US3113546A - Boat fender device - Google Patents

Boat fender device Download PDF

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Publication number
US3113546A
US3113546A US262807A US26280763A US3113546A US 3113546 A US3113546 A US 3113546A US 262807 A US262807 A US 262807A US 26280763 A US26280763 A US 26280763A US 3113546 A US3113546 A US 3113546A
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core
boat fender
boat
covering
sleeve
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Expired - Lifetime
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US262807A
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Albert E Mountcastle
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/20Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
    • E02B3/26Fenders
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/30Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways

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  • This invention relates to an improved boat fender or bumper and more specifically to such a device which is formed of material and in a manner to provide a structure having requisite buoyancy and yet is sufi'iciently rugged to withstand long and hard usage.
  • the boat fender or bumper of this invention is formed of a core of resilient material which has a longitudinal passageway therethrough in which is mounted structure for attaching a mooring line.
  • a sheet of cellular material is disposed about the core to provide the principal resilient body structure having the desired diameter and this assembly is then provided with a water repellent covering.
  • the improved features of the invention reside in the details of the mooring line mounting structure and in the manner of affixing the covering to the resilient body to provide a device which is readily manipulable by the user, is buoyant, Water repellent and practically indestructible by fire or high temperature conditions.
  • the principal object of this invention is to provide a boat fender or bumper which has the requisite physical characteristics for preventing damage to a boat by the landing dock structure.
  • Another object of this invention is to provide a boat fender or bumper which is of relatively light weight and is readily handled by the user.
  • Another object of this invention is to provide a boat fender or bumper which is constructed of material and in a manner to permit usage over extended periods of time.
  • FIG. 1 is a view in plan of the assembled boat fender of this invention with a portion sectioned to show details of construction of one end of similarly formed ends;
  • FIG. 2 represents a view taken on the line 2-2 of FIG. 1 but for the purpose of clarity shows only portions thereof in true section.
  • the assembled boat fender is indicated generally at and is constructed of a rubber core 11 which has a longitudinal passageway 12 extending therethrough in which mooring line structure, to be described later in detail, is located.
  • the principal part of the fender is formed of foam or cellular material 13 which may be rubber, resin, etc., in sheet form permitting it to be wrapped about the core 11 in spiral fashion, as shown in FIG. 2.
  • the sheet may be considered to have a width of three feet and the spiral configuration, when completed, may have a diameter of two feet.
  • the purpose of the foam sheet is to provide a pliable or resilient body of light weight buoyant material and in order to prevent this material from being damaged or effected by heat or water, a covering is added which may, for example, be nylon cord tire fabric to provide a water repellent and heat resistant assembly.
  • the covering as shown in FIG. 1 is formed of a sleeve section indicated at 14 for the periphery of the spiralled sheet 13 and similar end sections which are in the form of caps.-
  • Each end section comprises, as shown in the sectioned portion of FIG. -1, an inner cap 15 and an outer cap 15'.
  • the inner cap has an annular flange 16 over which an end of sleeve 14 is lapped and the outer cap has an annular flange 16' which is lapped over the end of the sleeve 14.
  • a seal is provided at the lapped area formed by the sleeve 14 and the caps 15 and 15 and takes the form of a rubberized tape which is cemented around the lapped area.
  • the mooring line structure Prior to covering the cellular material 13, the mooring line structure is assembled within the core 11. As shown in the sectioned portion of FIG. 1, the mooring line structure consists of a rigid rod or cable 20 which is secured between similar end plates 21 in a manner to in effect provide a clamping means. For this purpose a fitting 22 is disposed at each end of the passageway 12 and each fitting 22 has a recess 23 at its inner end for receiving one end of the rod or cable 20 While each fitting has its outer end threaded and received in a threaded lug 24.
  • the lugs 24 are welded to each end plate 21 and the longitudinal passageway 12 is enlarged at each end forming recesses 25 which seal the lugs for positioning the end plates 21 flush with the edges of the spiralled layer 13 when the plates and other components are assembled.
  • Each end plate then has a staple 26 welded to its exterior face for conveniently receiving a. link and swivel connection indicated generally at 27 for receiving a mooring line and finally a locking ring 28 is provided at each end of the assembly as shown in FIG. 1 exteriorly of the end cover caps 15 and each locking ring is suitably secured to an end plate 21, for example, by bolt connections, not shown, to provide a unitary assembly.
  • a waterproof boat fender assembly comprising (a) a cylindrical resilient core having an axial passageway therein,
  • a water repellant covering for the unit comprising a sleeve disposed about the periphery of the buoyant body and a cap for each end of the unit, each having an annular flange providing an overlap adjacent each end of the sleeve,

Description

Dec. 10, 1963 A. E. MOUNTCASTLE 3,113,546
,BOAT FENDER DEVICE Filed March 4, 1965 INVENTOR.
ALBERT E. MOUNTCASTLE ATTORNEY United States Patent 3,1 135% Patented ne to, was
1 Claim. (Cl. M L-21%) (Granted under Title 35, US. Code (1952), see. 266) The invention described herein may be manufactured and used by or for the Government of the United States of America for governmental purposes without the payment of any royalties thereon or therefor.
This invention relates to an improved boat fender or bumper and more specifically to such a device which is formed of material and in a manner to provide a structure having requisite buoyancy and yet is sufi'iciently rugged to withstand long and hard usage.
Such devices of the prior art have been found deficient in many respects. Some have been for the most part made of cork, woven rope, kapok, solid rubber, etc., but these have not provided the desired buoyancy or resiliency. Others have been constructed of materials suitable for providing buoyancy but these have not been sufficiently rugged to withstand extended periods of use or have not had the desired water repellent or non-flammable characteristics.
In its broader aspects, the boat fender or bumper of this invention is formed of a core of resilient material which has a longitudinal passageway therethrough in which is mounted structure for attaching a mooring line. A sheet of cellular material is disposed about the core to provide the principal resilient body structure having the desired diameter and this assembly is then provided with a water repellent covering. The improved features of the invention reside in the details of the mooring line mounting structure and in the manner of affixing the covering to the resilient body to provide a device which is readily manipulable by the user, is buoyant, Water repellent and practically indestructible by fire or high temperature conditions.
The principal object of this invention is to provide a boat fender or bumper which has the requisite physical characteristics for preventing damage to a boat by the landing dock structure.
Another object of this invention is to provide a boat fender or bumper which is of relatively light weight and is readily handled by the user.
Another object of this invention is to provide a boat fender or bumper which is constructed of material and in a manner to permit usage over extended periods of time.
Other objects, advantages and novel features of the invention will become apparent from the following detailed description of the invention when considered in conjunction with the accompanying drawings wherein:
FIG. 1 is a view in plan of the assembled boat fender of this invention with a portion sectioned to show details of construction of one end of similarly formed ends;
FIG. 2 represents a view taken on the line 2-2 of FIG. 1 but for the purpose of clarity shows only portions thereof in true section.
In FIG. 1, the assembled boat fender is indicated generally at and is constructed of a rubber core 11 which has a longitudinal passageway 12 extending therethrough in which mooring line structure, to be described later in detail, is located. The principal part of the fender is formed of foam or cellular material 13 which may be rubber, resin, etc., in sheet form permitting it to be wrapped about the core 11 in spiral fashion, as shown in FIG. 2. As an example of the fender size, the sheet may be considered to have a width of three feet and the spiral configuration, when completed, may have a diameter of two feet. The purpose of the foam sheet is to provide a pliable or resilient body of light weight buoyant material and in order to prevent this material from being damaged or effected by heat or water, a covering is added which may, for example, be nylon cord tire fabric to provide a water repellent and heat resistant assembly.
The covering as shown in FIG. 1 is formed of a sleeve section indicated at 14 for the periphery of the spiralled sheet 13 and similar end sections which are in the form of caps.- Each end section comprises, as shown in the sectioned portion of FIG. -1, an inner cap 15 and an outer cap 15'. The inner cap has an annular flange 16 over which an end of sleeve 14 is lapped and the outer cap has an annular flange 16' which is lapped over the end of the sleeve 14. A seal is provided at the lapped area formed by the sleeve 14 and the caps 15 and 15 and takes the form of a rubberized tape which is cemented around the lapped area.
Prior to covering the cellular material 13, the mooring line structure is assembled within the core 11. As shown in the sectioned portion of FIG. 1, the mooring line structure consists of a rigid rod or cable 20 which is secured between similar end plates 21 in a manner to in effect provide a clamping means. For this purpose a fitting 22 is disposed at each end of the passageway 12 and each fitting 22 has a recess 23 at its inner end for receiving one end of the rod or cable 20 While each fitting has its outer end threaded and received in a threaded lug 24. The lugs 24 are welded to each end plate 21 and the longitudinal passageway 12 is enlarged at each end forming recesses 25 which seal the lugs for positioning the end plates 21 flush with the edges of the spiralled layer 13 when the plates and other components are assembled. Each end plate then has a staple 26 welded to its exterior face for conveniently receiving a. link and swivel connection indicated generally at 27 for receiving a mooring line and finally a locking ring 28 is provided at each end of the assembly as shown in FIG. 1 exteriorly of the end cover caps 15 and each locking ring is suitably secured to an end plate 21, for example, by bolt connections, not shown, to provide a unitary assembly.
Obviously many modifications and variations of the present invention are possible in the light of the above teachings. It is therefore to be understood that within the scope of the appended claim the invention may be practiced otherwise than as specifically described.
I claim:
A waterproof boat fender assembly comprising (a) a cylindrical resilient core having an axial passageway therein,
(b) cellular material applied to said core to provide a cylindrical buoyant body having transverse ends which are substantially flush with the ends of said resilient core,
(c) a rod in said passageway having a first threaded end portion disposed inwardly of one end of the core and a second threaded end portion disposed inwardly of the other end of the core,
(d) a pair of connectors each formed of a plate having a threaded lug extending therefrom,
(e) one connector having its lug threadedly engaged with one end of the rod and positioning its plate in abutment with one end of the core and one transverse end of the buoyant body and the other connector having its lug threadedly engaged with the other end of the rod and positioning its plate in abutment with the other end of the core and the other transverse end of the buoyant body,
(1) a water repellant covering for the unit comprising a sleeve disposed about the periphery of the buoyant body and a cap for each end of the unit, each having an annular flange providing an overlap adjacent each end of the sleeve,
(g) a circumferential strip disposed about each overlap providing seals between the sleeve and caps, and
(h) a staple secured to one of the connector plates and extending outwardly through a cap of the covering for the reception of mooring line equipment.
References liter in the file of this patent UNITED STATES PATENTS Lyons Nov. 29, 1932 Klum -a Aug. 3, 1937 Roberts Apr. 23, 1940 Hu-ltberg June 15, 1954 Stanley Nov. 10, 1959 FOREIGN PATENTS Great Britain June 8, 1933
US262807A 1963-03-04 1963-03-04 Boat fender device Expired - Lifetime US3113546A (en)

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1278868B (en) * 1966-11-25 1968-09-26 Triple D Ind Inc Floatable, waterproof fender
US3455269A (en) * 1968-04-26 1969-07-15 Triple D Ind Inc Boat fender structures
FR2296130A1 (en) * 1974-12-24 1976-07-23 Goodrich Europ FLOATING SHOCK ABSORBERS
DE2751152A1 (en) * 1977-11-16 1979-05-17 Phoenix Ag Barrel-shaped fender for water craft - comprises acetalised vinyl! fibre textile casing filled with polyurethane foam
US4351257A (en) * 1981-01-26 1982-09-28 Seaward International, Inc. Marine fender
US4841893A (en) * 1988-03-18 1989-06-27 Boat America Corporation Boat fender
US4893576A (en) * 1982-02-25 1990-01-16 Rubber Millers, Inc. Marine fender
US5184857A (en) * 1992-05-07 1993-02-09 Hawkins Michael J Removable side molding to protect the side of a vehicle
US5766711A (en) * 1996-08-29 1998-06-16 Barmakian; Andrew Composite camel structure and method for manufacture
US20050180822A1 (en) * 2004-02-18 2005-08-18 Andrew Barmakian Composite structure
US20050254902A1 (en) * 2004-05-17 2005-11-17 Rude Richard J Protective cover for marine mooring bumper
US7958589B2 (en) 2003-02-11 2011-06-14 The Gillette Company Toothbrushes
US8087371B1 (en) * 2009-09-25 2012-01-03 The United States Of America As Represented By The Secretary Of The Navy Deployable and inflatable fendering apparatus and method
US10239594B2 (en) 2017-01-08 2019-03-26 Contact Left, LLC Nesting Fenders
CN112399956A (en) * 2018-05-07 2021-02-23 瑞泰控股公司 Sealing device for platform ramp

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE18672E (en) * 1932-11-29 Ship s fender
GB393423A (en) * 1932-06-22 1933-06-08 Hugh Oswald Short Improvements in or relating to mooring buoys
US2088861A (en) * 1936-04-08 1937-08-03 Klum Blaine Football practice device
US2197839A (en) * 1937-07-09 1940-04-23 Rubatex Products Inc Expanded rubber boat fender
US2680859A (en) * 1951-12-31 1954-06-15 Hultberg Ake Albin Boat-buoy
US2911658A (en) * 1956-11-23 1959-11-10 Jr Henry Westley Stanley Reinforced plastic mooring buoy

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE18672E (en) * 1932-11-29 Ship s fender
GB393423A (en) * 1932-06-22 1933-06-08 Hugh Oswald Short Improvements in or relating to mooring buoys
US2088861A (en) * 1936-04-08 1937-08-03 Klum Blaine Football practice device
US2197839A (en) * 1937-07-09 1940-04-23 Rubatex Products Inc Expanded rubber boat fender
US2680859A (en) * 1951-12-31 1954-06-15 Hultberg Ake Albin Boat-buoy
US2911658A (en) * 1956-11-23 1959-11-10 Jr Henry Westley Stanley Reinforced plastic mooring buoy

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1278868B (en) * 1966-11-25 1968-09-26 Triple D Ind Inc Floatable, waterproof fender
US3455269A (en) * 1968-04-26 1969-07-15 Triple D Ind Inc Boat fender structures
FR2296130A1 (en) * 1974-12-24 1976-07-23 Goodrich Europ FLOATING SHOCK ABSORBERS
DE2751152A1 (en) * 1977-11-16 1979-05-17 Phoenix Ag Barrel-shaped fender for water craft - comprises acetalised vinyl! fibre textile casing filled with polyurethane foam
US4351257A (en) * 1981-01-26 1982-09-28 Seaward International, Inc. Marine fender
US4893576A (en) * 1982-02-25 1990-01-16 Rubber Millers, Inc. Marine fender
US4841893A (en) * 1988-03-18 1989-06-27 Boat America Corporation Boat fender
US5184857A (en) * 1992-05-07 1993-02-09 Hawkins Michael J Removable side molding to protect the side of a vehicle
US5766711A (en) * 1996-08-29 1998-06-16 Barmakian; Andrew Composite camel structure and method for manufacture
US6045346A (en) * 1996-08-29 2000-04-04 Barmakian; Andrew Apparatus for manufacturing a composite camel structure
US7958589B2 (en) 2003-02-11 2011-06-14 The Gillette Company Toothbrushes
US20050180822A1 (en) * 2004-02-18 2005-08-18 Andrew Barmakian Composite structure
US20050254902A1 (en) * 2004-05-17 2005-11-17 Rude Richard J Protective cover for marine mooring bumper
US8087371B1 (en) * 2009-09-25 2012-01-03 The United States Of America As Represented By The Secretary Of The Navy Deployable and inflatable fendering apparatus and method
US10239594B2 (en) 2017-01-08 2019-03-26 Contact Left, LLC Nesting Fenders
CN112399956A (en) * 2018-05-07 2021-02-23 瑞泰控股公司 Sealing device for platform ramp
US11649121B2 (en) * 2018-05-07 2023-05-16 Rite-Hite Holding Corporation Seal apparatus for dock levelers

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