US1953539A - Gas throttle - Google Patents

Description

April 3, 93 c. R. NEAL 1,953,539

GAS THROTTLE Filed April 6, 1932 FEW? //\/Z/E/\/7"UR c. R. NEAL.

TTURNE Patented Apr. 3, 1934 UNITED STATES PATENT OFFICE GAS THROTTLE Cecil B. Neal, Portland, Oreg.

Application April 6, 1932, Serial No. 603,503

1 Claim.

This invention relates generally to throttle controls for internal combustion engines with special reference to the type employed on land traveling vehicles.

The main object of this invention is to provide an improved form of construction including the working principles involved in my United States Patent No. 1,819,111.

This, and other objects, will become more apparent from the specification following as illustrated in the accompanying drawing, in which:

Fig. 1 is a plan showing the control and associated parts.

Fig. 2 is a side elevation of the form of the device shown in Fig. 1.

Fig. 3 is a section taken along the line 3-3 in Fig. 2.

Fig. 4 is a section taken along the line l4i in Fig. 1.

Fig. 5 is a section taken along the line 55 in Fig. 1.

Fig. 6 is a side elevation of an alternative form of the device.

Fig. 7 is a section taken along the line 7-7 in Fig. 6.

Similar numbers of reference refer to similar parts throughout the several views.

Referring in detail to the drawing, there is shown in Figs. 1 and 2 a tubular gear shift lever 10 whose uppermost end 11 has a somewhat reduced internal diameter which provides a bearing for an internal rock shaft 12 on whose upper end is secured a handle 13 similar to those now employed on gear shift levers. The lower end 14 of the gear shift lever 10 is curved and one side thereof forms a bearing for the lower end 15 of the rock shaft 12, to which is hingedly attached the square tubular end 16 of a telescopic shaft section whose remaining portion is a square rod 1'7 which fits slidably within the tubular portion 16. The rod 17 has its outermost end hingedly attached to the short shaft 18, which journals in the floor board 19.

The lever 20 is secured on the shaft 18 on the under side of the floor board 19 and is joined by a connecting rod 21 to a bell crank lever 22 which is mounted on a standard 23. The opposite side of the bell crank lever 22 is provided with an offset push rod 24 whose end 25 passes slidably through the clamp 26, which is secured to the usual foot operated throttle control rod 27. Appropriate adjustments are of course provided in order to enable the device to be adapted to any type of motor car. For example, it is desirable to provide the bell crank lever 22 with a plurality of holes 28 along its several arms in order to vary the relative movements between the handle 13 and the push rod 24.

In the operation of this device a rotary movement applied to the handle 13 will produce a slid- 0 ing movement of the push rod 24 and as soon as the off-set 29 of the rod 24 comes in contact with the clamp 26 it begins to operate the throttle control rod 27. It will be understood, of course, that the end 25 of the rod 24 slides freely within the clamp 26.

In the form of the device shown in Figs. 6 and 7 the shaft 12 is not placed within the gear shift lever 30 but journals in the bearings 31, which are in the form of brackets 32 which are secured around the upper and lower ends of the lever 30 by means of the countersunk set screws 33. The remaining portions of this form of the device are identical with those previously described.

The operation of both forms of this device are identical with that in my previous patent before referred to, and consists, briefly, in controlling the throttle manually by means of the same hand which operates the gear shift lever. In other words, if a car is standing on a hill and is being held by the foot brake it is obvious that the operator cannot operate the foot throttle since his right foot is already occupied in holding the foot brake.

With my device his right hand, which is occupied in placing the gear shift lever in an intermediate or low gear position, can simultaneously speed up the engine in order that it can take care of the additional load about to be imposed thereon as soon as the clutch is brought into engagement.

I claim:

The combination of a gear shift lever of the type having a ball and socket support above it which may be moved in a plurality of planes, a rigid rock shaft mounted within said lever and having the gear shift lever handle secured to its upper end, a rotatable shaft connection through the footboard of an automobile including operating connections to the gas throttle, and a double universal connection between said rotatable shaft and said rock shaft including an extensible connection between the ends of said double universal connection.

CECIL R. NEAL.

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