US317930A

US317930A - And trimming fabrics

Info

Publication number: US317930A
Authority: US
Publication date: 1885-05-12
Anticipated expiration: 1902-05-12

Description

(Model.) 2 Sheets-Sheet 1 E. S. CRAM 8v E. G. GOVELL.

MECHANISM POR SEWING AND TRIMMING FABRICS. `1\10.31`7,930.

Patented Mey 12, 1885.

WITNESSES (Model.) 2 Sheets-Sheet 2.

E. S. CRAM 8v E. C. COVELL.

MBCHANISM FOR SEWING AND TRIMMING FABRICS.

Patented May 12, 1885.

WITNBSSES:

hor. wmingm u, x:A

'UNITED STATES PATENT Crricn.

ELISHA SMITH CRAM AND EDGAR C. CCVELL, OF LACONIA, N. H.

IVIECHANISM FOR S-EWING AND TRINHVHNG FABRlCS.

SPECIFICATION forming part of Letters Patent No. 317,930, dated May' 124, 1885. Application filed January 29, 1885. (Model.)

To @ZZ whom it 'may concern: lower end a sleeve, c, which Jrits onto the stud Be it known that we, E. S. CRAM and E. C. d, `which is secured to the upper blade or cut- 5 COVELL, citizens of the United States, residter, e. ing at Laconia, New Hampshire, have inventf is the lower cutter,and is secured rigidly,

5 ed new and useful Mechanism for Sewing and but adjustably, to the bed of the sewing-ma- Trimming Fabrics,of which the following is a chine. The arm or lever B works on a stud specification. firmly attached to the arm of the sewing-ma- 40 Our invention relates to the construction, chine at C. The upper blade or cutter, e, is arrangement, and combination of mechanism hung by means of a stud to the stand g,which 1o for sewing and trimming fabrics, having for is secured to the sewing-machine plate with its object rapidity, accuracy, durability, and screws and slots for adjustment. This upper ,economy in operation and results for the purcutter,e,is so hung (as shown in the drawings) 45 poses indicated. that from thecommencement of and all through The sewing-machine part of our invention the cutting while it is falling it is drawing in 15 may be that of any or all of the ordinary types the direction of the feeding of the sewing-maof sewingmachincs, and such machines are so chine feed. lts connection with the work arm well known as to make a detailed description or lever by means of the combined link and 5c thereof unnecessary, our invention being conspring is such as to constantly press the cutfined to the combination of such with our trimting-edge of e against the edge of cutter f, and

2o ming device, hereinafter fully described. being attached at the extreme point of cutter e In the drawings, Figure 1 represents a verhas much more power and cutting effect.

tical sectional view showing the cam, work- We claiml 5 ingarm, spring and link cutters, and their at- The cam A, arm B, link and spring b, cuttachment to onetype of sewing-machine. Fig'. ters e and f, and stand g, in combination with 25 2 shows aplan view looking down onto the top the sewing-machine mechanism, as and for of the machine. the purposes shown and described.

A represents the path-cam secured to the main shaft of the sewing-machine used for op- ELISHA SMITH CRAM. erating the cutters; B, the angle working arm EDGAR C. `COVELL.

3o or lever, which has a stud on its lower end, a,

which works in the path of cam A, while Witnesses: its upper outer end is connected to the spring EMMA H. F. CovELL, and link b. This spring and link b has on its F. GEO. H. OsGooD.