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Maximum muscle strengthening resistance deviceMaximum muscle strengthening resistance device description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20070287612, Maximum muscle strengthening resistance device. Brief Patent Description - Full Patent Description - Patent Application Claims
PRIOR APPLICATION [0001]This application emanates from a prior Provisional Patent Application No. 60/684383 filed May 25, 2005. FIELD OF THE INVENTION [0002]This invention relates to the field of muscle strengthening exercise device. In particular, this invention involves a device that enables a person to exert his/her full power throughout the full range of motion during the whole time of exercise when the person exercises using this device. BACKGROUND OF THE INVENTION [0003]Until now most common muscle strengthening exercises have been performed by weight lifting that equal amount of weight is applied throughout the whole range of motion no matter how much the muscle is tired out. Therefore, initially the person performing the weight training lifts weight easily that there is not much exercise effect, and later as his/her muscle is getting tired the exercise gives strengthening effect to the muscle. However, very soon the person is getting more tired, and he/she is no more able to lift the weight and have to stop. If someone wants to increase speed, they need use lighter weight and work fast, but as the weight is light, it is not effective to strengthen the muscle, and need to make more repeat until the muscle is tired up, and at that point he/she is no more be able to exercise fast enough to get the speed. [0004]It is well known that the most effective muscle strengthening exercises are that enable the exercising person exert 100% of muscle power throughout the exercise range of motion. [0005]There are three kinds of exercises. isotonic, isokinetic, isometric exercises. [0006]Isotonic exercise is most common weight training that uses same amount of weight throughout the full range of motion but that can not give 100% muscle power exertion until the muscle is tired up and cannot lift the weight anymore. Isometric exercise gives 100% force exertion but it cannot give range of motion exercise. Isokinetic exercise, if the exercising person gives full effort to push or pull the moving element and if the moving element can move steady speed throughout the range of motion it can give 100% muscle exertion, but it has not been used for muscle strengthening exercises so far, except some rehabilitation purposes. This device is an exercise resistance that can be adapted to any kind of muscle strengthening exercise equipment so that you can receive all the good effects that you might be getting from the isotonic, isokinetic and isometric exercises. [0007]Basically this tool is an exercise resistance in which oil flow and mechanical force (either hydraulic pump or electric power motor) work as the resistance for the muscle strengthening exercises. By combining the hydraulic resistive force produced by oil flow and the force generated by either hydraulic pump or electric power motor, this device gives you a way of exercise with which you can get the maximum muscle strengthening effects throughout the exercising time. PRIOR ART IN THE FIELD [0008]Until now even though many types of exercising tools adapted the hydraulic resistance for resistive force, there has been no exercise equipment that focused on exerting full power of the exercising person during the whole time of exercise. James Shi in U.S. Pat. No. 761,100 uses the hydraulic resistance for his invention however it is for physical therapy aids purpose, and nothing related to maximum muscle strengthening exercises. Even though John Daniels in U.S. Pat. No. 399,200 also uses variable resisting force for his invention in response to a user-applied force, the mechanism of producing the resistive force is totally different from this invention. The mechanism and structure of this invention is unique. And the idea of combining the hydraulic resistive force and mechanical power unit in concentric-eccentric exercise cycles for maximum muscle strengthening exercises is very unique and has not been applied to any existing exercise equipment until now. SUMMARY OF THE INVENTION [0009]Muscle strengthening exercises is consisted of consecutive concentric-eccentric exercise cycles. Concentric exercise is the procedure that the exercising person actively shortens the muscle to strengthen against a resistant force, while the eccentric exercise is the procedure that the exercising person lengthens the same muscle to the direction of the resistant force. For the concentric exercise cycle, this device uses the resisting force that occurs when a volume of oil is forced to pass through a small opening. For the eccentric exercise cycle, this device uses the force generated by a hydraulic pump (in hydraulic pump version) or an electric power motor (in electric power motor version). [0010]During the concentric exercise the exercising person actively moves the exercising handle toward the concentric direction. Because the exercising handle is connected to the piston of the resistance cylinder set by a steel wire, this procedure causes outward pulling of the piston of resistance cylinder set. As the piston is pulled outward, the oil in the upper chamber of the cylinder is forced to move through a small hole called Resistance Control Opening. By changing the size of this opening with automatic valve, the resistance against the concentric exercise can be adjusted to the most desired level. [0011]As the said piston reaches to its highest point, it triggers the automatic valve to close the resistance control opening at the same time it triggers the hydraulic pump or electric power motor to start pushing the piston inward of the resistance cylinder set, that is the start of the eccentric procedure. As the said piston moves inward, it pulls the connected steel wire and accordingly pulls the exercising handle toward the opposite direction of exercising person's pulling force. The exercising person attempts to stop above mentioned reverse movement of the exercising handle by exerting his full power. However because the hydraulic pump or electric power motor is stronger than the exercising person, the exercising handle still moves in spite of his effort to stop the said movement. And, during the attempt to stop the said movement, the exercising person is actually performing eccentric exercise using his full power. As the said piston reaches its bottom position, it triggers the hydraulic pump or electric power motor to stop and the automatic valve to open the resistance control opening so allow the exercising person to actively perform the next concentric exercise cycle. [0012]As described above, this invention allows the exercising person exert his maximum power in both concentric exercise and eccentric exercise procedure. An oil pressure sensor is installed in the resistance cylinder set and shows the pressure inside of the resistance cylinder through the connected monitor screen that allows the exercising person monitors how much power he is exerting during the exercises. By changing the size of resistance control opening with automatic valve in the concentric exercise and by changing the speed of the said hydraulic pump or electric power motor in the eccentric exercise, the person can exercise in various speeds while he is still using his full power. BRIEF DESCRIPTION OF THE DRAWINGS [0013]FIG. 1 illustrates 3-D view of the Resistance Cylinder Set. [0014]FIG. 2 illustrates cross section view of the Resistance Cylinder Set. [0015]FIG. 3 illustrates a general view of the hydraulic pump version of the device system. [0016]FIG. 4 illustrates the mechanism of the device system during the concentric exercise (hydraulic pump version). [0017]FIG. 5 illustrates the mechanism of the device system during the eccentric exercise (hydraulic pump version). [0018]FIG. 6 illustrates a general view of the electric power motor version of the device system. Continue reading about Maximum muscle strengthening resistance device... Full patent description for Maximum muscle strengthening resistance device Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Maximum muscle strengthening resistance device patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. Start now! - Receive info on patent apps like Maximum muscle strengthening resistance device or other areas of interest. ### Previous Patent Application: Exercise device Next Patent Application: Systems and methods to facilitate muscular benefit using vascular occlusion Industry Class: Exercise devices ### FreshPatents.com Support Thank you for viewing the Maximum muscle strengthening resistance device patent info. 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