US440668A - Ruffling device for sewing-machines - Google Patents

Description

(No Model.) 3 Sheets-Sheet 1.

M. G. TURNER. RUFFLING DEVICE FOR SEWING MACHINES.

No. 440,668. Patented Nov. 18,1890

(No Model.) 3 Sheets-Sheet 2. v

M. G. TURNER. RUFFLING DEVICE FOR SEWING MACHINES.

No. 440,668. Patented Nov. 18, 1896 J W 3 I 3 hlw'" I r I Ed f I,

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3 Sheets-Sheet 3.

M. G. TURNER. RUPFLING DEVICE FOR SEWING MACHINES. No. 440,668.

Patented Nov. 18,1890.

MT/VEEEEE UNITED STATES PATENT OFFICE.

MELZAR G. TURNER, OF VVESTBOROUGH,'MASSAOHUSETTS, ASSIGNOR TO THE TURNER MANUFACTURING COMPANY, OF NEW HAMPSHIRE.

RUFFLING DEVICE FOR SEWING-MACHINES.

SPECIFICATION forming part of Letters Patent No. 440,668, dated November 18, 1890. Application filed December 12, I887. Renewed July 22,1890. Serial No. 359,506. (No model.)

T0 at whom it may concern.-

Be it known that I, MELZAR G. TURNER, of Westborough, county of Worcester, and State of Massachusetts, have invented certain new and useful Improvements in SewingMachines, of which the following is a specification, reference being had to the drawings accompanying and forming a part hereof, in Which-- Figure 1 is an elevation showing the front of the machine above and below the workplate. Fig. 2 is a plan view, looking down on the work-plate from line 00 00, Fig. 1. Fig. 3 is a plan View of the parts underneath the frame, broken away midway thereof to enable the essential parts to be shown on a larger scale than could otherwise be used. Fig. 4 is a section on line y 3 Fig. 8. Figs. 5, 6, and 7 are detail perspective views of parts of the feeding and ruffler mechanisms.

The object of my invention is the addition to sewing machines having an oscillating shuttle, similar to the machine of this kind known as the Singer machine, of a ruffler feed and plate operating in substantially the same manner as the ruffier feed and plate set forth in Letters Patent No. 312,306, dated February 17, 1885, granted to me; and my invention consists in the constructions and combinations hereinafter claimed.

In the following description of my invention I will confine myself chiefly to the parts of the machine essential to my present invention, and will designate them by letters of reference in the accompanying drawings.

A represents the work-plate, and B the frame of the machine.

0 and D are respectively the needle and presser-foot bars, which are operated in the well-known manner.

E is the circular shuttle-race in which the shuttle oscillates.

F is the ordinary reciprocating feed-bar of a Singer oscillating-shuttle machine. Said feed-bar carries the usual feed-dog f and is pivotally connected with the arms 2'' of the rock-shaft I, so as to be reciprocated by said shaft as the latter is rocked. The ruffler feed b is carried by a bar a, having a sliding con nection with the fecd bar F, so as to be re ciprocated on said bar and independently thereof, but connected thereto, so as to be moved up and down therewith. This sliding connection is shown as being effected. by means of a block F, attached to the front 5 side of the feed-bar F and provided with a dovetailed way or groove in which the dovetailed ruffler-feed bar a fits and in which it can slide. The shank of the ruffler-feed b is provided with a slot 0 for the passage of the screw (1, Figs. at and 7, by which said ruiilerfeed is secured to the bar Ct in such a manner as to permit of its vertical adjustment. The horizontal reciprocating movements of the bar Ct are effected by the mechanism which I will now describe.

A curved link f (see Figs. 1 and 3) is pivoted at one end to the bar a by pivot g and at the other end to a lever h by pivot 7t. Le ver h is pivoted at t' about midway of its length to a rigid arm G, fast to the frame of the machine. To the other end of lever his pivoted a link j, provided with a right and left hand screw and collar Z, by which the length of the link may be increased or diminished for the purpose of changing, when desired, the point at which the throw of the ruffier-feed begins-that is, this adjustment does not vary the length of the throw, but it varies the point relatively to the line of the needle at which the throw begins. A check nut m serves to hold the collar Z rigidly on the link j after the link is adjusted. The link j is also pivoted to a block a, which is adapted to slide on the crank or lever H, which is set 8 5 rigidly on the shaft 1. The block a may be secured at any point on the lever H by means of the set-screw 0. (See Fig. 3.) By means of this sliding block at the length of throw of the ruffler=feed may be easily and speedily c adjusted, as it is obvious that the farther the block be toward the free end of the crank H the greater will be the length of throw of the ruffler-feed.

The rocker-shaft l is mounted in the manner and position usual in machines of this class, and is given its rocking or reciprocating movement by means of arm p and connecting-rod J Fig. 3, in the well-known manner.

Above the work-plate I provide a separatorzoo plate K, similar in construction and opera tion to the separator-plate shown in my said patent heretofore referred to, but differing therefrom in the manner in which it is mounted. The separator-plate of the patent referred to was secured directly to the workplate, and work could not therefore pass underneath the whole of the separator-plate. To obviate this difficulty I'have provided an arm L, secured at its upper end to the frame of the machine and projecting downwardly to a point near the surface of the work-plate. (See Fig. 1.) The separator-plate, which is of the shape shown, Fig. 2, is upturnedat the rear end, forming a flange q, Fig. 2, by means of which the plate is pivoted at r to the lower end of the arm L. In front of the arm at the lower end thereof is pivoted a lever M, which is provided with projections s andt on either side of the pivotal point. hen the lever M is raised, the projection 5 serves to depress the separator-plate and throw it down onto the work, and when the lever is lowered the projection 6 serves to raise the forward end of the separator-plate from the work. By this arrangement the work may be easily inserted under or withdrawn from the separator-plate, and the plate, being mounted on the arm L above and clear of the workplate, presents no obstruction to the work, and fabric of any width may be subjected to the Operation of the machine.

What I claim is 1. The combination, with the operative parts of a sewing-machine, of the feed-bar F, the ruffler-feed bar a, mounted on said bar F, link f, levers h and H, rocker-shaft Land the adjustable link j, whereby the point at which the throw of the ruffler-feed begins may be varied, as desired, substantially as shown and described.

2. The combination, with the operative parts of a sewing-machine, of the feed-bar F, the ruffler-feed bar a, link f, lever h, link j, lever H, fast to the rocker-shaft I, and the block 01, arranged to slide on lever H, whereby the length of throw of the ruffler-feed maybe varied, as desired, substantially as shown and described.

3. The combination, with the operative parts of a sewing-machine, of the feed-bar F, its operating mechanism, the grooved block F, attached to said feed-bar, the ruffler-feed bar a, fitted to slide in the said grooved block and carrying the ruffier-feed b, and mechanism for reciprocating the said rufi'ier-feed bar in the said grooved block, substantially as set forth.

MELZAR G. TURNER.

Witnesses:

GEo. K. WHITE, P. A. ANGIER.

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