hull waterline fore-aft center line. That pivot axis will be the deep water point of the hull and provides...
03/09/1999
5453031Hand propulsion device for a paddle boat
A hand propulsion device for a paddle wheel boat has a cranking mechanism of handles turning a sprocket. The sprocket drives a chain, which is mounted between the first sprocket and a second sprocket. The chain, in part, turns the second sprocket, which t...
09/26/1995
5427554Recreational water craft
A recreational water craft of uncomplicated design and construction is provided herein which is adaptive to be manually powered by one or more crew members or readily converted from manual power to sail (or supplement by sail) without loss of stability or...
06/27/1995
5349918Modular twin hull boat
The modular boat has an improved assembly which is more compact when disassembled and is more solid when assembled. The boat comprises two side cockpit members, a transverse bow member, a transverse stern member and a middle member covering an opening bet...
09/27/1994
5217398Pedal operated catamaran
A pedal operated catamaran includes a pair of side-by-side buoyant hulls, and a rigid frame releasably mounted to the hulls in one of two alternative positions, to maintain the hulls parallel to one another. The catamaran includes a propeller mounted for ...
06/08/1993
5183422Pedal boat
A pedal boat for recreational use includes an inflatable ring on top of which is mounted a platform structure carrying a seat, pedals and a steering mechanism. The pedals drive a shaft mounted diametrically of the ring and carrying paddles. The steering a...
02/02/1993
5127855Water-borne vehicle
A water-borne vehicle with floats, a frame which is mounted on the floats providing a seat and a steering mechanism, and a propulsion means for propelling the vehicle in the water. The propulsion means comprises a plate which is generally parallel to the ...
07/07/1992
5110313Separable blade assembly for rubber raft
A separable blade assembly for a rubber raft, which can be easily disassembled and conveniently carried, including two blade members, two rod members, and a bolt member. The two blade members can be associated to form a blade assembly and the two rod memb...
05/05/1992
5088944Collapsible water bike
A collapsible water bike includes a plurality of assemblies which are interconnectable using connecting assemblies that are easily locked and unlocked. The bike is driven by a pedal assembly that is operatively connected to a propeller and is steered by h...
02/18/1992
5058522Portable personal floatation device
A portable personal floatation device for water sports such as fishing and the like is constructed of a light material such as styrofoam and has a main cross panel with an opening for a user to fit through so the floatation device surrounds the user. The ...
10/22/1991
5030145Manually operable boat propeller
A manually operable unit having a single handle for driving, steering and tilting a boat propeller. The crank handle, when turned, drives the propeller through bevel gearing. A vertical sleeve surrounding a vertical drive shaft has an offset U-shaped port...
07/09/1991
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
4943251Pedal operated outboard motor for watercraft
A pedal operated drive system for a canoe includes a main drive assembly in the canoe including a main drive shaft, an intermediate drive shaft extending rearwardly of the main drive shaft to a point beyond the canoe stern, and a propeller shaft behind th...
07/24/1990
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
4832631Swimming aid
A manually powered pair of crank operated flat paddles used by a swimmer combines a rotary and paddling motion. One paddle is rotated to engage the water while the opposite paddle is disengaged and provides flotation only. The opposite paddle is then rota...
05/23/1989
4795381Vessel and driving means
The invention relates to a vessel which comprises a floating body upon which a seat for a person is mounted. The vessel is driven by human power through a treadle mechanism which drives a propeller. The treadle mechanism comprises two actuating elements which ...
01/03/1989
4676755Pedal driven device
Pedal operated mechanisms are disclosed for propelling watercraft, with one embodiment of the invention comprising a modification for a canoe and a second form of the invention comprising a mechanism that can be secured to a surfboard. A novel flexible dr...
06/30/1987
4668196Manually powered boat
A manually powered boat for use as desired by one, two, three or more operators is disclosed. Balanced floatation is maintained regardless of the number of occupants/operators. The boat includes a buoyant hull, a centered, rotatable propulsion assembly en...
05/26/1987
4576580Pedal powered watercraft
A pedal powered watercraft is disclosed in which a centrally disposed longitudinally extending frame carries a centrally positioned pedal housing having one pedal on each side of said frame with one of a pair of longitudinally extending laterally horizont...
03/18/1986
4511338Water bicycle and detachable device therefor
A water bicycle and a detachable device for converting a sail board into a water bicycle. The water bicycle has a flotation member and a frame removably mounted to the flotation member. Pedals are rotatably mounted to the frame. Paddle wheels are provided...
04/16/1985
4496325Collapsible paddle boat
A paddle boat comprising a plurality of floats, collapsible driving and propelling apparatus, folding steering apparatus, the driving and propelling apparatus and steering apparatus adapted for mounting onto the floats during use of the paddle boat, parti...
01/29/1985
4379701Buoyant apparatus propelled by a human operator
A buoyant apparatus propelled by a human operator has a pair of side by side annular floats and a pontoon rotatably mounted at the corners of a triangular frame. A pair of platforms are each mounted on the upperside of one of the annular floats. A plurali...
04/12/1983
4318700Paddle wheel operated watercraft
A watercraft has two pontoons interconnected by framework which supports a propelling unit adjacent its bow end. The unit includes a paddle wheel between the two pontoons with exposed pedals to be engaged by the feet of a seated occupant. A rudder is atta...
03/09/1982
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