...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7527539 | Jack plate/travel stop system A travel stop block has a rectilinear configuration, front and rear and top and bottom faces and with parallel side faces. A jack plate has two vertically aligned apertures in a central extent. The travel stop block has a pair of vertically aligned apertures in the ... | 05/05/2009 |
| 7513810 | Jack plate An outboard motor jack plate comprising a transom mounting portion having a top and bottom. A motor mounting portion has a top and a bottom. There is a top cross support and a bottom cross support. Also included is a hydraulic cylinder having a ram and a casing.... | 04/07/2009 |
| 7416459 | Jack plate/hydraulic cylinder system A cylinder is adjustably positionable between a jack plate and a fixed transom bar. A housing has an upper end, a lower end, a bottom cap and a top cap. The housing includes a piston. The piston is axially slidable within the cylinder. The piston has a rod. The rod ... | 08/26/2008 |
| 7371140 | Protective marine vessel and drive A marine vessel and drive combination includes port and starboard tunnels formed in a marine vessel hull raising port and starboard steerable marine propulsion devices to protective positions relative to the keel. ... | 05/13/2008 |
| 7351125 | Outboard engine system A thrust receiver abuts against an expandable and contractable trim rod to adjust a trim angle of a body of an outboard engine system. The thrust receiver includes a shaft portion rotatable about an axis generally parallel to an axis of the trim rod, and a pressure-... | 04/01/2008 |
| 7347753 | Hydraulic 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 |
| 7331419 | Dual-circuit steer-by-wire steering system comprising a common cradle The invention relates to a steer-by-wire steering system comprising a hydraulic control unit that acts on the steerable wheels (1, 20), the control unit having at least one cradle (4, 23), which is displaceably mounted on at least one guide rod (5, ... | 02/19/2008 |
| 7318760 | Mechanism for transferring total weight of outboard engine from boat and ship A mechanism for transferring total weight of outboard engine from a boat to be loaded onto water surface comprises mainly of two parts, first part is to be fixed to the boat and second part to be fixed to an engine where the second part connected to the first part t... | 01/15/2008 |
| 7316595 | Propeller positioning system which constrains the propeller to follow a path generally parallel to the bottom surface of a boat A propulsion system for a boat including a drive system and a propeller positioning system. The drive system may be of any type, such as outboard motors, inboard/outboard drives, surface drives, etc. The positioning system constrains movement of the propeller shaft ... | 01/08/2008 |
| 7311571 | Hydraulic steering device for a marine propulsion system A support device for a marine propulsion system, such as an outboard motor, provides a swivel bracket that is rotatable about a tilt axis relative to a transom bracket with a hydraulic cylinder formed as an integral part of the swivel bracket. A vertical plane in wh... | 12/25/2007 |
| 7270582 | Power generating and propelling system of vessel A power generating and propelling system of a vessel has an electric power generating device (10) installed between an internal combustion engine (2) and a transmission (3). A stator (11) of the generating device (10) is built in a... | 09/18/2007 |
| 7267587 | Steering system of outboard motor A swivel bracket can be attached to a transom plate of a watercraft by means of a clamp bracket. A steering bracket can be rotationally provided in a swivel shaft of the swivel bracket. An outboard motor body can be secured to the steering bracket. An electric motor... | 09/11/2007 |
| 7255616 | Steering system for a marine propulsion device A steering system for a marine propulsion device eliminates the need for two support pins and provides a hydraulic cylinder with a protuberance and an opening which cooperate with each other to allow a hydraulic cylinder's system to be supported by a single pin for ... | 08/14/2007 |
| 7244152 | Support system for an outboard motor An adapter system is provided as a transition structure which allows a relatively conventional outboard motor to be mounted to a pedestal which provides a generally stationary vertical steering axis. An intermediate member is connectable to a transom mount structure... | 07/17/2007 |
| 7234405 | Sea rescue craft An apparatus, method and system for rescuing persons and distressed vessels, up to about 50 tons displacement, in foul weather and for transporting loaded full sized truck/ship containers or other loads by water. Two pairs of long straight pontoons, each having five... | 06/26/2007 |
| 7234983 | Protective marine vessel and drive A marine vessel and drive combination includes port and starboard tunnels formed in a marine vessel hull raising port and starboard steerable marine propulsion devices to protective positions relative to the keel. ... | 06/26/2007 |
| 7228810 | Powerboat with disappearing tunnel A shallow draft boat has a hull that protects a propulsion propeller within a tunnel that passes only partially through the hull from stern to bow. The hull has a mechanism, such as a flap for selectively permitting or blocking water flow access to the tunnel from u... | 06/12/2007 |
| 7226326 | Outboard motor steering angle and tilt/trim angle regulating system An outboard motor steering angle and tilt/trim angle regulating system includes a pair of hydraulic cylinders each connected, at one end, to the boat through the stern brackets and connected, at the other end, to the outboard motor at a location upward of the one en... | 06/05/2007 |
| 7214113 | Steering handle for outboard motor A steering handle assembly for an outboard motor has a low speed control switch with at least one lead wire that is not twisted during control of the watercraft. The low speed control switch provides precise control of the engine speed of the outboard motor. The ste... | 05/08/2007 |
| 7195526 | Trolling motor mount A trolling motor for use with a watercraft is disclosed. The trolling motor comprises a head portion, a propulsion unit, a shaft coupling the propulsion unit to the head portion, and a mounting system configured to secure the trolling motor to the watercraft and to ... | 03/27/2007 |
| 7186157 | Turning propeller drive for a boat A rotatable propeller drive (1) for a boat, where the propeller drive (1) includes an upper fixing plate (4) adapted for rotationally fixed attachment to the hull bottom (2) of the boat. A lower underwater housing (6) is provided o... | 03/06/2007 |
| 7179143 | Outboard motor steering system An outboard motor steering system for an outboard motor mounted on a stern of a boat and having an internal combustion engine and a propeller with a rudder powered by the engine to propel and steer the boat. The system includes a swivel shaft connected to the propel... | 02/20/2007 |
| 7160163 | Steering device, particularly for marine outboard engines Hydraulic steering device for outboard motors having an end for fastening to transoms of watercrafts. The motor/propeller assembly is mounted on the end to rotate about a substantially vertical steering axis. A closed hydraulic circuit has at least one pump driven b... | 01/09/2007 |
| 7159525 | Hydraulic steering arrangement The invention concerns a hydraulic steering arrangement with a steering motor, a supply path between a pressure source and the steering motor, in which supply path a throttling device and a measuring motor are located, a return path between the steering motor and a ... | 01/09/2007 |
| 7156708 | Marine steering assembly with integrated pivot pin There is provided a hydraulic steering assembly for applying a force to a tiller of a marine, outboard propulsion unit. The steering assembly comprises a hydraulic steering actuator including a cylinder and an elongated piston rods. A pivot member is pivotally mount... | 01/02/2007 |
| 7150663 | Pivoting arrangement for controlling outboard drive of propulsion unit A pivoting arrangement for connecting an actuator to the outboard drive portion of a marine propulsion unit and more particularly to an arrangement for strengthening the pivotal connection without significantly increasing its size and by simplifying its construction... | 12/19/2006 |
| 7150664 | Steering actuator for an outboard motor A steering actuator system for an outboard motor connects an actuator member to guide rails which are, in turn, attached to a motive member such as a hydraulic cylinder. The hydraulic cylinder moves along a first axis with the guide rail extending in a direction per... | 12/19/2006 |
| 7147525 | Hydraulic steering apparatus for an outboard engine A hydraulic steering apparatus 1 has a substantially bow-shaped frame 2, which includes a pair of end portions 2a bent forward. A piston rod 3 is supported by and between the end portions 2a. A hydraulic cylinder 5... | 12/12/2006 |
| 7147524 | Pivoting arrangement for controlling outboard drive of propulsion unit A pivoting arrangement for connecting an actuator to the outboard drive portion of a marine propulsion unit and more particularly to an arrangement for strengthening the pivotal connection without significantly increasing its size and by simplifying its construction... | 12/12/2006 |
| 7134924 | Outboard motor steering system A steering system of an outboard motor is provided that is mounted on a stern of a boat and having an internal combustion engine at its upper portion and a propeller with a rudder at its lower portion that is powered by the engine to propel the boat. The steering sy... | 11/14/2006 |
| 7131386 | Marine propulsion system with pressure compensated hydraulic supply capability A hydraulic system for a marine vessel incorporates a single hydraulic pump that can be driven by either first or second motive devices, such as an internal combustion engine or an electric motor. Depending on the circumstances, the pressure required by the hydrauli... | 11/07/2006 |
| 7128626 | Marine steering assembly with connecting member There is provided a hydraulic steering assembly for applying a force to two or more marine propulsion units. Each propulsion unit has a steering axis and a tilt axis. The tilt axis is generally perpendicular to the steering axis thereof. Each propulsion unit is rota... | 10/31/2006 |
| 7128625 | Tilt and trim system of outboard drive of propulsion unit A tilt and trim system for the outboard drive of a marine propulsion unit wherein the popping up action is effectively damped without positive stops that could cause abrupt stopping and possible damage. ... | 10/31/2006 |
| 7128627 | Marine steering system having swivel bracket forming hydraulic cylinder A steering apparatus for a marine craft has a first bracket connectable to the stern of the marine craft. There is a second bracket connectable to the propulsion unit of the marine craft. The second bracket is rotatably connected to the first bracket for relative ro... | 10/31/2006 |
| 7104853 | Marine 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 |
| 7104854 | Hydraulic system for marine propulsion unit An improved hydraulic system for a marine propulsion unit where it is insured that leakage of the shuttle valve will not permit the propulsion unit to move from the desired position by having a series of shuttle piston operated check valves inn series flow between t... | 09/12/2006 |
| 7070469 | Dual 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 |
| 7066777 | Marine 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 |
| 7063031 | Wake control device for boat A wake control device for a boat, including a mounting member pivotally securable to the boat aft for pivoting about a first axis substantially transverse to the boat aft, a rudder member secured to the mounting member for pivoting about a second axis substantially ... | 06/20/2006 |
| 7052340 | Method and apparatus for air cooled outboad motor for small marine craft An air cooled, belt drive and engine assembly mountable to the transom of small flat bottom boats in much the same manner as water cooled outboard engines with a lower foot that does not extend below the bottom of the boat but extends a sufficient distance behind th... | 05/30/2006 |