Bicycle, assembly method thereof and storage method thereof
SUBSTANCE: group of inventions relates to the field of transport, in particular to bicycles. Bicycle comprises a frame, a front steering assembly rotatably coupled to the frame, a front wheel rotatably coupled to the front steering assembly, and a rear wheel rotatably coupled to the frame. Frame includes an inflatable segment and a valve in communication with the inflatable segment for selectively inflating and deflating the inflatable segment. Inflatable segment is configured to be flexible when deflated so that the frame can be folded for storage. When inflated, the inflatable segment is configured to support the weight of an occupant of the bicycle during operation of the bicycle. Method of storing the bicycle includes two steps: inflating the inflatable segment of the bicycle frame through the valve and folding the inflated inflatable segment for storage.
EFFECT: increased compactness of the bicycle.
20 cl, 7 dwg
SUBSTANCE: invention relates to recumbent bicycle. This bicycle comprises frame with seat provided with backrest at rear wheel and front pivot drive wheel, drive wheel fork being fitted in the frame bearings and provided with handle bar. Said frame is provided with extensions on sides of front pivot wheel, shaft running in bearings of the latter and provided with con rods, pedals and drive sprocket. This shaft extends through bore in drive wheel hub. Horizontal countershaft with sprockets on ends is fitted on the frame, nearby said handle bar. Drive sprocket is engaged by the chain with one of countershaft sprockets while countershaft other sprocket is engaged via chain with front wheel hub sprocket. Countershaft is composed of planetary bush with flange for sprocket to be secured thereto to turn about axle parallel with handle bar pivot axis. Turn of planetary bush on axle parallel with the fork pivot pin is engaged with handle bar lever with pin and with lever with fork surrounding said pin. Planetary bush turn angle equals half the turn angle of front wheel fork turn.
EFFECT: lower handle bar control force.
SUBSTANCE: self-aligning system of pulley and drive belt comprises drive belt, pulley, frame and aligning flange. Belt comprises multiple ledges, each having aligning groove separating the ledge in first and second segments. Pulley can engage with the belt inner surface. Aforesaid frame outer round ring and can revolve. This system comprises multiple ring teeth extending radially and axially from said ring. Said teeth are located between adjacent ledges of the belt. Aligning flange extends radially between adjacent ring teeth and can be fitted in aligning groove and extends radially not further from rotational axis than ring teeth.
EFFECT: ruled out fouling of pulleys.
35 cl, 9 dwg
SUBSTANCE: invention relates to vehicles with muscle drive. Proposed recumbent bicycle comprises frame with seat mounted at front rotary wheel and rear wheel, fork with handle-bar fitted in frame bearings. Shaft with drive sprocket runs in frame bearings and is engaged with one of driven wheel sprockets. Driven wheel has set of sprockets, free running coupling and shifting lever. Shaft with drive sprocket is equipped with two crank-and-rocker mechanisms arranged on opposite sides of said shaft cranks of which are opposed while pedal is secured to every con-rod. Rockers are articulated by one end with con-rod and, by opposite end, with yoke with eccentric or screw. Yoke is squeezed at guide tube coupled by bracket with bicycle frame. Shaft with drive sprocket arrange between front and rear wheels, nearby front wheel.
EFFECT: simplified design, fast adjustments.
SUBSTANCE: invention relates to single-axle vehicles with steering device driving both wheels. Wheel chassis consists of two wheels 1 with rims 2 with hubs and treads 3. Wheels 1 are provided with individual drive. Pairs of axles 5, 6 are articulated by levers 4 to make antiparallel link mechanism inside appropriate rims 2 for steering purposes. Balancer is mounted on wheel axles 12. Driver seat 9 is arranged at one end of said balancer and gyro counterweight (not shown) is arranged at opposite end. Balancer is composed of two three-rod linkages 7 coupled by levers 4 to make antiparallel link mechanism. Linkage 7 has two rods 8 articulated with axles 5, 6 and third telescopic lever 10 articulated with assembly 11 composed of four joints to allow free revolution of near ends of axles 12. In straight movement, wheels 1 run parallel. In turns, wheels 1 run at angle to each other.
EFFECT: better cornering ability.
2 cl, 1 dwg
SUBSTANCE: invention relates to all-wheel drive bicycles. Coaxial drive pulleys 18, 21 drive via toothed drive belts 19, 22 pulleys 20, 23 of rear and front wheels 3, 4, respectively. Both strands of toothed belt 22 are twisted at their central part by rollers 24-27 through quarter of turn. Axis of fork bar 6 features inclination (a) to cross the intersection between tire 5 and bottom strand 22. Front wheel 4 is inclined sideways to make lengthwise axis of bicycle symmetry cross pulley 23.
EFFECT: increased angle of front wheel turn.
2 cl, 5 dwg
SUBSTANCE: pendulum fork 8 of rear wheel 7 is coupled with frame 1 by hinge 18 and spring shock-absorber 9. Vertical force of arms is directly transmitted to pendulum fork 8 bypassing shock-absorbed 9 due to linkage of vertical rod 10 with fork 8 and its arrangement under seat. Note here that handle bar 6 is arranged on vertical rod 10 and coupled with front fork 5 by tie rods 11. In compliance with another version, shock-absorber 9 may be arranged ahead of tie rod 10.
EFFECT: reduced requirements to shock-absorber and perfected characteristics of suspension.
6 cl, 6 dwg
SUBSTANCE: guide frame 1 supports seat 6 arranged on carriage 5 furnished with retainer 41 interacting with one of frame holes 46. Two swing levers 13, 14 with pedals 15, 16 are coupled via bracket 10 to carriage 5. Backrest 8 resting on roller 9 is hinged to seat 6. Seat is varied by varying backrest inclination in locking carriage 5 relative to appropriate hole 46. For rowing, retainer 41 is disengaged from frame 1 to allow pulling steering bar 40 and straightening legs to displace seat 6 on carriage 5. Gear ratio is changed by displacing slide 34 with retainer 35 on bracket 10. Every cable 23, 24 extends from fastener 39 on bracket 10 to run around rollers 36, 37 of slide 34 and rollers 32, 33 of levers 13, 14 to blocks 21, 22 of rear wheel drive 2.
EFFECT: seat variation, reduced bicycle length with vertical position of backrest.
2 cl, 5 dwg
SUBSTANCE: bicycle relates to bicycles with backrests and semi recumbent position. Brackets 21 for fastening links 17, 18 is arranged ahead of handlebar 8. Con rods 11, 12 carry pedal posts 24, 25 for high position of pedals 26, 27 to prevent bicyclist lower leg striking against co rods 13, 14 in pedaling. Adjustable clamps 22, 23 allow displacement of posts 24, 25 along con rods 11, 12 to regulate position of pedals 26, 27 to match with bicyclist lengths and, hence, allow fixed position of seat 2.
EFFECT: simplified design, higher speed.
2 cl, 2 dwg
SUBSTANCE: proposed bicycle comprises two articulated frames. Two deflecting rollers 56, 57 are fitted on common spring-loaded axle 54, 60 for both runs of chains 38 and located nearby frames hinge joint. In bicycle working position, axle 54 fits in hole 52. In folding the bicycle, axle 54 is turned downward to enter hole 51. Retainer 61 retains chain 38.
EFFECT: folding bicycle.
SUBSTANCE: invention relates to bicycles with back support and foot drive with reciprocating levers jointed with cranks by con rods. Flexible plate 21 prevents the end of crank 18 equipped with horizontal roller from reaching "dead point" position. Removable seat 10 is fitted with the help of seat stay 24, split fastener, inclined regulator slide 25 and shock absorber 26 of variable-rigidity ensured by varying shock absorber inclination on fastening its lower end in different openings of bracket 27. Releasable luggage frame 43 may be arranged on detachable stays 39 of support wheels 13.
EFFECT: higher efficiency of drive and easier use.
10 cl, 8 dwg
FIELD: transport engineering.
SUBSTANCE: invention relates to velomobiles ergonomic parameters of which can be adjusted to suit height of rider. Proposed velomobile contains frame 1, front driving wheel 2 and rear steering wheel 3, handlebar 4, seat 5 and backrest 6. Mudguard 8 is fitted on fork 7 of front wheel on which carriage 9 with drive sprocket and pedals is installed with possibility of changing its position over arc of circumference. Wheel 3 is installed on frame 1 by means of fork 13 and vertical hinge joint 14 whose bushing is rigidly secured on frame and shaft, in top of fork. Handlebar 4 is coupled with wheel 3 by means of steering mechanism with tie-rod 15 and front steering arm 16 and rear steering arm hinge-coupled with tie-rod 15. Handlebar is coupled with vertical part of steering arm 16, and second end of rear steering arm is rigidly coupled with lower end of shaft of hinge joint 14. Vertical part of steering arm 16 is installed on frame by means of rigidly secured steering column (bushing) 18. Handlebar can be tilted forward by friction mechanism 19 by means of which it is coupled with vertical part of steering arm. Telescopic post 20 is provided to change height of handlebar. Seat and backrest are secured on frame by adjuster 25 with setting holes for detachable fastening of lower ends of seat beam 21 and backrest post 24 to change ergonomic parameters. End of rear part of beam 21 is hinge coupled with middle part of post 24 which can be tilted forward at folding. Trough-like beam of adjuster 25 is secured on frame in the rear by means of horizontal hinge joint 26 and at front by means of spring 27. Seat is secured in seat beam by means of runners 29 with longitudinal horizontal slots for additional re-placing of seat along axis of velomobile, and runners are secured inn front by hinge joints, and runners are secured in front by hinge joints, and in the rear by means of springs. Supporting wheels 30 are installed at sides of front wheel with clearance relative to rolling surface. Velomobile is provided with foldable luggage carrier 35, headrest 37, buffer 38 with fairing 40 turnable for folding, and tent 42 stowed in bag.
EFFECT: improved comfort in service.
14 cl, 6 dwg
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.
SUBSTANCE: proposed device is brought into motion by pushing from the surface of the earth. Wheel (1) is located between two lateral plates (7, 8), fixed securely with axis (3) of third wheel (1). Plates for legs (9, 10) curve outside below the level of axis (3) of side plates (7, 8), which are formed such that, when the device is in use, they are above the knees of user (21), standing on one or both plates (9, 10) for the feet, providing grip and support for the lower leg. During training the device can have post (13) for balance.
EFFECT: improvement of riding qualities.
6 cl, 16 dwg
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
SUBSTANCE: proposed bike comprises front drive multi-speed chain transmission (8, 14) coupled with transfer coupling (9) arranged at top part of fork (10) of front wheel (2). Transfer coupling (9) is coupled, for example gimbal joint (13), with chain transmission (29) to rear wheel (3). One part of gimbal joint (13) fitted on fork (10) is coupled, via chain transmission (21), with transfer coupling (9). The other part of gimbal joint (13) fitted on frame (1) is coupled, via chain transmission (29), with rear wheel (3). Rear drive throw-in mechanism comprises shift lever interacting with drive and idle sprockets fitted on the axle of transfer coupling (9) and coupled, via chain transmission (21), with gimbal mechanism (13).
EFFECT: possibility to throw in rear wheel drive.
5 cl, 3 dwg
SUBSTANCE: bicycle relates to backrest bicycles, so-called, recumbent. Proposed bicycle consists of two frames jointed via pivot joint and shock absorber. Seat is attached to frame rear part, while fork (12) seats in bearings (10) with two wings (14, 15) and steer, located at bottom and top parts, respectively. One wing (14) is secured by split joint (16) to nut (17) screwed on axle (18) with hole. Another wing (15) is secured by split joint (19) to eye (2) with hole fitted on axle (18) with hole and has flange (21) on its end. Hub (23) of front wheel (3) is fitted on axle (18) with hole in bearing (22) mounted between nut (17) and eye (18). Two tubes (26, 27) with bearings (28, 29) on its ends are secured to front part of frame (5) of the sides of front wheel (3). Said tubes receive shaft (3) with con rods (31, 32) and pedals 33 on ends. Shaft (30) passes through axle (18) with hole. Shaft (3) is coupled with rear wheel via chain gear (40).
EFFECT: higher reliability of front wheel bearing, simple dismantling of front wheel.
4 cl, 4 dwg
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
SUBSTANCE: invention relates to bicycles comprising reciprocating foot pedals. Frame 1 comprises guides 2, 3 accommodating carriages 4, 5 with pedals 6, 7 that may be locked, and carriage 22 with seat 23. Rear drive wheels 8, 9 are provided with tapered blocks 14, 18 that have helical flutes with variable radius for cables 20, 21 coupled with carriages 4, 5. Backrest 25 thrusting on roller 26 secured to frame 1 is articulated with seat 24. To shift gears, seat 23 is moved along guides 2, 3. Note here that cables 20, 21, winding or unwinding, move to helical flute sections with required radius and appropriate gear ratio. To allow boat-racing motion to load hand, back and belly muscles, retainer 32 of seat 23 is disengaged from guides 2, 3.
EFFECT: increased gear ratio in streamlined horizontal position and reduced gear ratio for uphill climbing and heavy road.
SUBSTANCE: invention relates to bicycles with drive incorporating reciprocating foot levers. Carriage 1 with seat 4 are arranged on frame 1. Shaft 15 is arranged above handlebar 12 on frame bracket 13 to support pedal levers 16, 17 coupled by chain 24 with cable with drive wheel 8. Levers 16, 17 envelop front wheel 9 to be located at medium part of wheel 9. Each lever 16, 17 is articulated to shaft 15 to decline sideways. Plates 33, 34 are attached to front wheel fork to thrust against levers 16, 17 on turning front wheel 9. Roller 7 is attached to the frame whereon backrest 6 rests articulated to seat 4.
EFFECT: comfortable low fit reducing air drag and increasing front wheel diametre to facilitate cross country capacity.
SUBSTANCE: bicycle relates to bicycles with backrests. Frame 1 gas guide 2 accommodating carriage 3 of seat 6. Bicycle carriage 22 with drive sprocket 23 is secured to carriage 3 by adapter 21. Chain 28 is passed via pulley 29 coupled with the frame by flexible link and roller 30 secured on the frame nearby front wheel 14. Carriage 3 is provided with retainer 34 to interact with one of the holes of guide 2. With seat unlocked, boat racing motion is possible with additional loading of muscles of arms, back and prelum.
EFFECT: possibility to provide streamlined position in pedaling.