WO2014084715A1

WO2014084715A1 - A triple power transmission drive system applicable for bicycle, velocipede etc.

Info

Publication number: WO2014084715A1
Application number: PCT/MY2013/000207
Authority: WO
Inventors: Seng Chuan Lim
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-11-28
Filing date: 2013-11-27
Publication date: 2014-06-05
Anticipated expiration: 2015-05-28

Abstract

The invention relates to an additional Front Wheel drive system to increase the output power for the present bicycle, tricycle, velocipede etc. via the implementation of a Bi-rotational Handle Bar System. The direct application and effective utilization of additional muscle power from the arms and upper body segment motions FIG. 12A, 12B, 12C are converted into useful rotary power via the Bi-rotational Handle Bar System, during both the Two Way Drives Long Handle Bar motions, with leveraging effects, i.e. clockwise motion FIG. 11A or Anti-Clockwise motion FIG.1 IB. The conversion of the Two- Way drives motion into a uni-rotational drive at its Front Drive Shaft 6, is transmitted via the Gear Conversion Device, as explained in detail in claim (IV). Wherein the driven Front Drive Shaft 6 further transmits the rotary power to the Front Wheel 20, with maximum power and with flexible control via the Variable Speed Chain Wheel Set Assembly, as explained in detail under claim (V). This invention also relates to improvement of health benefits and ergonomics advantages as it embraces wider participation of the associated muscle power.

Description

Title : A Triple Power Transmission Drive System applicable for bicycle, tricycle, velocipede etc.

Technical Field

5 Field of Invention

This invention relates to a method for increasing the overaU output power of a bicycle, tricycle, velocipede etc, by utilizing and maximizing the energy from the available muscle power of the cyclist, more specifically

10 from the arms and upper parts of the body, to power the Front Wheel 20, with maximum effectiveness, via the New Rotatable Handle Bar System, to be known as the Double Power Drive Bi-rotational Handle Bar System. Wherein, solely depending on the legs pedaling power for a prolonged period produces fatigue and strain to the muscles of the legs. More

15 specifically, the contribution and application of the various available muscle power, utilized in the context of this invention for example, from the Two-way power reciprocating swinging arms motions, together with the energy transmitted from the associated reclining upper body motions, are disclosed herein. Wherein the transmission of both these additional

20 muscle powers which are simultaneously converted into a useful continuous rotary power drive with several associated leveraging effects via the Double Power Drive Bi-rotational Handle Bar System, which is disclosed herein, propels the front wheel with maximum effectiveness, in unison (jointly or separately) with the existing legs pedal power that drives the 5 rear wheel.

This invention also relates as a function for increased health benefits for the cyclist, as during the operative utilization of the said invention, it embraces additional physical exercise movements, from (i)legs, (ii)arms and 0 (iii)upper body, thus providing for a more uniform overall muscle control, while having an invigorating exercise session, with improved ergonomics benefits. Bach-ground Art

Presently, during a cycling process, a cyclist basically transmits only one form of physical energy to the bicycle or tricycle i.e. legs power 5 transmission drive only, which results in limited output power performance, and causes fatigue to the legs muscles in the long run, while the upper body and the arms muscles are not displaying any effective role to maximize its output energy to the bicycle.

10 In the invention by Inventor Pena, Victor Medina

Application No: 11/317.372

US Patent 7,413,206

The drive system is shown operating using a reciprocal rearward- forward motion, it is clearly demonstrated that it includes a driving 15 phase and a preparatory phase, where during the preparatory phase the freewheel does not allow transmission of rotational force on the drive sprocket, and therefore it is a redundant motion.

Therefore this system is a single acting drive system.

20 In the invention by Inventor Ca M. Phillip

US Patent 4,773,662

The Front Wheel drive is comprised of a Drive Gear mounted on the upper front of a frame. The drive means is performed by the handle bar means via a single rotational direction drive.

5 Although such bicycles have enjoyed a certain degree of success, bicycles having more efficient and power drive systems are needed. Summary Of Invention

With this in mind, it is an objective of the invention to provide a drive system means to improve the output power level via leveraging on the 5 increase participation of the Physical Power Transmission Modes, into a Triple Power Transmission Drive System where the participation of the additional energy which is inherently available from the upper body segments and arms power are effectively utilized via the said Front Wheel Drive invention. Wherein power transmission from these 10 combination energy and having the flexible control of its speed adjustment control device and the leveraging power of its Long Lever Handle Bars, would thereby maximize the Output Power Transmission Drive of the bicycle, tricycle, velocipede, boats, etc. while having the advantages of an enhanced overall health benefits and an invigorating 15 exercise session for the cyclist.

The Triple Power Transmission Drive System is essentially comprised of the following Three(3) Modes of physical energy participation namely:- 0 ( i) The Legs Power Transmission

A Standard Pedaling Power Mode for the Rear Wheel Drive.

( ii) The Arms Power Transmission

Additional Pedaling Power Modes facilitated via The Double Power Drive Bi-rotational Handle Bar System of the said invention 5 for transmission of maximum power to its Front Wheel Drive.

(iii) The Upper Body Motion Power Transmission

The additional Pedaling Power Mode facilitated via The Pulling Motion from The Long Belt Drive Assembly that rotates The Double Power Drive Bi-rotational Handle Bar System of the said0 invention, for transmission of maximum power to its Front Wheel

Drive. Summary Of Invention

The said additional pedaling Power Mode System is comprised of the following: - ( i) A drive system means to impart a double power transmission drives 5 from the Bi-rotational Handle Bar System, to power the Front Wheel of a bicycle, or tricycle, during both its reciprocating motions, i.e. during its clockwise movements FIG. 11 A and conversely, during its anti-clockwise movement FIG. 11B.

10 More specifically, a drive system means, comprise essentially of a horizontal rotatable shaft, with its Long Lever Handle Bars 3, also known as the Double Power Drive Bi-rotational Handle Bar 1, which is rotatably mounted on a pair of Roller Bearings Assembly 2, FIG. 7A, 7B, comprising of Bearing Brackets 2A, Bolts 2C, and Roller Bearings 2B,

15 which is assembled to the Handle Bar Stem 21 of the bicycle or tricycle.

The Double Power Drive Bi-rotational Handle Bar 1, together with its Long Lever Handle Bars 3, provides the leveraging means of having the mechanical attribute of imparting Two(2) Forms of Rotational Power Drives FIG. 11 A, 11B to the Front Wheel 20, effectively, during both

20 the driving motions of the Long Lever Handle Bars 3, imparted b the reciprocating motions of the Arms Power, i.e. during both its Clockwise, FIG. UA or Anti-clockwise FIG. 11B motions. The transmission of both these alternating bi-rotational rotary power drives are converted into a continuous unidirectional drive to the Front Drive Shaft 6 via the Gear 5 Conversion System, also known as the Double Power Drive Bi-rotational Torque Converter Device 45 FIG. 3, FIG. 4, 5A, 5B, 6A, 6B and thereafter simultaneously powers its adjoining Variable Speed Chain Wheel Drive Assembly FIG.10 with Derailleur Device 26, propelling the Front Wheel 20 into the forward direction via its Multispeed Sprocket 0 Wheel 19, which is journalled to the Hub Axle 51. Summary Of Invention

( ii) FIG. 12 A, 12B, 12C Another additional drive system means to further increase the output power drive of a bicycle or tricycle,

5 via the transmission of energy from the pulling motion of a backwards reclining movement, that pulls a Long Belt Drive Assembly 36, which is looped behind the shoulder blades, rotates the Bi-rotational Handle Bar 1 via the Ring Brackets 37, which are strategically located, and powers the Front Wheel 20,

10 with maximum effectiveness.

(iii) Health Benefits

This invention provides a means to increase the active muscle participation, from the combination movements of various parts 15 of the body, with its harmonic ergonomics benefits, comprises as follows (instead of utilizing the sole muscle power transmitted from the pedaling motions of the legs, where fatigue and strain is commonly experienced during a prolonged duration), namely: - (a) Legs and Thighs movements.

0 (b) Hands and Arms movements.

(c) Upper Body and Cardiovascular movements.

Description of Drawing

FIG. 1 - A side view of the embodiment of this invention.

FIG. 2A - A top view of the embodiment of this invention.

5 FIG. 2B - An exploded top view of the embodiment of the drive system.

FIG. 3 - A rear view of the embodiment of this invention.

FIG. 4 - A cross section view 1^st Gear Wheel and 1^st Chain Wheel.

FIG. 5A - A side elevation of the Gear Wheel Set Assembly, Bi-rotational

Handle Bar in Anti-clockwise rotation.

10 FIG. 5B - A side elevation of the of the Chain Wheel Set Assembly,

Bi-rotational Handle Bar in Anti-clockwise rotation.

FIG. 6A - A side elevation of the Gear Wheel Set Assembly,

Bi-rotational Handle Bar is having a Clockwise rotation.

FIG. 6B - A side elevation of the Chain Wheel Set Assembly,

15 Bi-rotational Handle Bar is having a Clockwise rotation.

FIG. 7A - A Top view of the Bearing Bracket Assembly.

FIG. 7B - A cross section view of the Bearing Bracket Assembly.

FIG. 8 - An isometric view of the embodiment of Type I Handle Bar version tricycle.

20 FIG. 9 - An isometric view of the embodiment of Type II Handle Bar version tricycle.

FIG.1 OA - A side elevation of the Variable Speed Chain Wheel Set Assembly. FIG. 11 A - A side view of Clockwise rotation of the Handle Bar.

FIG. 11B - A side view of Anti-clockwise Rotation of the Handle Bar.

25 FIG. 12A - A side view of the Pulling Position of the Bi-rotational Handle Bar.

FIG. 12B - A side view of the Pulling Position of the Bi-rotational Handle Bar. FIG. 12C - A side view of the Pushing Position of the Bi-rotational Handle Bar. FIG.13 - A side view, bigger view of the Pulling of the Bi-rotational Handle

Bar.

30 FIG.14A - A side view of the embodiment of the Type III variation of the

Bi-rotational Handle Bar System.

FIG.14B - An isometric view of the Type III Bi-rotational Handle Bar System.

Claims

( 1)

Power Transmission Drives means, that results in boosting up the performance 5 of its overall Output Power Drive, comprising :-

(a) The First Drive System, Legs Power Transmission Drives, — From the

Standard legs pedal power of the Rear Wheel Drive.

(b) The Second Drive System, Arms Power Transmission Drives, — From application of the Double Power Drive Bi-rotational Handle Bar 10 Technology, a gear conversion means, which transmits effective rotary power for the Front Wheel Drive i.e. via the conversion of Bi-rotational drives into a continuous uni-rotational drive.

(c) The Third Drive System, Upper Body Motion Power, — From application of the Long Belt Drive Assembly with the Double Power Drive 15 Bi-rotational Handle Bar Technology which transmits effective rotary power for the Front Wheel Drive.

( II) A velocipede comprising of a Second Drive System Means, The Arms Power Transmission Drive of Claim 1(b) provides impartation of additional energy from the Double Power Transmission Drives of the Bi-rotational Handle Bar, 1,

20 to power the Front Wheel, 20, with maximum effectiveness, transmitted during both sides of the alternating bi-rotational movements of the said Bi-rotational Handle Bar 1.

More specifically, rotational energy is imparted to the Bi-rotational Handle Bar 1, via the reciprocating swinging arms motion of upwards (clockwise), and 5 downwards (anti-clockwise) FIG. 11 A, 1 IB, 12A, 12B, 12C.

(III) A velocipede comprising of a Third Drive System means of Claim 1(c),

the combination energy transmitted from the upper body motions of reclining backwards, which transmits a pulling force via the Long Belt Drive Assembly, 36, which is looped behind the shoulder blades, transmits rotary 0 power drive to the Bi-rotational Handle Bar, 1, via the Ring Brackets 37,

which are strategically positioned, FIG. 12A, 12B, 12C. (IV) The velocipede according to claim 1(b) is associated with Two(2) types of First Gears Pairs in direct driving relationship with their corresponding Second Gear pairs, to produce a continuous uni-rotational drive to the

Front Drive Shaft 6, comprising of:-

Firstl . The Gear Wheel Set Assembly: Comprising:

(IV) TYPE I (A) First Function: A drive means to transmit the First Alternating FI0 6A _{Drive t0} power the Front Wheel during the First Direction FK^J. 4 Drive of the Bi-rotational Handle Bar 1, say, clockwise.

It comprises of a First Big Gear Wheel 11 the Driving Wheel, wherein a pair of freewheels 13A is operatively coupled, and is journalled to the Bi-rotational Handle Bar 1, via a Collar 14A . The freewheels 13 A causes the Big Gear Wheel 11, to be rotatably driven only when the Bi-Rotational Handle Bar 1 is driven in the First direction, say clockwise, FIG. 6A, that causes the Second Gear Wheel 12 to rotate in the opposite direction i.e. anti-clockwise, which simultaneously drives the Front Drive Shaft 6 in the anti-clockwise direction, as it is journalled by a

Key 15, the driving rotational direction of the Front Wheel 20 This drive is to be called the First Alternating Drive.

(IV) TYPE I (B) Second Function: A drive means to be freewheeling during the FIG. 5A Second Direction Drive of the Bi-rotational Handle Bar 1, say, anti-clockwise.

However, conversely, when the Bi-rotational Handle Bar 1 is being driven in the Second direction, Anti-Clockwise FIG. 5A, freewheeling of the Big Gear Wheel 11 takes place, while the Second Gear Wheel 12 continues to rotate in the anti-clockwise direction, which is also in the same direction with the driven Front Drive Shaft 6, which is being driven by the adjacent

Type II Gear Pair. This drive is to be called the Second

Alternating Drive. Secondly, The Chain Wheel Set Assembly: Comprising:-

(IV) TYPE II (A) First Function: A drive means to transmit the Second Alternating FIG. 5B Drive to power the Front Wheel during the Second Direction

Drive of the Bi-rotational Handle Bar 1, say, anti-clockwise. It comprises of a First Big Chain Wheel 22, the Driving Chain Wheel, where a pair of Freewheels 13B is operatively coupled, is also journalled to the Bi-rotational Handle Bar 1 via a Collar 14B. FIG. 4. The Freewheels 13B causes the Big Chain Wheel 22 to be rotatably driven only when the Bi-rotational Handle Bar 1 is driven in the Second Direction, say Anti-clockwise, FIG. 5B, that causes the Second Chain Wheel 23 to rotate along the same direction via the roller chain 38 link., i.e. Anti-clockwise, which also drives the Front Drive Shaft 6 in the Anti-Clockwise direction, as it is journalled by a Key 15, the driving rotational direction of the Front Wheel 20. This drive is to be called the Second Alternative Drive.

(IV) TYPE II (B) Second Function: A drive means to be freewheeling during the FIG. 6B First Direction Drive of the Bi-rotational Handle Bar 1, say, clockwise.

Conversely, when the Bi-rotational Handle Bar 1 is being rotated in the First Direction Clockwise FIG. 6B, freewheeling of the Big Chain Wheel 22 takes place, while the Second Chain Wheel 23 continues to rotate in the Anti-Clockwise direction, the same rotational direction with the driven Front Drive Shaft 6, which is being driven by the adjacent Type I Gear Pair. The

First Alternating Drive.

The above Two(2) Way Drives System means which produces a continuous uni-rotational drive may also be known as the Double Power Drive Bi-rotational Handle Bar System. (V) A velocipede comprise of a drive means with speed adjustment control device, to transmit the converted uni-rotational drive, transmitted from the Bi-rotational Handle Bar 1 at the Front Drive Shaft 6, of claim 1(b) to the Front Wheel 20, in an efficient manner via the following Device namely:-

The Variable Speed Chain Wheel Set Assembly

The Variable Speed Chain Wheel Set Assembly FIG. 10 with Derailleur Device 26 essentially comprised of the following components :- ( i) The Driving Chain Wheel, a Big Chain Wheel 8, is operatively joumalled to the Front Drive Shaft 6, by a key 15.

The main function of the Big Chain Wheel 8 is to transmit rotational torque from the driven Front Drive Shaft 6, to the Front Wheel 20 via the Multispeed Hub Gear 19, which is operatively joumalled to the hub axle 51.

( ii) The Driven Multispeed hub gear 19 which is operatively joumalled to the Front Wheel hub axle 51, for its gear selection requirements. (iii) The Derailleur device 26, a speed adjustment device being controlled according to the requirements of the cyclist via shifting the Gear Lever 42.

(iv) The Roller Chain 41, which links up all the above components, functions as a linkage for power transmission from the Big Chain Wheel 8, to the Multispeed Hub Gear 19. (VI) A Velocipede according to claim 1(b) is associated with a Bi-rotational Handle Bar System means , functioning as follows:-

Functions (VI)(a) - A drive means to transmit the Two Way Bi-rotational drives into a continuous uni-rotational drive to power the Front Wheel

Functions (VI)(b) - A steering means for control and maneuvering of the

Front Wheel.

Functions(VI)(c) - A means for assembly of the standard associated devices for control of the Brake Levers 54 and the Gear Lever 42 that controls the Derailleur Devices 26 are installed near the Handle Grips 53 for easy access by the cyclist.

(VII) A Claim according to Clause (VI)(a) comprising of a pair of Long Lever Handle Bars 3, which are co-extended from the Bi-rotational Handle Bar 1 at both its tapered square shank ends, being rigidly tightened by Lock Nuts 18. Reciprocal movements (both clockwise or anti-clockwise)

FIG. 11 A, 11B, of the Long Lever Handle Bars causes the Two(2) types of First Drive Gears, FIG. 4, to rotate, or freewheeling, and simultaneously causes their corresponding Second Gears to rotate, and transmits a continuous uni-rotational drives to its Front Drive Shaft 6, (via the Gear Conversion system) and also to the Variable Speed Chain Wheel Set

Assembly, driving the Front Wheel 20, into its forward direction, during both its reciprocating movements i.e. clockwise, or anti-clockwise rotation. The Two preferred configurations of the Long Lever Handle Bars 3 are :-

( i) TYPE I - Long Lever Handle Bar FIG. 1, 8

(ii) TYPE II - Long Lever Handle Bar FIG. 9 (VIII) A velocipede having a front wheel drive in addition to a rear wheel drive comprising of :-

(a) A support framework means to house the Front Drive Shaft 6, the second corresponding driven gear pairs 12 & 23 and the Variable Speed Chain Wheel Set Assembly FIG. 10.

(IX) The support framework means of claim (VIII) comprises of;

( i) A pair of vertical Support Bar 5, connected to both sides of the Front

Fork 17, being, threaded at its upper ends and having two Lock Nuts 52 each, to provide the clamp means to rigidly support the

( ii) Two pieces of Horizontal Support Plates, 7 A, 7B.

(iii) The Horizontal Support Plates 7A, 7B provides the means for support to the pair of PiUow Blocks 25.

(iv) The pair of Pillow Blocks 25, provides the support means to journall the Front Drive Shaft 6 at both ends, for its operative rational function.

( v) An inclined Bracer Bar, 9 to provide the means to tie up this

Support Framework into a rigid support base,

(vi) A Tie Bar 4, to provide the means to tie up the Horizontal Support

Plates 7A, 7B for its rigid Framework.

( X) A velocipede comprising of a drive means to promote better health benefits, as it embraces six(6) forms of additional physical exercise movements for the cyciist, worki g in unison with the standard pedaling exercise transmitted from the legs, namely:-

(a) During the upwards motion — it involves a pull and push motions of the arms power, wherein power is transmitted to the Bi-rotational Handle Bar 1 FIG. 11 A, 12C, 12B, 12A.

(b) During the downwards motion FIG. 11B, 12 A, 12B, 12C — it involves a pull and push motions of the arms power, wherein power is transmitted to the Bi-rotational Handle Bar 1.

(c) During the pulling motions of the Long Belt Drive Assembly 36.

It involves the transmission of energy from the upper body movements of reclining backwards and forward, FIG. 12A, 12B, 12C. ( XI) A velocipede comprising of an embodiment of an alternative preferred variation of the drive means of claim 1(b), a TYPE III Bi-rotational Handle Bar System, FIG 14A, 14B.

( XII) A claim according to claim (XI), a simplified version of the original drive means of claim 1(b) comprising of:- (a) A driven Chain Wheel Set 47, rotatably mounted on the Bi-rotational Handle Bar 1, is in direct driving relationship with the Front Wheel 20, via its Roller Chain 48, link to its Multispeed Sprocket Wheel 19.

(b) The Bi-rotational Handle Bar 1, is rotatably mounted on a pair of Roller Bearings 2, FIG. 7A, 7B.

(c) A Derailleur Device 26, is operatively journalled adjacent to the Multispeed Sprocket Wheel 19, for its speed adjustment

requirements via its Gear Lever 42, control.

(XIII) A claim according to claim (XI) provides the drive means to transmit only a single rotational torque during the upwards motion of the Handle Bar 1, FIG. 11B, wherein it is a single power drive Bi-rotational Handle Bar System, while retaining all the associated motions of the original embodiment FIG. 11 A, 11B.

The main advantages in this alternative embodiment drive system is as follows.- ( i) It uses minimum components.

( ii) Lowest cost.

(iii) It is lighter in weight as compared to the original model of claim 1(b).

(XrV) A velocipede according to claim 1(b), FIG. 1, 2, is associated with means for stability and comfort for the cyclist via installation of the Side Wheels 39, with its Brackets 33.