US1203913A - Mechanical movement. - Google Patents

Description

F. SCHAFER.

MECHANICAL MOVEMENT. APPLICATION FILED MAY 4. 1914.

Pafented Nov.

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FRANK sonar-anon BARBER'I'ON, omo, AssIe'non 'ro 'rnnDiAMoNn MATCH COMPANY, or CHICAGO, ILLINOIS, A CORPORATION or ILLINOIS.

MECHANICAL MOVEMENT.

'ments, of which the following a specification.

This invention relates to an improvement in mechanical movements, having reference especially to means for converting continuous rotary into intermittent rotary motion and for required for severing the cardboard as fed by-the feed-rollers of match box-shuck makpets and the driven element is provided withing machines, and for other purposes.

The object of the invention is to provide a mechanical movement of the character mentioned which shall be simple and durable in construction and uniform and positive inoperation, and which shall be free from abrupt jarring blows during the starting moments.

My invention comprises rotary drlvmg and driven elements, whereof the driving element is provided with a plurality of tapa plurality of radial channels having arouated entrance-portions which are coordinated with the tappets, as will be hereinafter described and claimed.

In the drawings-Figure 1 is a side elevation of a mechanical movement embodying my invention, the same being represented as applied to-feed-rollers, and the elements being illustrated in the relative positions which they occupy at the instant of locking the driven element. Fig. 2 is a side elevation of the elements, showin the. driving element slightly advanced W ile the driven element remains locked. Fig. 3 is a similar view showing'the action of a tappet stud upon a channel of the driven element to impel the latter. Fig. 4 is a plan of Fig. 2. l0 designates the continuously rotating driving element and 11 theintermittently rotatable driven element of my improved movement. In the present instance the two elements are in the form of spur wheels, the driving element bein in mesh with a driving pinion 12 and the griven element being in mesh with one of the pinions 13 of a palr of feed-rollers 14. The shafts of the two spur Wheels are designated 15 and 16, respectively.

Specification of Letters Patent.

Application filed Ma; 4, 1914. Serial No. 886,109.

- cent the channeled side ositively locking the driven ele ment during the intervals of rest, such as 1s Patented Nov. 7, 1916..

rounded as indicated at 18.

.The wheel 10 is mounted laterally of the wheel 11, and is prov ded on its inner 'face with a plurality of pro eeting tappets 19, comprising studs or rollers-1n the present instance three. The tappets areequally spaced apart at points equidistant from the center of the adjawheel 10, the spaced relation of the tappets to each other and to the radial channels of the wheel 11 being, such .that the tappets enter the said channels in successive order, move along the same toward the center of the wheel and then recede therefrom, and that as the approaches the mouth of the channel with which it is engaged the succeeding tappet enters the mouth of the next following channel, and so on.-

The curvature of the outer ends of the channels is such thatwhen the elements are in the relative positions represented in Figs. 1 and 2 the inner walls of the mouths of the two lower channels are concentric to the wheel 10, that is, such walls comprise corresponding arcs described from the'center of the Wheel. Hence when both tappets register with and move on the proximate arouated portions of the channels no motion is transmitted from the continuously rotating driving to the driven element, but on the contrary the latteris temporarily locked against rotation; yet the instant the rearward tappet escapes the mouth of the proximate channel the leading tappet contacts with and rides upon the opposing radial Wall of its channel, progressively entering the latter, as seen in Fig. 3, and then receding therefrom. The three tappets of the driving element during its continuous rotation thus act in successive order upon the walls of the radial channels of the driven element and thereby intermittently rotate the latter, and positively lock it during the intervals of rest. Owing tothe relation of the tappets of the driving element to the channels of the active tappet in a receding motion driven element whereby two tappets co-act concurrently with the arcuated portions of two channels during each interval of rest, not only is an efiective lockin of the driven element insured but the a ru t starting blows inherent in an ordinary eneva stop motion are avoided.

I claim Mechanism of the character described comprising two rotatable members mounted in lateral relation to each other, one of said members constituting a driven element having a series of corresponding radial channels with flaring arcuate portions at their outer ends, and theother membenconstituting a driving element having a serles of tap- Cplots equally spaced apart at points equl istafit from its center and adapted to coact successively with the walls of the said channels and impart to the driven element an intermittent rotary motion, two of the said ta pets concurrently contacting with and r1 mg upon the adjacent arcuate portions of the two channels at the end of eachimpulsepf the driven element,-the walls of sald ad acent arcuate portions com rising corresponding arcs described from t e center of the driving element with a radius equal to the radial distance of the inner face of the tappets from said center.

Signed at Barberton in the county of Sum mit and State of Ohio, this 29th day of April, A. D. 1914.

FRANK SCHAFER.

Witnesses:

V, A. JoHNs'roN,

E. A. JACOBS.

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