Side mount stern drive

Claim 2

A marine propulsion device comprising a propulsion unit including a first part having a projecting portion, a gearcase, and a propeller shaft rotatably supported in said gearcase, said propulsion unit also including a second part including first and second portions with said second portion rotatably receiving therein said projecting portion of said first part, a structure including a part adapted to extend inwardly relative to the transom of a boat and including means for rotatably supporting said propulsion unit second part for vertical swinging movement about a generally horizontal tilt axis and with said second propulsion unit part having said first portion extending on one side of said structure and said second portion extending on the other side of said structure and said projecting portion of said first part extending for rotation about an axis transverse to said horizontal axis, a drive shaft coaxial with said transverse axis and extending through said propulsion unit, means for connecting said drive shaft to said propeller shaft, and means movably mounted on said first portion of said vertically swingable propulsion unit second part and connected to said projecting portion of said first part for rotating said first part about said transverse axis to afford steering of sAid first part.

Claim 3

A propulsion device in accordance with claim 1, wherein said means for rotatably supporting said propulsion unit for swinging movement about a horizontal tilt axis comprises a support adapted to be connected to a boat transom, said support having opposed spaced sidewalls, said sidewalls having first and second coaxial apertures, a first member having a portion journaled within said first aperture, a second member having a portion journaled in said second aperture, and means connecting said members to said second part for affording rotation of said second part about a horizontal tilt axis coaxial with said axis of said first and second apertures.

Claim 4

A propulsion device in accordance with claim 2, wherein said portions of said first and second members journaled in said apertures are symmetrical and interchangeably interfit in each of said apertures.

Claim 5

A propulsion device in accordance with claim 2, including a steering shaft rotatably supported in one of said first and second members, a steering arm on said shaft, said steering arm extending transversely to said shaft and connectable to a remote steering arrangement, and means connecting said shaft to said projecting portion of said first part.

Claim 6

A propulsion device in accordance with claim 4, wherein said means connecting said steering shaft to said projecting portion of said first part comprises a pulley on said shaft and a pulley on said projecting portion and an endless band reeved on said pulleys.

Claim 7

A device in accordance with claim 4, wherein said means connecting said steering shaft to said projecting portion comprises a gear segment on said steering shaft, a gear segment on said projecting portion, and an intermediate gear in mesh with said gear on said steering shaft and said gear on said projecting portion.

Claim 8

A propulsion device in accordance with claim 2, including an engine with an output shaft, and means for mounting one part of said engine to said propulsion unit so as to afford a plurality of engine-mounting positions in planetary relation to said horizontal tilt axis and with said engine output shaft being rotatable about a generally horizontal axis parallel to said horizontal tilt axis of said propulsion unit.

Claim 9

A propulsion device in accordance with claim 7, wherein said means for mounting said engine in said propulsion unit to afford a plurality of mounting positions comprises a first mounting member, means for securing said first mounting member to said support to afford a plurality of selective mounting positions of said first mounting member about said horizontal tilt axis, a second mounting member, means for securing said second mounting member in overlapping relation to said first mounting member and in planetary relation to said horizontal axis to afford a plurality of positions of said second mounting member with respect to said first mounting member.

Claim 10

A propulsion device in accordance with claim 8 wherein said means for securing said first mounting member to said support comprises a plurality of circumferentially spaced apertures in said first member, bolts which extend through said apertures and are engageable with said support, and wherein said means for securing said second support member to said first support member comprises a plurality of circumferentially arranged apertures, and bolts extendable through said apertures in said second mounting member and receivable in apertures in said first mounting member.

Claim 11

A propulsion device in accordance with claim 7, including means for adjustably supporting another part of said engine to a transom.

Claim 12

A device in accordance with claim 10, wherein said means for adjustably mounting another part of said engine to said transom comprises a bracket adapted to be secured to a transom, said bracket including a guideway, a slide movable in said guideway, said slide including a resilient engine mount provided with a projecting stud engageable with said engine, and means for securing said slide to sAid bracket.

Claim 13

Apparatus for prealigning a rear engine mounting bracket comprising a stub shaft having a coaxial opening, said stub shaft being adapted for coaxial connection with an engine output shaft, an engine-mounting bracket having an aperture adapted to receive a projecting stud from an engine mount and an alignment rod having one end adapted to project into said aperture in said stub shaft, and a second end adapted to project into said aperture in said bracket when said aperture in said bracket is coaxially aligned with said aperture in said stub shaft.

Claim 14

Apparatus for prealigning a rear engine mounting bracket comprising a stub shaft having a coaxial opening, said stub shaft being adapted for coaxial connection with an engine output shaft, an engine-mounting bracket having an aperture adapted to receive a projecting stud from an engine mount and an alignment rod having one end adapted to project into said aperture in said stub shaft, and a second end adapted to project into said aperture in said bracket when said aperture in said bracket is coaxially aligned with said aperture in said stub shaft.

Claim 15

A boat hull having a transom with an opening in combination with a marine propulsion device comprising a drive shaft housing, said drive shaft housing extending through said opening in said transom, said drive shaft housing including upper and lower housing sections, said lower section being rotatably connected to said upper housing section, a projecting portion on said lower housing section extending through said upper housing section, a drive shaft rotatably supported in said drive shaft housing, a fixed housing secured to said transom and located on the inboard side of said transom, said fixed housing having opposed spaced sidewalls, first and second coaxial apertures in said sidewalls, a first bushing located in said first aperture and a second bushing located in said second aperture, said bushings being secured to the upper end of said upper housing section, a cross-shaft rotatably supported in said bushings for rotation about an axis coaxial to said axis of said first and second apertures, one of said bushings including a transverse steering shaft rotatably supported in said bushing for rotation about an axis parallel to said drive shaft, a pulley on said steering shaft, a pulley on said projecting portion, a belt connecting said pulleys, an engine, a first engine-mounting member having a plurality of circumferentially arranged apertures, bolts securing said first engine-mounting member to said fixed housing, a second engine-mounting member having a resilient mount connected to one end of said engine, a plurality of circumferentially arranged apertures in said second mounting member and bolts extending through said apertures in said second mounting member and threadable in some of said apertures in said first mounting member, and means for adjustably supporting the other end of said engine to said transom.

Claim 16

A boat hull having a transom with an opening in combination with a marine propulsion device comprising a drive shaft housing, said drive shaft housing extending through said opening in said transom, said drive shaft housing including upper and lower housing sections, said lower section being rotatably connected to said upper housing section, a projecting portion on said lower housing section extending through said upper housing section, a drive shaft rotatably supported in said drive shaft housing, a fixed housing secured to said transom and located on the inboard side of said transom, said fixed housing having opposed spaced sidewalls, first and second coaxial apertures in said sidewalls, a first bushing located in said first aperture and a second bushing located in said second aperture, said bushings being secured to the upper end of said upper housing section, a cross-shaft rotatably supported in said bushings for rotation about an axis coaxial to said axis of said first and second apertures, one of said bushings including a transverse steering shaft rotatably supported in said bushing for rotation about an axis parallel to said drive shaft, a pulley on said steering shaft, a pulley on said projecting portion, a belt connecting said pulleys, an engine, a first engine-mounting member having a plurality of circumferentially arranged apertures, bolts securing said first engine-mounting member to said fixed housing, a second engine-mounting member having a resilient mount connected to one end of said engine, a plurality of circumferentially arranged apertures in said second mounting member and bolts extending through said apertures in said second mounting member and threadable in some of said apertures in said first mounting member, and means for adjustably supporting the other end of said engine to said transom.

Claim 17

A marine propulsion device adapted for support on a boat adjacent the transom thereof, said device comprising a propulsion unit including first part including a gearcase and a projecting portion, said propulsion unit also including a second part having a hollow interior which rotatably supports said projecting portion about an axis for pivotal steering movement, means for rotatably supporting said propulsion unit second part on a transom for vertical swinging movement about a generally horizontal tilt axis transverse to said steering movement axis and with a portion of said second part extending forwardly of the transom within a boat, and means movably swingably mounted on said vertically tiltable portion of said second propulsion unit part located forwardly of the transom and connected to said projecting portion of said first part for pivoting said first part about said steering movement axis.

Claim 18

A marine propulsion device adapted for support on a boat adjacent the transom thereof, said device comprising a propulsion unit including first part including a gearcase and a projecting portion, said propulsion unit also including a second part having a hollow interior which rotatably supports said projecting portion about an axis for pivotal steering movement, means for rotatably supporting said propulsion unit second part on a transom for vertical swinging movement about a generally horizontal tilt axis transverse to said steering movement axis and with a portion of said second part extending forwardly of the transom within a boat, and means movably swingably mounted on said vertically tiltable portion of said second propulsion unit part located forwardly of the transom and connected to said projecting portion of said first part for pivoting said first part about said steering movement axis.

Claim 19

A marine propulsion device in accordance with claim 14, wherein said means for rotatably supporting said propulsion unit for vertical swinging movement about a horizontal tilt axis comprises a support adapted to be connected to a boat transom, a hydraulic cylinder having a piston rod with one of said cylinder and said piston rod being connected to said second part and the other of said piston and said cylinder being connected to said support.

Claim 20

A marine propulsion device comprising a propulsion unit, said propulsion unit including a first part having an axial extension, a second part having a hollow interior, said axial extension being journaled in said hollow interior of saiD second part and a support for rotatably supporting said propulsion unit for swinging movement in a vertical plane about a generally horizontal tilt axis, said support including opposed spaced walls defining a cavity therebetween and wherein said axial extension of said first part projects into said cavity within said hollow interior of said second part, and means connected to said axial extension in said cavity to afford rotation of said first part about an axis transverse to the horizontal tilt axis.

Claim 21

A marine propulsion device comprising a propulsion unit, said propulsion unit including a first part having an axial extension, a second part having a hollow interior, said axial extension being journaled in said hollow interior of saiD second part and a support for rotatably supporting said propulsion unit for swinging movement in a vertical plane about a generally horizontal tilt axis, said support including opposed spaced walls defining a cavity therebetween and wherein said axial extension of said first part projects into said cavity within said hollow interior of said second part, and means connected to said axial extension in said cavity to afford rotation of said first part about an axis transverse to the horizontal tilt axis.

Claim 22

A marine propulsion unit in accordance with claim 16, including a water intake tube, a water pump including a pump body, flexible drive means connected to said water pump, and means swingably mounting said water pump body to said intake tube to afford movement of said pump to tighten said drive means.

Claim 23

The assembly of a boat hull having a transom, a marine propulsion device comprising a propulsion unit, means for rotatably supporting said propulsion unit on said boat hull for vertical swinging movement relative to said boat hull about a generally horizontal tilt axis, an engine having an output shaft, and means for mounting said engine on said means for rotatably supporting said propulsion unit to afford a plurality of engine-mounting positions in planetary relation to said horizontal tilt axis with said output shaft parallel to said horizontal tilt axis.

Claim 24

The assembly of a boat hull having a transom, a marine propulsion device comprising a propulsion unit, means for rotatably supporting said propulsion unit on said boat hull for vertical swinging movement relative to said boat hull about a generally horizontal tilt axis, an engine having an output shaft, and means for mounting said engine on said means for rotatably supporting said propulsion unit to afford a plurality of engine-mounting positions in planetary relation to said horizontal tilt axis with said output shaft parallel to said horizontal tilt axis.

Claim 25

An assembly in accordance with claim 18, wherein said engine is mounted on one of the port and starboard sides of said boat hull and a battery mounted on the other of said port or starboard sides of said hull to counterbalance said engine.