Abstract:
A pair of calf to shoulder length buoyant hand-grip bars are connected at one end of each hand-grip bar to an end of a flexible line upon which is mounted a tubular buoyant foot support bar spaced from the hand-grip bars.

Description:
BACKGROUND OF THE INVENTION 
   1. Field of the Invention 
   The invention pertains to exercise apparatus, more particularly to a user-manipulated force-resisting apparatus utilizing fluid resistance, that buoyantly supports the user. The apparatus provides support for suspending a bather in water, and water-resistance leg and arm exercise for a jogging bather. 
   2. Description of the Prior Art 
   The prior art is replete with patented designs for buoyant jogging exercise apparatus. U.S. Pat. No. 5,242,352, patented Sep. 7, 1993 by T. H. Elliott describes an underwater handle in a pool of water, drawn downward by the upward force of a float expressed through a rope which passes through a pulley mounted on the bottom of the pool. The person, standing or sitting in the pool, exercises by pulling upward on the handle with the person&#39;s submerged arm. 
   U.S. Pat. No. 5,702,331, patented Dec. 30, 1997 by C. M. Perham describes a buoyant foam body having a tapered hole through the body. The hole is sized for receiving the foot or hand in a relaxed extended manner so that it stays on the hand or foot without need for gripping the body by the hand or foot. 
   U.S. Pat. No. 4,768,774, patented Sep. 6, 1988 by B. L. Beasley describes a buoyant, elongated and columnar shaped flexible bar having laterally extending handles at each end of the bar. 
   U.S. Pat. No. 6,056,613, patented May 2, 2000 by K. E. Pike describes a no-hands flotation device of an elastic, longitudinally stretchable elongated tubing having closure devices on each end of the tubing to form the tubing into an endless elastic loop that is longitudinally stretchable between expanded and contracted positions, and a plurality of sections of buoyant material positioned on the tubing. 
   SUMMARY OF THE INVENTION 
   It is one object of the invention to provide a water-resistance arm and leg exerciser for use by a bather in water. 
   It is another object of the invention to provide a a water-resistance arm and leg exerciser for use by a bather in water, that buoys up the bather in the water. 
   It is another object of the invention to provide a pair of buoyant flexible elongated handle bars connected at one end of each bar by a length of flexible line that contains a plurality of foot bars. 
   It is another object that each of the flexible handle bars be at least as long as a distance from a shoulder to a calf of a bather. 
   An apparatus for exercise by a person having feet below the surface of a body of water, includes a first buoyant bar having a first length, a first end and a second end, a second buoyant bar having a second length, a third end, and a fourth end unattached from the first end so that the person can move the first end independently of the fourth end against resistance of the water, a flexible tubular line, having a third length, a fifth end and a sixth end, the fifth end of the flexible line inserted into the second end of the first buoyant bar, the sixth end of the flexible line inserted into the third end of the second buoyant bar, and a plurality of buoyant tubular bars mounted in tandem on the flexible tubular line. 
   An apparatus for exercise by a person having feet below the surface of a body of water includes a first buoyant bar having a first length for extending at least from a calf to a shoulder of the person, a first end and a second end, a second buoyant bar having a second length for extending from at least a calf to a shoulder of the person, a third end, and a fourth end unattached from the first end so that the person can move the first end independently of the fourth end against resistance of the water, a flexible line having a third length for bridging the person&#39;s feet at least when the feet are together, a fifth end and a sixth end, the fifth end of the flexible line attached to the second end of the first buoyant bar, the sixth end of the flexible line attached to the third end of the second buoyant bar, and a third buoyant tubular bar mounted on the flexible line between the first buoyant bar and the second buoyant bar. 
   The fifth end of the flexible line is removably attached to the second end of the first buoyant bar. A fourth buoyant tubular bar is mounted on the flexible line in tandem with the third buoyant tubular bar between the first buoyant bar and the second buoyant bar. The flexible line comprises a hollow tube and the first buoyant bar and second buoyant bar are made of flexible foam material which can be plastic or rubber. The third buoyant bar is preferably made of foam material which can be plastic or rubber. In another preferred construction of the invention, the third buoyant tubular bar comprises a sealed hollow cylindrical wall. 
   In another preferred construction of the invention, the first and second buoyant bars are each tubular. 

   
     BRIEF DESCRIPTION OF THE DRAWINGS 
     In order that the invention be more fully comprehended, it will now be described, by way of example, with reference to the accompanying drawings, in which: 
       FIG. 1  is a front schematic view of a person using an exerciser of the invention in water. 
       FIG. 2  is a cross section view of an arm bar of  FIG. 1 , taken along  2 — 2 . 
       FIG. 3  is a cross section view of the arm bar of  FIG. 2  taken along  3 — 3 . 
       FIG. 4  is a cross section view of a the foot bridge of  FIG. 1  taken along  4 — 4 . 
       FIG. 5  is a front partial front view of another exerciser according to the invention. 
       FIG. 6  is a cross section view of the foot support bridge of  FIG. 5  taken along  6 — 6 . 
       FIG. 7  is a cross section side view of an arm bar according to the invention. 
       FIG. 8  is a cross section side view of a foot support bridge of another exerciser according to the invention. 
       FIG. 9  is a cross section perspective view of another foot support buoyant bar according to the invention. 
   

   DESCRIPTION OF THE PREFERRED EMBODIMENTS 
   Before explaining the invention in detail, it is to be understood that the invention is not limited in its application to the detail of construction and arrangement of parts illustrated in the drawings since the invention is capable of other embodiments and of being practiced or carried out in various ways. It is also to be understood that the phraseology or terminology employed is for the purpose of description only and not of limitation. 
   In  FIG. 1 , person  20  is jogging at chest level in water  24  with exerciser  26  of the invention. His feet  28  are in pressing contact  30  against foot bars  34  which are mounted in tandem on flexible line  36  so that a flexible, buoyant foot support bridge  38  is formed. 
   Foot support bridge  38  is attached at ends  42 ,  44  respectively of the bridge to ends  46 ,  48  of arm bars  52 ,  54 . Preferably attachment of ends  42 ,  44  to ends  46 ,  48  is by inserting ends  43 ,  45  of line  36 , into arm bars  52 ,  54  and gluing. 
   Ends  56 ,  58  of arm bars  52 ,  54  are gripped by the person&#39;s hands  60 ,  62 . 
   Arm bars  52 ,  54  are preferably flexible enough to bend when pulled forward and back in water by the person&#39;s hands. Preferably each one of bars  52 , and  54  is stiff enough to not fold under water from its own buoyancy when it is held horizontal by one end of the bar. 
   Preferably each arm bar is a tube. 
   Ends  56 ,  58  are unattached to one another so that they can be moved by the person&#39;s hands independently of one another when arm bars  52 ,  54  are in water to provide resistance in different directions simultaneously to movement in the water. 
   Foot bars  34  and arm bars  52 ,  54  are made of buoyant material so that the entire apparatus would float up to the surface of the water if it were not for the feet and hands of the person contacting the apparatus. Consequently the apparatus buoys the person higher in the water than if the person would have been in the water without the apparatus. 
   Preferably the foot bars and arm bars are made of foam plastic or rubber that is closed cell, or that is sealed on the outer surface so that it cannot become waterlogged. 
   Preferably each arm  52 ,  54  is longer than line  36  from bar  52  to bar  54 . 
   Either the foot bar, arm bar or both can be made of hollow plastic shell so long as the shell does not collapse under use. 
   Preferably the buoyant lift of exerciser  26  is such that it lifts the person as high as the sternum  32 . 
   Referring to  FIGS. 1–4 , a test exerciser was constructed having the following dimensions. Each arm bar  52 ,  54  is a 58 inches long, 2.5 inches in diameter foam plastic  53  tube. Each foot bar  34  is larger in the center than at its ends, made of foam plastic  35 , 1.5 inches across the largest diameter, and 4 inches long. Line  36  is flexible tubular plastic  37 , 0.75 inches outer diameter, 42 inches long from bar  52  to bar  54 , and extends further into bars  52  and  54 . 
   This inventor exercised in 3–4 feet of water and found the test exerciser to work moderately well. In water that was deeper than the height of the inventor, the apparatus performed extremely well, while lifting the inventor above the water below his sternum, it provided smooth resistance to movement that imitated a stationary bicycle and a stair stepper. It provides smooth resistance to movement that imitates cross country skiing. 
   Resistance by the water to movement of the person&#39;s legs  64 , arms  66 , arm bars  52 ,  54 , and foot support bridge  38  enhances the exercise experience. Moving the legs  64  in opposite directions, the arms  66  in opposite directions further enhances the exercise experience. 
   In  FIGS. 5 and 6 , exerciser  70 , Styrofoam t.m. flexible buoyant tubular bar  72  of flexible foot support bridge  74  is mounted on flexible plastic tube  78  that is fastened by glue, pins  80  or other fastening means, to buoyant arm bars  82 ,  84 . 
   In  FIG. 7 , arm bar  90  is made of semi-rigid, closed cell foam  92  plastic. The closed-cell foam does not take on water and become water logged. 
   In  FIG. 8 , foot support bridge  102  includes tubular foam material bar  104  mounted on flexible solid plastic rod  106 . 
   In  FIG. 9 , sealed cylindrical wall  110  of tubular bar  114  provides strength and buoyancy for supporting a foot of the person exercising. 
   Although the present invention has been described with respect to details of certain embodiments thereof, it is not intended that such details be limitations upon the scope of the invention. It will be obvious to those skilled in the art that various modifications and substitutions may be made without departing from the spirit and scope of the invention as set forth in the following claims.