Push cycle

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

 

The invention relates to vehicles for movement which drivers use the energy of their own muscles.

In this field of technology occupy a significant niche bikes and scooters. The inventors of the first samples of these cars were moving on them with their feet, which were pushed off the land. In the future, the bike was equipped with a chain on the rear wheel, freewheel, brake, pneumatic tires, and other devices, is widespread in the world and has become a serious means of transport, while the scooter is practically remained at the level of its original scheme and is usually used for children's amusement.

In patent print there are a number of proposals to drive the rear wheels of scooters from various pedals installed on its support site. One such device is disclosed in the description of the patent DE 10132497 A1 B62M 1/04. The scooter includes a front driven wheel, steering column, frame, supporting-drive platform and the rear sprocket. Its anchor-drive space is made in the form of a rocker arm, which is pivoted on the frame and has a transverse horizontal axis swing. On the rear shoulder of the rocker arm is arranged in the ground for athlete's foot, on which he can stand with both feet, and the front shoulder is a p is the distance, plane which is elevated at an angle of about 25° and turned back. On the rear end of the rocker arm for supporting a platform vertically fixed gear sector, which engages with the gear, which is installed on the same axis with the leading wheel and connected with him through the overrunning clutch Cycling type. The device operates as follows: the athlete standing on the rear platform, takes a step forward and brings the weight of his body on the pedal arm, causing the rocker leans forward, the back shoulder with the sector gear rising up, turning the idle gear, and when the indentation of the athlete back on the support platform, the arm returns to its original position, this toothed sector swinging the gear already coupled with the sprocket wheel, the right to movement direction. Next working cycle is repeated.

This scooter has a simple and effective scheme of transferring power to a running wheel, but to drive at a distance of, say, 10 kilometers of its use can be put into question because of human movement, which he in such quantities shall be made, cannot be considered rational and natural. The athlete while in the pose of a wide step and holding the handlebars, forced to shake your body on the scheme back and forth and so forth, carrying the weight of a body from one shoulder of the rocker arm to another. P is such a monotonous rocking not applied in sport and employment rights, perhaps because in such cases quickly tired eye muscles that reflex prefocusing the lens of the eye after the change of the distance to the monitoring object. The disadvantages of this scooter should be attributed to the fact that traction on its driving wheel occurs periodically, taking no more than half the working time cycle.

Patent EP 1256363 AS 17/12 issued on the scooter, the design of which included: steering column, front wheel, frame, supporting-guiding space, leading rear wheel. The scooter is equipped with a drive leading back wheel from tilting in a longitudinal vertical plane of the rocker arm, which is pivotally connected with the frame and has two symmetrically located pedal - front and back. On the frame of the scooter apart from the rocker arm is rigidly fixed to the gear train coupled to each other in the following sequence: large front gear coupled with the large rear, and this in turn with a small gear. Small gear loose on the shaft, at the other end of which is mounted a drive sprocket connected by a chain circuit driven sprocket mounted on the rear wheel hub. On the shafts of the front and rear of large gears installed ratcheting device cranks, which are connected via connecting rods to the front and rear pedal arm. This scheme preprogram the Oia parts of the drive mechanism lets you change the direction of swing of the rocker arm to cause the rotation of the small gear in the same direction, what causes almost constant traction on the running wheel of the scooter, in contrast to the pulsating mode of operation of the previous version. However, consider the scooter serious vehicle can only with great reserve, for the reason described above, awkward movements rider for longitudinal swinging of the rocker arm, but also because of the large power loss during transmission on the drive sprocket. Transmission of this scooter includes five hinges, three shaft, two ratchet, three teeth, and a single chain of transmission that multilink character twice the scheme, for example, road bike.

It is known a device disclosed in FR 748137 A, 29/06/1933, EU Class: B62K 3/00, WM 1/04/. The scooter includes a front driven wheel, steering column, longitudinal frame support-drive platform, the rear sprocket. Reference-drive space includes two pedals, oriented along the scooter and located on either side of its longitudinal axis. The rear edges of the pedals are connected with the transverse horizontal shaft rotating at high drive rack. On the shaft is equipped with two power lever associated with the two drive chains, which cover the right and left driven sprocket mounted on the V-cores overrunning the drive wheel. The free ends of the chains are tightened the springs to drive the rack. In what Sodeistvie spring pedal in the initial position hang above the surface of the base-drive platform. To start the movement of the scooter is enough to transfer the weight of the body on one of the pedals.

The signs used in this design bilateral overrunning clutches and chain circuits of the analog can be considered closest to the claimed scooter.

A significant disadvantage of this analogue was identified by the applicant in the fall of 2005 when testing such devices. It should be noted that many techniques of movement - walking, running, Biking - one leg affected on the support, and the other at the same time is transferred to the source for this position. When riding on the described scooter this sequence has been broken. Here the athlete is in, say, the left pedal and the right foot makes raising and lowering of the pedal on the right. Next is a short phase simple standing on two pedals. Then you can start lifting or left, or right pedal. Almost, except for fatigue, it is more convenient to work with the same pace with the same pedal. In any case it is purely a pulsating mode of transmission power, where stroke is not more than 40% of the cycle time. This circumstance does not allow to reach speeds in excess of 12 miles per hour and makes the climb of the road. The mode of the drive, when the resistance of the pedals when working stroke will be equal to the weight of the athlete, and he could odor the step from the platform to the supporting leg, almost only happens at the beginning of the acceleration. The construction of the claimed scooter assumes the task of creating a vehicle that retains the characteristics of the scooter, but for speed and ease of drive approaching the characteristics of a road bike due to the rational use physical abilities of the person.

The achievement of the technical result is ensured by the fact that scooter, containing the steering column, the front driven wheel, a longitudinal frame, supporting-drive space, leading the rear wheel on the right and left overrunning clutches in his sleeve, with two asterisks attached to the cores overrunning clutches, and two chain drive circuits differs from analogues to the fact that its supporting-guiding space contains two symmetrically located relative to the longitudinal axis of the scooter guides, each of which consists of a treadmill, the two l-shaped flanges and two end stops. The guides have the opportunity reciprocating move podstepnyi platforms, each of which is connected through a push rod with the lower branch of the two-chain circuit, one of the stars which are fixed on Klinova core overrunning clutch drive wheel scooter. The push rod elastic link pulled up to the front of the chrome is e support-drive platform, that gives a return Podshipnik platforms to its original position after the stroke. This steering column is connected to the frame of the scooter by means of a cylindrical joint with the transverse horizontal axis of rotation that allows the athlete to force on the wheel to change the angular position of the steering column relative to the frame of the scooter in the longitudinal-vertical plane. The latter allows the athlete to choose the slope of the own body and the angle lock legs in podstepnyi platform depending on the resistance to movement of the scooter.

The first distinctive feature of the scooter device support-drive platform, which enables the driver-the athlete to use the technique on foot, Jogging or classic ski racing to drive the drive wheel of the scooter.

The second difference scooter from the nearest analogue is a swivel frame and steering column scooter, which creates a unique effect of pushing the steering wheel: the stronger the athlete pushes off the wheel, the more and more profitable in the direction of the force of its impact on podstepnyi platform.

The device of the scooter shown in the following figures:

figure 1 - General view of the scooter on the side;

figure 2 - General view of the scooter on top.

Steering column scooter relies on the driven wheels is 1 and apart from the other parts include steering wheel 3 and the bearing housing 2 with a leash 4. The frame of the scooter is connected to the lead 4 by a cylindrical hinge 5. The frame is made of a pipe, closed in a single loop from which there is a wide bearing portion 6 at the front and narrow rear part 7 for chain drives. On the bearing of the frame 6 has two longitudinal guides for the two four-wheel Podshipnik platforms 8 and 9. The guides contain a flat treadmill 10 and 11, limited front 12 and rear 13 end stops, and four g-shaped profile flanges: 14 and 15 for the right track, 16 and 17 to the left (figure 1 Board 17 is conventionally removed). Podstepnyi platforms 8 and 9 are connected by rods 18 and 19 with the lower branches of the two chain loops 20 and 21. In the left chain drive circuit includes a tensioning sprocket 22 and the driven sprocket 23, which is connected with the left overrunning clutch drive wheel 25. On the right side of the scooter chain drive circuit is designed as a mirror reflection of the described left. For submission of the platform 8 in the upper initial position under the base-drive platform installed spring 27 connected by a wire 26 with the rear end of the push rod 18. A similar device is made for submission to the starting position of the platform 9.

To start riding on the scooter enough to take him behind the wheel with the left hand, put your right foot on the right podstatnou platform to build on the land left n the goyim, to transfer the body weight on the right leg, straighten up and put the left leg on the corresponding platform. Under the effect of your weight right platform 9 will go down, the push rod 19 will move the lower branch of the chain circuit 21, a driven sprocket 24 through the left overrunning clutch will give a rotation of the master wheel 25. At the moment of contact of the platform with the rear limit stop 13 athlete carries the weight of the body on the left leg, including in the work of the left half of the drive mechanism, and the right leg starts to move upward together with the platform to its original position. For faster acceleration or overcome, say, a head wind, the rider can lean heavily on the steering wheel, pushing it forward, which in itself increases reactive force applied to the platform in the opposite direction. Upon reaching effort on the steering wheel a certain value of the latter moves forward, the steering column is rotated in the hinge 5 to the stop, the front wheel 1 drives up under the frame, and the steepness of the cross-country tracks in the backward direction increases. Thus the body of the athlete receives a greater inclination forward, causing increasing component of its impact on the platform in the direction of their movement.

Scooter, containing the steering column, the front driven wheel, a longitudinal frame, supporting-drive space, leading the rear wheel on the right and left the overrunning clutches in his sleeve, with two slave sprocket and the two chain drive circuits, characterized in that its anchor-drive space consists of two rails that are symmetrically located on either side of the longitudinal axis of the scooter and bearing two podstepnyi platforms, each of which has the ability independently of the other to make a reciprocating movement in its guide, being linked by means of the push rod with the lower branch of one of the two chain drive circuits, while idling each platform is provided by the energy of the return elastic member and the steering column is connected to the frame by means of a cylindrical joint with cross-horizontal axis of rotation and a specified sector of rotation.



 

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