Mechanism Using a Single Power Source to Provide Two Exercising Functions for a Physical Exerciser

Abstract

Disclosed is a single-driving dual-directional operation device for fitness equipment, including a driver assembly, a first motion assembly, and a second motion assembly. The first and second motion assemblies respectively include first and second one-way bearings that are operable in first rotational direction and opposite second rotational direction respectively to allow the first and second motion assemblies to selectively get in driving engagement with the driver assembly to be respectively driven thereby to rotate in the first and second directions. Thus, when the driver assembly is put in operation selectively in the first and second directions, rotation motion is respectively induced in the first and second motion assemblies via the first and second one-way bearings in an interference-free and independent manner.

1 . A single diving dual-directional operation device for fitness equipment comprising: a driver assembly, a first motion assembly, and a second motion assembly, wherein the first and second motion assemblies respectively comprise first and second one-way bearings that are operable in first rotational direction and opposite second rotational direction respectively to allow the first and second motion assemblies to selectively get in driving engagement with the driver assembly to be respectively driven thereby to rotate in the first and second directions, whereby when the driver assembly is put in operation selectively in the first and second directions, rotation motion is respectively induced in the first and second motion assemblies via the first and second one-way bearings in an interference-free and independent manner.  
   
   
       2 . A single-driving dual-directional operation device, comprising: 
 a chassis;    a driver assembly mounted on the chassis and comprising a motor;    a first motion assembly comprising a first shaft mounted to the chassis and a first transmission roller mounted to the shaft and in driving coupling with the motor, a first transmission cylinder being rotatably mounted to the first shaft a first one-way bearing being arranged and coupled between the first transmission roller and the first transmission cylinder, the first one-way bearing being operable in a first direction;    a second motion assembly comprising a second shaft rotatably mounted to the chassis and in driving coupling with the first transmission roller of the first motion assembly, a second one-way bearing being mounted to the second shaft to couple a second transmission roller to the second shaft, the second one-way bearing being operable in a second direction that is opposite to the first direction of the first one-way bearing, the second shaft being in driving coupling with a driving shaft that is rotatably mounted to the chassis via the second one-way bearing;    wherein when the driver assembly is put in operation selectively in the first and second directions, rotation motion is respectively induced in the first and second motion assemblies via the operations of the first and second one-way bearings in an interference-free and independent manner.    
   
   
       3 . The single-driving dual-directional operation device as claimed in  claim 2 , wherein the chassis comprises an integrally formed unitary member or a combination of multiple pieces.  
   
   
       4 . The single-driving dual-directional operation device as claimed in  claim 2 , wherein the motor of the driver assembly has a spindle to which a pulley is mounted, a driving belt being fit around the pulley for driving a pulley mounted to the first shaft of the first motion assembly.  
   
   
       5 . The single-driving dual-directional operation device as claimed in  claim 2  or  4 , wherein two fixing lugs are provided on and extending from opposite sides of the chassis, the first shaft of the first motion assembly being coupled to the fixing lugs, a sleeve coaxially extending from the first transmission roller and the first one-way bearing being fit on the sleeve, a pulley being coaxially mounted to the first transmission roller and opposite to the sleeve for mating and engaging a driving belt, the first transmission cylinder being further rotatably supported on the first shaft by a bearing, a transmission belt being fit around the first transmission roller for driving the second motion assembly.  
   
   
       6 . The single-driving dual-directional operation device as claimed in  claim 2  or  4 , wherein the second shaft of the second motion assembly is rotatably mounted to the chassis by shaft seats that are fixed to the chassis, a pulley being mounted to the second shaft and being driven by the first motion assembly, a belt being fit around the second transmission roller, the driving shaft being rotatably mounted the chassis by shaft seats and a pulley being mounted to the driving shaft, the belt also extending around the pulley of the driving shaft.  
   
   
       7 . A treadmill comprising a treading exercise device, a driver assembly, a fist motion assembly, a second motion assembly, and a vibration fitness device, wherein the first and second motion assemblies respectively comprise first and second one-way bearings that are operable in first rotational direction and opposite second rotational direction respectively to allow the first and second motion assemblies to selectively get in driving engagement with the driver assembly to be respectively driven thereby to rotate in the first and second directions, whereby when the driver assembly is put in operation selectively in the first and second directions, the treading exercise device and the vibration fitness device are selectively and respectively driven by the first and second one-way bearings in an interference-free and independent manner.  
   
   
       8 . A treadmill comprising: 
 a driver assembly mounted on the chassis and comprising a motor;    a first motion assembly comprising a first shaft, a first transmission roller mounted to the shaft and in driving coupling with the motor, a first transmission cylinder being rotatably mounted to the first shaft, a first one-way bearing being arranged and coupled between the first transmission roller and the first transmission cylinder, the first one-way bearing being operable in a first direction;    a second motion assembly comprising a second shaft in driving coupling with the first transmission roller of the first motion assembly, a second one-way bearing being mounted to the second shaft to couple a second transmission roller to the second shaft, the second one-way bearing being operable in a second direction that is opposite to the first direction of the first one-way bearing, the second shaft being in driving coupling with a driving shaft via the second one-way bearing;    a treading exercise device comprising a front chassis section to which the driver assembly and the first motion assembly is mounted and a rear chassis section to which the second motion assembly is mounted, a treading board being fixed to the rear chassis section, a second follower cylinder being rotatably mounted to the rear chassis section and opposite to the first transmission cylinder of the first motion assembly, a treading belt being extending around the cylinders and along top and bottom surfaces of the treading board;    a vibration fitness device comprising a board mounted to the rear chassis section, two eccentric crank shafts extending from opposite ends of the driving shaft of the second motion assembly and rotatably coupled to opposite edge portions of the board, opposite front and rear edges being rotatably to the rear chassis section;    wherein when the driver assembly is put in operation selectively in the first and second directions, the first transmission cylinder of the first motion assembly and the driving shaft of the second motion assembly are selectively and respectively driven by the operations of the first and second one-way bearings in an interference-free and independent manner to respectively drive the treading belt of the treading exercise device and vibrating the board of the vibration fitness device.    
   
   
       9 . The treadmill as claimed in  claim 8 , wherein the motor of the driver assembly has a spindle to which a pulley is mounted, a driving belt being fit around the pulley for driving a pulley mounted to the first shaft of the first motion assembly.  
   
   
       10 . The treadmill as claimed in  claim 8  or  9 , wherein two fixing lugs are provided on and extending from opposite sides of the front chassis section, the first shaft of the first motion assembly being coupled to the fixing lugs, a sleeve coaxially extending from the first transmission roller and the first one-way bearing being fit on the sleeve, a pulley being coaxially mounted to the first transmission roller and opposite to the sleeve for mating and engaging a driving belt, the first transmission cylinder being further rotatably supported on the first shaft by a bearing, a transmission belt being fit around the first transmission roller for driving the second motion assembly.  
   
   
       11 . The treadmill as claimed in  claim 8  or  9 , wherein the second shaft of the second motion assembly is rotatably mounted to the rear chassis section by shaft seats, a pulley being mounted to the second shaft and being driven by the first motion assembly, a belt being fit around the second transmission roller, the driving shaft being rotatably mounted the rear chassis section by shaft seats and a pulley being mounted to the driving shaft, the belt also extending around the pulley of the driving shaft.  
   
   
       12 . The treadmill as claimed in  claim 8 , wherein the front chassis section is coupled to the rear chassis section by connections arranged at opposite side edge portions of the front chassis section.  
   
   
       13 . The treadmill as claimed in  claim 8 , wherein a joint bearing device is rotatably mounted to each eccentric crank shaft of the vibration fitness device, the board of the vibration fitness device being provided, at under surfaces of the edge portions thereof, with cross shafts to which distal ends of the joint bearing devices are rotatably mounted, a retention bar being mounted to the under surface of the board and substantially perpendicular to the cross bars, an end shaft extending from each end of the retention bar and rotatably mounted to the rear chassis section by a shaft seat.