US645201A - Cyclometer. - Google Patents

Description

No 645,201. Patented Mar. 13, I900. L. J. BURDICK.

CYCLUMETER.

(Application filed Mar. 30, 1898.)

2 Sheets-sheaf 1-.

(No Model.)

No. 645,20l. Patented Ma l3, I900.

L. J. BURDICK.

CYCLOMETER.

(Application filed Mar. 30, 1898.) (J10 Model.) 2 Sheets$hefif 2.

nmmmf Wit esses: lgvegton,

UNITED STATES PATENT other.

LE6 J. BURDIOK, OF STURGIS, MICHIGAN.

oYoLoMETER.

SPECIFICATION formingpart of Letters Patent No. eaaaoi, dated March 13, 1900'.

Application filed March 30, 1898. Serial No. 675,823. (No model.)

To all whom it may concern:

Be it known that I,LEO J. BURDICK,a citizen of the United States, residing at the city of Sturgis, in the county of St. Joseph and State of Michigan, have invented certain new and useful Improvements in Oyclometers or Register Mechanism, of which the following is a specification.

This invention relates to improvements in cyclometers and register mechanisms in general. It relates particularly to such improvements on the structure shown in myformer United States patents issued August 24, 1897, Nos. 588,727 and 588,726, and to the structure illustrated in my application for a patent for cyclometers and register mechanisms filed Au gust 24, 1897, Serial No. 649,408.

The objects of this invention are, first, to provide an improved simple and efficient regist-er mechanism; second, to provide an improved transfer mechanism capable of having its parts actuated by cams formed in the shaft; third, to provide an improved setback means for moving the number-wheels to the zero-point after an amount has been registered, and, fourth, to provide an improved bracket for attaching a cyclometer to a bicycle which is very compact and easily adjusted.

Further objects will definitely appear in the detailed description to follow.

I accomplish these objects of my invention by the devices and means described in this specification.

The invention is definitely pointed outin the claims. The structure is illustrated in the accompanying drawings, forming a part of this specification, in which Figure 1 is a longitudinal sectional View through one of my improved cyclometers, taken on line 1 1 of Figs. 2 and 3. Fig. 2 is an end elevation of the structure from the right hand of Fig. 1, the cap and actuatingwheel being removed. Fig. 3 is a transverse sectional elevation taken on a line corresponding to line 3 3 of Fig. 1, looking in the direction of the little arrows at the ends of the section-lines. Fig. 4 is an enlarged transverse detail sectional elevation taken on a line corresponding to line 4 4 of Fig. 3, showing the details of construction of the actuating-wheel and shaft from the back. Fig. 5 is an enlarged detail sectional view taken on line 5 5 of Fig. 3.

Fig. 6 is a detail side elevation of the main shaft removed. Fig. 7 is an enlarged detail perspective View of one of the main numberwheels. Fig. 8 is an elevation of one of the number-wheels, taken looking from the right in Fig. 1. Fig. 9 is a detailed perspective view of the internal gear-Wheel K, through which the initial mechanism is actuated. Fig. 10 is an enlarged detail perspective view of the spring E E with its wheel E, carried by the gear-wheel E. Fig. 11 is an enlarged detail View of the inside of the thumb nut or button for actuating the setback-gear. Fig. 12 is a side elevation of the same, showing the inside and means for retaining the same in proper actuating position. Fig. 13 is an en'- larged detail elevation of a bracket connected to the cyclometer. Fig. 14 is an enlarged detail elevation taken on the section-line appearing in Fig. 13. Fig. 15 is an enlarged detail perspective view of one of the wedge-shaped screw-threaded nuts used with the attaching device.

In the drawings similar letters of reference refer to similar parts throughout the several Views.

Referring to the lettered parts of the drawings, A represents the outside, and A A" are the ends, of the case and afford means for retaining the shell in place.

B is the main shaft, to which the ends are secured by suitable screws 2', the shaft serving as the main support for all parts.

I have shown the structure with reference for use as a cyclometer having the star-wheel D, with a ratchet connection P, notched ring F", and like parts, with hunting-tooth gear, having a projecting tooth F, all the same as in my former patent, No. 588,727, and in my patent application, Serial No. 649,408, for cyclometers and register mechanism above referred to. As there is nothing new in this connection it will not be referred to further.

On the spring E is a projecting tooth E. The spring E is secured to the wheel E, thereby giving an elastic connection for the tooth; but any suitable means might be employed, so that its elasticity is preserved. The initial number-wheelis provided with the teeth 0, so that it can transfer from the initial transfer mechanism exactly the same as that shown in my patent application above referred to.

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The remaining number-wheels O are each provided with a projecting hub Non the shaft, having notches formed in the edges thereof to act the same as internal gears, with an open space in the same formed by omitting one tooth. On the face of the web of each wheel gear-teeth O are punched out to serve for actuating the same by the transfer mechanism. On the outward face of each wheel is the wing G, secured by a suitable rivet e. Projecting out from the end of the spring is the tooth G to engage the teeth 0 of the next higher wheel to actuate it at proper intervals. A pin G projects radially inward intoa cam-groove of the shaft provided for each, hereinafter to be described. In this construction I will state that the teeth 0 on each wheel are ten in number, making the same operate by ten consecutive steps. The cams in the shaft are made zigzag, so that the pins G fitting into the same serve as stops and retain the wheel in its correct position at each successive step. At one point K of the cams the teeth G, through the pins G, are held outwardly, thus holding the teeth G out into engagement with the teeth 0 of the next higher numberwheels, causing each of them to move one step on each revolution of the next adjacent lower number-wheel. There is a slight notch at the point K, leaving the nu mber-wheel exactly in the correct position during its transition.

Supported in suitable slots or kerfs with the main shaft G are setback wheels L. These are carried on a suitable shaft I, supported on the main shaft and are guided thereby. These setback-wheels are provided with external gear-teeth adapted to engage in the teeth on hubs N. Each of the number-wheels can be actuated by rotating its setback-gear L. The shaft I extends through all of these gears and is held normally inward by the opening I at the inner side of the shaft. Adapted to engage each numberwheel is a pin I, which serves to engage the setback-wheels L to rotate them in one direction. The spring on the shaft causes the pin I on the shaft to act as a pawl to rotate the same.

The shaft I is rotated by a button J, just on the outside of the casing A. This button is provided with the inwardly-projectingportion J, having notches therein to correspond to the teeth on the setback-gears to rotate the same to their initial position to engage the gears on the hubs of the number-wheels to mesh with them properly.

To set the number-wheels in their initial position, the button J is rotated toward the direction in which the number-wheels operate, and the pins 1 engage their respective setback-wheels, owing to the fact that the spring I forces the same against them and rotates the same, and the button should be rotated until zero shows on each number-wheel. Then the same is set to the initial position.

When the number-wheels have been set back to the zero-point, the button is released and the pin J engages in the notches of the wheel J" and returns it in correct position.

I prefer to attach my improved register mechanism when used as a cyclometer to a bicycle by the bracket clearly appearing in Figs. 13 and 14. To the under side of the cyclometer lugsRaresecured. (See Figs.3and 13.) These are dovetailed in form to receive the bracket between them. The bracket has a vertical portion T for attachment to the forward axle and a laterally-projecting portion T, bent into a square tubular form open at the top and having its edges T T slightly outturned to engage the dovetail portions R R on the cyclometer. A threaded nut S and a tapering square washer S are inserted in the opposite ends of the tubular portion and are adapted to turn together by the threaded bolt U through the same. From this it will be observed that by screwing the bolt the nuts S S will be drawn together and the cyclometer supported, and the cyclometer can be adjusted on the bracket into proper relation with the bicycle-wheel. When the screw or bolt is again tightened, it will draw the wedge shaped'nut and washer together, expanding the same, and positively engage the dovetail lugs R R on the barrel of the cyclometer. In

this connection, I desire to state that the,

structure can be considerably varied in its details Without departing from my invention.

If the nuts are tapering and enter a properly-constructed tube they need not necessarily be square, but of any other form that will wedge into and expand the tube into a positive engagement. 'lhebracketitsel'fneed not be made up of sheet metal, but it is much preferred, though it can be cast into the preferred form to accomplish the desired result.

Having thus describedmy improved cyclometer, I desire to state that it is capable of many variations. The transverse zigzag cam around the shaft might be formed by separate pieces placed thereon, though byso doing all of the immense advantages secured (having the same object serve as shaft and trans fer mechanism) would be lost. I also desire to state in this connection that other means might be employed foractuating all of the setback-gears at once, and that they all might be released and operate independently and secure the same results I have here attained, and that this setback gear might be employed with cyclometers shown in my former patents, and, on the other hand, the transfer mechanism which I have here shown might be utilized in connection with the setback mechanism shown in my former patent application. WVhile I have shown this cyclometer,

in its most approved form, I am aware that many changes might be made.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-

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1. In a cyclometer or register mechanism, the combination of a main central shaft of comparatively-large diameter having transverse zigzag cam-grooves K thereon and having transverse kerfs; a casing surrounding the same having heads secured to said shaft; number-wheels having projecting hubs with gear-teeth one of which is cut away, supported on said shaft, and having gear-teeth within the outer rim on one side; a spring secured to the Web of each of said wheels outside the hub having a laterally-projecting tooth and an inwardly-projecting pin extending through the hub to engage within the zigzag cams; setback-wheels supported in the kerfs and adapted to engage the teeth formed in the hubs of the number-wheels; a shaft with ratchet connection extending through said setbackwheels with proper means of locating the same to rotate the setback-wheels to set the number-wheels at zero, for the purpose specified. I

2. In a cyclometer or register mechanism, the combination of a main shaft having transverse zigzag cams formed therein; numberwheels having teeth within their outer rims and a spring secured to the web of each of said number-wheels having a laterally-projecting tooth to engage the teeth of the next higher number-wheel; and an inwardly-projecting pin extending through a slot in the hub to engage in the zigzag cams, coacting together for the purpose specified.

3. In a cyclometer or register mechanism, the combination of a suitable shaft; transverse cam-grooves formed within; numberwheels; a movable tooth carried by each number-wheel to engage the next higher numberwheels at intervals and a pin extending from said movable teeth into the transverse cams to be actuated thereby on the rotation of the number-wheels, for the purpose specified.

4. The combination of a shaft, zigzag transverse cams; movable teeth and connections to engage the zigzag cams, coacting together for the purpose specified.

5. In a cyclometer the combination of a central shaft having kerfs therein; independent setback-wheels within said kerfs; suitable means of engaging the setback-wheels to rotate the same and number-wheels having in ternal gears with an open space to be engaged by said setback-gears to enable the turning ofthe cyclometer to zero, for the purpose specified.

6. Ina bracket for supporting cyclometers, the combination of a projecting portion for adjustment to the bicycle, and a tubular portion opened at the top with the edges slightly outturned; tapering nuts for insertion into the square tubular portion and a screw to draw the same together to expand the outturned portion into engagement with suitable lugs on the cyclometer.

7. The combination, in a bracket for supporting a cyclometer of a tubular portion opened at one side with outwardly-turned engaging part-s; tapering nuts forinsertion into the tubular portion and a screw or bolt for drawing the same together for expanding the tube into engagement with a suitable side of the cyclometer for the purpose specified.

In witness whereof I have hereunto set my hand and seal in the presence of two Witnesses.

LEO J. BURDICK.

Witnesses:

FRANK L. BURDIoK, CARRIE E. TENNENT.

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