US1548565A - Foot-brake throttle control - Google Patents

Description

Aug. 4, 1925. 1,548,565

- M. A. TAYLOR FOOT BRAKE THROTTLE CONTROL Filed July 14. 1924 v INVENTOR MELVIN A. TAYLOR Patented Aug. 4, 1925.

UNITED STATES MELVIN A. TAYLOR, OF OAKLAND, CALTFORNIA.

I FOOT-BRAKE THROTTLE CONTROL.

Application filed uly-14, 19241 Serial No. 725,820.

To all whom it mag concern.

Be it known that I, MELVIN-A. TAYLOR,

'nism for automobiles, which will render the vehicle easier to control than heretofore, and will insure smoothness of operation of the motor. p i V In carrying out this object the throttle valve is controlled through the medium of springs in opposition and under tension, so

- as to prevent vibration and minor-shocks from being transmitted to the throttle valve. This insuresfsmooth' operation of the motor. The mechanism also includes a connection between the brake lever and the throttle valve. This'connection is designed of the vehicle.

to close the throttle uponmo-vement of the brake. lever andprior to setting-the brakes Bymy invention several advantageous results are obtained, namely, reducing. the

. number" of operations to' control the ma- 7 chine, evenness of speed obtained-by pre "msm;

vehicle. This motor is shown as equipped] ample in which:

venting vibration of the car from being transmittedto the throttle lever, and ease of operationof the gear shifting mecha- One form of which the invention may assume is exemplified in the following description "and illustrated by way of exthe accompanying drawingin The'figure is a schematic view' of a por-'. tion of. the mechanism of an automobile,

mechanism arranged thereon Referring more particularly to the accompanying drawings-,TlO indicates an-intern'al combustion motor of an. automotive with a carbureter 11,,the throat ofwhich is .connected with the intake manifold of the motor and controlled by a, butterfly valve secured on a pivot-shaft 12. At the exterior of the carburet'er this pivot shaft disclosing ,my improved throttle controlling be operated to control the position of the throttle valve and thereby regulate the amount of fuel admitted to the intake mania fold'of the motor. The lower end of the throttle lever 14 is connected with the rear end of a push rod 15. of this rod ,is connected to one arm of a bell crank lever 16. The other arm of this .AiEN W C is'fitted with a throttle lever 14 which may The forward end bell crank lever 16 is operatively connected with the usual .gas'control lever on the steering wheel of the vehicle through the usual mechanism. As this mechanism and gas control lever are standard on practically all automobiles. for ,the sake of simplicity they: are not illustrated.

The push rod 15 is slid'able in the end of the throttle lever 14 as this connection serves only as a support for the end of the push rod 15. p

I have provided a mechanism for preventing all vibration and minor road shocks from being transmitted to the throttle lever Q14. This mechanism includes a pair of tension springs 19 and 20,- the'adjacent ends ofwhich are connected with a collar 21 which is fixed on a"foot accelerator'rod 17. The rod 17 is connected to the lower end of the throttle lever 14 and extends up.

through the foot boards of the vehicle so that it may be-depressed to open the throttle valve and feed the desired amount of,

gas to the intake {manifold of the motor. The spring v19 extends from the collar 21 to a slip collar .22 mountedon the push rod 15. This. collar 22 is adapted to bear against ,a set collar 23 fixed on therod 15. The collar-'23 as shown in the drawings is positioned on the rod'15'to maintain the spring 19under1tension. By adjusting the position of the collar '23 the-tension of the spring 19 may be regulated. v :The spring20 extends from the collar 21 to a fixedpoint on the vehicle frame. This spring ;is also maintained under tension greater than that ofthe' spring 19 so that it. Will constantly tend to maintain the throttle closed, except when the gas lever on the.

steering .wheel of the vehicle is moved to place the ,throttle valve in open position.

It is seen that when this .is done both the springs 19 and 20 will be placed under tension and act as a resilient connection 'between the push rod 15 and the throttle lever,-so as to absorb -all vibration of the car and minor road shocks, and prevent them from being transmitted to the throttle lever 14. .This is advantageous as an even speed will be obtained, due to the fact that an even amount of gas will be fed to the intake manifold from the carbureter.

For closing thethrottle I have provided a connection between the upper end of the throttle lever 14 and the foot brake pedal of the automobile. This connection comprises a sleeve 25 which is pivoted at one 4 end to the upper end of the throttle lever.

'The end of a push rod 26 is telescoped within the sleeve 25. The other end of this rod is pivotally attached to the foot brake pedal.

A set collar 27 is fixed on the pushrod 26- and a compression spring 28 is interposed between this set collar and the end of the sleeve 25. This spring is of suliicient tension to impart the first movement of the foot pedal to the throttle lever 14 to close the throttle valve. When the throttle valve hasing wheel and the foot brake. Such operation would be as follows:

' wishes to arrest the motion of the car, he

' thereon will move the throttle lever 14 ;to-

'For the purpose of illustration-it will be. assumed that the driver of the car wishes "to travel at an even speed of twenty miles an hour: After starting the'car at a slower speed the gas control. lever on the steering Wheel is moved to feed sufficient gas to-the .motor so that the latter will drive the car at the given speed. When driving at this' 1 speed or any other speed the springs 19- and 20 will serve to absorb any shocks or vibration and prevent them from being transmitted to the throttle lever 14. By this means an even flowof gas will be delivered from thecarbureter to the intake manifold of the motor and will cause smooth running. of the latter and insure even speed of the vehicle.

. Should it be desired to go faster than'the given speed without changing the position of the handcontrol lever, thefoot acceleratorv rod may be depressed to further o en the throttle valve. When the foot acce erator is released the car will again assume the given speed of twenty miles anhour, or

the speed for which the-hand control leveris set; y I

- If the driver is desirous of turning corner, shift gears, or for any other reason merely depresses thefoot brake pedal. This operation through the rod 26 and the. spring close the throttle valve. If he desires to merely depresses the clutch and stop the car he further depresses -the foot brake pedal to set the brakes.

After stopping. it the car 1s again to be set into 1n0tion,the proper gear reduction -is selected-and the clutch and brake pedal are released simultaneously. The car will then gradually accelerate to the speed desired, which it will maintain unless the foot accelerator is operated to accelerate 1t momentarlly for maneuvering the car, or for any other purpose.

Among the advantages obtained by my improved throttle control are ease of speed control, saving in gasoline by preventing vibration and minor road shocks from being imparted to the throttle valve, and even speed when the car 1s-1n motion. Also it control of a car; for instance,-when stopping the driver does not have to shifthis vfoot fromthe accelerator pedal tothe foot brake in close proximity to the brakepedal, and when desiring to bring the car to a stop he brake pedal simultaneously.

It will be understood that various other arrangements of mechanism may be substituted for that which I have shown and de-* scribed, without departing from the spirit of the invention as set forth in theappended claims.

Having thus described my invention, what I claim and desire to secure by Letters Pat entis.: v 1. In combination with a brake pedal lever minimizes the operations necessary to the pedal. It is only necessary to keep his foot and the" throttle valve of an automobile, a. 7

control lever for operatin said throttle valve, a pushrod pivotally connected at one end to the brake lever. a sleeve pivotally' connected atone end to the,control' lever,.and

slidablyreceiving the other end of the push rod,- an abutment on the pusl1;rod..and a compression springjinterposedbetween said abutment andthe sleeve. whereby initial movement of the brake lever will close the throttle valve'thr'ough the push rod spring and sleeve,- and further movement of the brake lever will set the brakes of the vehicle without afiectingthe' throttle valve.

2. A throttle control mechanism for an automobile having a throttle valve, a throttle lever for' operating said throttle valve, an ax ally movable member for operating said throttle lever, and a pair of springs under tension connected at adjacent ends to said axially movable member and set in opposition to each other to absorb vibration and shockstransmitted to said axially movable member. 1

A throttle control mec'hanism for automobiles including alever for controlling the throttle valve, a movable member connected with said control lever for operating the throttle valve from a remote point, said member moving in substantially 'an axial path and adapted to reciprocate to open and close the throttle valve, a pair of springs under tension connected at their adjacent ends tov said movable member, and being disposed substantially parallel thereto and connected at their other ends to substantially fixed points in opposition to each other,

whereby they will yieldingly resist mo.ve-

l ment of the movable member in either direction, and will act to absorb vibration and minor shocks imparted to said movable member and to the control lever.

4. A throttle control mechanism for automobiles, including a fulcrum lever for controlling the throttle valve of -the automobile,

a push rod slidably connected at one end to one end of said control lever, the other end of said push rod being connected with any inclined gas control lever of the automobile, a .foot accelerator rod slidably connected at its lower end to said control lever at a point adjacent the push rod, a pair of tenslon springs under tension attached at their ad jacent ends to said foot accelerator rod and placed in opposition to each other, one of said springs being connected with said push .rod and the other with a stationary point on the automobile, whereby movement of said push rod will be transmitted through the medium of said springs and said accelerator rod to said-control levcr,-the movementof said foot accelerator rod being .resisted by said springs whereby vibration and minor shocks transmitted to said ac celerator rod will be absorbed by said springs. 5. A throttle control mechanism for automobiles, including a fulcrum lever for controlling the throttle valve .of the automobile,

a push rod slidably connected at one end to oneend of said control lever, the other end of said push rod being connected vwith an I inclined gas control lever of the automobile, a foot accelerator rod slidably connected at its lower end to said control lever at a point adjacent the push rod. a pair of tension springs under tension attachedat their adjacentends to said foot accelerator rod and springs being connected with said push rod and the other with a stationary point on the rod will be transmitted through the medium of said springs and said accelerator rod to Said control lever, foot accplerator rod-being resisted said springs, whereby vibration and minor shocks transmitted to said accelerator rod will be absorbed by said spring and a connection between the other end of the control lever, and the brake lever of the automobile, whereby initial movement of said brake lever in one direction will close said throttle valve.

6? A. throttle control mechanism for automobiles, including a fulcrum lever for controlling the throttle valve a push rod slidably connected at one end to one end of said control lever, the other end of said push rod being connected with an inclined gas control lever of the automobile, a foot accelerator rod slidably connected at its lower end to said control-lever at a point adjacent the push rod, a pair of tension springs under tension attached at their adjacent ends to said foot accelerator rod and placed in opposition to each other, one of said springs being connected. with said push rod and the other with a stationary point on the automobile whereby movement of said puslr rod will be transmitted through the medlum of sald springs and said accelerator rod to said control lever. the movement of said foot accelerator rod being resisted by said springs whereby vibration and minor shocks transmitted to said accelerator rod will be absorbed by said springs, and a connection between the other end of the control lever and the brake lever "of the automobile, whereby the initial movement of said brake lever in one direction will close said throttle valve, said connection comprising a push rod pivotally attached at one end to said brake lever and slidably connected with the control lever at the other end, an abutment on the push rod, and a compression spring interposed between said control lever and said abutment.

MELVIN VA. TAYLOR.

the movement of said.

automobile, whereby movement ofs'aid push of-th'e automobile,

Images