Bicycle with linear drive

FIELD: machine building.

SUBSTANCE: invention refers to bicycles with support on back and with crank drive of simultaneous manual and foot action. Shaft of drive sprocket (33) has cranks (29, 30) with connecting rods (47, 48) which are spaced at a distance exceeding width of a seat. Pedals (49, 50) are arranged on internal surface of a middle part of connecting rods(47, 48) in one of orifices (65) facilitating change of pedal trajectory. Handles (66, 67) are set on ends of connecting rods (47, 48) in one of the orifices ensuring arrangement of handles depending on length of arms. Also rollers (43, 44) enveloping guide (42) are mounted on ends of connecting rods (47, 48).

EFFECT: convenient trajectory of pedals and facilitation of additional usage of manual drive.

4 cl, 15 dwg

 

The invention relates to vehicles with a muscular drive and can be used for movement.

Famous bike "Ranger", commercially available in the United States, with a seat in a chair with a backrest and carrier bike cranks and pedals positioned in front of the turning wheel and chain transmission, connecting the carriage with the rear wheel.

(See www.velomobil.nm.ru)

This bike has, because of the long base, very large dimensions and weight.

Known Bicycle, comprising a frame with a seat mounted on the rear drive wheel and front swivel wheel the hub of which is provided with a bearing mounted on the axis with a through hole. This axis is fixed to a single console Peru rotary plug. The axis of the plug fixed in bearings of the frame and provided with a wheel on the end. To the frame in bearings attached to the shaft with a Bicycle crank and pedal at their ends so that the shaft passes through a hole axis of the front wheel. When this shaft is connected by two chain drives through the intermediate shaft located near the fork, and freewheel with the rotation of the rear wheels.

(See claim US 2006/0001232)

The disadvantages of this bike are low maneuverability, inconvenient circular trajectory of the pedals, not allowing the use of additional manual drive. N the guy in circular pedaling create great high wind resistance to the movement of the bike.

Famous racing bike with a linear actuator, comprising a frame with a seat mounted on a front swivel wheel that is installed in the fork with the wheel, mounted in bearings of the frame, and the rear drive wheel sprocket unit freewheel and manaton the shifter on the frame in bearings mounted shaft with a leading asterisk, connected by a chain with one of the sprockets of the drive wheel, the shaft with a leading asterisk on both sides it is provided with two crank-slider mechanisms, cranks which are opposed to each other and to the middle part of each connecting rod crank-slider mechanisms to the outer surface of the attached foot pedal. Each connecting rod crank-slider mechanisms for its end pivotally attached to its stem, located in the guide attached to the frame. Guides rods are next to each other and in the middle of the seat.

(See http://schroederhpv.design.officelive.com/aboutus.aspx)

The disadvantages of this bike are the large size and the lack of a manual drive.

The aim of the present invention is to improve usability by reducing the base of the bike and connectivity optional manual drive.

This goal is achieved by the fact that the bike with the linear actuator consists of a frame with a seat, set the nd to the front swivel wheel, established in the fork with the wheel, mounted in bearings of the frame, and the rear drive wheel sprocket unit freewheel and manaton the shifter. While on the frame in bearings mounted shaft with a leading asterisk, connected by a chain with one of the sprockets of the drive wheel. When this shaft with a leading asterisk on both sides it is provided with two crank-slider mechanisms, cranks which are opposed to each other. To the middle part of each connecting rod crank-slider mechanisms attached to the pedal.

What's new is that the connecting rods crank-slider mechanisms spaced apart from each other a distance greater than the width of the seat and the pedals are attached to the inner surface of the connecting rods. Thus the axis of the front wheel is made with a through hole, and the shaft connecting the crank-slider mechanisms, passed through this hole.

The bike with the linear actuator can be made so as to allow manual drive the slider of each crank-slider mechanism made in the form attached to the end of the connecting rod rollers, guide covering attached to the frame, at the end of each rod attached to the handle.

The bike with the linear actuator can be made so as to allow manual drive with straight handles the slider to the each crank-slider mechanism made in the form attached pivotally to the end of the rod carriage with rollers, installed on the guide attached to the frame. While each carriage arm attached.

The bike with the linear actuator can be made so that to allow additional manual drive simultaneously two hands and the ability to control the bike each slide-bar slider-crank mechanism is in the form of a rod located in the guide carriage, pivotally attached to the frame. And each rod end is connected by a hinge, with its focus that other hinge is associated with its own connecting rod crank-slider mechanism. The wheel is made so that the carriage handles, and the rotation of the carriages on the hinges kinematically associated with each other and with the rotation of the fork of the front wheel through the rod, the ends of which are pivotally attached to two levers are pivotally attached to the carriage. When this pull the middle part of the attached ball joint to the control arm, which hinge is attached to the axis of the fork of the front wheel. The ends of the rods from the side of the seat is also attached handle.

The invention is illustrated by drawings.

Figure 1 depicts the bike with the linear actuator on the side.

Figure 2 depicts the bike with the linear actuator on top.

Figure 3 depicts the front wheels.

4 is a section a-a figure 3.

Figure 5 depicts the rollers attached to the connecting rod and hutiaoxia guide with backlash.

6 depicts another embodiment of the mounting clips to the rod, covering the guide without backlash.

7 - section b-B figure 6.

Fig depicts the carriage arm, pivotally attached to the rod and mounted on the rail.

Fig.9 - a section b-b In Fig.

Figure 10 depicts the bike with the linear actuator and an additional manually operated simultaneously with both hands, side view.

11 depicts the bike with the linear actuator and with additional hand drive at the same time two hands, the view from the top.

Fig - section y-Y figure 11.

Fig - type D on Fig.

Fig depicts the front of the bike with suspension rods to the rudder cables or articulated links.

Fig depicts the front of the bike with suspension rods to the frame by ropes or articulated links.

The bike with the linear actuator includes a frame with a seat 1, mounted on the rear drive wheel 2 and the front swivel wheel 3. The frame consists of frames 4 and 5, connected by a hinge 6 with a horizontal transverse axis. To the frame 4 by a hinge 7 is attached to the absorber 8, which hinge 9 is attached to the frame 5. To the frame 5 in bearings 10 are attached to the axis 11 of the rotary plug 12 and provided with a wheel 13 at the upper end. The plug 12 is equipped with feathers 14 and 15, covering the wheel 3. One feather 14 plug connection, for example by a screw 16, prikra the network to the nut 17, wound on the axis 18, with a through hole along it. Another feather 15 plug 12 attached plug connection, for example by screws 19, to the eyelet 20 with a hole, thrown over the axle 18. The axle 18 has at one end a flange with slots for twisting axis 18 in the nut 17. Between the nut 17 and the ring 20 is clamped in the bearing 21, which is mounted in the sleeve 22 of the front wheel 3 and is clamped therein by a ring 23 with an external thread. The ring 23 for winding provided with slots on the end. To the frame 5 at the sides of the front wheel 3 attached two pipes 24 and 25, in which the ends of the fixed bearings 26 and 27. In these bearings installed shaft 28, the ends of which are attached to the cranks 29 and 30 crank-slider mechanisms located on each side of the front wheel 3. Pipe for rigidity attached to the frame 5 additional spacers 31. The shaft 28 is kinematically connected with a chain and freewheel 32 with the rotation of the rear wheels 2. Chain transmission consists of a sprocket 33 and sprocket unit 34 with manaton the shifter 35, on which was drawn the circuit 36. On the frame 5 under the seat is additionally fixed for deflecting circuit 36, the rollers with flanges 37 and 38. The plug 12 is attached to the stop 39, deflecting both branches of the circuit side from the wheel 3 at the turn of the fork 12. For convenient control of the axle 18 of the plug 12 is carried out with removal of the axis 18 peredne distance L with respect to the axis 11 of rotation of the plug 12. In this case, the angle between the axis 11 and the axis of the pipes 24 and 25 should be in the range of 3-7 degrees. The cranks 29 and 30 are mounted on the shaft 28 by nuts 40.

To the frame 4 are attached on the sides of the seat 1 guides 41 and 42, on which are based the rollers 43, 44, 45 and 46, attached to the ends of rods 47 and 48 of the crank-slider mechanisms. The rods 47 and 48 with their inner side is attached to the pedal 49 and 50.

The rollers 43, 44, 45 and 46 are attached to the screws 51 and 52 and nuts 53 and 54 so that was the gap between them and the guides 41 and 42 and that they did not get jammed when turning the rods 47 and 48. Possible alternative mounting clips without clearance. In this case, the upper rollers 43 and 45 on the axis 55 and nuts 56 and 57 are articulated earrings 58 to which are attached two rollers 59 and 60 by screws 61 and 62 and nuts 63 and 64. The trajectory of the pedals in the proposed actuator has an egg shape, elongated along the bike. Moreover, the sharp end of the egg facing the seat. You can change the trajectory, making the egg more rounded or more elongated, crepe pedal 49 and 50 to the other threaded holes 65 of rods 47 and 48. The best is to mount the pedals 49 and 50 on the distance from the cranks 29 and 30 constituting 1/3 of the length of rods 47 and 48. To the rods to their ends attached to the arms 66 and 67, for which there is an additional manual drive. Moreover, the actuator is performed with one hand only, as others who Goy hand control behind the wheel 13 for one of his arms 68 and 69, it depends which hand is the drive. The bracket arms 66 and 67 can also be changed, crepe them to other threaded holes 70 along the rods 47 and 48, depending on the length of the driver's hands. If the sliders in the form of a carriage 71 which hinges 72 are attached to the rods 47 and 48 and are located on the guides 41 and 42, the arm 66 and 67 are attached to the carriage 71. The carriage 71 is provided with rollers 73 on vertical screws 74 and horizontal screws 75. Tighten them screws 74 and 75 in the boss 76, it is possible to eliminate the backlash between the rollers 73 and the guide 41 and 42. The rods 47 and 48 mounted on the cranks 29 and 30 on bearings 77 and 78. If the bike simultaneously drive two hands slide each crank-slider mechanism is in the form of rods 79 and 80 located in the guide carriages 81 and 82 which hinges 83 and 84 attached to the frame 5. The piston rod 79 of the hinge 85, the axis of which coincides with the axis of the hinge 83, associated with the stop 86, which hinge 87 is connected with the connecting rod 47. The rod 80 by a hinge 88, the axis of which coincides with the axis of the hinge 84, associated with the stop 89, which hinge 90 is connected with the connecting rod 48.

The wheel in this case is made so that the carriage 81 and 82 provided with a handle 91 and 92 and the rotation of the carriages on the hinges 83 and 84 kinematically associated with each other and with the rotation of the fork 12 of the front wheels 3 through the rod 93.

The ends of the traction 93 hinges 94 and 95 are attached to cruchaga 96 and 97, which hinges 98 and 99 are attached to the carriage 81 and 82. The axis of the hinges 98 and 99 are parallel to the axes of the hinges 83 and 84. Rod 93 with the middle part of the attached ball joint 100 to the lever 101, which hinge 102 is attached to the axis 11 of the fork 12 of the front wheel 3. To the ends of the rods 79 and 80 from the side of the seat 1 is also attached to the arm 103 and 104. Each carriage 81 and 82 provided with twelve rollers 105 on vertical screws 106 and horizontal screws 107 and 108. The gaps between the rollers 105 and the rods 79 and 80 are achieved by screwing screws 106, 107 and 108 in the boss 109. For fixing the vertical screws 106 in the carriage 81 and 82 are the screws 110. It is also possible a simpler version of the Bicycle 1 with the execution of the slides or guides for the ends of rods crank mechanism in the form of flexible connection 111, one end connected with the ends of rods 47 and 48, and the other end connected with the wheel 13. This option is suitable for the performance of the bike with a simple pedal, which applies only to the movement of the legs away from you. For a circular pedaling when using contact pedals and VELATURA, instead of the flexible links are articulated links 112, one end of the hinge 113, better ball, attached to the ends of rods 47 and 48, the other end of the hinge 114, better ball, attached to the steering wheel 13.

There is also a variant of execution 1 execution crawled the new or guides for the ends of rods crank mechanism in the form of flexible connection 115, one end connected with the ends of rods 47 and 48, and the other end connected with the brackets 116 and 117 are rigidly attached to the frame 5. For a circular pedaling, instead of the flexible links 115 are articulated links 118, one end of the hinge 119 are connected to the ends of rods 47 and 48, the other end of the hinge 120 - brackets 116 and 117. Arm 66 and 67 can be removed if not needed manual drive, and are attached to the ends of rods 47 and 48 by screws 121.

Does the bike as follows.

In the first embodiment, the driver pedals 49 and 50 and at the same time with one hand over one of the handles attached to the stem, helps its reciprocating movement. With the other hand he controls the wheel 13. If the hand gets tired, it can be used to drive the other hand, the driving wheel 13 with a tired hand.

In difficult road conditions for security, you should hold the handlebars with both hands. In the second embodiment, the driver pedals 49 and 50 and the arm 103 and 104 performs manual drive with two hands, helping to move the rods 47 and 48. At the same time by turning the hands he can control the rotation of the bike. At the start it is better to hold on to the handles 91 and 92, eliminating manual drive. The arms 91 and 92 it is advisable to position the handle brakes and shifter.

Stated the bike is comfortable is rectoria movement of the pedals, small dimensions and additional manual drive. Because the rods are posted, they do not interfere with the rotation of the front wheel. And the pedal when a sharp turn you can stop outside the wheel.

1. The bike with the linear actuator, comprising a frame with a seat mounted on a front swivel wheel that is installed in the fork with the wheel, mounted in bearings of the frame, and the rear drive wheel sprocket unit freewheel and manaton the shifter on the frame in bearings mounted shaft with a leading asterisk, connected by a chain with one of the sprockets of the drive wheel, the shaft with a leading asterisk on both sides it is provided with two crank-slider mechanisms, cranks which are opposed to each other and to the middle part of each connecting rod crank-slider mechanisms attached to the pedal, characterized in that the connecting rods crank-slider mechanisms spaced apart from each other a distance greater width of the seat and the pedals are attached to the inner surface of the connecting rod, and the axis of the front wheel is made with a through hole, and the shaft connecting the crank-slider mechanisms, passed through this hole.

2. The bike with the linear actuator according to claim 1, characterized in that each slide-bar slider-crank mechanism is made in the form attached to the end of the Sha is una rollers, covering the guide attached to the frame, at the end of each rod attached to the handle.

3. The bike with the linear actuator according to claim 1, characterized in that each slide-bar slider-crank mechanism is made in the form attached pivotally to the end of the rod carriage with rollers mounted on the guide attached to the frame, with each carriage arm attached.

4. The bike with the linear actuator according to claim 1, characterized in that each slide-bar slider-crank mechanism is in the form of a rod located in the guide carriage, pivotally attached to the frame, and each rod end is connected by a hinge, with its focus that other hinge is associated with its own connecting rod crank-slider mechanism, and the steering wheel is made so that the carriage handles, and the rotation of the carriages on the hinges kinematically associated with each other and with the rotation of the fork of the front wheel through the rod, the ends of which are pivotally attached to two levers are pivotally attached to the carriage, while the thrust the middle part of the attached ball joint to the control arm, which hinge is attached to the axis of the fork, front wheel, the ends of the rods from the side of the seat is also attached to the arm.



 

Same patents:

FIELD: transport engineering; bicycles with crank-and-connecting rod transmission.

SUBSTANCE: proposed bicycle contains frame 1, driven sprocket 5, driven sprocket 2, chain, steering column 6 with handlebar. Reciprocating pedals are secured to levers to of driven sprocket 2 through rigid tie-rods 3. Devices to bring levers of driving sprocket 2 out of extreme point is hinge-secured on frame 1 and on rigid tie-rods 3. Frame 1 of bicycle provides distance of 10 cm between front and rear wheels in operating position of bicycle. Compactness of bicycle at shipment is provided by pressing of pedals to tie-rod 3.

EFFECT: use of rider weight as main moving force.

2 cl, 2 dwg

FIELD: transport engineering.

SUBSTANCE: invention relates to drives with reciprocating levers. Driving rocker 2 and driven rocker 4 are connected by connecting rod 3. Pedals are secured on driving rockers 2, and tie-rods are connected to driven rockers 4 for coupling them with freewheeling mechanisms 6. Driven rockers 4 can be suspended from slider 10, rocker or eccentric to change ratio of drive in motion.

EFFECT: enlarged ratio change range in drives with reciprocating levers.

6 cl, 13 dwg

FIELD: transportation.

SUBSTANCE: proposed bicycle with rowing propulsion relates to muscular force driven vehicles and can be used for transportation and exercising. Guide (6) for the carriage (7) is under seat (2). Leg supports (25) are fixed on two levers (23), each of which is hinged (21) to carriage (7) with provision for sideway rotation so that, levers (23) can be used as a wheel stop when one of them rotates. Leg supports (25) are on the sides of the front swivel wheel.

EFFECT: easier use due to reduction of the wheel base.

11 cl, 24 dwg

Push cycle // 2329911

FIELD: transport.

SUBSTANCE: invention relates to two-wheel saddleless means of travel. The push cycle incorporates a support-and-drive foot-plate with two guides wherein foot-step platform (8) can move coupled by push rod (18) with the lower chain drive circuit (20). Idling of platform (8) is ensured by an elastic element, i.e. spring (27). Steering column is hinged to the frame by mean of cylindrical hinge (5) with transverse-horizontal axis of rotation allowing changing the foot-step and guides inclination.

EFFECT: increase component of working stroke in the reciprocating cycle of the foot-step platforms.

2 dwg

FIELD: transport engineering; bicycles.

SUBSTANCE: invention relates to hand drive of bicycle combined with handlebar. With handlebar being rocked in vertical pane, reciprocation of carriages 4 along guides is provided through connecting rods 3. Carriages transmit said motion to flexible members 5. Flexible transmission contains pulleys or sprockets 6 on axle 7 and sprockets 8 with overrunning clutches transmitting rotation to hub 10 of front wheel. Drive includes right hand and left-hand flexible transmissions with provision of independent operation in case of failure of one of them.

EFFECT: provision of complete utilization of rider's weight for driving.

1 dwg

FIELD: transport engineering; bicycles.

SUBSTANCE: invention relates to hand drive of bicycle combined with handlebar. Rocking handlebar 1 made in form of bell crank is coupled through connecting rod 3 with lever 5 provided with pulley or sprocket 6 over which flexible member 7 passes to drive front wheel sprockets 9. Connecting rod 3 can be moved along handlebar 1 and lever 5 to adjust arm and change length. Separate sprocket 13 is installed movably to adjust tension. Diagonal lock 15 holds handlebar 1 in neutral position.

EFFECT: provision of complete utilization of rider's weight for driving.

6 cl, 1 dwg

FIELD: transport engineering; bicycles.

SUBSTANCE: invention relates to hand drive of bicycle combined with its handlebar. With handlebar 1 being rocked reciprocation of carriages 4 is provided through connecting rods 3. Said carriages convey said motion to flexible members 5. Flexible transmission contains pulleys or sprockets 6 on axle 7 and sprockets 8 with overrunning clutches transmitting rotation of shaft 10 of front wheel.

EFFECT: improved utilization of rider's weight for driving.

1 dwg

Velomobile // 2249528

FIELD: transport engineering.

SUBSTANCE: invention relates to hand-and foot-operated drive which serves simultaneously as steering gear. Levers 7 between feet of driver are made sectional with possibility of removal of upper part when driver gets to place. Connecting rods 8 to drive wheels 3 are hinge-mounted on levers 7 and brackets 10 with pedals 11 are rigidly secured on levers. One of levers 7, being steering one, is connected with steering wheel 2 by tie-rod 16. Bushing 14 located higher than steering lever step bearing 13 provides free rotation of steering lever around its axle. Connecting rod 8 is hinge-mounted on bushing 14, and bracket 10 with pedal 11 is rigidly secured. Foot steps 18 in front part of velomobile can be lowered to thrust against ground when driver gets on seat to improved stability of velomobile.

EFFECT: possibility of using muscular force of hands and feet and using velomobile as training device.

2 dwg

The invention relates to actuators rental at the same time hand and foot steps

The invention relates to the production of sports and recreational equipment and can be used to create new models of machines and equipment-analogues: bicycles, scooters, roller skates, skis, snowmobiles, sledges, skates, ice-boats, rowing boats, canoes, Canoeing

Vehicle // 2131820
The invention relates to wheeled vehicles, driven by human muscle force

The invention relates to Bicycle production industry, in particular for bicycles, which are driven by the movement of the arms and legs of a cyclist

Vehicle // 2392166

FIELD: transport.

SUBSTANCE: pedal levers (6) are jointed by cord (17, 30) with drive spiral-like segments (11) of gear ratio control mechanism (8) and drive wheel free running mechanism (37, 38). Control elements vary gear ratio by turning spiral-like variable-radius segments (11) with the help of cord (19), drive sectors (10) and cord (17). Control elements vary the height of rise of levers (6) via cord (44), levers rise mechanism (23-27) and cords running around drive sectors (10). Mechanism (31) allows tensioning the cords that can be made from kevlar.

EFFECT: higher efficiency.

5 cl, 6 dwg

Pedal drive // 2375236

FIELD: transport.

SUBSTANCE: proposed drive comprises two guiding profiles (1) wherein reciprocate two carriages rigidly interconnected via space sleeves to form integral unit (6) of carriages. Chain (8) is arranged between inner opposite surfaces of carriages, passed over front (9) and rear (11) sprockets running of free running axles (10, 12) and driven sprocket (13) rigidly fitted on pto-shaft (14). Two ratchet pawls are arranged between inner surfaces of carriages to clamp and pull chain (8) passed between them.

EFFECT: reduced torques that impedes carriage travel in guides that reduce wear of carriage bearing surfaces and profile guides.

3 dwg

FIELD: transport.

SUBSTANCE: drive system levers comprise rockers (9), coupled via con-rods (10), with crankshaft coupled with drive sprockets (3). Rockets (9) accommodate pedal elements to revolve thereabout, furnished with adjustable stops to move con-rods (10) or crankshaft from dead center in top position of pedal elements.

EFFECT: easier transfer of lever systems from dead center.

4 cl, 2 dwg

FIELD: transport.

SUBSTANCE: pedal scooter comprises frame (1), steering fork (3) with steering column (2), front wheel (7), rear driving wheel (8) fitted on drive axle with a pair of overrunning couplings. Drive levers (9) are hinged onto frame (1) and have feet supports. Proposed scooter is provide with flutes (19) accommodating rollers and flexible con-rods (21), with their one end connected with rollers and flexible con-rods and their opposite connected with driving levers (9). The latter can be furnished with return springs arranged, for example on driving lever hinges. Aforesaid feet support length can be adjusted to suit feet of adults and kids.

EFFECT: reduced height.

3 cl, 5 dwg

Push cycle // 2329911

FIELD: transport.

SUBSTANCE: invention relates to two-wheel saddleless means of travel. The push cycle incorporates a support-and-drive foot-plate with two guides wherein foot-step platform (8) can move coupled by push rod (18) with the lower chain drive circuit (20). Idling of platform (8) is ensured by an elastic element, i.e. spring (27). Steering column is hinged to the frame by mean of cylindrical hinge (5) with transverse-horizontal axis of rotation allowing changing the foot-step and guides inclination.

EFFECT: increase component of working stroke in the reciprocating cycle of the foot-step platforms.

2 dwg

FIELD: drives with reciprocating foot levers and with energy accumulation and release units.

SUBSTANCE: proposed drive includes drive shaft with cranks (1) and pedals, driven shaft with overrunning clutch in drive wheel and ropes (4). Secured to right-hand crank (1) is double-arm lever (2) which may be also mounted on drive shaft; ends of this lever have curvilinear surfaces through which ropes (4) are thrown which are secured on ends of double-arm lever (2). Center parts of ropes (4) are wound on two pulleys on which they are secured; pulleys are mounted on drive wheel for engagement with it through overrunning clutches. Fitted in center portion of double-arm lever (2) is lever (7) provided with elastic drive, spring (8) for example; second end of spring (8) is caught by frame. Proposed drive ensures accumulation of energy of foot push at the end of turn of crank.

EFFECT: enhanced efficiency.

4 dwg

FIELD: transport engineering; bicycles with crank-and-connecting rod transmission.

SUBSTANCE: proposed bicycle contains frame 1, driven sprocket 5, driven sprocket 2, chain, steering column 6 with handlebar. Reciprocating pedals are secured to levers to of driven sprocket 2 through rigid tie-rods 3. Devices to bring levers of driving sprocket 2 out of extreme point is hinge-secured on frame 1 and on rigid tie-rods 3. Frame 1 of bicycle provides distance of 10 cm between front and rear wheels in operating position of bicycle. Compactness of bicycle at shipment is provided by pressing of pedals to tie-rod 3.

EFFECT: use of rider weight as main moving force.

2 cl, 2 dwg

Vehicle // 2283243

FIELD: transport engineering; entertainments.

SUBSTANCE: proposed vehicle contains traction motor 47 and stepless gearbox - variable-speed drive. Used as variable-speed drive can be amplifier consisting of power differential 1, comparing differential 30, regulating differential 2, control differential 36 and two-self-braking mechanisms 3, 4. Input of power differential is connected with traction motor and input of regulating differential, central gears 17, 18 of power differential are connected with driven links 15, 16 of self-braking mechanism and with central gears 32, 33 of comparing differential to provided rotation of central gears of comparing differential in opposite directions. Driving links 13, 14 of self-braking mechanisms are connected with central gears 19, 20 of regulating differential and central gears 42, 43 of control differential to provide rotation of central gears of control differential in opposite directions, and change of gear ratio is carried out by means of bicycle-type pedal unit 46 mechanically coupled with control differential with possibility of changing speed of rotation of its central gears. Central of regulating differential are closed by speed equalizer 41.

EFFECT: provision of vehicle with ratio change and reversing by means of bicycle-type pedal drive.

2 cl, 1 dwg

Pedal drive // 2274576

FIELD: muscular drives; roller skates.

SUBSTANCE: invention relates to lever drive of roller skates. Hinge joint 4 of pedal 1 is arranged in middle part of pedal. Pedal 1 is connected with one of flexible member 12 secured by ends on sheaves 13,14 of mechanism with flexible coupling and passed over sheaves 13,14 of said mechanism from two sides. Flexible material tapes of cables are used as flexible members. One of sheaves 14 is connected with drive gear 15 of toothed mechanism.

EFFECT: possibility of use of smaller diameter sheave as compared with diameter of standard toothed gear, increased transmission gear ratio and speed of running.

16 cl, 4 dwg

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