US20050075222A1 - Aquatic exercise bicycle - Google Patents
Aquatic exercise bicycle Download PDFInfo
- Publication number
- US20050075222A1 US20050075222A1 US10/898,095 US89809504A US2005075222A1 US 20050075222 A1 US20050075222 A1 US 20050075222A1 US 89809504 A US89809504 A US 89809504A US 2005075222 A1 US2005075222 A1 US 2005075222A1
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- Prior art keywords
- frame
- aquatic exercise
- exercise cycle
- seat
- crank assembly
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/008—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters
- A63B21/0084—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters by moving the surrounding water
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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
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/00058—Mechanical means for varying the resistance
- A63B21/00069—Setting or adjusting the resistance level; Compensating for a preload prior to use, e.g. changing length of resistance or adjusting a valve
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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
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/06—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
- A63B22/0605—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing a circular movement, e.g. ergometers
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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
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/06—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
- A63B22/0605—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing a circular movement, e.g. ergometers
- A63B2022/0635—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing a circular movement, e.g. ergometers specially adapted for a particular use
- A63B2022/0652—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing a circular movement, e.g. ergometers specially adapted for a particular use for cycling in a recumbent position
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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
- A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
- A63B2225/60—Apparatus used in water
Definitions
- the invention relates generally to exercise equipment and in particular to an aquatic exercise bicycle for providing exercise in a liquid medium. More particularly, the invention relates to an aquatic exercise bicycle that may be adjusted and ridden in a recumbent or upright bicycle configurations.
- Jogging is not suggested for persons who are prone to back, knee, and foot problems because the inherent impact of the feet on the ground surface is often the cause of peripheral vascular insufficiency or injury to the legs, ankles, and back. Invalids, osteoarthritic, and postoperative patients are given alternative forms of exercise such as swimming, which does not necessarily exercise the muscles which come into play in running or jogging.
- Aquatic exercise, and jogging apparatus are known in the art.
- devices which are used for exercising in water and jogging devices used out of water (i.e., treadmills).
- one device for exercising in water includes U.S. Pat. No. 5,665,039 to Wasserman et al., which disclose an upright exercycle fixedly attached to a walkway of the pool.
- this design is limited to adjustment of the seat relative to the fixed crank and directed toward exercising in an upright position only.
- This design does not allow an operator to pedal the exercycle in a supine position as in a recumbent bicycle configuration.
- the advantage of a stationary recumbent bicycle as opposed to a stationary upright bicycle is that the user is positioned in a sitting position with the legs extending forwardly which reduces strain and stress on the spine and back muscles.
- the Current exercise bicycles can be classified into three categories; (1) common bicycle held stationary while applying resistance to the rear wheel, (2) sitting exercise bicycles, and (3) semi-recumbent exercise bicycles.
- Units of the bicycle type are typically used by persons who want to simulate outdoor cycling for training purposes.
- the sitting type refers to exercise bicycles where the user's weight is substantially supported by a seat and the crank and pedals are positioned below and shortly forward of the user.
- the semi-recumbent type refers to exercise bicycles where the user's weight is substantially supported by a seat and possibly a seat back.
- the crank and pedals are positioned substantially forward of the user on a substantially equal level with the seat.
- Each type of exercise exercises somewhat different muscle groups.
- the different configurations of exercise bicycles also provide differing levels of comfort for each user.
- the classical position of a machine of the bicycle type provides the realistic body position and motion that are essential for accurate simulation of outdoor cycling.
- the classical position may require a significant portion of the user's weight to be supported by the arms and upper body of the user. Such a position may be uncomfortable for an elderly user.
- an exercise bicycle on which a user is able to accurately simulate the classical cycling position, while also allowing for an alternate semi-recumbent position.
- Such a bicycle would increase the range of users of differing abilities that may efficiently exercise with a single bicycle.
- a bicycle usable in a liquid medium such as a swimming pool, would provide a variety of workouts for a user, thus, promoting interest and provide a method for exercising different muscle groups, while limiting harmful impact on the user because of buoyancy provided by the liquid medium.
- there is a desire for such an aquatic exercise bicycle to be easily disposed and positioned within the liquid medium, while remaining stable during operation.
- an aquatic exercise cycle that includes a frame receptive to be at least partially submersed in a liquid medium; a seat adjustably secured to the frame; a pair of handles operably coupled to at least one of the frame and the seat for an operator to hold onto; a crank assembly operably coupled to said frame having an input shaft rotatable with a pair of user operated pedals; and a variable resistance mechanism in operable communication with the input shaft and receptive to varying a resistance of rotation of the input shaft.
- the aquatic exercise cycle allows the user to adjust at least the seat relative to the crank assembly to select either an upright riding position or a recumbent riding position.
- the seat and the crank assembly are adjustable relative to the frame to select either an upright riding position or a recumbent riding position.
- FIG. 1 is a side view of an aquatic exercise bicycle having a seat and crank adjusted in a supine or recumbent position in accordance with an exemplary embodiment of the invention
- FIG. 2 is illustrates the aquatic exercise bicycle of FIG. 1 having the seat and crank adjusted in an upright position
- FIG. 3 is front perspective view of the aquatic exercise bicycle as in FIG. 1 ;
- FIG. 4 is a rear perspective view of the of the aquatic exercise bicycle of FIG. 3 ;
- FIG. 5 is a rear perspective view of the aquatic exercise bicycle as in FIG. 2 ;
- FIG. 6 depicts an exemplary embodiment of a variable resistance mechanism that may be employed with a crank assembly to vary a resistance of pedaling by an operator;
- FIGS. 7A and 7B depict an alternative exemplary embodiment of another variable resistance mechanism that may be employed with the variable resistance mechanism of FIG. 6 ;
- FIG. 8 depicts a partial cross section view of one beveled pulley half engaged with a pulley belt illustrating relative displacement between a pair of pulley halves dependent on a distance therebetween;
- FIG. 9 depicts an alternative exemplary embodiment of another variable resistance mechanism that may be employed with the variable resistance mechanism of FIG. 6 illustrating a variably displaced input wheel relative to an output disk to vary a gear ratio therebetween;
- FIG. 10 depicts an alternative exemplary embodiment of FIG. 9 illustrating a variably displaced input wheel relative to an output cone to vary a gear ratio therebetween;
- FIGS. 11 and 12 depict alternative exemplary embodiments of another variable resistance mechanism that may be employed with the variable resistance mechanism of FIG. 6 illustrating a variably displaced input wheels relative to a pair of a spaced output disks to vary an amount of friction on the input wheels therebetween;
- FIGS. 13 and 14 depict alternative exemplary embodiments of another variable resistance mechanism that may be employed with the variable resistance mechanism of FIG. 6 illustrating a variably displaced input shaft relative to an output shaft to vary a speed of rotation of said input shaft depending coaxial displacement of the input shaft from the output shaft.
- FIG. 1 is a side view of an aquatic exercise bicycle 10 in an embodiment of the invention.
- the aquatic exercise bicycle 10 includes a frame 12 having a seat 14 operably coupled to frame 12 via a seat post 24 , recumbent handles 16 operably connected to either the seat 14 or seat post 15 , upright handles 18 extending from frame 12 , and a crank assembly 20 secured to frame 12 .
- Frame 12 is configure as a singular tube frame having an arch shape, however, other suitable configurations are contemplated suitable to the desired end purpose.
- Frame 12 includes feet 22 extending from ends 23 defining frame 12 to stabilize the aquatic exercise bicycle 10 .
- the entire aquatic exercise bicycle 10 or at least a substantial portion thereof, is intended to be immersed in water, such as a swimming pool, for example, when in operation.
- a user operates pedals 21 extending from cranks 19 operably connected to an input shaft (not shown).
- Seat 14 is mounted on seat post 24 that rides in a slot 26 configured in a track 28 depending from frame 12 .
- a knob having a threaded fastener generally shown at 27 secures the post 24 in a fixed location relative to track 28 .
- Tilt of the seat 14 may be adjusted using a same knob or a separate further knob.
- seat 14 is shown in the recumbent position.
- track 28 is shown and described as depending from frame 12 , it will be recognized that track 28 having a slot 26 may be configured in frame 12 . In either case, slot 26 provides infinite adjustment for translation of seat 14 via seat post 24 substantially parallel with frame 12 within the bounds of slot 26 . Alternatively, it is also contemplated that slot 26 may be substituted with a plurality of discrete slots or apertures 26 along a length of track 28 or frame 12 providing discrete adjustability for seat 14 via seat post 24 . In this manner, seat 14 may be translated relative to frame 12 and crank assembly 20 to select either an upright or a recumbent riding position depending on the relative location of seat 14 with respect to crank assembly 20 .
- crank assembly 20 is secured to frame 12 through two supports 30 and 32 .
- Support 30 is pivotally connected to frame 12 and to a housing 31 of the crank assembly 20 .
- Support 32 is pivotally connected to housing 31 of crank assembly 20 at one end. The other end of support 32 rides in a slot 34 configured in a track 36 depending from frame 12 forward of track 28 .
- a knob having a threaded fastener generally shown at 38 secures support 32 relative to track 36 .
- the crank assembly 20 is shown in the recumbent position.
- track 36 is shown and described as depending from frame 12 , it will be recognized that track 36 having a slot 34 may be configured in frame 12 . In either case, slot 34 provides infinite adjustment for translation of one end of support 32 substantially parallel with frame 12 within the bounds of slot 34 . Alternatively, it is also contemplated that slot 34 may be substituted with a plurality of discrete slots or apertures 34 along a length of track 36 or frame 12 providing discrete adjustability for support 32 . In this manner, crank assembly 20 may be positioned relative to frame 12 and crank assembly 20 to select either an upright or a recumbent riding position depending on the relative location of seat 14 with respect to crank assembly 20 .
- crank assembly 20 may be supported via a single support 32 absent support 30 .
- crank assembly 20 is pivotally attached to frame 12 at a first location and a second location. The crank assembly is attached to the first location using support 32 having a first end pivotally extending from the crank assembly 20 and an opposite second end realeasably coupled along a length of frame 12 at the first location depending on a selected riding position.
- the second location may include one end of housing 31 pivotally attached to frame 12 allowing use of a single support 32 to pivotally translate input shaft generally shown at 50 in FIGS. 1 and 2 about the second location corresponding to direct pivotal attachment of housing 31 at an opposite end to frame 12 coincident with the second location.
- FIG. 2 shows the aquatic exercise bicycle 10 of FIG. 1 in the upright position with the recumbent handles 16 removed.
- Seat 14 has been moved towards upright handles 18 via movement of seat post 24 in track 28 .
- Support 32 has been moved toward seat 14 in track 36 .
- seat 14 is positioned substantially directly over the crank assembly 20 for the upright riding position.
- FIGS. 3-5 are various perspective views of the aquatic exercise bicycle 10 in both the upright and recumbent riding positions.
- FIGS. 3 and 4 illustrate a further knob 51 in conjunction with handles 18 for raising and lowering the handles, as known in the pertinent art.
- FIG. 6 depicts an exemplary variable resistance mechanism that may be incorporated in the crank assembly 20 .
- Pedals 21 are mechanical coupled to gears 42 and 44 which when operated, pump fluid from an inlet 46 to an outlet 48 .
- input shaft 51 FIGS. 1 and 2
- a handle 50 is attached to a restrictor plate 52 by a threaded shank 54 . As handle 50 is turned, restrictor plate 52 is moved into and out of outlet 48 . This provides adjustable resistance and approaches an infinite resistance as outlet 48 becomes completely blocked.
- the fluid circulated by gears 42 and 44 may be the fluid in which the aquatic exercise bicycle 10 is immersed or may be a self contained closed fluid system with appropriate reservoirs.
- FIGS. 7-14 depict alternative mechanisms for generating variable resistance.
- Each mechanism includes an input shaft, which is operably coupled to both pedals 21 and an output shaft coupled to one of gears 42 or 44 .
- the resistance is either increased or decreased.
- the input shaft may coincide with input shaft 51 depicted in FIGS. 1 and 2 , as will be described hereinafter.
- FIGS. 7A and 7B Shown in FIGS. 7A and 7B is a pair of split pulleys 100 coupled by a belt 102 .
- Each split pulley 100 includes two pulley halves 101 .
- Each pulley half 101 has a beveled interior surface 104 as best seen with reference to FIG. 8 illustrating a pulley half 101 in cross-section.
- the spacing 106 between pulley halves 101 may be adjusted by the user (e.g., through a knob mechanically coupled to one or both pulley halves). By moving the pulley halves 101 closer or farther apart, the effective diameter of the pulley 100 relative to the belt 102 is changed to alter the output speed of an output shaft 108 .
- FIG. 7A illustrates a high output speed at output shaft 106 and thus more resistance felt at input shaft 51 .
- FIG. 7B illustrates a low output speed at output shaft 106 and thus less resistance felt at input shat 51 .
- FIG. 9 shows an alternative mechanism for changing resistance.
- An input wheel 110 is in contact with an output disk 112 .
- the location of the input wheel 110 relative to the output disk 112 may be altered by the user (e.g., by a knob mechanically coupled to the input wheel shaft 114 ).
- the radial location of the input wheel 110 relative to the output disk 112 establishes the speed with which the output disk 112 rotates. In other words, as input wheel 110 is translated from a center portion to a peripheral portion defining output disc 112 , input wheel 110 and thus input wheel shaft 114 rotate faster. Furthermore, there is less resistance felt by input wheel shaft 114 to rotate output disc 112 as input wheel 110 is translated from a center portion to a peripheral portion defining output disc 112 .
- FIG. 10 shows an alternative mechanism for changing resistance.
- An input wheel 120 is in contact with an output cone 122 .
- the location of the input wheel 120 relative to the output cone 122 may be altered by the user (e.g., by a knob mechanically coupled to the input wheel shaft 124 ).
- the location of the input wheel 120 relative to the output cone 122 establishes the speed with which the output cone 122 rotates. In other words, as input wheel 120 is translated from a tip portion to a larger diameter base portion defining output cone 122 , input wheel 120 and thus input wheel shaft 124 rotate faster. Furthermore, there is less resistance felt by input wheel shaft 124 to rotate output cone 122 as input wheel 120 is translated from the tip portion to the larger diameter base portion defining output cone 122 .
- FIGS. 11 and 12 depict alternative mechanisms for changing resistance.
- Counter rotating input wheels 130 are in contact with two output disks 132 .
- the distance between the pair of input wheels 130 may be altered by the user (e.g., by a knob mechanically coupled to one or both output disks).
- friction on the output disks 132 increases because of the parabolic configuration on facing surfaces of the output dicks 132 , thereby reducing speed of the output disks 132 and increasing a resistance felt by an input shaft (not shown) operably connected to the input wheels 130 .
- FIGS. 13 and 14 depict an alternative mechanism for changing resistance.
- An input shaft 140 is connected to a driving cone 142 .
- the driving cone 142 contacts an output disk 144 coupled to an output shaft 146 .
- the location of the input shaft 140 relative to the output shaft 146 may be altered by the user (e.g., by a knob mechanically coupled to one or both of the input shaft and output shaft).
- the location of the input shaft 140 relative to the output shaft 146 establishes the speed with which the output shaft 146 rotates.
- the input shaft 140 and output shaft 146 are substantially aligned resulting in a higher output speed and less resistance felt by input shaft 140 as more driving cone 142 is in contact with the output disk 144 .
- the input shaft 140 is displaced from the output shaft 146 resulting in a lower output shaft speed and higher resistance felt at input shaft 140 .
- variable resistance mechanisms have been described with reference to FIGS. 6-14 to provide a variable resistance on input shaft 51 felt by a user, any number of variable resistance mechanisms known in the art are contemplated for use suitable to the desired end purpose.
- any selected variable resistance mechanism such mechanism should not interfere with selection and operation of the aquatic exercise cycle in the upright or recumbent riding positions.
- such a selected mechanism should allow easy disposal and positioning of the aquatic exercise cycle within the liquid medium such as a swimming pool, for example, while remaining stable during operation thereof and without having to attach the cycle to swimming pool structure.
- One alternative course of training which can achieve all three of the above includes cross-training with aquatic exercise equipment, including the above described aquatic exercise cycle. For instance, using a high quality, non-motorized aquatic treadmill and an aquatic exercise cycle in a small pool with a tethered or mechanical swim resistance device will greatly reduce the amount of time required to produce the same benefit from land-based training.
- One solution includes aquatic training because training in water produces 12 times more resistance than training in air(i.e., on land) and the time required to achieve equal benefit is greatly reduced. Simultaneously, the buoyancy obtained by training in water greatly reduces stress and impact on joints, bones, and muscles. This benefit not only reduces the likelihood of injury, but also reduces the recovery time required between training sessions. In addition, subsequent training sessions are of higher quality because the lingering fatigue factor and discomfort level caused by previous sessions is greatly reduced.
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Abstract
An aquatic exercise cycle including a frame receptive to be at least partially submersed in a liquid medium; a seat adjustably secured to the frame; a pair of handles operably coupled to at least one of the frame and the seat for an operator to hold onto; a crank assembly operably coupled to said frame having an input shaft rotatable with a pair of user operated pedals; and a variable resistance mechanism in operable communication with the input shaft and receptive to varying a resistance of rotation of the input shaft. The aquatic exercise cycle allows the user to adjust at least the seat relative to the crank assembly to select either an upright riding position or a recumbent riding position.
Description
- This application claims the benefit of United States Provisional Application No. 60/489,946, filed Jul. 22, 2003 the contents of which are incorporated by reference herein in their entirety.
- The invention relates generally to exercise equipment and in particular to an aquatic exercise bicycle for providing exercise in a liquid medium. More particularly, the invention relates to an aquatic exercise bicycle that may be adjusted and ridden in a recumbent or upright bicycle configurations.
- The benefits of aerobic exercise and particularly jogging are well known. Jogging is not suggested for persons who are prone to back, knee, and foot problems because the inherent impact of the feet on the ground surface is often the cause of peripheral vascular insufficiency or injury to the legs, ankles, and back. Invalids, osteoarthritic, and postoperative patients are given alternative forms of exercise such as swimming, which does not necessarily exercise the muscles which come into play in running or jogging.
- Aquatic exercise, and jogging apparatus are known in the art. There are several patents which disclose devices which are used for exercising in water, and jogging devices used out of water (i.e., treadmills). For example, one device for exercising in water includes U.S. Pat. No. 5,665,039 to Wasserman et al., which disclose an upright exercycle fixedly attached to a walkway of the pool. However, this design is limited to adjustment of the seat relative to the fixed crank and directed toward exercising in an upright position only. This design does not allow an operator to pedal the exercycle in a supine position as in a recumbent bicycle configuration. The advantage of a stationary recumbent bicycle as opposed to a stationary upright bicycle is that the user is positioned in a sitting position with the legs extending forwardly which reduces strain and stress on the spine and back muscles.
- Current exercise bicycles can be classified into three categories; (1) common bicycle held stationary while applying resistance to the rear wheel, (2) sitting exercise bicycles, and (3) semi-recumbent exercise bicycles. Units of the bicycle type are typically used by persons who want to simulate outdoor cycling for training purposes. With this form of exercise bicycle the weight of a user may be supported by both a handlebar and a seat. The sitting type refers to exercise bicycles where the user's weight is substantially supported by a seat and the crank and pedals are positioned below and shortly forward of the user. The semi-recumbent type refers to exercise bicycles where the user's weight is substantially supported by a seat and possibly a seat back. The crank and pedals are positioned substantially forward of the user on a substantially equal level with the seat.
- Each type of exercise exercises somewhat different muscle groups. The different configurations of exercise bicycles also provide differing levels of comfort for each user. For example, the classical position of a machine of the bicycle type provides the realistic body position and motion that are essential for accurate simulation of outdoor cycling. The classical position, however, may require a significant portion of the user's weight to be supported by the arms and upper body of the user. Such a position may be uncomfortable for an elderly user.
- Accordingly, it would be an advancement in the field to provide an exercise bicycle on which a user is able to accurately simulate the classical cycling position, while also allowing for an alternate semi-recumbent position. Such a bicycle would increase the range of users of differing abilities that may efficiently exercise with a single bicycle. Additionally, such a bicycle usable in a liquid medium, such as a swimming pool, would provide a variety of workouts for a user, thus, promoting interest and provide a method for exercising different muscle groups, while limiting harmful impact on the user because of buoyancy provided by the liquid medium. Furthermore, there is a desire for such an aquatic exercise bicycle to be easily disposed and positioned within the liquid medium, while remaining stable during operation.
- The above discussed and other drawbacks and deficiencies are overcome or alleviated by an aquatic exercise cycle that includes a frame receptive to be at least partially submersed in a liquid medium; a seat adjustably secured to the frame; a pair of handles operably coupled to at least one of the frame and the seat for an operator to hold onto; a crank assembly operably coupled to said frame having an input shaft rotatable with a pair of user operated pedals; and a variable resistance mechanism in operable communication with the input shaft and receptive to varying a resistance of rotation of the input shaft. The aquatic exercise cycle allows the user to adjust at least the seat relative to the crank assembly to select either an upright riding position or a recumbent riding position. In an exemplary embodiment, the seat and the crank assembly are adjustable relative to the frame to select either an upright riding position or a recumbent riding position.
- The above-discussed and other features and advantages of the present invention will be appreciated and understood by those skilled in the art from the following detailed description and drawings.
- Referring to the exemplary drawings wherein like elements are numbered alike in the several FIGURES:
-
FIG. 1 is a side view of an aquatic exercise bicycle having a seat and crank adjusted in a supine or recumbent position in accordance with an exemplary embodiment of the invention; -
FIG. 2 is illustrates the aquatic exercise bicycle ofFIG. 1 having the seat and crank adjusted in an upright position; -
FIG. 3 is front perspective view of the aquatic exercise bicycle as inFIG. 1 ; -
FIG. 4 is a rear perspective view of the of the aquatic exercise bicycle ofFIG. 3 ; -
FIG. 5 is a rear perspective view of the aquatic exercise bicycle as inFIG. 2 ; -
FIG. 6 depicts an exemplary embodiment of a variable resistance mechanism that may be employed with a crank assembly to vary a resistance of pedaling by an operator; -
FIGS. 7A and 7B depict an alternative exemplary embodiment of another variable resistance mechanism that may be employed with the variable resistance mechanism ofFIG. 6 ; -
FIG. 8 depicts a partial cross section view of one beveled pulley half engaged with a pulley belt illustrating relative displacement between a pair of pulley halves dependent on a distance therebetween; -
FIG. 9 depicts an alternative exemplary embodiment of another variable resistance mechanism that may be employed with the variable resistance mechanism ofFIG. 6 illustrating a variably displaced input wheel relative to an output disk to vary a gear ratio therebetween; -
FIG. 10 depicts an alternative exemplary embodiment ofFIG. 9 illustrating a variably displaced input wheel relative to an output cone to vary a gear ratio therebetween; -
FIGS. 11 and 12 depict alternative exemplary embodiments of another variable resistance mechanism that may be employed with the variable resistance mechanism ofFIG. 6 illustrating a variably displaced input wheels relative to a pair of a spaced output disks to vary an amount of friction on the input wheels therebetween; and -
FIGS. 13 and 14 depict alternative exemplary embodiments of another variable resistance mechanism that may be employed with the variable resistance mechanism ofFIG. 6 illustrating a variably displaced input shaft relative to an output shaft to vary a speed of rotation of said input shaft depending coaxial displacement of the input shaft from the output shaft. -
FIG. 1 is a side view of anaquatic exercise bicycle 10 in an embodiment of the invention. Theaquatic exercise bicycle 10 includes aframe 12 having aseat 14 operably coupled toframe 12 via aseat post 24,recumbent handles 16 operably connected to either theseat 14 orseat post 15,upright handles 18 extending fromframe 12, and acrank assembly 20 secured toframe 12.Frame 12 is configure as a singular tube frame having an arch shape, however, other suitable configurations are contemplated suitable to the desired end purpose.Frame 12 includesfeet 22 extending fromends 23 definingframe 12 to stabilize theaquatic exercise bicycle 10. The entireaquatic exercise bicycle 10, or at least a substantial portion thereof, is intended to be immersed in water, such as a swimming pool, for example, when in operation. A user operatespedals 21 extending from cranks 19 operably connected to an input shaft (not shown). -
Seat 14 is mounted onseat post 24 that rides in aslot 26 configured in atrack 28 depending fromframe 12. A knob having a threaded fastener generally shown at 27 secures thepost 24 in a fixed location relative totrack 28. Tilt of theseat 14 may be adjusted using a same knob or a separate further knob. InFIG. 1 ,seat 14 is shown in the recumbent position. - Although
track 28 is shown and described as depending fromframe 12, it will be recognized thattrack 28 having aslot 26 may be configured inframe 12. In either case,slot 26 provides infinite adjustment for translation ofseat 14 viaseat post 24 substantially parallel withframe 12 within the bounds ofslot 26. Alternatively, it is also contemplated thatslot 26 may be substituted with a plurality of discrete slots orapertures 26 along a length oftrack 28 orframe 12 providing discrete adjustability forseat 14 viaseat post 24. In this manner,seat 14 may be translated relative toframe 12 andcrank assembly 20 to select either an upright or a recumbent riding position depending on the relative location ofseat 14 with respect tocrank assembly 20. - In an exemplary embodiment, crank
assembly 20 is secured to frame 12 through twosupports Support 30 is pivotally connected to frame 12 and to ahousing 31 of thecrank assembly 20.Support 32 is pivotally connected tohousing 31 ofcrank assembly 20 at one end. The other end ofsupport 32 rides in aslot 34 configured in atrack 36 depending fromframe 12 forward oftrack 28. A knob having a threaded fastener generally shown at 38 securessupport 32 relative to track 36. InFIG. 1 , thecrank assembly 20 is shown in the recumbent position. - Although
track 36 is shown and described as depending fromframe 12, it will be recognized thattrack 36 having aslot 34 may be configured inframe 12. In either case,slot 34 provides infinite adjustment for translation of one end ofsupport 32 substantially parallel withframe 12 within the bounds ofslot 34. Alternatively, it is also contemplated thatslot 34 may be substituted with a plurality of discrete slots orapertures 34 along a length oftrack 36 orframe 12 providing discrete adjustability forsupport 32. In this manner, crankassembly 20 may be positioned relative to frame 12 and crankassembly 20 to select either an upright or a recumbent riding position depending on the relative location ofseat 14 with respect to crankassembly 20. - It will be recognized by one skilled in the pertinent art that although a pin and slot arrangement have been described with reference to translation of one end of
support 32 andseat 14 viaseat post 24, any suitable connection is contemplated that allows such translation or positioning ofseat 14 relative crankassembly 20. For example, crankassembly 20 may be supported via asingle support 32absent support 30. In this example, crankassembly 20 is pivotally attached to frame 12 at a first location and a second location. The crank assembly is attached to the firstlocation using support 32 having a first end pivotally extending from thecrank assembly 20 and an opposite second end realeasably coupled along a length offrame 12 at the first location depending on a selected riding position. Here the second location may include one end ofhousing 31 pivotally attached to frame 12 allowing use of asingle support 32 to pivotally translate input shaft generally shown at 50 inFIGS. 1 and 2 about the second location corresponding to direct pivotal attachment ofhousing 31 at an opposite end to frame 12 coincident with the second location. -
FIG. 2 shows theaquatic exercise bicycle 10 ofFIG. 1 in the upright position with the recumbent handles 16 removed.Seat 14 has been moved towards upright handles 18 via movement ofseat post 24 intrack 28.Support 32 has been moved towardseat 14 intrack 36. Thus,seat 14 is positioned substantially directly over thecrank assembly 20 for the upright riding position. -
FIGS. 3-5 are various perspective views of theaquatic exercise bicycle 10 in both the upright and recumbent riding positions.FIGS. 3 and 4 illustrate afurther knob 51 in conjunction withhandles 18 for raising and lowering the handles, as known in the pertinent art. -
FIG. 6 depicts an exemplary variable resistance mechanism that may be incorporated in thecrank assembly 20.Pedals 21 are mechanical coupled togears inlet 46 to anoutlet 48. It is envisioned that input shaft 51 (FIGS. 1 and 2 ) may be operably connected to one of thegears gears handle 50 is attached to arestrictor plate 52 by a threadedshank 54. Ashandle 50 is turned,restrictor plate 52 is moved into and out ofoutlet 48. This provides adjustable resistance and approaches an infinite resistance asoutlet 48 becomes completely blocked. The fluid circulated bygears aquatic exercise bicycle 10 is immersed or may be a self contained closed fluid system with appropriate reservoirs. -
FIGS. 7-14 depict alternative mechanisms for generating variable resistance. Each mechanism includes an input shaft, which is operably coupled to bothpedals 21 and an output shaft coupled to one ofgears input shaft 51 depicted inFIGS. 1 and 2 , as will be described hereinafter. - Shown in
FIGS. 7A and 7B is a pair of split pulleys 100 coupled by abelt 102. Each splitpulley 100 includes two pulley halves 101. Eachpulley half 101 has a beveledinterior surface 104 as best seen with reference toFIG. 8 illustrating apulley half 101 in cross-section. The spacing 106 between pulley halves 101 may be adjusted by the user (e.g., through a knob mechanically coupled to one or both pulley halves). By moving the pulley halves 101 closer or farther apart, the effective diameter of thepulley 100 relative to thebelt 102 is changed to alter the output speed of anoutput shaft 108.FIG. 7A illustrates a high output speed atoutput shaft 106 and thus more resistance felt atinput shaft 51.FIG. 7B illustrates a low output speed atoutput shaft 106 and thus less resistance felt at input shat 51. -
FIG. 9 shows an alternative mechanism for changing resistance. Aninput wheel 110 is in contact with anoutput disk 112. The location of theinput wheel 110 relative to theoutput disk 112 may be altered by the user (e.g., by a knob mechanically coupled to the input wheel shaft 114). The radial location of theinput wheel 110 relative to theoutput disk 112 establishes the speed with which theoutput disk 112 rotates. In other words, asinput wheel 110 is translated from a center portion to a peripheral portion definingoutput disc 112,input wheel 110 and thus inputwheel shaft 114 rotate faster. Furthermore, there is less resistance felt byinput wheel shaft 114 to rotateoutput disc 112 asinput wheel 110 is translated from a center portion to a peripheral portion definingoutput disc 112. -
FIG. 10 shows an alternative mechanism for changing resistance. Aninput wheel 120 is in contact with anoutput cone 122. The location of theinput wheel 120 relative to theoutput cone 122 may be altered by the user (e.g., by a knob mechanically coupled to the input wheel shaft 124). The location of theinput wheel 120 relative to theoutput cone 122 establishes the speed with which theoutput cone 122 rotates. In other words, asinput wheel 120 is translated from a tip portion to a larger diameter base portion definingoutput cone 122,input wheel 120 and thus inputwheel shaft 124 rotate faster. Furthermore, there is less resistance felt byinput wheel shaft 124 to rotateoutput cone 122 asinput wheel 120 is translated from the tip portion to the larger diameter base portion definingoutput cone 122. -
FIGS. 11 and 12 depict alternative mechanisms for changing resistance. Counter rotatinginput wheels 130 are in contact with twooutput disks 132. The distance between the pair ofinput wheels 130 may be altered by the user (e.g., by a knob mechanically coupled to one or both output disks). As the pair ofinput wheels 130 are brought closer together, friction on theoutput disks 132 increases because of the parabolic configuration on facing surfaces of theoutput dicks 132, thereby reducing speed of theoutput disks 132 and increasing a resistance felt by an input shaft (not shown) operably connected to theinput wheels 130. -
FIGS. 13 and 14 depict an alternative mechanism for changing resistance. Aninput shaft 140 is connected to a drivingcone 142. The drivingcone 142 contacts anoutput disk 144 coupled to anoutput shaft 146. The location of theinput shaft 140 relative to theoutput shaft 146 may be altered by the user (e.g., by a knob mechanically coupled to one or both of the input shaft and output shaft). The location of theinput shaft 140 relative to theoutput shaft 146 establishes the speed with which theoutput shaft 146 rotates. InFIG. 13 , theinput shaft 140 andoutput shaft 146 are substantially aligned resulting in a higher output speed and less resistance felt byinput shaft 140 asmore driving cone 142 is in contact with theoutput disk 144. InFIG. 14 , theinput shaft 140 is displaced from theoutput shaft 146 resulting in a lower output shaft speed and higher resistance felt atinput shaft 140. - Although numerous variable resistance mechanisms have been described with reference to
FIGS. 6-14 to provide a variable resistance oninput shaft 51 felt by a user, any number of variable resistance mechanisms known in the art are contemplated for use suitable to the desired end purpose. In any selected variable resistance mechanism, such mechanism should not interfere with selection and operation of the aquatic exercise cycle in the upright or recumbent riding positions. Furthermore, such a selected mechanism should allow easy disposal and positioning of the aquatic exercise cycle within the liquid medium such as a swimming pool, for example, while remaining stable during operation thereof and without having to attach the cycle to swimming pool structure. - One of the advantages obtained by using above described aquatic exercise cycle is discussed below. Amateur tri-athletes, like professionals will train from about 15 hours per week up to about 30 hours per week in an effort to maximize their performance in each of the three triathlon disciplines: swimming, cycling, and running. Three of the key factors that comprise a successful training program for this type of event are the hours of quality effort invested, the maximum recovery benefit obtained between training sessions, and remaining injury-free during the training program.
- One alternative course of training which can achieve all three of the above includes cross-training with aquatic exercise equipment, including the above described aquatic exercise cycle. For instance, using a high quality, non-motorized aquatic treadmill and an aquatic exercise cycle in a small pool with a tethered or mechanical swim resistance device will greatly reduce the amount of time required to produce the same benefit from land-based training.
- Very few athletes are able to devote equal training time to each discipline because they are stronger in one or two than the third, and need to devote additional time to that third or weaker area. However, devoting additional time to the weaker discipline takes valuable hours away from the other disciplines, which can then suffer.
- One solution includes aquatic training because training in water produces 12 times more resistance than training in air(i.e., on land) and the time required to achieve equal benefit is greatly reduced. Simultaneously, the buoyancy obtained by training in water greatly reduces stress and impact on joints, bones, and muscles. This benefit not only reduces the likelihood of injury, but also reduces the recovery time required between training sessions. In addition, subsequent training sessions are of higher quality because the lingering fatigue factor and discomfort level caused by previous sessions is greatly reduced.
- Thus, using the above described aquatic exercise cycle in a liquid medium that allows selection between a classical upright and recumbent riding position can aid in triathlon training, at least with respect to training for a bicycling aspect thereof.
- While this invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed as the best mode contemplated for carrying out this invention.
Claims (22)
1. An aquatic exercise cycle comprising:
a frame receptive to be at least partially submersed in a liquid medium;
a seat adjustably secured to said frame;
a pair of handles operably coupled to at least one of said frame and said seat for an operator to hold onto;
a crank assembly operably coupled to said frame, said crank assembly having an input shaft rotatable with a pair of user operated pedals; and
a variable resistance mechanism in operable communication with said input shaft, said variable resistance mechanism receptive to varying a resistance of rotation of said input shaft,
wherein at least said seat is adjustable relative to said crank assembly to select either an upright riding position or a recumbent riding position.
2. The aquatic exercise cycle of claim 1 , wherein said seat and said crank assembly are adjustable relative to said frame to select either an upright riding position or a recumbent riding position.
3. The aquatic exercise cycle of claim 1 , wherein said seat is receptive to translation substantially parallel with a portion defining a length of said frame and substantially normal to said frame.
4. The aquatic exercise cycle of claim 3 , wherein said seat depends from a height adjustable seat post, said seat post selectively coupled along a length defining said frame depending on a selected riding position.
5. The aquatic exercise cycle of claim 3 , wherein said crank assembly is pivotally attached to said frame at a first location and a second location, said crank assembly is attached to said first location using a first support having a first end pivotally extending from said crank assembly and an opposite second end realeasably coupled along a length of said frame at said first location depending on a selected riding position.
6. The aquatic exercise cycle of claim 5 , wherein said second end of said first support is translatable within a first slot extending along a length of said frame and is realeasably secured therealong.
7. The aquatic exercise cycle of claim 6 , wherein said crank assembly is pivotally attached to said frame at said second location using a second support having a first end pivotally extending from said crank assembly and an opposite second end pivotally coupled to said frame at said second location.
8. The aquatic exercise cycle of claim 6 , wherein said seat depends from a height adjustable seat post, said seat post selectively coupled along a length of said frame depending on a selected riding position.
9. The aquatic exercise cycle of claim 8 , wherein said seat post is translatable within a second slot aft of said first slot extending along a length of said frame and is realeasably secured therealong.
10. The aquatic exercise cycle of claim 9 , wherein said second end of said first support and said seat post are fixedly secured with respect to translation within said first and second slots, respectively, using corresponding mechanical fasteners to prevent further translation therein.
11. The aquatic exercise cycle of claim 1 , wherein said a variable resistance mechanism is incorporated with said crank assembly.
12. The aquatic exercise cycle of claim 1 , wherein said pair of handles operably coupled to at least one of said frame and said seat for an operator to hold onto include a first pair of handles operably coupled to said frame for said upright position and a second pair of handles operably coupled to said seat for said recumbent position.
13. The aquatic exercise cycle of claim 12 , wherein said second pair of handles are receptive to being moved out of the way for operation in said upright position.
14. The aquatic exercise cycle of claim 1 , wherein said frame is a single tube frame configured in an arch with feet depending from opposing ends defining said frame to stabilize said frame in said liquid medium.
15. The aquatic exercise cycle of claim 1 , wherein said variable resistance mechanism includes a first gear in operable communication with a second gear operably coupled to an output shaft, said first gear having first teeth engaged with second teeth of said second gear in said liquid medium, wherein said variable resistance mechanism is receptive to varying a resistance of rotation of said output shaft to vary a resistance of rotation of said input shaft.
16. The aquatic exercise cycle of claim 15 , wherein said variable resistance mechanism includes first and second gears rotatably fixed within a liquid filled chamber, said chamber including an inlet intermediate axes of rotation of said first and second gears and an outlet opposite said inlet intermediate axes of rotation of said first and second gears, said liquid filled chamber includes said liquid medium in which the exercise bicycle is immersed.
17. The aquatic exercise cycle of claim 16 , wherein rotation of said first and second gears pumps liquid into said chamber through said inlet and exit said chamber through said outlet.
18. The aquatic exercise cycle of claim 17 , wherein said outlet includes an adjustable restrictor plate, said restrictor plate is receptive to moving into and out of said outlet varying a resistance of rotation of said first and second gears.
19. The aquatic exercise cycle of claim 1 , wherein said variable resistance mechanism includes first and second gears rotatably fixed within a self contained liquid filled chamber, said chamber being a closed fluid system having suitably configured reservoirs to vary the resistance of liquid pumped by first teeth and second teeth of said first and second gears, respectively.
20. The aquatic exercise cycle of claim 17 , wherein said first gear is operably coupled to said input shaft.
21. The aquatic exercise cycle of claim 16 , wherein said variable resistance mechanism includes said output shaft variably geared with respect to said input shaft such that adjustment of a relative speed of said output shaft relative to said input shaft varies a resistance of rotation of said input shaft dependent on a change of relative speeds of said output and input shafts.
22. The aquatic exercise cycle of claim 1 , wherein said liquid medium includes a swimming pool in which at least a substantial portion of the exercise cycle is immersed in water when in operation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US10/898,095 US20050075222A1 (en) | 2003-07-22 | 2004-07-22 | Aquatic exercise bicycle |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US48994603P | 2003-07-22 | 2003-07-22 | |
US10/898,095 US20050075222A1 (en) | 2003-07-22 | 2004-07-22 | Aquatic exercise bicycle |
Publications (1)
Publication Number | Publication Date |
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US20050075222A1 true US20050075222A1 (en) | 2005-04-07 |
Family
ID=34396128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US10/898,095 Abandoned US20050075222A1 (en) | 2003-07-22 | 2004-07-22 | Aquatic exercise bicycle |
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US (1) | US20050075222A1 (en) |
Cited By (21)
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EP1719489A1 (en) * | 2005-05-04 | 2006-11-08 | Stefano Tomatis | Station for gymnastics in water |
DE102007031704A1 (en) * | 2007-07-06 | 2009-01-08 | Andreas Siggelkow | Sports and fitness equipment and use of the same |
US7582045B1 (en) * | 2006-11-20 | 2009-09-01 | Lombardi Joseph L | Variable resistance aquatic exercise apparatus |
WO2009156996A1 (en) * | 2008-06-25 | 2009-12-30 | Herzel Frenkel | A bicycle device having multiple position seats |
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US8074304B1 (en) | 2008-04-11 | 2011-12-13 | Snyder Christa J | Aqua therapy and recreation spa with interchangeable exercise equipment |
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US20150335936A1 (en) * | 2014-05-21 | 2015-11-26 | Aqua Creek Products LLC | Aquatic Exercise Cycle |
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US10220259B2 (en) | 2012-01-05 | 2019-03-05 | Icon Health & Fitness, Inc. | System and method for controlling an exercise device |
US10226396B2 (en) | 2014-06-20 | 2019-03-12 | Icon Health & Fitness, Inc. | Post workout massage device |
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- 2004-07-22 US US10/898,095 patent/US20050075222A1/en not_active Abandoned
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US20090054210A1 (en) * | 2005-05-04 | 2009-02-26 | Stefano Tomatis | Station for Gymnastics in Water |
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US7582045B1 (en) * | 2006-11-20 | 2009-09-01 | Lombardi Joseph L | Variable resistance aquatic exercise apparatus |
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US8074304B1 (en) | 2008-04-11 | 2011-12-13 | Snyder Christa J | Aqua therapy and recreation spa with interchangeable exercise equipment |
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US20110177919A1 (en) * | 2008-06-25 | 2011-07-21 | Tamari Ran | A bicycle device having multiple position seats |
US8827872B2 (en) | 2008-06-25 | 2014-09-09 | Ran TAMARI | Bicycle device having multiple positions for connecting a seat |
FR2943258A1 (en) * | 2009-03-18 | 2010-09-24 | Dynamika | Pedal assembly device for hydrotherapy installation to practice physical activities in e.g. whirlpool bath, has connection unit and part of chassis configured so as to position pedals with respect to chassis that is adjustable in plane |
US10220259B2 (en) | 2012-01-05 | 2019-03-05 | Icon Health & Fitness, Inc. | System and method for controlling an exercise device |
CN103446711A (en) * | 2012-06-04 | 2013-12-18 | 力山工业股份有限公司 | Support unit of exercise apparatus |
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US10188890B2 (en) | 2013-12-26 | 2019-01-29 | Icon Health & Fitness, Inc. | Magnetic resistance mechanism in a cable machine |
US10433612B2 (en) | 2014-03-10 | 2019-10-08 | Icon Health & Fitness, Inc. | Pressure sensor to quantify work |
US20150335936A1 (en) * | 2014-05-21 | 2015-11-26 | Aqua Creek Products LLC | Aquatic Exercise Cycle |
US10426989B2 (en) | 2014-06-09 | 2019-10-01 | Icon Health & Fitness, Inc. | Cable system incorporated into a treadmill |
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