US296529A - cleyek - Google Patents

Description

(Model.) l 2 sheets-sheen 1.

P. J. GLBVBR.- .SEWING MACHINE.

N. 296,529. Patented Apr. 8, 1884.

WITNESSES y N. PETERS. Mevmhgmpher. wrmmgmn. nc.

ilnrrn STATES PETER J. CLEVER, OF BRUNSWICK, MISSOURI.

SEWING-MACHINE.

SPECIFICATION forming part of Letters Patent No. 296,529, dated lApril 8, 1884.

(Model.)

To all whom it may concern:

Be it known that I, PETER J. CLEVER, a citizen of the United States, residing at Brunswick, in the county of Chariton and State of Missouri, have invented certain newr and useful Improvements in Sewing-Machines; and I do .deciare the following to be a full, clear, and enact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being-had to the accompanying drawings, and to the letters and figures of reference marked thereon, which form a part of this specication.

This invention relates to sewing-machines;v

and it consists in certain improvements in the construction and operation of the same.

In the drawings, Figure l is a side elevation of so much of a sewing-machine as is necessary to illustrate my invention, parts being` extends a standard, B, carrying the overhanging arm C, in the end of which the needle-bar D reciprocates vertically.

From the table A, at the sides of standard B, depend brackets E E, having bearings for a transverse crank-shaft, F, to the crank of which is connected an upright driving-arm, Gr, extending through 4the standard B, and pivoted to one arm, h, of a bell-crank lever, H, which is :fulcrumed at the vertex of the angle formed by the standard B and arm C. By this arrangement, as the shaft F revolves the bell-crank lever H is caused to rock on its fulcruni, and reciprocate a lever-rod, I, extending horizontally in arm C and pivotally connected to the arm hof the lever H. Leven bar l reciprocates upon a depending pivoted dink, J, and is connected to the front end of a longitudinal arm, K, by means of a pivoted link, L, and thus this end of arm K is caused to move vertically and operate the needle-bar D, with which it is connected by a universal joint, M, Which is preferably of the common ball-andsocket form, as shown. This arm K has a hinged or pivoted bearing, 7c, at its rear end.

Depending from table A, on the plane of arm C, are brackets N N, which provide bearings for a longitudinal shaft, O, which has simply a rocking motion, and carries at its i front end the shuttle-carrier P, which may be of any suitable construction; but this shuttle mechanism is preferably of the construction illustrated in my former patent, No. 96,866, November 6, 1.869. This rock-shaft O is op erated by means of an arm, Q, having a universal connection with the crank of shaft F, as shown at'a", and is also provided at its lower end with a socket, c, adapted to receive a ball, o, on the end of a lateral arm, o', on shaft O. Thus as the shaft F rotates, the arm Q causes the operation of the shaft O, and at the same time has the necessary lateral movement, caused by the motion of shaft O on its universal bearings.

R is a ily-wheel, Which is arranged loosely on shaft F, and engages at the end of its hub r with the ratchet-face of a pinorclutch, S, seated in a recess, f, in shaft F, when said wheel turns in one direction, as indicated by the arrow, Fig. l. l/Vhen the Wheel turns in this direction,its engagement with said chuck locks it to the shaft, and consequently the shaft turns with the Wheel; but when the Wheel is turned in the direction indicated by the arrow, Fig. 5, the end of the hub r will pass over the teeth, on the face of the chuck, and the shaft F will remain stationary. By this arrangement motion maybe transmitted from Wheel B by means of any suitable mechanism to wind a bobbin Without operating the needle mechanism.` The pin S is provided with a spring, s, to return it to its normal position. The ily-Wheel B is driven by means of the main drivewheel of the machine, (shown in dotted lines, Figs. l and 2,) which engages IOO tion will be readily understood. It is very simple and efficient, and has a noiseless7 positive, and uniform movement.

I claim as my inventionl. The combination of the crank-shaft; means for rotating the same, the vreciprocating drive-arm connected to the crank-shaft and to the bell-Crank lever, the bell-crank lever, the horizontal lever-bar supported by a pivoted link and connected to the bell-crank lever, the horizontal hinged arm linked to ksaid lever-bar, vand the needle-bar connected with the free end of the arm, substantially as set forth.

2. In a sewing-machine7 the combination of the crank-shaft, the needle-bar, the intermediate connecting mechanism embodying a driverod, bell-crank lever, horizontal lever-bar, suspending-link, hinged arm, and connectinglink, the rook-shaft carrying the shuttle, and the operating-arm connected to the crankshaft and to the rook-shaft by a universal joint,'substantially as set forth.

In testimony whereof I affix my signature in presence of two Witnesses.

PETER J. CLEVER.

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