U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."

U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 440/57 - Having gimbal or universal joint support


Subclass of Class 440 - Marine propulsion
Definition: Device wherein the means to move or assist in the movement
No. of patents: 87
Last issue date: 12/06/2011


1      
NumberTitleIssue Date
8070540Method and kit for assembling marine propulsion systems
A method and a conversion kit are provided for assembling marine propulsion systems such as those comprised of a Mercruiser Alpha One® type sterndrive unit, an OMC Cobra® type inboard engine and a transom assembly, and attaching the propulsion systems to marine ve...
12/06/2011
7491103Marine propulsion device with access opening
A marine propulsion device is provided with an access opening through a portion of its gimbal housing. At least two support locations, formed integrally with the gimbal housing, provide locations to support a swivel shaft that attaches a gimbal ring to the gimbal ho...
02/17/2009
7429203Amphibious drive system for a boat
An improved amphibious drive system for a watercraft. The amphibious drive system features a paddled drive wheel which is operatively mounted to a drive frame. The drive frame pivots about a horizontal pivot joint. The drive wheel can thereby be raised and lowered w...
09/30/2008
7354324Method and apparatus for assembling a marine propulsion system in a marine vessel
A marine propulsion system is configured to be preassembled prior to the attachment of a marine engine to the marine vessel. In other words, the marine engine is attached to a transom plate, a gimbal ring, and a bell housing prior to insertion of the engine into the...
04/08/2008
7347753Hydraulic actuation system for a marine propulsion device
A hydraulic system for a sterndrive marine propulsion device directs the flow of hydraulic fluid through the body and peripheral components of a gimbal ring in order to reduce the number and length of flexible hydraulic conduits necessary to conduct pressurized hydr...
03/25/2008
7335074Shroud enclosed inverted surface piercing propeller outdrive
A shrouded outdrive propels a high-speed boat having a hull for high-speed passage through water. The hull has at least one bow at the forward end and at least one transom at the stern. A tubular shaft extends at a small angle (6° to 12°) from the boat transom int...
02/26/2008
7192321Marine inboard/outboard system
An improved marine vessel includes a hull, the hull including a transom and having a predetermined waterline intersecting the hull and the transom. The vessel further includes an upper driveshaft disposed above the waterline, an engine disposed within the hull inclu...
03/20/2007
7175491Assembly system for a marine propulsion device
A marine propulsion system is configured to be assembled, as one unitary structure, into a marine vessel. A transom attachment member is provided and is attachable to both an engine and a drive unit to form a single marine propulsion system structure which can be lo...
02/13/2007
7153101Pulling marine propeller
A pulling marine propeller (1) including multiple propeller blades (4) attached to a propeller hub (5). The propeller hub (5) is attachable to a propeller shaft (9) extending from a drive housing (10) located downstream of t...
12/26/2006
7118434Outboard drive for boats
Outboard drive unit for boats, including an underwater housing (6), in which two propeller shafts (7, 8) are mounted and are driven via a first bevel gearing (19, 20, 21) enclosed in the underwater housing, and a second bevel gearing (13, 14,...
10/10/2006
7104853Marine gimbal outdrive assembly
A ball and socket joint assembly for a water vehicle outdrive system pivots both the trim-lift and the rudder as well as provides a reverse thrust without the need of a shifting mechanism. The ball and socket joint assembly includes a control mechanism for generatin...
09/12/2006
7070469Dual propeller surface drive propulsion system for boats
The dual propeller surface drive propulsion system for boats is a combined propulsion and steering system for vessels with inboard engines comprising an enclosed thrust bearing assembly mounted to the transom of the vessel, a transom box mounted to the transom of th...
07/04/2006
7066777Marine inboard/outboard system
A marine vessel is provided having a stern drive attached to the transom of the vessel. An actuator is provided for adjusting the pitch of the stern drive relative to the transom of the vessel. The stern drive is mounted on the transom of the vessel such that a driv...
06/27/2006
7033234Method of steering a boat with double outboard drives and boat having double outboard drives
A method of steering a planning V-bottomed boat with double individually steerable outboard drive units with underwater housings (6), which extend down from the bottom (1) of the boat. When running at planning speed straight ahead, the underwater housi...
04/25/2006
7029345Preventive theft installation on a boat
The invention pertains to a theft preventive installation on a boat. Particularly, it is directed to prevent a theft of the drive for the boat at its connection to a housing containing the drive shaft from the motor. It is commonly known that up to six bolts connect...
04/18/2006
7018255Exhaust system for a marine propulsion device having two stationary tubes to define an annular exhaust passage
A marine propulsion system is provided with inner and outer bellows, or tubes, which are rigidly attached to both the transom bracket and the driveshaft housing of the sterndrive system. Neither the inner nor outer tubes rotate with the driveshaft. Both the inner an...
03/28/2006
6908350Trim apparatus for marine outdrive with steering capability
A marine outdrive (2) steering and trim system comprising a support linkage (26) which is either of fixed length (non-trimmable) or of an adjustable telescoping length (trimmable) and having a first end (28) pivotally mounted to the transom (...
06/21/2005
6902449Watercraft drive unit
An improved drive unit for propelling a watercraft through shallow water comprising a steering box pivotally attached to the watercraft transom; a first drive shaft extending through the transom to the steering box; a second drive connected to said first drive shaft...
06/07/2005
6726511Internally ported hydraulic cylinder assembly
A fluid cylinder such as a hydraulic cylinder used on marine engines to control the steering direction and/or trim position of a propeller shaft comprises internally ported fluid lines located in line with the longitudinal axis of the cylinder and may be either port...
04/27/2004
6607410Single cylinder tilt-trim assembly for boats using a stern drive system
A stern drive system having an outdrive rotatable about a generally horizontal axis to impart a desired trim or tilt to the drive system is provided. The system includes a gimbal ring that defines an inner region. The gimbal ring is configured to pivotall...
08/19/2003
6585545Shielded tilt-trim subsystem for boats using a stern drive system
A stern drive system having an outdrive generally disposed downstream relative to water flow aft a transom of the boat is configured to be rotated about a generally horizontal axis to impart a desired trim or tilt to the drive system. A tilt-trim subsyste...
07/01/2003
6482057Trimmable marine drive apparatus
A drive apparatus (12) for a boat having a planing hull (14) including a notch (24). An engine (30) and a transmission (32) are mounted within the hull. A propeller shaft (38) is connected to the transmission with a universal joint (34) and extends rearwa...
11/19/2002
6468119Composite stern drive assembly
Stern drive assembly configured for utilization in an inboard/outboard power plant for a boat. The stern drive assembly includes a central rigid core that is configured at an upper portion to be coupled to the stern of a carrying boat. A lower portion of ...
10/22/2002
6454620Integrated external hydraulic trimming and steering system for an extended sterndrive transom assembly
A marine propulsion system is provided with a drive unit that is attachable to a transom of a marine vessel and provided with steering cylinder assemblies and trimming cylinder assemblies which are connected to a common location on a structural member, su...
09/24/2002
6390866Hydraulic cylinder with anti-rotation mounting for piston rod
A double-acting hydraulic cylinder and piston rod unit having fluid hoses for conducting fluid thereto. A generally flat outer end is provided on the piston or cylinder. A bracket has a spherical socket and either the piston rod end or cylinder has a sphe...
05/21/2002
6383043Vertical trim system for marine outdrives
A vertical trim system for a marine inboard-outboard outdrive includes a transom plate (12) and arms (18, 20) having first ends attached to the transom plate and second ends attached to a gibal ring (76) of the outdrive....
05/07/2002
6371820Integral-piece gimbal ring and steering assembly for marine propulsion systems
A marine propulsion system having an integral-piece gimbal ring and steering means is provided. The system is made up of a gimbal housing affixed through the rear of a boat transom and a gimbal ring pivotally connected to the gimbal housing. The system is...
04/16/2002
6305997Self-aligning universal joint assembly for a stern drive
An assembly and techniques for facilitating assemblage of a drive unit to a gimbal housing in a boat are provided. The assembly uses a universal joint (U-joint) in the gimbal housing for pivotally engaging the drive unit to the gimbal housing. The U-joint...
10/23/2001
6247979Inboard/outboard boat drive
An inboard/outboard boat drive having a housing with first and second ends and a cavity passing between the housing first and second ends. The first end of housing is pivotally mounted on the boat stern. The drive includes an input drive shaft for couplin...
06/19/2001
6234854Marine drive assembly
A boat drive mechanism is constructed of an engine mounted in the boat; a propeller; a drive shaft having a front end connected to the engine and a rear end extending through the exterior of the transom; a propeller shaft having a rear end connected to th...
05/22/2001
6186845Motor mounting structure for boat
A mount for an outboard motor is disclosed in which the cylinder block of the motor is within the hull and the gear box and propeller are outside the hull. The drive shaft passes through the mount from the block to the gear box. The mount permits the moto...
02/13/2001
6019649Adjustable propeller system
An adjustable propeller system includes an outboard drive portion having a propeller. At least one linearly extendable and retractable trim arm is mounted between an outboard plate and the propeller to adjust the trim angle between the outboard plate and ...
02/01/2000
5934955Vertical trim system for marine outdrives
A vertical trim system for a marine inboard-outboard outdrive includes a transom plate defining an opening therethrough and having first and second sides, the first side adapted to be mounted to a boat transom. At least one arm includes first and second e...
08/10/1999
5931710Surface drive kit for marine craft
A marine outdrive attachable to the transom of a small fishing boat having an inboard engine. The marine outdrive includes a kit having through transom mounting plate, a fabricated propeller shaft housing pivotally attached to a pivot member which is pivo...
08/03/1999
5755604Boat propeller drive unit
Boat propeller drive unit, comprising a frame-like carrier (1) intended to be fixedly joined to a boat transom, and a propeller rig (4) which is suspended in a fork (13) for trim and tilting movement relative to the fork about a horizontal axis (a). The f...
05/26/1998
5741165Marine propulsion system
A number of embodiments of outboard drive systems that include a combined vertically extending drive shaft driven by the propulsion unit and which drives a generally horizontally extending propeller shaft that drives a propeller positioned substantially r...
04/21/1998
5697820Outboard marine propulsion system
A number of embodiments of outboard drive systems that include a combined vertically extending drive shaft driven by the propulsion unit and which drives a generally horizontally extending drive shaft that drives a propulsion device positioned substantial...
12/16/1997
5667415Marine outdrive with surface piercing propeller and stabilizing shroud
An improved fin structure for attachment to the propeller shaft mount of a surface piercing marine outdrive apparatus. The fin structure has one fin member at one side of the mount for the propeller drive shaft of the marine outdrive. The fin member is so...
09/16/1997
5647780Vertically adjustable stern drive for watercraft
A marine stern drive includes a tilt/trim and lift adjustment mechanism which raises and lowers the drive while maintaining an established trim angle. The adjustment mechanism includes a parallelogram linkage system. An upper lever of the linkage system i...
07/15/1997
5549493Boat propulsion and rudder device of the type having a surface propeller
This device includes: a motor (8) situated inside (14) the boat (2) and comprising an output shaft (7); a propeller (4); a propeller shaft (3) carrying the propeller at one end and being connected (6) by its other end to the output shaft (7) of the motor;...
08/27/1996
1      
 
Sign InRegister
Username  
Password   
forgot password?