Bicycle sixteen speed transmission

FIELD: mechanical engineering.

SUBSTANCE: invention relates to bicycle gear box. Compact gearbox with small metal consumption is installed on the pedal assembly of the bicycle frame. The gearbox provides 16 speeds and consists of five pairs of gears, the two three-position switching clutches. Between the three rows of middle gears opposite deployed on-off clutches linked by joint switch plugs are mounted by two.

EFFECT: sixteen speed bicycle gearbox, expanding the operational and layout characteristics of the bike.

2 dwg

 



 

Same patents:

FIELD: machine building.

SUBSTANCE: box contains drive shaft with fit seated set of pinions, set of follower gears permanently engaged with the pinions and made with possibility of free rotation around the driven shaft, and driven shaft containing gears switching coupling that permits smooth connection of the pinion and driven shaft, transition of the arbitrary torques without break of the power flow and gear switching is arbitrary order, the difference is that coupling for each gear switching can contain two or several types of machinery intended to transmit the torque that can have different design and different machinery of torque transmission, and upon each separate gear switching can be switched on with delay, thus ensuring use of their different ability for the torque transmission and sliding without damage.

EFFECT: compact and reliable design.

10 dwg

FIELD: process engineering.

SUBSTANCE: invention relates to two-speed gearing for drive torque transfer from input side to output side that features, at least, two selectable gear ratios. Multispeed gearing comprises multispeed, primarily, two-speed engagement safety device 36 that features, at least, two different selectable limit torques. Multispeed gearing mechanism 34 incorporates, at least, two gear sets 56a, 56b, preferably, variable gears. Aforesaid multispeed, primarily, two-speed engagement safety device 36 is arranged in wheels of gear sets 56a, 56b.

EFFECT: compact design to allow integration with hand-held machines.

12 cl, 10 dwg

FIELD: transport.

SUBSTANCE: dual clutch is arranged at gearbox input with portion of clutch driven discs fitted at primary shaft and another portion fitted at tubular shaft. Gears engaged with countershaft gears are fitted on said shafts. Secondary shaft with three gears is arranged coaxially with primary shaft. Second and fourth gears of said shaft engage with gears rigidly fitted on countershaft with three-position shift collar arranged there between. Dual shift collar composed of two half-couplings articulated by shift yoke is arranged between first and second pairs of countershaft gears. Dual shift collar composed of two half-couplings articulated by shift yoke is arranged between extreme gears of primary and secondary shafts.

EFFECT: expanded operating performances.

2 dwg

FIELD: transport.

SUBSTANCE: proposed gear box comprises step aligned three-shaft reduction gear, ordinary three-link planetary mechanism to allow two operating conditions, and four clutches. Said aligned three-shaft reduction gear incorporates eight forward gears and two rows of reverse gears. Inner support of input shaft is arranged in secondary shaft tip to rule out input support at engine crankshaft end face.

EFFECT: expanded performances of heavy vehicles.

2 dwg

FIELD: machine building.

SUBSTANCE: double coupling is installed in gear box. Part of driven disks of the coupling is arranged on a primary shaft of the gear box, while another part is arranged on a tubular shaft. Gears engaged with a gear block of a secondary shaft are fixed on these shafts. An additional shaft with three gears fixed on it is installed coaxially to the primary shaft. End gears of this shaft engage gears freely mounted on the secondary shaft; three-position shift collar is installed between them. Between neighbour pairs of gears there are installed two double shift collars, each consisting of two half-clutches interconnected with a shift fork.

EFFECT: expanded operational functionality of vehicle.

2 dwg

FIELD: transport.

SUBSTANCE: automobile transmission has drive gear fixed on input shaft, driven gear engaged with drive gear and installed on output shaft, hub rotating together with output shaft, sleeve, parking gear made as an integral part of the sleeve, a catch and element restricting the sleeve. Sleeve rotates as an integral part of the hub and is intended to connect driven gear to output shaft. Catch is located near external periphery of parking gear with possibility of being connected to and disconnected from parking gear. The element restricting the sleeve and equipped with a catch is intended to restrict sleeve movement in axial direction when the catch moves in the direction of interaction with parking gear.

EFFECT: improving compactness and reliability of the device.

6 cl, 6 dwg

FIELD: automotive industry.

SUBSTANCE: invention relates to automotive industry, particularly to gearboxes. Input shaft (2), main shaft (3) and extra shaft (4) are aligned in bearings of the housing of gearbox (1). Secondary shaft (5) is mounted parallel to aligned shafts (2), (3) and (4). Main shaft (3) carries tubular shaft (6) with gear (6) in mesh with gear (8) fitted thereon. Gear cluster (8) and (9) runs free on secondary shaft (5) carrying, as well, gears (10) and (11). Gear (9) is in mesh with gear(12) fitted on primary shaft (3). Gears (13), (14) and (15) are fitted on extra shaft (4). Gear (13) is in mesh with gear (10), while gear (15) engages gear (11), both being fitted on secondary shaft (5). Reverse gear (16) seats on axle (17). Half-coupling (18) is arranged on rim of extra shaft gear (13), while half-coupling (19) seats on secondary shaft gear rim. Three-position clutch (21) with reverse driven gear (22) is fitted on secondary shaft rim, between third and fourth rows of gears. Input shaft (2) supports dual clutch housing (23). Driven disk of LH clutch are fitted on primary shaft (3), while those of RH clutch are arranged on tubular shaft (6).

EFFECT: expanded operating performances.

2 dwg

FIELD: mechanical engineering.

SUBSTANCE: invention refers to transport engineering, particularly to gear boxes of vechicles. The double gear is installed at input to the gear box. Part of driven disks of this gear is installed on the primary shaft of gear box - GB, while another part is arranged on a tubular shaft. On these shafts there are mounted gears meshing the block of gears freely mounted on the intermediary shaft, whereon three gears are assembled. The secondary shaft with two freely placed on it gears is set coaxially to the primary shaft; triple-station range clutch is arranged between these shafts. The double range clutch consisting of two half-couplings tied with a shift fork is positioned between middle pairs of gears.

EFFECT: expanded operation functionality of vehicle.

2 dwg

Chassis wheel // 2551579

FIELD: transport.

SUBSTANCE: chassis wheel comprises rim on shaft and multiple grousers on rim periphery. Wheel rim part is not integral with the hub and is asymmetric therewith but runs in step therewith. Air tube of atmospheric pressure is fitted on said rim. The latter is shaped to cylindrical drum with flanges provided with through holes made in generatrix for grousers. Besides, said holes are formed in tire drum rim. Wheel rim part drive is composed of three spinning rollers, top one being intended for inner engagement with said flange and two bottom rollers arranged in symmetry with top one are intended for external engagement.

EFFECT: improved cross-country capacity.

2 dwg

Pedal drive // 2493999

FIELD: transport.

SUBSTANCE: invention relates to device to drive transport facilities by human muscles. Proposed drive has two stages, one being composed of two planetary mechanisms with carries 2, 3 rigidly coupled with carriage shaft 1 and composed of a plate integrated with carriage shaft 1 to double as a flywheel with plane pinions 4, 5 fitted on extending ends and engaged with sun gears 7, 8 at gear ratio of unity. Said sun gears are fitted concentrically with carriage shaft on both sides and fixed to vehicle body 9. Pedals 10, 11 are fitted on radial permanently horizontal levers 12, 13 directed forward. Axial ends of horizontal levers 12, 13 are rigidly connected with plane pinions 4, 5. Second stage is composed of gearing with gear 16 fixed at carrier rim 2 while gear 17 is fitted on drive axle 18 of one of vehicle actuators.

EFFECT: higher traction and efficiency.

1 dwg

FIELD: transport.

SUBSTANCE: invention relates to bicycle with reciprocating pedals. Pedal 23 is fitted on pusher 21 provided with gear 20. Spring-loaded rack 16 has teeth on its both sides to engage with overrunning coupling 13, 14 and gear 20. Extra rack 22 is a stationary element. Gear 20 interacts with stationary rack teeth and those of spring-loaded rack 16. In pedal downward travel, spring-loaded rack stroke is doubled due to addition of two motions. Pusher translation with gear 20 and rotation driven by engagement od gear 20 with fixed rack 22.

EFFECT: increased speed.

3 cl, 4 dwg

Bicycle // 2463194

FIELD: transport.

SUBSTANCE: invention relates to bicycle with pedal drive incorporating reciprocating levers. On drive wheel axle (22), outer part of telescopic lever is installed. Gear (23) is installed on outer part of telescopic lever. Arc-shaped pinion rack (24) is mounted on bicycle frame. Gear (25) is linked with one-way rotation clutch (27). Gear (23) is engaged with arc-shaped pinion rack (24) and with gear (25).

EFFECT: elimination of chain gear.

2 cl, 6 dwg

Bicycle // 2463194

FIELD: transport.

SUBSTANCE: invention relates to bicycle with pedal drive incorporating reciprocating levers. On drive wheel axle (22), outer part of telescopic lever is installed. Gear (23) is installed on outer part of telescopic lever. Arc-shaped pinion rack (24) is mounted on bicycle frame. Gear (25) is linked with one-way rotation clutch (27). Gear (23) is engaged with arc-shaped pinion rack (24) and with gear (25).

EFFECT: elimination of chain gear.

2 cl, 6 dwg

FIELD: transport.

SUBSTANCE: invention relates to bicycle with reciprocating pedals. Pedal 23 is fitted on pusher 21 provided with gear 20. Spring-loaded rack 16 has teeth on its both sides to engage with overrunning coupling 13, 14 and gear 20. Extra rack 22 is a stationary element. Gear 20 interacts with stationary rack teeth and those of spring-loaded rack 16. In pedal downward travel, spring-loaded rack stroke is doubled due to addition of two motions. Pusher translation with gear 20 and rotation driven by engagement od gear 20 with fixed rack 22.

EFFECT: increased speed.

3 cl, 4 dwg

Pedal drive // 2493999

FIELD: transport.

SUBSTANCE: invention relates to device to drive transport facilities by human muscles. Proposed drive has two stages, one being composed of two planetary mechanisms with carries 2, 3 rigidly coupled with carriage shaft 1 and composed of a plate integrated with carriage shaft 1 to double as a flywheel with plane pinions 4, 5 fitted on extending ends and engaged with sun gears 7, 8 at gear ratio of unity. Said sun gears are fitted concentrically with carriage shaft on both sides and fixed to vehicle body 9. Pedals 10, 11 are fitted on radial permanently horizontal levers 12, 13 directed forward. Axial ends of horizontal levers 12, 13 are rigidly connected with plane pinions 4, 5. Second stage is composed of gearing with gear 16 fixed at carrier rim 2 while gear 17 is fitted on drive axle 18 of one of vehicle actuators.

EFFECT: higher traction and efficiency.

1 dwg

Chassis wheel // 2551579

FIELD: transport.

SUBSTANCE: chassis wheel comprises rim on shaft and multiple grousers on rim periphery. Wheel rim part is not integral with the hub and is asymmetric therewith but runs in step therewith. Air tube of atmospheric pressure is fitted on said rim. The latter is shaped to cylindrical drum with flanges provided with through holes made in generatrix for grousers. Besides, said holes are formed in tire drum rim. Wheel rim part drive is composed of three spinning rollers, top one being intended for inner engagement with said flange and two bottom rollers arranged in symmetry with top one are intended for external engagement.

EFFECT: improved cross-country capacity.

2 dwg

FIELD: mechanical engineering.

SUBSTANCE: invention relates to bicycle gear box. Compact gearbox with small metal consumption is installed on the pedal assembly of the bicycle frame. The gearbox provides 16 speeds and consists of five pairs of gears, the two three-position switching clutches. Between the three rows of middle gears opposite deployed on-off clutches linked by joint switch plugs are mounted by two.

EFFECT: sixteen speed bicycle gearbox, expanding the operational and layout characteristics of the bike.

2 dwg

FIELD: transportation.

SUBSTANCE: transmission comprises a drive pulley rigidly fixed to the input shaft, a driven pulley fixed to the output shaft and a gear train comprising a drive gear rigidly fixed to the input shaft in engagement with the driven gear wheel rotatably fixed to the output shaft. The transmission additionally contains an override clutch fixed to the output shaft, on which the driven pulley is mounted. The belt drive is located outside the casing.

EFFECT: increased transmission reliability and durability while reducing the risk of injury.

5 cl, 5 dwg

FIELD: mechanical engineering.

SUBSTANCE: invention refers to transport engineering, particularly to gear boxes of vechicles. The double gear is installed at input to the gear box. Part of driven disks of this gear is installed on the primary shaft of gear box - GB, while another part is arranged on a tubular shaft. On these shafts there are mounted gears meshing the block of gears freely mounted on the intermediary shaft, whereon three gears are assembled. The secondary shaft with two freely placed on it gears is set coaxially to the primary shaft; triple-station range clutch is arranged between these shafts. The double range clutch consisting of two half-couplings tied with a shift fork is positioned between middle pairs of gears.

EFFECT: expanded operation functionality of vehicle.

2 dwg

FIELD: automotive industry.

SUBSTANCE: invention relates to automotive industry, particularly to gearboxes. Input shaft (2), main shaft (3) and extra shaft (4) are aligned in bearings of the housing of gearbox (1). Secondary shaft (5) is mounted parallel to aligned shafts (2), (3) and (4). Main shaft (3) carries tubular shaft (6) with gear (6) in mesh with gear (8) fitted thereon. Gear cluster (8) and (9) runs free on secondary shaft (5) carrying, as well, gears (10) and (11). Gear (9) is in mesh with gear(12) fitted on primary shaft (3). Gears (13), (14) and (15) are fitted on extra shaft (4). Gear (13) is in mesh with gear (10), while gear (15) engages gear (11), both being fitted on secondary shaft (5). Reverse gear (16) seats on axle (17). Half-coupling (18) is arranged on rim of extra shaft gear (13), while half-coupling (19) seats on secondary shaft gear rim. Three-position clutch (21) with reverse driven gear (22) is fitted on secondary shaft rim, between third and fourth rows of gears. Input shaft (2) supports dual clutch housing (23). Driven disk of LH clutch are fitted on primary shaft (3), while those of RH clutch are arranged on tubular shaft (6).

EFFECT: expanded operating performances.

2 dwg

FIELD: transport.

SUBSTANCE: automobile transmission has drive gear fixed on input shaft, driven gear engaged with drive gear and installed on output shaft, hub rotating together with output shaft, sleeve, parking gear made as an integral part of the sleeve, a catch and element restricting the sleeve. Sleeve rotates as an integral part of the hub and is intended to connect driven gear to output shaft. Catch is located near external periphery of parking gear with possibility of being connected to and disconnected from parking gear. The element restricting the sleeve and equipped with a catch is intended to restrict sleeve movement in axial direction when the catch moves in the direction of interaction with parking gear.

EFFECT: improving compactness and reliability of the device.

6 cl, 6 dwg

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