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US4040378A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for installing a marine propulsion device

Assignee: Outboard Marine Corp
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Filing: 1975-11-17
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Granted: 1977-08-09
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Expires: 1995-11-17
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Abstract

Abstract Disclosed herein is a marine propulsion installation comprising a boat hull including a bottom surface having therein an aperture, a mounting collar having a lower portion which extends through the aperture and which includes an upper end and a flange extending generally horizontally outwardly from the upper end of the lower portion, a seal sealing the boat hull bottom to the lower portion of the collar, a rigidifying structure extending between the boat hull bottom and the flange of the collar, a mounting bracket having a first portion fixed to the flange and an inner portion, an endless mount of resilient material including an outer surface having therein a recess receiving the inner portion of the mounting bracket, which mount also includes upper and lower surfaces spaced respectively above and below the recess and, a marine propulsion device including an adaptor including a lower end having a downwardly facing surface engaging the upper surface of the mount, and a lower unit including a lower portion extending through the aperture and rotatively supporting an element adapted for propelling the hull through the water, and an upper portion fixed to the lower end of the adaptor and including an upwardly facing surface engaging the lower surface of the mount.

Inventors

  • 👤 Clarence E. Blanchard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 15:19
CPC Classifications
B; B63; B63H; B63H21/00; B63H21/30; B63H21/305; B63H5/00; B63H5/07; B63H2005/075; B63H23/00; B63H23/02; B63H23/10; B63H23/12; B63H23/16; F; F02; F02B; F02B61/00; F02B61/04; F02B61/045

Claims Analysis

Total Claims: 21
Claim 1
Independent Claim 116 words
A boat hull including a bottom having thickness, said bottom having therein an aperture with a length through said bottom substantially equal to said thickness, a mounting collar having a sleeve portion which has a length substantially greater than the thickness of said boat hull bottom, which extends through said aperture, and which includes an upper end having a flange extending generally horizontally outwardly from said sleeve portion and in spaced relation above said boat hull bottom, means sealing said boat hull bottom to said sleeve portion of said collar, and rigidifying means extending between said boat hull bottom and said flange of said collar and comprising a circular series of angularly spaced, vertically extending members.
Claim 2
Dependent Claim 116 words
A boat hull including a bottom having thickness, said bottom having therein an aperture with a length through said bottom substantially equal to said thickness, a mounting collar having a sleeve portion which has a length substantially greater than the thickness of said boat hull bottom, which extends through said aperture, and which includes an upper end having a flange extending generally horizontally outwardly from said sleeve portion and in spaced relation above said boat hull bottom, means sealing said boat hull bottom to said sleeve portion of said collar, and rigidifying means extending between said boat hull bottom and said flange of said collar and comprising a circular series of angularly spaced, vertically extending members.
Claim 3
Dependent Claim 195 words
A boat hull including a bottom surface having therein an aperture, a mounting collar having a sleeve portion which extends through said aperture and which includes an upper end having a flange extending generally horizontally outwardly from said sleeve portion, a mounting bracket having a first portion fixed to said flange and a second portion, means sealing said boat hull bottom to said sleeve portion of said collar, rigidifying means extending between said boat hull bottom and said flange of said collar, an endless mount of resilient material including an outer surface having therein a recess receiving said second portion of said mounting bracket, said mount also including upper and lower surfaces spaced respectively above and below said recess and, a marine propulsion device including an upper part including a lower end having a downwardly facing surface engaging said upper surface of said mount, and a lower unit including a lower portion extending through said aperture and rotatively supporting an element adapted for propelling said hull through the water and an upper portion fixed to said lower end of said upper part and including an upwardly facing surface engaging said lower surface of said mount.
Claim 4
Dependent Claim 195 words
A boat hull including a bottom surface having therein an aperture, a mounting collar having a sleeve portion which extends through said aperture and which includes an upper end having a flange extending generally horizontally outwardly from said sleeve portion, a mounting bracket having a first portion fixed to said flange and a second portion, means sealing said boat hull bottom to said sleeve portion of said collar, rigidifying means extending between said boat hull bottom and said flange of said collar, an endless mount of resilient material including an outer surface having therein a recess receiving said second portion of said mounting bracket, said mount also including upper and lower surfaces spaced respectively above and below said recess and, a marine propulsion device including an upper part including a lower end having a downwardly facing surface engaging said upper surface of said mount, and a lower unit including a lower portion extending through said aperture and rotatively supporting an element adapted for propelling said hull through the water and an upper portion fixed to said lower end of said upper part and including an upwardly facing surface engaging said lower surface of said mount.
Claim 5
Dependent Claim 27 words
A boat hull in accordance with claim 1 wherein said collar further includes a lower flange which extends inwardly from the lower end of said sleeve portion.
Claim 6
Dependent Claim 16 words
A boat hull in accordance with claim 1 wherein said sealing means comprises a plastic material.
Claim 7
Dependent Claim 132 words
A marine propulsion installation comprising a boat hull including a bottom having therein an aperture, and a support located in said boat hull above said bottom and adjacent to said aperture, a mounting bracket having a portion fixed to said support, an endless mount of resilient material carried by said mounting bracket and including upper and lower surfaces, and a marine propulsion device including an adaptor including a lower end having a downwardly facing surface engaging said upper surface of said mount, and a lower unit including a lower portion extending through said aperture and rotatively supporting an element adapted for propelling said hull through the water and an upper portion fixed to said lower end of said adaptor and including an upwardly facing surface engaging said lower surface of said mount.
Claim 8
Dependent Claim 132 words
A marine propulsion installation comprising a boat hull including a bottom having therein an aperture, and a support located in said boat hull above said bottom and adjacent to said aperture, a mounting bracket having a portion fixed to said support, an endless mount of resilient material carried by said mounting bracket and including upper and lower surfaces, and a marine propulsion device including an adaptor including a lower end having a downwardly facing surface engaging said upper surface of said mount, and a lower unit including a lower portion extending through said aperture and rotatively supporting an element adapted for propelling said hull through the water and an upper portion fixed to said lower end of said adaptor and including an upwardly facing surface engaging said lower surface of said mount.
Claim 9
Dependent Claim 31 words
A marine propulsion installation in accordance with claim 5 wherein said mount includes an outer surface located between said upper and lower surfaces and including a recess receiving said mounting bracket.
Claim 10
Dependent Claim 38 words
An installation in accordance with claim 5 and further including means on said mount and on at least one of said adaptor and said lower unit for preventing rotation of said propulsion device relative to said boat hull.
Claim 11
Independent Claim 155 words
A method of providing a support for a marine propulsion device located in a boat hull and extending through the boat hull bottom, said method comprising the steps of providing a boat hull having water-tight integrity, forming in the boat hull bottom an aperture, inserting in the aperture a collar including a lower tubular portion extending through the aperture and having an upper flange portion extending outwardly from the tubular portion in spaced relation above the boat hull bottom, rigidly fixing the flange portion to the boat hull, mounting a marine propulsion device on the collar with a portion thereof extending through the collar tubular portion to below the boat hull, and sealing the collar to the boat hull and the marine propulsion device to the collar to provide water-tight integrity between the boat hull and the collar and between the collar and the propulsion device and thereby restore water-tight integrity to the boat hull.
Claim 12
Independent Claim 155 words
A method of providing a support for a marine propulsion device located in a boat hull and extending through the boat hull bottom, said method comprising the steps of providing a boat hull having water-tight integrity, forming in the boat hull bottom an aperture, inserting in the aperture a collar including a lower tubular portion extending through the aperture and having an upper flange portion extending outwardly from the tubular portion in spaced relation above the boat hull bottom, rigidly fixing the flange portion to the boat hull, mounting a marine propulsion device on the collar with a portion thereof extending through the collar tubular portion to below the boat hull, and sealing the collar to the boat hull and the marine propulsion device to the collar to provide water-tight integrity between the boat hull and the collar and between the collar and the propulsion device and thereby restore water-tight integrity to the boat hull.
Claim 13
Independent Claim 202 words
A method of providing a support for a marine propulsion device extending through the bottom of a boat hull, said method comprising the steps of forming an aperture in the bottom of the boat hull, inserting in the aperture a collar having a lower tubular portion extending through the aperture and having an upper flange portion extending outwardly from the tubular portion, rigidly fixing the flange portion to the boat hull, sealing the lower portion of the collar to the boat hull to prevent entry of water into the boat hull between the boat hull bottom and the lower portion of the collar, fixing a mounting ring on the flange portion with an annular resilient mounting member located on the ring inwardly of the flange portion, resting a part of the marine propulsion device on the resilient annular member, and fixedly assembling a lower unit of the marine propulsion device to the part with the mounting member being captured between the part and the lower unit to thereby support and vibrationally isolate the part and lower unit from the ring and to prevent entry of water into the boat hull between the ring and the assembly of the part and lower unit.
Claim 14
Independent Claim 202 words
A method of providing a support for a marine propulsion device extending through the bottom of a boat hull, said method comprising the steps of forming an aperture in the bottom of the boat hull, inserting in the aperture a collar having a lower tubular portion extending through the aperture and having an upper flange portion extending outwardly from the tubular portion, rigidly fixing the flange portion to the boat hull, sealing the lower portion of the collar to the boat hull to prevent entry of water into the boat hull between the boat hull bottom and the lower portion of the collar, fixing a mounting ring on the flange portion with an annular resilient mounting member located on the ring inwardly of the flange portion, resting a part of the marine propulsion device on the resilient annular member, and fixedly assembling a lower unit of the marine propulsion device to the part with the mounting member being captured between the part and the lower unit to thereby support and vibrationally isolate the part and lower unit from the ring and to prevent entry of water into the boat hull between the ring and the assembly of the part and lower unit.
Claim 15
Independent Claim 140 words
A method of installing a marine propulsion device including an adaptor and a lower unit into a boat hull, which method comprises the steps of forming a support in the boat hull around an opening in the bottom of the boat hull, fixing a mounting plate on the support with an annular resilient mounting member located on the plate inwardly of the support, resting the adaptor of the marine propulsion device on the resilient annular member, and fixedly assembling the lower unit of the marine propulsion device to the adaptor with the annular mounting member being captured between the adaptor and the lower unit to thereby support and vibrationally isolate the adaptor and lower unit from the plate and to prevent entry of water into the boat hull between the plate and the assembly of the adaptor and lower unit.
Claim 16
Independent Claim 140 words
A method of installing a marine propulsion device including an adaptor and a lower unit into a boat hull, which method comprises the steps of forming a support in the boat hull around an opening in the bottom of the boat hull, fixing a mounting plate on the support with an annular resilient mounting member located on the plate inwardly of the support, resting the adaptor of the marine propulsion device on the resilient annular member, and fixedly assembling the lower unit of the marine propulsion device to the adaptor with the annular mounting member being captured between the adaptor and the lower unit to thereby support and vibrationally isolate the adaptor and lower unit from the plate and to prevent entry of water into the boat hull between the plate and the assembly of the adaptor and lower unit.
Claim 17
Independent Claim 138 words
A method of installing a marine propulsion device including an upper part and a lower unit into a boat hull, which method comprises the steps of forming a support member in the boat hull around an opening in the bottom of the boat hull, locating an annular resilient mounting member on the support member, resting the upper part of the marine propulsion device on the resilient annular member, and fixedly assembling the lower unit of the marine propulsion device to the upper part with the annular mounting member being captured between the upper part and the lower unit to thereby support and vibrationally isolate the upper part and lower unit from the support member and to prevent entry of water into the boat hull between the support member and the assembly of the upper part and lower unit.
Claim 18
Independent Claim 138 words
A method of installing a marine propulsion device including an upper part and a lower unit into a boat hull, which method comprises the steps of forming a support member in the boat hull around an opening in the bottom of the boat hull, locating an annular resilient mounting member on the support member, resting the upper part of the marine propulsion device on the resilient annular member, and fixedly assembling the lower unit of the marine propulsion device to the upper part with the annular mounting member being captured between the upper part and the lower unit to thereby support and vibrationally isolate the upper part and lower unit from the support member and to prevent entry of water into the boat hull between the support member and the assembly of the upper part and lower unit.
Claim 19
Dependent Claim 123 words
A marine propulsion installation comprising a boat hull including a bottom having therein an aperture, and a member fixed in said boat hull above said bottom and adjacent to said aperture, an endless mount of resilient material carried by said member and including upper and lower surfaces, and a marine propulsion device including an upper part including a lower end having a downwardly facing surface engaging said upper surface of said mount, and a lower unit including a lower portion extending through said aperture and rotatively supporting an element adapted for propelling said hull through the water and an upper portion fixed to said lower end of said upper part and including an upwardly facing surface engaging said lower surface of said mount.
Claim 20
Dependent Claim 123 words
A marine propulsion installation comprising a boat hull including a bottom having therein an aperture, and a member fixed in said boat hull above said bottom and adjacent to said aperture, an endless mount of resilient material carried by said member and including upper and lower surfaces, and a marine propulsion device including an upper part including a lower end having a downwardly facing surface engaging said upper surface of said mount, and a lower unit including a lower portion extending through said aperture and rotatively supporting an element adapted for propelling said hull through the water and an upper portion fixed to said lower end of said upper part and including an upwardly facing surface engaging said lower surface of said mount.
Claim 21
Dependent Claim 38 words
An installation in accordance with claim 12 and further including means on said mount and on at least one of said member and said lower unit for preventing rotation of said propulsion device relative to said boat hull.

References Cited (Backward Citations)

US1473049A Cited
US1774956A Cited
US2633817A Cited
US2748743A Cited
US3094967A Cited
US3372408A Cited
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-08-08 1981-02-07 1981-08-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-08-08 1985-02-07 1985-08-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-08-08 1989-02-07 1989-08-09 $7700.00 Window Closed / Lapsed

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