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A multifunctional arm cranking exerciser includes an omnidirectional support bracket assembly, which comprises a five-way bracket mounted to a top thereof and having a left side to which a left arm exercising device is mounted and a right side to which a right arm exercising device is mounted. Also

A multifunctional arm cranking exerciser includes an omnidirectional support bracket assembly, which comprises a five-way bracket mounted to a top thereof and having a left side to which a left arm exercising device is mounted and a right side to which a right arm exercising device is mounted. Also mounted on the five-way bracket are a damping adjustment device and a quick release pin device. The quick release pin device allows for quick coupling and positioning of left and right arm cranks of the left and right arm exercising devices at an angular difference of 0 degree or 180 degrees and also allows for quick release and decoupling of the left and right arm exercising devices to be independent of each other. The damping adjustment device adjusts and regulates a level of damping for achieving an effect of efficient exercising.

대표청구항 ▼

1. A multifunctional arm cranking exerciser, comprising: an omnidirectional support bracket assembly, which comprises a top end to which a five-way bracket is fixedly mounted, the omnidirectional support bracket assembly being adapt to allow the multifunctional arm cranking exerciser to be attached

1. A multifunctional arm cranking exerciser, comprising: an omnidirectional support bracket assembly, which comprises a top end to which a five-way bracket is fixedly mounted, the omnidirectional support bracket assembly being adapt to allow the multifunctional arm cranking exerciser to be attached to an existing or a separate leg exerciser to form a hand and leg exerciser;a left arm exercising device, which is mounted to a left side of the five-way bracket;a right arm exercising device, which is mounted to a right side of the five-way bracket;a quick release pin device, which is operable for selectively quick coupling and positioning of left and right arm cranks of the left and right arm exercising devices at an angular difference of 0 degrees for synchronous movement or at an angular difference of 180 degrees for linked, collaborative movement or for selectively quick release and decoupling of the left and right arm exercising devices for independent operation; anda damping adjustment device, which is mounted on the five-way bracket and generates and applies damping or a resisting force to the left arm exercising device and the right arm exercising device, and is operable for adjustment of the damping or the resisting force in order to achieve an effect of exercising;wherein the left arm exercising device comprises a central axle rotatably mounted in the five-way bracket and the central axle has a left portion that comprises, formed and arranged thereon, a male spline and a left flywheel, wherein the left flywheel comprises a first female spine extending therein or therethrough to allow the left flywheel to be mounted, via the first female spine, to the male spline of the central axle; a first fixation block, wherein the first fixation block comprises a second female spine extending therein or therethrough to allow the first fixation block to be mounted, via the second female spine, to the male spline of the central axle and wherein the left portion of the central axle is provided with a first external thread to receive a first nut to screw thereto for fixation to the first fixation block and the left flywheel, and the first fixation block is provided, in an end surface thereof, with a plurality of threaded holes; and a left arm crank, wherein the left arm crank receives a plurality of screws extending therethrough to screw to the plurality of threaded holes formed in the end surface of the first fixation block to fix, as a combined unitary structure, the central axle, the left flywheel, the first fixation block, and the left arm crank together to form the left arm exercising device; andwherein the right arm exercising device comprises a right flywheel that is fit and mounted, in a spaced manner, via a plurality of bearings, to the central axle and a second fixation block that is also fit and mounted, in a spaced manner, via a plurality of bearings, to the central axle, wherein the right flywheel has an end surface in which a first keyway is formed, and the second fixation block has an end surface in which a second keyway is formed and corresponding thereto and a key is received in the first and second keyways so as to couple the right flywheel and the second fixation block to each other, the central axle having a right portion that is provided with a second external thread to receive a second nut to screw thereto for positioning and constraining the second fixation block, the second fixation block having an opposite end surface in which a plurality of threaded holes is formed; and a right arm crank, wherein the right arm crank receives a plurality of screws extending therethrough to screw to the plurality of threaded holes formed in the end surface of the second fixation block to couple and combine the right arm crank, the second fixation block, and the right flywheel together to form the right arm exercising device. 2. The multifunctional arm cranking exerciser as claimed in claim 1, wherein the quick release pin device comprises a quick release tubular seat, wherein the quick release tubular seat comprises, arranged therein, a stop plate; a pin that receives a spring fit thereto and is set to extend through the stop plate such that an end of the spring abuts the pin and an opposite end abuts the stop plate; an outer sleeve that comprises a through hole and an internal thread formed therein, wherein the through hole receives a front end of a fixing threaded fastener to extend therethrough to screw to an internal thread of the pin; an inner sleeve that is provided with internal and external threads, wherein the external thread is screwed to the internal thread of the outer sleeve and the internal thread receives an external thread of a connection rod to screw thereto and the connection rod comprises a pin hole formed therein at a location close to a top end; an eccentric rotary knob that comprises a pin hole formed therein and aligning with the pin hole of the connection rod to receive a pivot pin therethrough, wherein the eccentric rotary knob abuts against a top curved surface of the quick release tubular seat and the quick release tubular seat is provided with an external thread on a lower end thereof; a ring, which together with the second fixation block, is provided with an internally threaded hole to screw to the external thread of the quick release tubular seat, wherein the second fixation block is provided with an aperture inwardly of the internally threaded hole; the aperture receives the pin to extend therethrough; the central axle is set at a location in alignment with the pin and is provided with a 0-degree insertion hole and a 180-degree insertion hole at locations respectively corresponding to the left arm crank being set at the same angular position or at an angular position with an angular offset of 180 degrees; the eccentric rotary knob is operable for releasing a holding or pulling force and the spring biases and pushes the pin into and thus being retained in the 0-degree insertion hole to allow the left and right arm exercising devices to move synchronously, or alternatively, the spring biases and pushes the pin into and thus being retained in the 180-degree insertion hole to allow the left and right arm exercising devices to collaboratively move; and the eccentric rotary knob is alternatively operable, through rotation thereof, to induce a pulling force, in an upward direction, for lifting the pin and compressing the spring so as to allow the left and right arm exercising devices to move independently, allowing for exercise with a single hand or independent exercises for two hands. 3. The multifunctional arm cranking exerciser as claimed in claim 1, wherein the damping adjustment device comprises a curved plate, wherein the curved plate is provided, on two opposite sides, which respectively face the left and right flywheels, and a circumferential surface thereof, with a plurality of brake plates and the curved plate is provided, on two opposite sides of a middle thereof, with guide bars, wherein the guide bars support upward the curved plate with elastic members arranged on inner side of the curved plate; a rotary pressure knob, wherein the rotary pressure knob is set, via an elastic element, on the curved plate in an abutting engagement therewith and the rotary pressure knob is screwed, through an external thread, to an internal thread formed on the top of the five-way bracket so that rotating and tightening the rotary pressure knob makes the elastic element applies a pressing force to the curved plate whereby the brake plates induce the damping or resisting force to the left and right flywheels. 4. The multifunctional arm cranking exerciser as claimed in claim 1, wherein the omnidirectional support bracket assembly comprises two tubular bodies extending downward from the five-way bracket and the two tubular bodies are respectively provided, on lower ends thereof, with a first curved tube and a second curved tube rotatably mounted thereto such that the first and second curved tubes are rotatable, for 360 degrees, to reach predetermined positions, respectively, wherein the first curved tube comprises a first swivel terminal rotatably mounted to a lower end thereof and the first swivel terminal comprises a first swing member rotatably mounted to a lower end thereof so that the first swivel terminal is allowed to rotate through a range of 360 degrees for reaching a predetermined angular position, and the first swing member is allowed to swing or rotate in a front-rear direction for a range of 340 degrees; and the second curved tube comprises a second swivel terminal rotatably mounted to a lower end thereof and the second swivel terminal comprises a second swing member rotatably mounted to a lower end thereof, so that the second swivel terminal is allowed to rotate through a range of 360 degrees for reaching a predetermined angular position, and the second swing member is allowed to swing or rotate in a front-rear direction for a range of 340 degrees, wherein the first and second swing members are attachable to a separate or existing leg exerciser. 5. The multifunctional arm cranking exerciser as claimed in claim 1, wherein the multifunctional arm cranking exerciser further comprises an enclosure, wherein the enclosure is mounted to an outer circumference of the multifunctional arm cranking exerciser; the left flywheel and the right flywheel are provided with a plurality of sensor elements; and the enclosure is provided with a display screen electrically connected to the sensor elements so that rotational speeds of the left and right flywheel are selectively displayed on the display screen to be viewed by a user. 6. A multifunctional arm cranking exerciser, comprising: an omnidirectional support bracket assembly, which comprises a top end to which a five-way bracket is fixedly mounted, the omnidirectional support bracket assembly being adapt to allow the multifunctional arm cranking exerciser to be attached to an existing or a separately purchased leg exerciser to form a hand and leg exerciser;a left arm exercising device, which is mounted to a left side of the five-way bracket;a right arm exercising device, which is mounted to a right side of the five-way bracket;a quick release pin device, which is operable for selectively quick coupling and positioning of left and right arm cranks of the left and right arm exercising devices at an angular difference of 0 degrees for synchronous movement or at an angular difference of 180 degrees for linked, collaborative movement or for selectively quick release and decoupling of the left and right arm exercising devices for independent operation; anda damping adjustment device, which is mounted on the five-way bracket and generates and applies damping or a resisting force to the left arm exercising device and the right arm exercising device, and is operable for adjustment of the damping or the resisting force in order to achieve an effect of exercising;wherein the quick release pin device comprises a quick release tubular seat, wherein the quick release tubular seat comprises, arranged therein, a stop plate; a pin that receives a spring fit thereto and is set to extend through the stop plate such that an end of the spring abuts the pin and an opposite end abuts the stop plate; an outer sleeve that comprises a through hole and an internal thread formed therein, wherein the through hole receives a front end of a fixing threaded fastener to extend therethrough to screw to an internal thread of the pin; an inner sleeve that is provided with internal and external threads, wherein the external thread is screwed to the internal thread of the outer sleeve and the internal thread receives an external thread of a connection rod to screw thereto and the connection rod comprises a pin hole formed therein at a location close to a top end; an eccentric rotary knob that comprises a pin hole formed therein and aligning with the pin hole of the connection rod to receive a pivot pin therethrough, wherein the eccentric rotary knob abuts against a top curved surface of the quick release tubular seat and the quick release tubular seat is provided with an external thread on a lower end thereof; a ring, which together with the second fixation block, is provided with an internally threaded hole to screw to the external thread of the quick release tubular seat, wherein the second fixation block is provided with an aperture inwardly of the internally threaded hole; the aperture receives the pin to extend therethrough; the central axle is set at a location in alignment with the pin and is provided with a 0-degree insertion hole and a 180-degree insertion hole at locations respectively corresponding to the left arm crank being set at the same angular position or at an angular position with an angular offset of 180 degrees; the eccentric rotary knob is operable for releasing a holding or pulling force and the spring biases and pushes the pin into and thus being retained in the 0-degree insertion hole to allow the left and right arm exercising devices to move synchronously, or alternatively, the spring biases and pushes the pin into and thus being retained in the 180-degree insertion hole to allow the left and right arm exercising devices to collaboratively move; and the eccentric rotary knob is alternatively operable, through rotation thereof, to induce a pulling force, in an upward direction, for lifting the pin and compressing the spring so as to allow the left and right arm exercising devices to move independently, allowing for exercise with a single hand or independent exercises for two hands. 7. The multifunctional arm cranking exerciser as claimed in claim 6, wherein the left arm exercising device comprises a central axle rotatably mounted in the five-way bracket and the central axle has a left portion that comprises, formed and arranged thereon, a male spline and a left flywheel, wherein the left flywheel comprises a first female spine extending therein or therethrough to allow the left flywheel to be mounted, via the first female spine, to the male spline of the central axle; a first fixation block, wherein the first fixation block comprises a second female spine extending therein or therethrough to allow the first fixation block to be mounted, via the second female spine, to the male spline of the central axle and wherein the left portion of the central axle is provided with a first external thread to receive a first nut to screw thereto for fixation to the first fixation block and the left flywheel, and the first fixation block is provided, in an end surface thereof, with a plurality of threaded holes; and a left arm crank, wherein the left arm crank receives a plurality of screws extending therethrough to screw to the plurality of threaded holes formed in the end surface of the first fixation block to fix, as a combined unitary structure, the central axle, the left flywheel, the first fixation block, and the left arm crank together to form the left arm exercising device. 8. The multifunctional arm cranking exerciser as claimed in claim 7, wherein the right arm exercising device comprises a right flywheel that is fit and mounted, in a spaced manner, via a plurality of bearings, to the central axle and a second fixation block that is also fit and mounted, in a spaced manner, via a plurality of bearings, to the central axle, wherein the right flywheel has an end surface in which a first keyway is formed, and the second fixation block has an end surface in which a second keyway is formed and corresponding thereto and a key is received in the first and second keyways so as to couple the right flywheel and the second fixation block to each other, the central axle having a right portion that is provided with a second external thread to receive a second nut to screw thereto for positioning and constraining the second fixation block, the second fixation block having an opposite end surface in which a plurality of threaded holes is formed; and a right arm crank, wherein the right arm crank receives a plurality of screws extending therethrough to screw to the plurality of threaded holes formed in the end surface of the second fixation block to couple and combine the right arm crank, the second fixation block, and the right flywheel together to form the right arm exercising device. 9. The multifunctional arm cranking exerciser as claimed in claim 8, wherein the damping adjustment device comprises a curved plate, wherein the curved plate is provided, on two opposite sides, which respectively face the left and right flywheels, and a circumferential surface thereof, with a plurality of brake plates and the curved plate is provided, on two opposite sides of a middle thereof, with guide bars, wherein the guide bars support upward the curved plate with elastic members arranged on inner side of the curved plate; a rotary pressure knob, wherein the rotary pressure knob is set, via an elastic element, on the curved plate in an abutting engagement therewith and the rotary pressure knob is screwed, through an external thread, to an internal thread formed on the top of the five-way bracket so that rotating and tightening the rotary pressure knob makes the elastic element applies a pressing force to the curved plate whereby the brake plates induce the damping or resisting force to the left and right flywheels. 10. The multifunctional arm cranking exerciser as claimed in claim 6, wherein the omnidirectional support bracket assembly comprises two tubular bodies extending downward from the five-way bracket and the two tubular bodies are respectively provided, on lower ends thereof, with a first curved tube and a second curved tube rotatably mounted thereto such that the first and second curved tubes are rotatable, for 360 degrees, to reach predetermined positions, respectively, wherein the first curved tube comprises a first swivel terminal rotatably mounted to a lower end thereof and the first swivel terminal comprises a first swing member rotatably mounted to a lower end thereof so that the first swivel terminal is allowed to rotate through a range of 360 degrees for reaching a predetermined angular position, and the first swing member is allowed to swing or rotate in a front-rear direction for a range of 340 degrees; and the second curved tube comprises a second swivel terminal rotatably mounted to a lower end thereof and the second swivel terminal comprises a second swing member rotatably mounted to a lower end thereof, so that the second swivel terminal is allowed to rotate through a range of 360 degrees for reaching a predetermined angular position, and the second swing member is allowed to swing or rotate in a front-rear direction for a range of 340 degrees, wherein the first and second swing members are attachable to a separate or existing leg exerciser. 11. The multifunctional arm cranking exerciser as claimed in claim 8, wherein the multifunctional arm cranking exerciser further comprises an enclosure, wherein the enclosure is mounted to an outer circumference of the multifunctional arm cranking exerciser; the left flywheel and the right flywheel are provided with a plurality of sensor elements; and the enclosure is provided with a display screen electrically connected to the sensor elements so that rotational speeds of the left and right flywheel are selectively displayed on the display screen to be viewed by a user. 12. A multifunctional arm cranking exerciser, comprising: an omnidirectional support bracket assembly, which comprises a top end to which a five-way bracket is fixedly mounted, the omnidirectional support bracket assembly being adapt to allow the multifunctional arm cranking exerciser to be attached to an existing or a separately purchased leg exerciser to form a hand and leg exerciser;a left arm exercising device, which is mounted to a left side of the five-way bracket;a right arm exercising device, which is mounted to a right side of the five-way bracket;a quick release pin device, which is operable for selectively quick coupling and positioning of left and right arm cranks of the left and right arm exercising devices at an angular difference of 0 degrees for synchronous movement or at an angular difference of 180 degrees for linked, collaborative movement or for selectively quick release and decoupling of the left and right arm exercising devices for independent operation; anda damping adjustment device, which is mounted on the five-way bracket and generates and applies damping or a resisting force to the left arm exercising device and the right arm exercising device, and is operable for adjustment of the damping or the resisting force in order to achieve an effect of exercising;wherein the omnidirectional support bracket assembly comprises two tubular bodies extending downward from the five-way bracket and the two tubular bodies are respectively provided, on lower ends thereof, with a first curved tube and a second curved tube rotatably mounted thereto such that the first and second curved tubes are rotatable, for 360 degrees, to reach predetermined positions, respectively, wherein the first curved tube comprises a first swivel terminal rotatably mounted to a lower end thereof and the first swivel terminal comprises a first swing member rotatably mounted to a lower end thereof so that the first swivel terminal is allowed to rotate through a range of 360 degrees for a reaching predetermined angular position, and the first swing member is allowed to swing or rotate in a front-rear direction for a range of 340 degrees; and the second curved tube comprises a second swivel terminal rotatably mounted to a lower end thereof and the second swivel terminal comprises a second swing member rotatably mounted to a lower end thereof, so that the second swivel terminal is allowed to rotate through a range of 360 degrees for reaching a predetermined angular position, and the second swing member is allowed to swing or rotate in a front-rear direction for a range of 340 degrees, wherein the first and second swing members are attachable to a separate or existing leg exerciser. 13. The multifunctional arm cranking exerciser as claimed in claim 12, wherein the left arm exercising device comprises a central axle rotatably mounted in the five-way bracket and the central axle has a left portion that comprises, formed and arranged thereon, a male spline and a left flywheel, wherein the left flywheel comprises a first female spine extending therein or therethrough to allow the left flywheel to be mounted, via the first female spine, to the male spline of the central axle; a first fixation block, wherein the first fixation block comprises a second female spine extending therein or therethrough to allow the first fixation block to be mounted, via the second female spine, to the male spline of the central axle and wherein the left portion of the central axle is provided with a first external thread to receive a first nut to screw thereto for fixation to the first fixation block and the left flywheel, and the first fixation block is provided, in an end surface thereof, with a plurality of threaded holes; and a left arm crank, wherein the left arm crank receives a plurality of screws extending therethrough to screw to the plurality of threaded holes formed in the end surface of the first fixation block to fix, as a combined unitary structure, the central axle, the left flywheel, the first fixation block, and the left arm crank together to form the left arm exercising device. 14. The multifunctional arm cranking exerciser as claimed in claim 13, wherein the right arm exercising device comprises a right flywheel that is fit and mounted, in a spaced manner, via a plurality of bearings, to the central axle and a second fixation block that is also fit and mounted, in a spaced manner, via a plurality of bearings, to the central axle, wherein the right flywheel has an end surface in which a first keyway is formed, and the second fixation block has an end surface in which a second keyway is formed and corresponding thereto and a key is received in the first and second keyways so as to couple the right flywheel and the second fixation block to each other, the central axle having a right portion that is provided with a second external thread to receive a second nut to screw thereto for positioning and constraining the second fixation block, the second fixation block having an opposite end surface in which a plurality of threaded holes is formed; and a right arm crank, wherein the right arm crank receives a plurality of screws extending therethrough to screw to the plurality of threaded holes formed in the end surface of the second fixation block to couple and combine the right arm crank, the second fixation block, and the right flywheel together to form the right arm exercising device. 15. The multifunctional arm cranking exerciser as claimed in claim 12, wherein the quick release pin device comprises a quick release tubular seat, wherein the quick release tubular seat comprises, arranged therein, a stop plate; a pin that receives a spring fit thereto and is set to extend through the stop plate such that an end of the spring abuts the pin and an opposite end abuts the stop plate; an outer sleeve that comprises a through hole and an internal thread formed therein, wherein the through hole receives a front end of a fixing threaded fastener to extend therethrough to screw to an internal thread of the pin; an inner sleeve that is provided with internal and external threads, wherein the external thread is screwed to the internal thread of the outer sleeve and the internal thread receives an external thread of a connection rod to screw thereto and the connection rod comprises a pin hole formed therein at a location close to a top end; an eccentric rotary knob that comprises a pin hole formed therein and aligning with the pin hole of the connection rod to receive a pivot pin therethrough, wherein the eccentric rotary knob abuts against a top curved surface of the quick release tubular seat and the quick release tubular seat is provided with an external thread on a lower end thereof; a ring, which together with the second fixation block, is provided with an internally threaded hole to screw to the external thread of the quick release tubular seat, wherein the second fixation block is provided with an aperture inwardly of the internally threaded hole; the aperture receives the pin to extend therethrough; the central axle is set at a location in alignment with the pin and is provided with a 0-degree insertion hole and a 180-degree insertion hole at locations respectively corresponding to the left arm crank being set at the same angular position or at an angular position with an angular offset of 180 degrees; the eccentric rotary knob is operable for releasing a holding or pulling force and the spring biases and pushes the pin into and thus being retained in the 0-degree insertion hole to allow the left and right arm exercising devices to move synchronously, or alternatively, the spring biases and pushes the pin into and thus being retained in the 180-degree insertion hole to allow the left and right arm exercising devices to collaboratively move; and the eccentric rotary knob is alternatively operable, through rotation thereof, to induce a pulling force, in an upward direction, for lifting the pin and compressing the spring so as to allow the left and right arm exercising devices to move independently, allowing for exercise with a single hand or independent exercises for two hands. 16. The multifunctional arm cranking exerciser as claimed in claim 12, wherein the damping adjustment device comprises a curved plate, wherein the curved plate is provided, on two opposite sides, which respectively face the left and right flywheels, and a circumferential surface thereof, with a plurality of brake plates and the curved plate is provided, on two opposite sides of a middle thereof, with guide bars, wherein the guide bars support upward the curved plate with elastic members arranged on inner side of the curved plate; a rotary pressure knob, wherein the rotary pressure knob is set, via an elastic element, on the curved plate in an abutting engagement therewith and the rotary pressure knob is screwed, through an external thread, to an internal thread formed on the top of the five-way bracket so that rotating and tightening the rotary pressure knob makes the elastic element applies a pressing force to the curved plate whereby the brake plates induce the damping or resisting force to the left and right flywheels. 17. The multifunctional arm cranking exerciser as claimed in claim 14, wherein the multifunctional arm cranking exerciser further comprises an enclosure, wherein the enclosure is mounted to an outer circumference of the multifunctional arm cranking exerciser; the left flywheel and the right flywheel are provided with a plurality of sensor elements; and the enclosure is provided with a display screen electrically connected to the sensor elements so that rotational speeds of the left and right flywheel are selectively displayed on the display screen to be viewed by a user.