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4977845 |
Boat propulsion and handling system
An improved boat construction is disclosed in which a boat, having the typical elongated hull, bow and stern, has a bottom configured as a hydroplane including a transverse step spaced from the bow...
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4968275 |
Stabilizer for a motor boat
The present invention provides a stabilizer attached to the cavitation plate on the leg of a motor boat motor. Two elongated tubular members are attached by mounting brackets to the motor's...
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4961396 |
Trim adjusting device for jet propulsion boat
A jet propulsion boat having an improved arrangement for rigidly affixing a trim adjusting plate to the underside rear portion of the boat hull and which permits adjustment of the trim angle of the...
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4947781 |
Attachment for improving the ride of small marine pleasure craft
Small marine pleasure craft, such as jet skis, which have a tendency to "porpoise" or pitch fore and aft at cruising speeds, are provided at the aft end of the hull thereof with a ride plate and ,...
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4909175 |
Boat with trimmable bottom
A resilient trim plate which, when mounted in cantilever fashion on the bottom of a boat and when adjusted, provides for trimming of the boat when the boat is underway and moves over the water. The...
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4896622 |
Attitude control apparatus for speedboats
A mechanism with one foot pedal for controlling the fore-and-aft attitude of a high-speed boat having the usual cavitation or trim plate. When the foot pedal is depressed the cavitation plate is...
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4854259 |
Improved trim-tab control system for power boats
An improved trim-tab control for boats has for each trim tab a yoke movably secured to a frame, a mechanical link between the yoke and the trim tab such that yoke and trim tab move in unison, a...
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4836124 |
Mounting assembly with trim plate for outboard motors
A mounting assembly for an outboard motor includes a motor mount having a transom mounting bracket attachable to a boat transom and a motor supporting bracket spaced aft of and pivotally connected...
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4832642 |
Outboard boat propulsion installation
Two centrifugal pump and paddle type boat propulsion devices are mounted in astern outboard positions on two swingable vanes, respectively, projecting aft of a boat hull, spaced athwartships of the...
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4776295 |
Boat flaps for controlling and steering a boat operating at low speeds
The present invention is directed to spring biased trolling flaps used in conjunction with a motorized fishing boat for limiting the speed of the boat while trolling and coupled to the steering...
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4762079 |
Trim tab actuator for marine propulsion device
A trim tab actuator for a marine propulsion device wherein a plurality of watercraft running conditions are sensed and a trim tab is automatically positioned so as to maintain the watercraft in its...
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4682560 |
High force release and reset mechanism for supporting a structure from a boat hull
Apparatus for pivotally mounting a structure on a boat hull for pivotal movement between a position wherein the structure extends downwardly into the water and a retracted position. The apparatus...
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4577580 |
Trolling attachment for boats
A trolling attachment for motor boats comprises pivotal trolling flaps for securement to the transom of a boat so that the flaps may be lowered into and raised from the water as required. The flap...
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4420741 |
Trim tab position monitor and display device
An electronic position monitor (10) and readout device (72, 90) for trim tabs on boats in which the monitor and readout device are connected to the trim tab controls. The device is electronic and...
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4323027 |
Trim tab for power boat
The inventive trim tab 10 is formed of a single piece of tough, rigid resin providing an integral mounting plate 12 and a lifter 11 extending aft from a bottom region of a power boat transom 15....
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4232626 |
Device for controlling the orientation of a boat in water
In a boat, trimming flaps are pivotally mounted one on each side at the stern and operated by individual electric motors and screw and nut drives enclosed in housings serving as links between the...
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3938458 |
Adjustable boat hull
Disclosed herein is a boat including a hull comprising a bottom surface including a panel having leading and trailing edges, together with forward and rearward bottom surface portions adjacent to...
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3783817 |
MECHANICAL TRIM TAB MEANS FOR MARINE CRAFT
A pair of trim tabs are pivotally connected to the transom of a power boat adjacent to the water line. The angle of the trim tabs is adjusted to desired operating positions by a hand operated lever...
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3769927 |
TRIM TABS FOR BOATS
Boat stabilizing apparatus having a pair of independently adjustable rigid trim tab plates mounted on the stern on opposite sides of the longitudinal center line of the boat. A pivot rod is...
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3763810 |
HIGH SPEED BOAT WITH PLANING HULL
A boat capable of cutting through rough waves at high speed with astonishing stability has a hull provided with a flat planing surface which in plan is the shape of a thin wedge or delta. The sides...
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3760758 |
AUTOMATIC TRIM TAB MEANS FOR MARINE CRAFT
A pair of trim tabs are pivotally connected to the transom of a boat adjacent to the water line. The angle of each trim tabs is adjusted automatically by an adjustable spring loaded linkage. The...
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3683840 |
WATER BORNE AMPHIBIOUS VEHICLE
A water borne amphibious vehicle having a fuselage generally formed to provide a low air resistant surface and aerodynamic stabilizers, and at least one flotation drive wheel of generally spherical...
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3678874 |
CONVERTIBLE BOAT
This invention relates to a boat hull provided with improved flap or vane means at the stern portion of the hull for use in converting the hull in an expeditious and simplified fashion from one...
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3628485 |
PLANING BOAT WITH STEPPED HULL
A planing boat having a step near the stern, with the bottom aft of the step normally out of water. The boat is provided with one or more trim flaps attached along their forward edges to the...
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3628484 |
TRIM TAB MEANS FOR MARINE CRAFT
A pair of trim tabs are pivotally connected to the transom of a craft adjacent the water line. The angle of the trim tabs is adjusted by a linkage comprising a rigid member connected to a...
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3628486 |
AUTOMATIC TRIM ATTACHMENT FOR POWER BOATS
A boat having a pair of trim tabs pivotally mounted rearwardly of the transom on transverse axes intermediate the leading and trailing edges of the trim tabs. The trim tabs are operable at slow...
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3602178 |
BOAT PLANING AND BRAKE APPARATUS
Boat planing and brake apparatus having a fin connectable to a transom of a boat and adapted to be swung between a horizontal planing position and on inclined braking position, the fin having an...
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3601078 |
AUTOMATIC TRIM TAB
A pair of spaced trim tabs are supported at the bottom of the transom of a boat to extend therebelow when the boat is at rest and when operating at a low speed. Each tab is a like unit element made...
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3581696 |
HEELING COMPENSATING TRIM PLATE ARRANGEMENT FOR MOTOR BOATS
A heeling preventing trim plate arrangement for motor boats in which a linkage is connected between the steering means of the boat and a pair of trim plates. The parts are constructed so that when...
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3568618 |
TRIM TAB
A pair of spaced trim tabs are supported at the bottom of the transom of a boat to extend therebelow when the boat is at rest and when operating at a low speed. Each tab is pivotally supported by a...
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3565030 |
ADJUSTABLE STABILIZER FOR BOATS
A stabilizer device for boats to maintain a boat in a substantially horizontal position during forward movement of the same and to resist tilting, rolling or bobbing movements of the boat due to...
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3530816 |
POWER BOAT STABILIZING APPARATUS
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3520265 |
CONTROL MEANS FOR STABILIZING WATERCRAFT
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3500784 |
SURFACE CRAFT
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3491711 |
BOAT WITH FERRO-CONCRETE HULL
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3456610 |
BOAT TRIMMER
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3435795 |
TRIM AND PLANING CONTROL MEANS FOR WATERCRAFT
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3399643 |
Trim attachment for power boats
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3391667 |
Motorized boat stabilizing units
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3372663 |
Boat stabilizing units
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3371642 |
Trim control device for boats
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3370561 |
Trim and heeling board device for boats
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3327671 |
Boat trimming means
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3203015 |
Apparatus for providing a displacement hull having auxiliary planing surfaces
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3200782 |
Power boat attachment
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3159131 |
Boat trim flaps
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3120210 |
Boat with adjustable longitudinal planing device
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3117547 |
Boat
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3081727 |
High speed water surface craft
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3058442 |
Apparatus for controlling the motion of boats
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