US3204261A - Folding water craft - Google Patents

Folding water craft Download PDF

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US3204261A
US3204261A US346373A US34637364A US3204261A US 3204261 A US3204261 A US 3204261A US 346373 A US346373 A US 346373A US 34637364 A US34637364 A US 34637364A US 3204261 A US3204261 A US 3204261A
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seat
arms
outriggers
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floats
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Jr Jacob W Garehime
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B35/00—Swimming framework with driving mechanisms operated by the swimmer or by a motor

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  • a collapsible water craft should be simple and readily propelled on water yet easily collapsible to form a compact package of ready and easy portability.
  • Various craft in the form of demountable boats have heretofore been proposed, as well as those likened to a cycle in which separated floats support an organization which is propelled by a screw or other pedal actuated means.
  • the boat type craft are often bulky and clumsy even when disassembled or folded, while the craft based on a cycle concept have generally employed a propeller with accompanying drive mechanism and pedal actuation, which has complicated the construction and collapsibility.
  • a need has existed for a simple, efiicient water craft which can readily be collapsed into a compact, light weight readily portable package.
  • a principal object of this invention is to provide an improved, collapsible water craft. Another object of this invention is to provide a simple and eflicient water craft which can be collapsed to form a compact, portable package.
  • FIG. 1 shows a general perspective view of a water craft embodying features of this invention.
  • FIG. 2 shows in detail, and somewhat enlarged, the attachment of a radiating arm to the seat of the water craft of FIG. 1.
  • FIG. 3 shows in detail and somewhat enlarged, the attachment of an oar outrigger to the seat of the water craft of FIG. 1.
  • FIG. 4 shows the water craft of FIG. 1 collapsed to form a compact package.
  • the water craft comprises a seat 10, of any suitable shape or design for comfort or indicated utility, for example, circular as shown, to which are attached three radiating arms -12.
  • Three arms 12 provide advantageous support for the craft, and when spaced as preferred at an angle of about 120 each to its neighbor impart adequate lateral as well as fore and aft stability.
  • the attachment of the ends of arms 12 to seat is preferably made to the underside thereof as will be seen more clearly in FIG. 2 wherein the end of arm 1-2 is flattened and suitably attached as by welding to a swinging hinge plate 14 which is operatively connected by hinge pin 16 to stationary hinge plate 18 which is in turn fixedly attached to the underside of seat 10 as by screws 20.
  • Bumper stop 22 is attached to seat 10 as by screw 24 and limits the vertical angle of arm 12 to provide suitable elevation of seat 10 above the free ends of arms 12 when extended as will be hereinafter described in more detail. Attachment of each of arms 12 to seat 10 is the same as that shown in FIG. 2 and described above.
  • floats 26 which are made of flexible plastic or other air and water impermeable fabric.
  • the normal shape of floats 26 is maintained by inflation by introduction of gas, such as air, through valves 28, which may be of conventional design for such purpose as similar to tire valves, and may be deflated through such valve to collapse the floats around the ends of arms 12.
  • gas such as air
  • valves 28 which may be of conventional design for such purpose as similar to tire valves, and may be deflated through such valve to collapse the floats around the ends of arms 12.
  • the ends of arms 12 pass through floats 26, the plastic or fabric of which floats 12 are made being suitably sealed "ice at the area of passage therethrough of arms 12 to insure that each float will be gas and water tight.
  • footrest 30 which may be in the form of a bar as shown, clamped to the arm 12 by bolt 32.
  • outriggers 34 are also hingedly attached to seat 10, preferably at the underside thereof, are outriggers 34 at whose outer ends are pivotally attached oars 36. Attachment of oars 36 is accomplished by rowlocks whose yokes 38 are provided with cross pins 40 passing freely through oars 36 and whose stems 42 are rotatably mounted in bushings 44 and secured at their lower ends by threaded nuts 46. Bushings 44 are fixedly attached to the outer ends of outriggers 34.
  • Outrigger braces 48 are attached, preferably pivotably, to the outer ends of outriggers 34 with their inner ends provided with eyes 50 which can he slipped over an upstanding bolt 51 and clamped in place by tightening finger nut 52. Braces 48 when clamped are of such length as to maintain outriggers 34 normally in substantially horizontal extended position as shown in FIG. 1.
  • Outriggers 34 are attached to seat '10 at locations one on each side of the center of seat 10 and on opposite sides with respect to a direction facing footrest 30.
  • outriggers 34 to the underside of seat 10 is shown in detail in FIG. 3 wherein the side arms of outriggers 34 are bent inwardly toward each other and these inwardly bent portions are held rotatably in transverse grooves 54 in plates 56 which are at their end portions fixedly attached to the underside of seat 10 as by screws 58.
  • the inner and protruding ends 60 of the bent portions of the side arms of outriggers 34 are bent downwardly at an angle of about degrees to lock the arm bent portions in grooves 54 in plates 56, and also to provide a stop which will abut against the underside of seat 10 and set the outrigger at about 90 degrees to the general plane of the seat when braces 48 are unclamped and the outriggers 34 are collapsed.
  • FIG. 4 shows the water craft collapsed, with the outrigger braces 48 unclamped and the outriggers collapsed, floats 26 deflated and arms 12 collapsed. It will be seen that the hinged attachment of arms 12 and the outriggers 34 to seat 10 and the pivotal attachment of oars 36 to outriggers 34 permits the arms 12 with floats 26 and outriggers 34 with attached oars 36 to be collapsed and folded into substantially parallel relationship to make a compact package.
  • the water craft of this invention is first prepared for water use by extending arms 12 and inflating floats 2.6 through valves 28 by blowing or pumping as with a tire pump or from a source of compressed gas.
  • Outriggers 34 are extended and the eyes 50 of braces 48 are placed on bolt 51 and clamped under nut 52.
  • the craft may then be propelled in the water by usual manual actuation of oars 36, with the rower seated on seat 10 with his feet braced on footrest 30.
  • Seat 10 and the supported rower will be maintained at a suitable elevation above the water surface by abutment of arms 12 against the under seat bumper stops 22 which establishes the angle of arms 12 with respect to horizontal and thus establishes the elevation relationship of seat 10 and floats 26.
  • Three radiating arms carrying floats are important to provide stability to the water craft of this invention. Less than three arms with floats of the type described will not provide this stability, and more than three, to any degree uniformly spaced, will obviously limit the angular spacing between them and as a result reduce the necessary room and clearance for operating the oars during propulsion of the craft. Three arms and floats spaced about 120 apart, therefore provide a combination of excellent flotation, stability and clearance for rowing.
  • the water craft of this invention does not have what could be considered a body structure separate from the float carrying arms.
  • the arm carrying the footrest will be the aft arm, assuming the rower faces backward to his direction of travel, and the other two arms will radiate forward and partly abeam.
  • the seat on which the rower sits is supported by the inboard end of these arms; their outboard ends, as described, being attached to the floats.
  • the vertical angle of the arm with respect to the seat is set by the under seat bumper stops so that the seat is supported at a suitable rowing height. This will generally be arranged so that the rower is elevated sufficiently to enable the oars to be operated with desirable immersion of their blades, and also so that the rower is dry and comfortable.
  • the water craft of this invention relies on oared propulsion which is convenient and eifective to provide both forward and backward motion as well as directional control.
  • Buoyancy provided by the floats at the ends of extending arm provides adequate flotation and also stability, both laterally and fore and aft. Due to the described hinged attachment of the float arms and the oar outriggers to the seat, these elements can be collapsed readily into folded, substantially parallel relationship; with the oars, pivotably mounted on the outriggers, being also likewise folded.
  • the water craft of this invention lends itself to fabrication from light weight materials such as aluminum and plastics which enhance the portability of the compact and easily handled package into which it collapses. It is useful to provide means for marine transportation Which can also be readily collapsed and portaged from lace to place.
  • a collapsible water craft comprising:
  • a collapsible water craft comprising:
  • a collapsible water craft comprising:
  • a collapsible water craft comprising:
  • a collapsible water craft comprising:
  • a collapsible water craft comprising:

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Seats For Vehicles (AREA)

Description

p 1965 J. w. GAREHIME, JR 3,204,261
FOLDING WATER CRAFT Filed Feb. 17, 1964 INVENTOR. Jacob W. Gorehime,dr
1 IQ! p Agent United States Patent 3,204,261 FOLDING WATER CRAFT Jacob W. Garehime, Jr., 1700 E. Grifiith St, Las Vegas, Nev. Filed Feb. 17, 1964, S91. No. 346,373 6 Claims. (Cl. 9-2) This invention relates to a water craft which can be collapsed into a compact package.
A collapsible water craft should be simple and readily propelled on water yet easily collapsible to form a compact package of ready and easy portability. Various craft in the form of demountable boats have heretofore been proposed, as well as those likened to a cycle in which separated floats support an organization which is propelled by a screw or other pedal actuated means. The boat type craft are often bulky and clumsy even when disassembled or folded, while the craft based on a cycle concept have generally employed a propeller with accompanying drive mechanism and pedal actuation, which has complicated the construction and collapsibility. A need has existed for a simple, efiicient water craft which can readily be collapsed into a compact, light weight readily portable package.
A principal object of this invention is to provide an improved, collapsible water craft. Another object of this invention is to provide a simple and eflicient water craft which can be collapsed to form a compact, portable package. These and other objects of this invention will be apparent from the following description thereof and from the annexed drawings in which:
FIG. 1 shows a general perspective view of a water craft embodying features of this invention.
FIG. 2 shows in detail, and somewhat enlarged, the attachment of a radiating arm to the seat of the water craft of FIG. 1.
FIG. 3 shows in detail and somewhat enlarged, the attachment of an oar outrigger to the seat of the water craft of FIG. 1.
FIG. 4 shows the water craft of FIG. 1 collapsed to form a compact package.
Referring now particularly to FIGS. 1, 2 and 3, the water craft comprises a seat 10, of any suitable shape or design for comfort or indicated utility, for example, circular as shown, to which are attached three radiating arms -12. Three arms 12 provide advantageous support for the craft, and when spaced as preferred at an angle of about 120 each to its neighbor impart adequate lateral as well as fore and aft stability. The attachment of the ends of arms 12 to seat is preferably made to the underside thereof as will be seen more clearly in FIG. 2 wherein the end of arm 1-2 is flattened and suitably attached as by welding to a swinging hinge plate 14 which is operatively connected by hinge pin 16 to stationary hinge plate 18 which is in turn fixedly attached to the underside of seat 10 as by screws 20. Bumper stop 22 is attached to seat 10 as by screw 24 and limits the vertical angle of arm 12 to provide suitable elevation of seat 10 above the free ends of arms 12 when extended as will be hereinafter described in more detail. Attachment of each of arms 12 to seat 10 is the same as that shown in FIG. 2 and described above.
At the free ends of arms 12 are attached hollow floats 26 which are made of flexible plastic or other air and water impermeable fabric. The normal shape of floats 26 is maintained by inflation by introduction of gas, such as air, through valves 28, which may be of conventional design for such purpose as similar to tire valves, and may be deflated through such valve to collapse the floats around the ends of arms 12. As shown in FIG. 1 the ends of arms 12 pass through floats 26, the plastic or fabric of which floats 12 are made being suitably sealed "ice at the area of passage therethrough of arms 12 to insure that each float will be gas and water tight.
"To one of arms 12 is attached footrest 30 which may be in the form of a bar as shown, clamped to the arm 12 by bolt 32.
Also hingedly attached to seat 10, preferably at the underside thereof, are outriggers 34 at whose outer ends are pivotally attached oars 36. Attachment of oars 36 is accomplished by rowlocks whose yokes 38 are provided with cross pins 40 passing freely through oars 36 and whose stems 42 are rotatably mounted in bushings 44 and secured at their lower ends by threaded nuts 46. Bushings 44 are fixedly attached to the outer ends of outriggers 34. Outrigger braces 48 are attached, preferably pivotably, to the outer ends of outriggers 34 with their inner ends provided with eyes 50 which can he slipped over an upstanding bolt 51 and clamped in place by tightening finger nut 52. Braces 48 when clamped are of such length as to maintain outriggers 34 normally in substantially horizontal extended position as shown in FIG. 1.
Outriggers 34 are attached to seat '10 at locations one on each side of the center of seat 10 and on opposite sides with respect to a direction facing footrest 30.
The attachment of outriggers 34 to the underside of seat 10 is shown in detail in FIG. 3 wherein the side arms of outriggers 34 are bent inwardly toward each other and these inwardly bent portions are held rotatably in transverse grooves 54 in plates 56 which are at their end portions fixedly attached to the underside of seat 10 as by screws 58. The inner and protruding ends 60 of the bent portions of the side arms of outriggers 34 are bent downwardly at an angle of about degrees to lock the arm bent portions in grooves 54 in plates 56, and also to provide a stop which will abut against the underside of seat 10 and set the outrigger at about 90 degrees to the general plane of the seat when braces 48 are unclamped and the outriggers 34 are collapsed.
FIG. 4 shows the water craft collapsed, with the outrigger braces 48 unclamped and the outriggers collapsed, floats 26 deflated and arms 12 collapsed. It will be seen that the hinged attachment of arms 12 and the outriggers 34 to seat 10 and the pivotal attachment of oars 36 to outriggers 34 permits the arms 12 with floats 26 and outriggers 34 with attached oars 36 to be collapsed and folded into substantially parallel relationship to make a compact package.
In operation, the water craft of this invention is first prepared for water use by extending arms 12 and inflating floats 2.6 through valves 28 by blowing or pumping as with a tire pump or from a source of compressed gas. Outriggers 34 are extended and the eyes 50 of braces 48 are placed on bolt 51 and clamped under nut 52. The craft may then be propelled in the water by usual manual actuation of oars 36, with the rower seated on seat 10 with his feet braced on footrest 30. Seat 10 and the supported rower will be maintained at a suitable elevation above the water surface by abutment of arms 12 against the under seat bumper stops 22 which establishes the angle of arms 12 with respect to horizontal and thus establishes the elevation relationship of seat 10 and floats 26.
To collapse the Water craft valves 28 of floats 26 are opened and floats 26 are deflated. Arms 12 are folded into substantially parallel relationship under seat 10. Pinger nut 52 is loosened and the ends of braces 48 taken oil bolt 51 and outriggers 34 and oars 36 are folded also into substantially arallel relationship with each other and also with arms 12, under seat 10. Thus, the water craft can be collapsed into a compact, portable package a illustrated in FIG. 4.
Three radiating arms carrying floats are important to provide stability to the water craft of this invention. Less than three arms with floats of the type described will not provide this stability, and more than three, to any degree uniformly spaced, will obviously limit the angular spacing between them and as a result reduce the necessary room and clearance for operating the oars during propulsion of the craft. Three arms and floats spaced about 120 apart, therefore provide a combination of excellent flotation, stability and clearance for rowing.
It will be noted that the water craft of this invention does not have what could be considered a body structure separate from the float carrying arms. The arm carrying the footrest will be the aft arm, assuming the rower faces backward to his direction of travel, and the other two arms will radiate forward and partly abeam. The seat on which the rower sits is supported by the inboard end of these arms; their outboard ends, as described, being attached to the floats. The vertical angle of the arm with respect to the seat is set by the under seat bumper stops so that the seat is supported at a suitable rowing height. This will generally be arranged so that the rower is elevated sufficiently to enable the oars to be operated with desirable immersion of their blades, and also so that the rower is dry and comfortable.
Swinging the float arms out from under the seat by their hinged attachments to extended position stopped by the under seat bumpers automatically provides the arms in floating position at the required vertical angle for seat elevation. This organization is simple, eflicient, light and easily collapsible since any frame, body or backbone has been eliminated and only the arms, outriggers and car structures need handling and folding.
The water craft of this invention relies on oared propulsion which is convenient and eifective to provide both forward and backward motion as well as directional control. Buoyancy provided by the floats at the ends of extending arm provides adequate flotation and also stability, both laterally and fore and aft. Due to the described hinged attachment of the float arms and the oar outriggers to the seat, these elements can be collapsed readily into folded, substantially parallel relationship; with the oars, pivotably mounted on the outriggers, being also likewise folded.
The water craft of this invention lends itself to fabrication from light weight materials such as aluminum and plastics which enhance the portability of the compact and easily handled package into which it collapses. It is useful to provide means for marine transportation Which can also be readily collapsed and portaged from lace to place.
This application is a continuation-in-part of my application Serial No. 188,219 filed April 17, 1962, now abandoned.
I claim:
1. A collapsible water craft comprising:
(a) a seat;
(b) three arms radiating from said seat and having their ends hingedly attached to said seat to permit said arms to pivot in a plane which is vertical with respect to the plane of said seat;
() inflatable and deflatable floats attached to said arms;
(6.) a footrest attached to one of said arms;
(e) a pair of outriggers hingedly attached to said seat at locations one on each side of the center thereof and on opposite sides with respect to a direction facring said footrest to permit said outrigger to pivot in a plane which is vertical with respect to the plane of said seat; and,
(f) oars pivotably attached to said outriggers, whereby when said arms and outriggers are extended and said floats :are inflated, a rower may sit on said seat with his feet on said footrest and propel said water water craft by means of said cars, and when said floats are deflated said arms and said outrigger with said oars attached may be collapsed into substantially parallel relationship to form a compact, portable package.
2. A collapsible water craft comprising:
(a) a seat;
(b) three arms radiating from said seat and having their ends hingedly attached to said seat to permit said arms to pivot in a plane which is vertical with respect to the plane of said seat at the underside thereof;
(0) inflatable and deflatable floats attached to said arms;
(d) a footrest attached to one of said arms;
(e) a pair of outriggers hingedly attached to said seat at the underside thereof at locations one on each side of the center thereof and on opposite sides with respect to a direction facing said footrest to permit said outriggers to pivot in a plane which is vertical with respect to the plane of said seat; and,
(f) oars pivotably attached to said outriggers, whereby when said arms and outriggers are extended and said floats are inflated, a rower may sit on said seat with his feet on said footrest and propel said Water craft by means of said oars, and when said floats :are deflated said arms and said outrigger with said oars attached may be collapsed into substantially parallel relationship to form a compact, portable package.
3. A collapsible water craft comprising:
(a) a seat;
(b) three arms radiating from said seat and having their ends hingedly attached to said seat to permit said arms to pivot in a plane which is vertical With respect to the plane of said seat;
(c) inflatable and deflatable floats attached to said arms;
(d) a footrest attached to one of said arms;
(e) a pair of outriggers hingedly attached to said seat at locations one on each side of the center thereof and on opposite sides with respect to a direction facing said footrest to permit said outriggers to pivot in a plane which is vertical with respect to the plane of said seat;
(f) braces hingedly attached to said outriggers and attachable to said seat to maintain said outriggers in extended position; and,
(g) oars pivotably attached to said outriggers, whereby when said arms and outriggers are extended and said floats are inflated, a rower may sit on said seat with his feet. on said footrest and propel said Water craft by means of said oars, and when said floats are deflated said arms and said outriggers with said oars attached may be collapsed into substantially parallel relationship to form a compact, portable package.
4. A collapsible water craft comprising:
(a) a seat;
(b) three arms radiating from said seat and having their ends hingedly attached to said seat to permit said arms to pivot in a plane which is vertical with respect to the lane of said seat;
(0) inflatable and deflatable ball-shaped floats attached to the free ends of said arms;
(d) a footrest attached to one of said arms;
(e) a pair of outriggers hingedly attached to said seat at locations one on each side of the center thereof and on opposite sides with respect to a direction facing said footrest to permit said outriggers to pivot in a plane which is vertical with respect to the plane of aid seat; and,
(f) oars pivotably attached to said outriggers, whereby when said arms and outriggers are extended and said floats are inflated, a rower may sit on said seat with his feet on said footrest and propel said water craft by means of said cars, and when said floats are deflated said arms and said outriggers with said oars attached may be collapsed into substantially parallel relationship to form a compact, portable package.
5. A collapsible water craft comprising:
(a) a seat;
(b) three arms radiating from said seat spaced about 120 degrees apart and hingedly attached to said seat to permit said arms to pivot in a plane which is vertical with respect to the plane of said seat;
(c) inflatable and deflatable floats attached to said arms;
(d) a footrest attached to one of said arms;
(e) a pair of Outriggers hingedly attached to said seat at locations one on each side of the center thereof and on opposite sides with respect to a direction facing said footrest to permit said outriggers to pivot in a plane which is vertical with respect to the lane of said seat;
(f) braces hingedly attached to said Outriggers and attachable to said seat to maintain said Outriggers in extended position; and,
(g) oars pivotably attached to said Outriggers, whereby when said arms and outriggers are extended and said floats are inflated, a rower may sit on said seat with his feet on said footrest and propel said water craft by means of said oars, and when said floats are deflated said arms and said Outriggers with said oars attached may be collapsed into substantially parallel relationship to form a compact, portable package.
6. A collapsible water craft comprising:
(a) a seat;
(b) three arms radiating from said seat spaced about 120 degrees apart and hingedly attached to the under side of said seat with bumper stops on the underside of said seat to permit said arms to pivot in a plane which is vertical with respect to the plane of said seat to control the vertical angle of said arms so that said seat is elevated at suitable rowing height;
(c) inflatable and deflatable floats attached to said arms;
(d) a footrest attached to one of said arms;
(e) a pair of Outriggers hingedly attached to said seat at locations one on each side of the center thereof and on opposite sides with respect to a direction facing said footrest to permit said outriggers to pivot in a plane which is vertical with respect to the lane of said seat;
(f) braces hingedly attached to said Outriggers and attachable to said seat to maintain said Outriggers in extended position; and,
(g) oars pivotably attached to said Outriggers, whereby when said arms and Outriggers are extended and said floats are inflated, a rower may sit on said seat with his feet on said footrest and propel said water craft by means of said oars, and when said floats are deflated said arms and said Outriggers with said oars attached may be collapsed into substantially parallel relationship to form a compact, portable package.
References Cited by the Examiner UNITED STATES PATENTS 665,410 1/01 Davis 926 927,341 7/ 09 Ettinger 92 2,529,745 11/50 Stanley 92 2,644,177 7/53 Stanley 92 2,958,306 11/60 Haxton et al 9310 2,990,804 7/ 61 Garehime 92.1
FERGUS S. MIDDLETON, Primary Examiner.

Claims (1)

1. A COLLAPSIBLE WATER CRAFTR COMPRISING: (A) A SEAT; (B) THREE ARMS RADIATING FROM SAID SEAT AND HAVING THEIR ENDS HINGEDLY ATTACHED TO SAID SEAT TO PERMIT SAID ARMS TO PIVOT IN A PLANE WHICH IS VERTICAL WITH RESPECT TO THE PLANE OF SAID SEAT; (C) INFLATABLE AND DEFLATABLE FLOATS ATTACHED TO SAID ARMS; (D) A FOOTREST ATTACHED TO ONE OF SAID ARMS; (E) A PAIR OF OUTRIGGERS HINGEDLY ATTACHED TO SAID SEAT AT LOCATIONS ONE ON EACH SIDE OF THE CENTER THEREOF AND ON OPPOSITE SIDES WITH RESPECT TO A DIRECTION FACING SAID FOOTREST TO PERMIT SAID OUTRIGGERS TO PIVOT IN A PLANE WHICH IS VERTICAL WITH RESPECT TO THE PLANE OF SAID SEAT; AND, (F) OARS PIVOTALLY ATTACHED TO SAID OUTRIGGERS, WHERBY WHEN SAID ARMS AND OUTRIGGERS ARE EXTENDED AND SAID FLOATS ARE INFLATED, A ROWER MAY SIT ON SAID SEAT WITH HIS FEET ON SAID FOOTREST AND PROPEL SAID WATER WATER CRAFT BY MEANS OF SAID OARS, AND WHEN SAID FLOATS ARE DEFLATED SAID ARMS AND SAID OUTRIGGERS WITH SAID OARS ATTACHED MAY BE COLLAPSED INTO SUBSTANTIALLY PARALLEL RELATIONSHIP TO FORM A COMPACT, PORTABLE PACKAGE.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3810268A (en) * 1970-10-21 1974-05-14 Firestone Tire & Rubber Co Hydrofoil attachment for boats
US20060003646A1 (en) * 2004-06-30 2006-01-05 Ho Sports Company, Inc. Inflatable towable float
US9731793B1 (en) * 2013-10-01 2017-08-15 Aqua-Aerobic Systems, Inc. Self-deploying float
US20220161094A1 (en) * 2020-11-23 2022-05-26 Timothy B. Higginson Double retractable rowing resistance system with configurable and convertible swinging seat-based exercise machine

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US665410A (en) * 1899-05-10 1901-01-08 Michael F Davis Boat.
US927341A (en) * 1907-12-13 1909-07-06 Salomon Ettinger Umbrella adapted for use as a boat.
US2529745A (en) * 1949-08-04 1950-11-14 Malcolm N Stanley Collapsible boat
US2644177A (en) * 1950-03-20 1953-07-07 Malcolm N Stanley Collapsible boat
US2958306A (en) * 1956-06-29 1960-11-01 John L Haxton Boat
US2990804A (en) * 1959-06-08 1961-07-04 Jacob W Garehime Collapsible water cycle

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US665410A (en) * 1899-05-10 1901-01-08 Michael F Davis Boat.
US927341A (en) * 1907-12-13 1909-07-06 Salomon Ettinger Umbrella adapted for use as a boat.
US2529745A (en) * 1949-08-04 1950-11-14 Malcolm N Stanley Collapsible boat
US2644177A (en) * 1950-03-20 1953-07-07 Malcolm N Stanley Collapsible boat
US2958306A (en) * 1956-06-29 1960-11-01 John L Haxton Boat
US2990804A (en) * 1959-06-08 1961-07-04 Jacob W Garehime Collapsible water cycle

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3810268A (en) * 1970-10-21 1974-05-14 Firestone Tire & Rubber Co Hydrofoil attachment for boats
US20060003646A1 (en) * 2004-06-30 2006-01-05 Ho Sports Company, Inc. Inflatable towable float
US7232356B2 (en) * 2004-06-30 2007-06-19 Ho Sports Company, Inc. Inflatable towable float
US7238073B2 (en) * 2004-06-30 2007-07-03 Ho Sports Company, Inc. Inflatable towable float
US20070151498A1 (en) * 2004-06-30 2007-07-05 Ho Sports Company, Inc. Inflatable towable float
US9731793B1 (en) * 2013-10-01 2017-08-15 Aqua-Aerobic Systems, Inc. Self-deploying float
US20220161094A1 (en) * 2020-11-23 2022-05-26 Timothy B. Higginson Double retractable rowing resistance system with configurable and convertible swinging seat-based exercise machine
US11844977B2 (en) * 2020-11-23 2023-12-19 Timothy B. Higginson Double retractable rowing resistance system with configurable and convertible swinging seat-based exercise machine

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