Matches 1 - 43 out of 43
Match Document Document Title
6896565 Protective cage for an outboard motor and holding device thereof  
Arrangement for protecting an outboard motor. The arrangement includes a holding device which is made of steel and which is adapted to be detachably fixed to a shaft of the outboard motor. The...
6821167 Outboard motor  
An outboard motor which includes a driving motor, a switching device, an impeller and a blade casing. The switching device switches rotation of a drive shaft of the driving motor between normal and...
6716263 Air suction device for use in surface boat  
An air suction device for a surface boat having a filter element of paper type arranged in an air suction passage of an engine. The filter element is composed of a core made of a filter material...
6478640 Propeller safety guard for outboard and stern drive motors  
The Propeller Safety Guard is a wire mesh type enclosure covering the perimeter of the propeller as well as the rear plan of the propeller. The upper section of the guard is bolted to the underside...
6220906 Marine propulsion assembly  
A marine propulsion assembly comprises a drive shaft, a first propeller fixed to the drive shaft and turnable therewith in a first direction, an annular array of gear teeth disposed on the first...
5947782 Motorized tubular flotation apparatus  
A propulsion apparatus is mounted on at least one end of a flexible tubular flotation member which is mountable about the body of the user. The propulsion apparatus is capable of propelling the...
5928042 Propeller guard  
A propeller guard for use in association with a boat propulsion propeller driven by an outboard motor or an inboard/outboard rear motor drive unit. The propeller guard may be constructed of...
5759075 Propeller guard  
A guard for a marine propeller utilizing a flange found on the lower drive unit or power leg, thereof. The guard includes a cage which at least partially encloses the propeller and a support member...
5651707 Propulsive thrust ring system  
A low-aspect ratio propeller system is provided with a multiple ring structure formed with a plurality of circular or non-circular, annular, narrow equivalent air foil rings which are held by rails...
5470262 Propeller enclosure  
The present invention relates to a propeller enclosure for enclosing a skeg and propeller. The invention includes a fence portion which defines a first chamber. The first chamber is designed for...
5224889 Propeller guard  
A device to protect the propellor of a boat from damage caused by striking underwater obstacles, when the boat is moving in any direction relative to the obstacles, and to improve the movement of...
5207605 Outboard propeller guard  
Two angle brackets secure a severely swept plastic wing-like propeller guard to the sides of the motor housing or skeg. The left and right wing-like projections have a horizontal center wing...
5205766 Propeller guard  
A propeller guard for an outboard or stern drive motor having increased rigidity and stiffness is disclosed. The guard comprises an arcuate main spine, a plurality of side ribs and an upright...
5176550 Engine propeller blade and lower unit protector  
The propeller and lower unit protector is made from a high grade steel and has a spring like U-shaped top member for sliding in a generally horizontal direction over an outboard engine cavitation...
D325916 Propeller cage for a boat motor  
D322256 Propelled guard for boat motor  
D322074 Outboard propeller guard  
5066254 Boat propeller guard  
The propellor guard described herein is designed primarily for the protection of manatee but is also useful in protection against injury to other animals and larger fish which might come in contact...
5009620 Propeller guard  
A propeller guard is provided with replaceable ribs that form a cage is placed around the propeller of an outboard marine propulsion unit. The ribs are suspended from a flat upper plate adapted to...
4957459 Propeller shroud with load bearing structure  
In a marine drive (10), a propeller shroud is provided by a cage (24) having internal spoke structure (26, 28, 38, 40, 46, 48) and having retainer structure (50, 74) mounting the cage (24) to the...
4926781 Portable 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 horizontal main panel with an opening for a user...
4826461 Propeller protector  
A propeller protector (26) is provided by a two piece hub structure (28, 30). Each piece has an inner arcuate portion (32, 34) substantially conforming to the side of the torpedo housing (14) of...
4726183 Self retracting screens for turbomachinery  
A self retracting screen for turbomachinery comprised of a number of interlocking wires, the wire ends being pivotally attached to the periphery of the normal inlet of the turbomachinery....
4718871 Aquatic growth cutter  
An upper and a lower blade are fixed together at an adjustable angle and have means for mounting same on the leading edge of the propeller drive housing of an inboard/outboard motor to cut kelp and...
4680017 Motorboat propeller guard for improved performance  
A propeller guard includes a rigid U-shaped sleeve which has a pair of legs extending on either side of the lower housing in the motor. The cavitation plates on the lower housing are received...
4411631 Propeller guard  
A vessel, in particular a ferry, intended for use in ice-filled waters, is provided with a propeller guard having the form of a rigid grid construction and being arranged to enclose one or several...
4223627 Propulsion device for embedding in an iceberg  
The device comprises an assembly of three principal components, a member for embedding in the rear wall of a tabular iceberg at some depth below the water line, a support structure projecting...
4106425 Marine propulsion unit with protected screw  
The screw of a marine propulsion unit is mounted in a passage of an elongated casing in an axially central position. The two axially terminal portions of the passage contain protective devices for...
4078516 Propeller guard  
A cage-type enclosure is provided for the lower end portions of the upstanding power leg of an outboard marine propulsion unit from which the propeller of the unit is journaled with the cage...
4070984 Outboard motor and weed guard therefor  
An outboard motor provided with a horizontally elongated marine propeller drive housing having a shaft journalled therein and a marine propeller mounted on the rear end of the shaft. A weed guard...
4013033 Weed guard for trolling motors  
A truncated cone-shaped hollow body is provided and defined by a plurality of graduated size and axially spaced circular band portions interconnecting with a plurality of elongated...
3889624 Retractable propeller guard for outboard motor or stern drive unit  
A clamp-type mounting bracket including front and rear ends is provided for clamping engagement about the lower portion of the upstanding power leg of an outdrive marine propulsion unit of the type...
3859953 ELECTRIC TROLLING MOTOR WEED GUARD  
A weed guard made of metal rods sits or clamps on an electric trolling loader. Aquatic weeds are gently swept around the propeller instead of becoming entangled with the propeller shaft.
3802377 LOWER UNIT WEED GUARD  
A truncated cone-shaped hollow body is provided and includes a plurality of axially spaced circumferential rows of openings formed therethrough. The body is further provided with a longitudinal...
3791333 AIR MOTOR  
A guard structure for the air-moving propeller of a marine air motor for over-water propulsion utilizing a combustion engine operatively connected to such propeller for rotating the same, in which...
3358635 Swimmer's towing device  
3161173 Water craft and propulsion means therefor  
3149605 Outboard propulsion unit steering assist apparatus  
3111109 Water cycle swimming apparatus  
3035538 Propeller guards  
2983246 Propeller guard for outboard motorboat  
2822183 Wheeled propeller sheath  
2791981 Boat  
Matches 1 - 43 out of 43