US1351866A - Sewing-machine - Google Patents

Description

D. NOBLE.

SEWING MACHINE.

APPLICATION man AUGJI, 191e.

Patented sept. 7,1920.

7 SHEETS-SHEET l.

D. NOBLE.

SEWING MACHINE.

APPLICATION FILED AUGJ, i916.

Patented Sept. 7, 1920.

,SHEETS-SHEET 2.

W/ TNESSI l/V VE N TOR A 7TOR/VEY D. NOBLE.

SEWING MACHINE.

APPLICATION mEpAuG.1|,1s1s.

0. 2. 93 1m Plym .dw .m1 m D..

IIN

D. NOBLE.

SEWING MACHINE.

APPLICATION FILED Aua.11.191s.

Patented Sept. 7, 1920.

YSHEES-SHEET 5.

WITNESS.'

llt/VENTUH ATTORNEY D.. NOBLE.

SEWING MACHINE.

APPLICATION FILED AUG.II| 1916.

Patented Sept. 7, 1920` 1,351,866, SHEETS-SHEET 6.

fc'w By A men/Ey D. NOBLE.

SEWING MACHINE.

APPLICATION FILED AUG.II. I9I6.

Patented Sept. 7, 1920.

W/T/VESS:

A fmII/5y UNITED STATES i PATENT OFFICE.

DONALD NOBLE, OF BRIDGEPORT, CONNECTICUT, ASSIGNOR TO THE SINGER MANU- FACTURING COMPANY, A COREORATON OF NEW JERSEY.

SEWING-MACHIN E.

Specification of Letters Patent.

Patented Sept. 7, 1920.

Application filed August 11, 1916. Serial No. 114,333.

T0 all whom t may concern.'

Be it known that l, DONALD NOBLE, a citizen ot' the United States, residing at Bridgeport, in the county of Fairfield and State ol Connecticut, have invented certain new and useful Improvements in SewinglYlachines, of which the following is a specification, reference being had therein to the accompanying drawings.

This invention relates to improvements in blind-stitch sewing machines and has to do more particularly with the providing of an improved feeding-mechanism adapted to the requirements ot a comparatively large variety of products. Prior to the devising of the present improved means machines of the present character havebeen constructed special to the requirements oi'.1 a compara` tively small range ot application duc to the distinctly unlike conditions of seam-termation demanded by the differences in eliect which the seeming operations must have on the product.

`When blind-stitching the stitenings comprising hair-cloth, buclrram, crinoline or other stilening materials to the fabric comprising the lapels et coats, cloalrs and other outer' garments, the stitching operation must give to the fabrics a natural roll which needs only to be pressed to give to it its proper term, while in the seaining ot the bottoms ot trousers, telling, taping ot' coats and many lother stitching` operations there must be no tendency or" the super-posed plies to change their form or relationship owing to the stitching operation.

ln the accompanying drawings, which form a part orp the speciiication, Figure l is Y a plan view of a blind-stitch sewing machine employing the invention, the iframe-plate being omitted to bring to view the toed and ifeed-liit levers oi? the upper feeding-mechanism. Fig. 2 is a view in side elevation, at the right of the operator, ot' Fig. l except that it includes the trame-plate andsectional views of the liront and back feed- Jframe face-plates, a portion ot the oscillatingtrame being also shown in section. Fig. 3 is a view in side elevation, at the lett ot the operator, of Fig. l, except that it includes the frame-plate and illustrates the` gear-covering plate in section. Fig. 4E is a view in rear end elevation et Fig. l, the machine frame being shown in section to bring to view certain elements later to be retired to el'lect an endless seam comprising i'erred to. Fig. 5 is a view in front end elevation of F l, together with the frame-plate, the gear covering plate being shown in scction and the front Jleed traine plate brolcn away at its opposite ends to better illustrate the lower feed-dog actuating mechanism. G an under side view of Fig. l. Fig. is a view, in perspective, oit the upper feeding-mechanism. Figs. 8, S), l0 and l1 are iews, each ot which include the feed-trame, 'eed-dog, feed-connection and feed-dog ac- 'uating cams, the respective views illustrating, in seq ence, the tour-motions ot the Aiced-dog. Fig. l2 is a view of the clothy :esser detached from the machine to better illustrate the needle-loop guard. Figs. 13 and 14. are views, partly in full lines and partly in section, ot the feed reversing mechanism illustrating the elements in the positions which they occupy when feeding the fabric to the lett ot the operator and in a reverse direction, respectively. Fig. l5 are detailed views, in perspective, ot certain ot .the elements shown'in section in Figs. 1? and le. Figs. 1G, l? and 1S are views in trent end, plan and side elevation, respectively, the means emrloyed tor annulling nechanisni when. for any propose, it is deoppositelyf directed lines et seai'n toriuation, as will later be explained.

leterring to the figures, l represents the sewing machine traine in which is journaled in suitable bearings the main-shaft 2 carrying at one end the belt-pulley 3 and at its opposite end the shaft-Flange 4. 5 denotes an oscillating cylinder carried by a rochsha'ft G journal-ed in a suitable bearing 'Formed in said trame and suitably held 95 against endwise movement. Mounted in a suitable bearing formed in the cylinder is a needle-carrying bar .7 provided with a needle holding` bracket S carrying a needle 9, the latter cooperating with an oscillating loop-taker l0, provided with a thread-bobbin ll, to form stitches, said looptaker being carried by a spirally grooved oscillating shatt 12 suitably journal/ed in said oscillating cylinder. nto the shaft-flange 4L isv suitably secured a crank-pin 13 upon which is pivoted one end of a two-part needle-bar actuating connection let whose opposite end is pivotally connected with a reciprocating cross-head 15 suitably secured at one end 110 to the needle-bar, its opposite end being pro-V vided with an internally lformed spiral thread (not shown) meshing with Vsaid spiral grooves, thus transmitting, through the reciprocatory movements of said cross-head stitch-forming movements to said oscillating shaft and needle-bar.

In the formation of a blind-stitch seam, as effected by the present construction, the needle passes a ternately through and outside of the fabric, and when piercing the fabric enters and emerges from the same side of the latter, and this is accomplished by giving to the cylinder 5 a i'ockiiig movement, as will now be explained.

,Upon the main-shaft 2 is suitably secured a gear member 16 which meshes with a gear member 17 carried by a feed actuating shaft 18, and as said gears are ofthe ratio of two to one the shaft 18 is given one rotation to two of the shaft 2, the end of the shaft 13 opposite to that carrying the gear 17, being provided with a. reduced concentric eXtension-19 carrying a double and symmetrical eccentric 20, which latter engages the oppositely'arranged walls, as 21, of the forked end 22 of the oscillating frame 5, to give to` the latter its oscillatory movements to* alternately place stitches in and out of the fabric. 23 representstlie prime gear member of a 'train of gears connecting the main-shaft with the feed-shaft 21, the gear member 25 acting as an idler forv connecting the gear member. 23 with the like gear member 26 fast -on the feed reversing shaft 27 jour- Vnaled in an Varm 2S of the rocking feed! frame 29, the latter being'lield in operative relationship with its coacting elements by the flange of said arm 28 contacting with the end wall 31 of the bearing 30 Vand the securing of the rocking frame lever 31 by screw 32 against` the oppositely arranged wall 33 of said bearing. The end ofthe shaft 27, opposite that carrying the gear member 26, is provided with an enlarged bearing surface 31k provided with a slot 35 and head 36, and onto saidY enlarged portion are mounted the bevelsgears 37 and 33 to turn with the shaft 27 driving or driven elements as the operator may will, the gears 37 and 38 being held in engagement with a like bevel-gear 3i), ai-i'ied by the feed-shaft 24, by the head 36 of said enlarged portion and the boss t() 'of themachiiie frame, respectively, Y

To transmit from the shaft 27 rotary movementsrto the shaft 24 inV directions ing the slot 35, said follower being provided vwith 'a spring-step 50 manuallyv controlled 27 clockwise movements to the shaft 24:, such power transmission being effected by the operator permitting the spring to move the dog-pin 45, carried by the switch-collar lle, into engagement with the opening 53 in the gear 37, thus causing the latter to drive the gear 39, but when it is desired to reverse the action of the shaft 24j and cause the feed movements of the fabric to be reversed the operator, through a suitable treadle (not shown) and treadle connection 54, rocks the bellcrank-lever 52Von its -fulcrum sutlicient to bring the free end 5Gof the lever in contact with the surface'57 of the rocking 'frame 2S), thus causing' the dog-pin L15 te, in

opposition to the resiliency of the spring e3, engage. the opening 5S'in the gear 33 and operatively connect the latter with the gear 39, the gear member 37 idly tui-ning on the shaft 27. T he purpose of bringing the free end 5G of the belle 'ank-lever in contact with the surface 57 of the rocking frame 29, is to minimize the Vfriction which otlieiwvise might result from tlieplunger v51 contacting the spring-step of the follower 19, and the opposite end of said plunger withV the end of the Vscrew V5e"adjustably secured in said bellcranlclever,

The vertically movable frame forhousing the feed-dog and means for giving to the latter itsfour motions, comprises supports 59 and (30 carrying at their upper ends a throator needle-plate (51 secured by screws, as 62,tlie opposite ends of said supports being secured ,by screws, as 63,V to a tie-plate 64, the front and rear sides of said frame being provided with faceplates (S5-and 66, respectively, secured by suitable screws (not Vfeed-shaft is journaled. 70 denotes the feeddog rigidly secured upon the upper ends of the feed-, dog carrying rods 71 and 72, ther opposite ends ofthe latter being` rigidly secured in the feed-lift bracket 73 provided withV the forkedY opening 7e into which tracks the feed-lift eccentric 69. 75 denotes Va feed yoke slidably mounted upon the rods 71 and 72 and on the front'side of said yoke is pivoted the upper end of a feed actuating lever 76,the opposite end of the isi) latter being forked to receive the feed eccentric titl, said feed actin 'ing lever being` il with a ng- L l 77 journaled in a suitable opening in the face-plate 65. Supp-osin" the feed-dog and the elements t'or controii i g its four motions to occupy their positions as illustrates in Fig. 8, with the feed-d at its limit of downward movement nd in its retracted position ready to moved upward into engagement with the l the nrst 900 of rotation of the feed- .vould cause the cam-portion t of the act upon the wall o proa' i d' ed-hit eccentric 99 to vthe bracket 73 to, in opposition to the resiliency of the springs 7 9, elevate the feeddog its limit of' upward stroke, as in Fig. 9, and during such time the concentric portions c and d of the feed eccentric 68 act upon the walls c and of the feed actuating lever to hold the latter against rocking movement en its pivot 77. in tie second 90 movement of the feed-shaft 24 the eccentric portions 'ff and. ,ft of the feed-eccentric G8 act on the walls e and f, respectively, of the forked opening' 7G to rock the lever 76 in the `direction indicated by the arrow S, Fig. 9, and simultaneous with such movement of the lever 76 the eccentric portions a and i of the toed-lift eccentric 69 will act on the walls j and il: of the forked opening 74 in the bracket to give to the feed-dog its feed movement. ln the third 900 movement of the shaft 24 Vthe eccentric portion c' of the eccentric 69 acts upon the wall 7) ofthe bracket 73 to permit the springs 79 to move the feeddog to its lowest position, during which time the eccentric GS holds the downward movement of the toed-dog to e right line, lem/'ing the elements as illustrated in Fig. 10, when the eccentric portions vf/ and z of the eccentric (3S, and like eccentric portions c and i of the eccentric G9 act on the walls and f and y' and Zi, respectively, to move the feed-dog` in a right line to ng to the feed-dog rectangular movements whose opoositely arranged movements are of like amplitude.

80 represents the feed-frame guiding luacket provided with a shank 81 secured by s aw S2 in an opening 83 in the frame 1, said bracket being` provided with transversely arranged arms Sil and S which embrace the vertically movable feed-frame, and into the free ends of each of said arms is threaded a teated screw SG and respectivel the teat of screw tracking a slot S8 edin the face-plate G5 and the teat of the screw S7 tracking` like slot 89 in the face-plate 6G. The purpose of the bracket just described is to secure the vertically movable feed frame against movement about the axis of the shaft 2&1.

ln thc present, as in the construction represented by U. S. Patent No. 1,133,572, March SO, 1915., to the same inventor and to which irst position. as illustrated in Fig. 8, thus ble of being moved downward to accommo- 1 n c l J: ate the inserting oi the fabric below the 4cloth-presser and to effect this, the rocking frame lever 81 secured one end by screw 3L to the arm 28 of the rocking frame 29 is, at its opposite end, acted on by a roller 9() carried by a stud 91 suitably secured in a treadle actuated bracket 92 fast on rockshaft 93 journaled in, suitable bearings formed in the frame 1, and through the opening in said bracket extends a treadle-rod 95 connecten with a second suitable treadlc (not shown), said rod being provided with an adjustably secured collar 9G provided with a crosshead 97, which latter in its upward movements rocks the lever 31 in opposition to the resiliency of the spring 98, and through the connections pointed out move downward the vertically movable frame carrying the under feeding-mechanism. The spring 98 is mounted upon a rod 99 suitably secured at its lower end in a rocking stud 100 carried by the lever 31', the upper end of said rod passing through a. tubular bushing 101 threaded into the frame and threaded to receive the adjusting nut 102 against the lower end of which said spring abuts, said nut being` provided with an upwardly 4extended slightly tapered threaded portion 103 provided with oppositely arranged slots, as st, and onto said tapered portion is threaded the nut 105. From the foregoing it will be understood that the vertically movable feed frame is yieldingly and adjustably held in its elevated position subject to manual control.

There is herein employed, as in the construction represented by the patent previ.- ously referred to, a fabric bender the construction and control of which will now be explained. 106 represents a horizontally varranged rock-shaft mounted in suitable bearings formed in the frame 1 and carrying a rock-lever 107, one end of which is forked to embrace an eccentric 108 carried by the reduced portion 19 of the lfeed-shaft 18, the Vopposite end of said rock-lever being divided and provided with oppositely arranged bearings in which is trunnioned a short shaft 109, and through the latter loosely passes a standard 1 1() suitably secured at its lower end in a short rock-shaft 111 carried by the fabric-beinler rock-lever 112, the latter suitably secured upon a rockshaft 113 journaled in suitable bearings formed in the frame 1. In the forward end of the rock-lever 112 is suitably secured a pin 11e whose free end loosely enters an opening 115 (shown in dotted lines only) in the fabric-bender 116 which latter extends upward past the rear side of the yoke 75, and through an elongated opening 117 in the feed-dog 70, which opening secures l l O said bender against movement in directions transverse to the length of the feed-dog, the

upper end of the bender being housed in the ,witha depending portion 122, and upon said standard is mounted a spring 123 seated at its lower end on a hub 124 forming a part of said standard, the opposite end of said spring contacting with the inner end wall 125 of a tubular bushing 126 whose upper reduced end 127 abuts the short shaft 109. From the foregoing it will be understood that the vertically movable fabric bender is yieldingly and adjustably held in its elevated position subject to manual control.

128 represents the needle-thread take-.up cam mounted on and to lrotate with the main-shaft 2, said cam being provided with a groove, 129 into which tracks afollower 13() carried by a short Varm 131 of a twoarmed lever 132 journaled on a stud-bolt `133 4Vwhose threaded end 133 passes freely through the frame 1 and extends above the framerboss 133 toY receive an` internally threaded bearing stud, later to bereferred to, the oppositelyV arranged'arm 134 (shown in dotted lines only) of said lever carrying Vthe take-up arm 135. v Y

The cloth-presser mechanism comprises a cloth-presser carrier 136 threaded at its upper end and at its lower end provided with Y a cross-bar 137 carrying a swinging clothpresser 138, the latter being provided with up-turned lugs, as 139, through which pass pivot-screws,A as Y140, threaded into said cross-bar.l

integral .with a horizontal arm142 slidably mounted in a bearing 143 formed inthe lug 144 forming a part of` the cylinder 5, a spring 14,5, (shown in dotted lines only) Vacting to hold the cloth-presser down upon the fabric, the nut 145 threaded upon the upper end of the cloth-presser carrier acting to determine the vertical relationship of the cloth-messer with respect to the throat-plate V6 1 when the cylinder 5'is oscillated to its position to form stitches out of the fabric. The horizontalarm. 142 is free tov oscillate in the bearing'143 and to be moved endwise in opposition to the ,resiliency Vof the spring 146 mounted on the Aarm 142 and held confined between a shoulder 147 and the inner end of the Vnut 148 threaded upon the arm 142, thus permitting rocking lmovements of vthe cloth-presser in *the direction of and transverse, to the line of vseam-formation. 14.8' represents a rib or ridge formed on The cloth-presser carrier 136 A passes through a tubular upright 141 formed the under side of the cloth-presser which acts onthe fabric to, in opposition to the throat-plate and close to the line of vertical movement of the fabric-bender while the fabric is being acted on by the latter and by the needle to pierce the fabric,'hold the latter from slight movement inthe direction of the piercing movements of said needle to prevent anyv tendency of the fabric moving in such direction, and to prevent any tendency of the sewing operation to draw or pucker the fabric in the line of seam-formation. Y

A needle-thread (not shown) is passed from the supply through a thread-check 149, thread-tensionlO, thread leaders 151, 152 and 153, the latter carried by the needlethread take-up, through a suitable opening in the needle-bracket 8 and from the latter to and through the eye of the needle, the elements 149, 150 and 151 being carried by the frame plate 151.

155 represents a spring depressed needleguard mounted to move vertically in a suitable opening (not shown) in the vertical portion 156 of the tubular portion 141 and controlled in its movements, relatively to the movement of the needle, by a two-armed lever 157acted ou by a suitable concafed surface (not shown) formed inthe necdlebar, said needle-guard and means for controlling its movements being common to the construction represented by Patent No, 1,133,572 previously referred to.

Referring now to the upper feeding niehanism, reference being had lmore particularly to Fig. 7, 158 represents a feed-cam carried by the feed-actuating shaft 18, 159 a feed wok-bar pivotally mounted on the stud-bolt 160 threaded into the frame 1. rllhe rear end of the rorlz-bar 159 carries a roller .161 which tracks a cam-groove 162 in said feed-cam, the opposite end of said rock-bar being pivotally connected with the feed-dog carrying bar 163 to which is secured by screws, as 164, the shank V165 of the feeddog .166, thus'transmitting from said feedcam 4feed movements to the feed-dog.

167 represents -the feed-lift camcarried by the feed actuating shaft 18 and provided with a cam-groove 167. 168 the feed lift rock-bar Vprovided VVwith a cam-roller 168 Ytracking said ram-groove and with an upwardly'extended bearing 169 journaled on an internally 'threaded bearing 169 threaded on the upper end of the ,stud-bolt133, the

Yibrward end of said feed-lift rock-bar being provided with Van internal bearing 17() into which is journaled one arm 171 of a twoarmcd connertion whose other arm 172 is 'iournaled in a bearing 17 3 in a bellcranlrlever 174V pivoted on a` stud v175 threaded into a bracket 176 secured by screws, as 177, upon the frame 1, the arm 178 of the bellcrank-lever 174 being provided with a tubuin; the upper endf'of said/connection'acting to adjust the degree of pressure exerted on the fabric by the feed-dog 168. 187l de#v notes a threadguard :arried by the swinging cloth-presser 188 and arranged between the line of needle actuation and the limit of movement of said feed-dog Ain the direct-ion of said needle' to protect the needle-thread from being engaged'by said feed-dog at such time as the latter isV being moved downward to engage the fabric to Acommence its feed movement. From the foregoing descriptive mattei' relating to both the upper and under i435 by pivot screw' 185, a "nut l188 threaded ,.82 in which vis mountfeedi n g mechanism, it Ywill be readilyunden. i

stood that the fced'inovenients of the feeddogs are effected simultaneously, the object being` to insure 'that eachl superposed ply of fabric will vbe given the same amplitude of feed movement, which result cannot be relied upon when only a single feeding mechanism is employed. K l Y l/lilhen it is desired to employ the present construction for stitching a continuous seam con'iprising oppositely directed seam forniations, as when stitching the stilfening to a fabric'comprising the collars or lapels of coats or cloalrs, the e'ective action of the upper feeding-mechanism must be dispensed with, and to do this there is secured upon the frame 1, by pivot pin 188 secured in said frame and adjusting screw 189 threaded into the lattera bracket 190 comprising ,apbase portion 191 provided with a'slot 192 and an arm 193 provided with an opening 194i-, the lower wall. of the latter movable into and out of vsupperting relationship with a pin 195 carried by a feed-dog supporting conv nection 196 hinged at its lower end on the pivot screw 185, so that when it is desired to employthe upper feeding-meehanism the bracket '190 is oseillated on its pivot pin 188 to carry the lower wall of the opening 194i out of engagement with the pin1195 and secured against accidental movement by the screw 189, but when it is desired to annul the effective action of the feed-dog, the latter is manually raised, the screw 189 loosened andthe lower wall of the opening 194 moved into engagement with the pin 195, thus causing `the feed-dog to be moved in a plane above the fabric, and during such time the tubular rock-arm 182 partales of its regular movements on the feed-lift connection 184, in opposition to the resiliency of the spring 197 denotesa guide-pin carried by the rock-arm 182, said pin tracking the forked end of the connection 196 to hold the latter in vertical alinement with the arm 182 when the lowj-r wall of the opening 19d-is out of engagement with the pin 195. I

The operation of the machine is as follows The operator, through a suitable treadle connection, rocks the lever 31 upward thus placing ne vertically movable feed-framel and fabric-bender 116 in their depressed positions and introduces the fabric above the throat-plate 61 in position to be stitched when the operator permits the feed-frame and fabric-bender to take their normal positions, and the stitching operation is commenced. The fabric-bender is moved in one direction during the formation of a given stitch and in an opposite direction during the next subsequent stitch, its upward movement into contact with the fabric occurring ust before the point of the needle enters the fabric to form the stitch in the fabric, thus serving' to firmly hold the fabric in the opening 198 in the presser-foot. lVhen the needle has entered the fabric the fabricbender recedes so as not to influence the movement of the needle while advancing to present the needle-thread loop to the action of the loop-taker, and as the needle recedes from the fabric the resiliently held feedframe and presser-foot follow the upward oscillation of the loop-take and needle until the cloth-presser is clear of the fabric, and at such time the feed-frame is held against further upward movement by the nut 102 contacting with the tubular bushing 101 when the upward oscillation of the needle and loop-taker is continued to the position for forming the stitch located out of the fabric,vand during the formation of the latter stitch the fabric-bender occupies its depressed position, leaving the fabric free to be advanced under the needle but firmly held downV upon the throat-plate byl the spring depressed cloth-presser 188.

Without referring further to the operation and control of the upper feeding-meel anism it is evident to those versed in the art that the effective action of such mechanism may be employed at the will of the operator, as the natureof the product may require, and that the effective action of the feed-dog being directly upon the finished seam the pull action of said feed member effects a uni form pull action on the unsecured plies of fabric, thus insuring that the separate plies will be advanced to the action of the needle without danger of their accidental disarrangement with respect to the line of seamformation.I

Having thus set forth the nature of the invention, what l claim herein is 1. In a. sewing machine, the combination with a stitch-forming mechanism including a needle, a needle carrying bar and means for operatingy said mechanism, of means for presenting the fabricto the action` of said 'stitch-forming mechanism including a fabing with said under feedingmember at the seam-finishedlside of thek needle only.

2. lin a sewing machine, the Ycombination with a stitch-forming mechanism including a needle, a needle-carrying bar and means for operating said mechanism, of means forV presenting the fabric to the action of saidv stitch-forming mechanism including a fabric-bender, an under feeding mechanism comprising a feeding member having' feed movements intersecting the path of needle movement, and an upperfeeding mechanism including a feeding member extending across the finished seam and cooperating with said under feeding member at theseamfinished side of the needle only.-

3. lnv a sewing machine, the combination with a support for the fabric, means for holding the fabric down upon said support including a cloth-presser, a stitch-forming mechanism including` a needle whose movements are controlled to pierce and emerge from the same side of the fal "ie, upper and under feed-dogs and means for giving to said feed-dogs feed-movements, of a threadguard carried by said cloth-presser and acting to protect the needle-thread from being engaged by said upper feed-dog inits movements to feed the fabric.

4c. In a sewing machine, the combination with a support for the fabric, means for holding the fabric down upon said support including a cloth-presser, a stitch-forming mechanism including a needle, means for controlling` V the movements of said needle to pierce and emerge from the same side of the fabric including a fabric-bender and means foradvancingthe fabric to the action of said stitch-forming mechanism, of means for securing` the fabric against accidental movement in the direction of the fabric piercing' movements of' said needle including a rib depending from the lower side of said cloth-presser.

5. 1n a sewing machine', the combinationy with a stitch-forming mechanism including a needle, means for controlling the movements of said needle to pierce and emerge fromA the same side of the fabric, upper and underY feed-,dogs and means for giving to said feeddogs feed-movements, of means for reversing the feed-movements of said under feeddog and means for suspending the effective action of said upper feed-dog to accommodate the reverse feed-movement of said under feed-dog. Y

6. In a sewing machine, the combination with stitch forming andV cloth feeding mechanisms, the latter including a feed-dog located below the fabric, of means for transmitting from'the actuating mechanism of the sewing machine feed movements to said feed-dog'in one or inthe opposite direction including a feed-shaft provided with a driven gear-member, a feed reversing shaft provided with multiple driving gear-members in constant mesh withsaid driven gearmember and means, Vmanually controlled, for effecting and discontinuing power transmission between either the onev or the other of -said driving gear members and said driven gear member'for transmitting to the feed-actuating shaft movements in one or in the oppositedirection, dependent upon the character of the 'product being acted on.

7. In a sewing machine, the combination with .stitch forming and cloth feeding mechanism, the latter including a feed-dog located below the fabric, of means for transmitting from the actuating mechanism of the sewing machine feed movements to said feed-dog in one or in the opposite direction including a feed-shaft provided with a driven gear member, a feed reversing shaft provided with multiple driving gear members -in constant mesh with said driven member and a slidably mounted switch, the latter manually controlled to eEect or to discontinue power transmission between either'the one or the other of said driving gear members and said driven gear member for transmitting to the feed-actuating shaft movements. 'in .one or in the opposite direction, dependent upon the character of the product being acted on; Y

8. In a sewing machine, the combination with a stitch-forming yand cloth-feeding mechanism including a vertically movable feed-frame located below the fabric and normally in engagement' with a cloth-presser located labove the fabric, ofmeans for transmitting from the actuating mechanism of the sewing machine feed movements to said feed-dog in one or in the opposite direction including a feed reversing shaft, a feedshaft provided with double eccentrics housed in said` frame, and. `manually controlled .means *for` moving said frame out of engagement with said cloth-presser -to make convenient the placing of the fabric in position to .be acted on by said stitch-forming and cloth-feeding mechanism.

9. In a sewing machine, the combination with a stitchforming Y and cloth-feeding mechanism includingl a vertically movable feed-frame located below the fabric and normally in engagement with a cloth-presser located above the fabric, of lmeans for transvmitting from the actuating mechanism of the sewing machine feed-movements toV said feed-dog in one or in the oppositeV direction including a feed reversing shaft, a feedshaft provided Vwith double eccentrics housed in said frame, manually controlled means for moving said frame out of cngagement with said cloth-presser to make convenient the placing of the fabric in position to be acted upon by said stitch-forming and cloth-pressc1 mechanism, and means for guiding in a right line the Veltical Inovemcnts of said frame.

In testimony whereof, I have signed my name to lus Speclcatlon, 1n the prcscncc of 10 two snbscrlbmg wltncsses.

DONALD NOBLE.

l/Vitncsscs STANLEY N. SMITH, H. M. BURN.

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