US1562930A - Guide for sewing machines - Google Patents

Description

NOV. 24I

W. D. TURNER GUIDE FOR SEWING MACHINES Filed May 23, 23

Gffotnul Patented Nov. 24, 1925..

UNITED STATES WALTER D. TRER, OF WAGO, TEXAS.

GUIDE FOR SEWING- MACHINES.

Application filed May 23, 1923.

.To all 11i/10m it may concern.'

lie it known that I, lVAUrnn D. TURNER, a citizen of the United States, residing at l/Vaco, in the .county of McLennan and State of Texas, have invented certain new and useful Improvements in Guides for Sewing Machines, of which the following` is a specification, reference being had to the accompanying drawings.

This invention relates to guides for sewing machines and more'particularly to a guide adapted for use in forming seams which include the use of piping.

A further and more specific object of the invention is to provide a device of this character particularly adapted for guiding the sections of material used in forming casing covers for automobile tires.

A ilurther object oit the invention 1s to provide in tannbination with a guide of this character, a presser foot so constructed that ity maintains the piping against transverse movement with relation thereto.`

rlheee and other objects l attain by the construction and arrangement shown in theL accompanying drawings wherein for the purpose of illustration is shown a preferred embodiment of my invention and wherein like reference characters designate like parts throughout.

In the drawings Figure 1 is a plan view showing` the guide constructed in accordance with my invcntion applied to a sewing machinii;

Figure 2 is a section on the lineA QAQ of Figure 1;

Figure il is a perspective of the guide arm detached Figure 4f is a sectional view taken through the seam formed; and

Figure 5 is a section on the line 5 Figure 1.

Referring now more particularly to the drawings, the numeral indicates an attaching plate adapted to be secured to the bed plate 11 of a sewingmachine by the securing elements 12 so employed to hold attachments upon the surface of the bed plate. The plate has a vertically offset portion 13 which is integrally connected thereto as at 14, this offset portion overlying the bed plate 11 of the machine in spaced relation thereto. Adjacent its longitudinal end edge the plate 10, and more particularly the oii set portion 13 thereof, is provided with an iipwardly extending flange 15 having se- Serial No. 640,914.

cured thereto a reclining U-shaped guide member 16, the lower arm 17 of the U being slightly spaced from the upper surface of the offset portion 13 of the plate and the bight portion 18 thereof being disposed in the same plane as the free edge 2O of this offset portion. It will be noted that the edge of the plate 10, iiange 15 and guide member 16 combine to form a body provided in opposite sides thereof with guide channels A and B, the guide channel A being substantially vertically above the channel B so that this body is S-shaped in cross section. Upon the upper surface of the upper wall 21of the channel A a plate 22 is arranged, through which are directed securing elements 23 ergaged in the upper arm 9,1 and upon which the plate 22 is vertically movable. Between the heads of the securing elements Q3 and the plate 22, springs 241 are disposed, normally maintaining this plate against the upper surface of the arm 21, the outer edge of this plate being provided with a depending flange 25 extending adjacent the outer surface of the bight portion of the U-shaped member 1G and slidably abutting' the free edge of the portion 13 of the plate 10. It will be noted that this flange 25 forms a guide space by closing the mouth of the channel B, the ends of this guide space being open.

Secured to the plate 10 and more particularly to the offset portion 13 thereof, as at 27, is a spring member 28, the end of which extends into the channel A intermediate the arms 17 and 21 of the U-shaped member 16 and which is provided at its end with an upturned flange 29 directed toward the uppermost arm 21 of the U which forms the upper wall of the channel A, this ilange paralleling the bight portion 18 of the U. The offset portion 13 of the plate has further secured thereto an arm 30 provided with an angular portion 31 formed at its end with an eye 32. In the present instance I disclose this eye as formed by providing a strip of sheet metal formed intermediate its ends to provide the eye and having its end portions in slightly spaced relation as indicated at Se, these end portions having their extremities attached to the angular portion 31 of the arm in any suitable manner. The eye 39., and more particularly the opening thereof, is in longitudinal `alignment with the end of the guide space B. The flange 25 has the end thereof nent adjacent the eye cut away as indicated at 35,

lll5

and the corresponding corner 'of the offset portion 18 of the plate, indicated at 36, is

slightlv down-heut so that this corner combiiies lwith the flange to form 'a V-shaped mouth 2li into which a piece of cloth may be introduced to lift the flange and plate 22 against the action of the springs 24.

`In Figure 4- I have illustrated the seam which the guide is particularly adapted to construct. rIhe seam, it. will be noted, includes an under ply 38 of material, an over ply and a beaded piping strip 4t). In the completed seam the piping strip has the bead #i1 thereof exposed to view. this bead usually being of a di'tlerent color from the under andover plies Z-lts and 239. Since the over pl;Y 59 is vexposed to view, the end portion 33) thereof must he reverted and in the construction of vehicle tire covers this reverted edge is usually glued or otherwise fastened ininosition before the goods is introduced to the machine. In the contruction of the guide the flange 2f) is spaced from the adj acent 'tace of the hase of the channel A formed h v the bight portion 18 of the U a distance equal to the distance of the marginal edge ot the over ply Si) and the inner edge o-f the reverted portion 39, The eye of the arm il() is made of such size that it slidably receives the bead 4:1 of the piping strip 41o, the body et?, of the piping strip extending into the space 34 provided therefor. From the eye 32 the piping stripis led through the guide space B from end to end, the space between the adjacent faces of the langeQ and iiange 15 forming the base of the channel A being equal to the double rwidth of the piping strip. i The under ply 38Vof material is led beneath the eye 32 of the arm and engaged in the mouth 37 of the guide opening Il, the edge of the under ply abutting the outer face of the flange 15 beneath thepiping strip 40. The inner face of the hight portion 1S of the U is in a vertical plane corresponding to the inner Iedge of the bead `fl-'l of the piping and since the edge of the over ply 39v abnts against the inner face of this hight portion the overply held in such position that only the bead l1 of the piping strip is exposed to view.y

By an inspection of the sectional view shown in Figure 2 it will be seen that when the materials are so arranged the edges of the piping strip 40, under ply 39 and the reverted portion 89 of theover ply 39 are aligned and the goods accordingly positioned for the formation of the seam therein. It will be obvious that the piping strip L10 being relatively narrow and aocoriilingly flexible will have a tendency to move after litting the guide and before engaging beneath the presser foot d3. I accordingly form the p"""cr foot 48 with a concaved under suri..ty, this coneau extending longitudinally et the p s Yloot and forming a guide for the feed `of the piping to prevent transverse movement thereof with relation to the under and over plies 38 and 39. I am aware that heretofore the under surfaces of the presser feet have been concaved for various purposes and I accordingly do not claim this construction of the presser foot as new except in the con'ibination hereinbeforc set forth. f

lllhat is claimed is 1. A guide for use in forming seams comprising oppositely directed under and over plies, comprising a member S-s'haped in cross section providing oppositely directed ply edge receivingl channels, and a rresilient element projecting into one of said channels and abutting one wall thereof in spaced relation to the base of the channel.

In a sewing machine guide for use in forming seams comprising oppositely directed under and over plies, the over ply having the edge thereof reverted and secured., comprising a member S-shaped in cross section and providing oppositely directed ply edge receiving channels, a resilient element projecting into the upper channel and abutting the upper wall thereof in spaced relation to the base of the channel, the edge of the resilient element being spaced from the hase of the channel into which it projects a distance equal to the marginal edge of the over ply 'and the edge of the reverted portion thereof.

3. A guide for use in forming vseams comprising oppositely directed un'derfand over plies, comprising a member S-shaped in cross section inoviding oppositely 'directed ply edge receiving channels, a resilient element projecting into one of said channels and abutting one wall thereof in spaced relation to the base of the channel, and a vertically mofable plate secured to the upper surface of the S-shaped member and having a depending flange closing the mouth of tho lower channel.

4t. .A guide for use in forming scams comprising oppositely directed under and over plies, comprising a member S-,shap'ed in cross section providing oppositely directed ply edge receiving channels, a resilient element. projecting into one of said channels and abutting one wall thereof in spaced relation to the base of the channel, a vertically movable plate secured to the upper surface of the S-shaped member and having a depending flange closing the `month of the lower channel, and springs normally maintaining the flange in a position closing the mouth of the lower channel.

5. In a guide for mate-rial and a welt, a base plate, an arm rising therefrom and coiistituting a guide for material, the said arm having an extension lying parallel to the base'plate, an upstanding portion and a portion integral therewith overlying the first mentioned extension, aJ tongue suitably llo lili

anchored and having a tree end lying in the space between the extensions for guiding a strip oi fabric, a pla-te on the second mentioned extension having a depending flange projecting below the first mentioned extension, and a welt guide at the side oil' the arm, through which the welt travels in engagement with the depending tlange, substantially as described.

(3. ln a guide for material and a welt, a base plate, an arm :rising therefrom and constituting a guide for material, the said arm having an extension lying parallel to the base plate, an npstanding portion and a portion integral therewith overlying the iirst mentioned extension, a tongue suitably anchored and having a free end lying in the space between the extensions for guiding a strip ot fabric, a plate on the second mentioned extension having a depending iiange projecting below the iirst mentioned extension, a welt guide at the side of the arm, through which the welt travels in engagement with the depending `flange, and means tor .vieldingly holding the plate on an extension of the arm, substantially as described.

T. ln a guide ot the character described, a base plate, an arm extending upwardly there- Yfrom and having an extension overlying the said base plate, an upwardly extending por tion and an extension overlying the first mentioned extension with a space therebetween, a suitably anchored tongue having a tree end projecting into the space between the extensions to engage a. told ot material to be guided by the said tongue, a welt guide carried by the said base plate for delivering the welt to the space between the base plate and the first mentioned extension, and a guiding element engaging the edge ot the `welt for preventing its lateral movement.

S. In a guide of the character described, a base plate, an armV extending' upwardly therefrom and having an extension overly ing the said base plate, an upwardly extending portion and an extension overlying the first mentioned extension with a space therebetween, a suitably anchored tongue having a tree end projecting into the space between the extensions to engage a fold of material to be guided by the said tongue, a welt guide carried by the said base plate for delivering the welt to the space between the base plate and the first mentioned extension, a guiding element engaging the edge of the welt for preventing its lateral movement, and means for yieldingly holding the guiding element in assembled relation to the arm.

In testimony whereof I hereunto aliix my signature.

VALTER D. TURNER.

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