US620154A - Heel-slug for boots or shoes - Google Patents
Heel-slug for boots or shoes Download PDFInfo
- Publication number
- US620154A US620154A US620154DA US620154A US 620154 A US620154 A US 620154A US 620154D A US620154D A US 620154DA US 620154 A US620154 A US 620154A
- Authority
- US
- United States
- Prior art keywords
- slug
- heel
- edge
- boots
- shoes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000010985 leather Substances 0.000 description 14
- 241000237858 Gastropoda Species 0.000 description 10
- 210000000474 Heel Anatomy 0.000 description 10
- WYTGDNHDOZPMIW-UHOFOFEASA-O Serpentine Natural products O=C(OC)C=1[C@@H]2[C@@H]([C@@H](C)OC=1)C[n+]1c(c3[nH]c4c(c3cc1)cccc4)C2 WYTGDNHDOZPMIW-UHOFOFEASA-O 0.000 description 8
- 230000000875 corresponding Effects 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000002045 lasting Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
Images
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
- A43C13/00—Wear-resisting attachments
- A43C13/02—Metal plates for soles or heels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
- Y10S411/921—Multiple-pronged nail, spike or tack
Definitions
- the slug is serpentine or S shaped, with the ends widely separated from the body to avoid a contracted neck or opening leading from the pockets or interior spaces within the convolutions, and the points are barbed to resist withdrawal.
- Figure l is a face view, on an enlarged scale, showing a slug before bending.
- Fig. 2 is a corresponding view of the lower edge.
- Fig. 3 is a view of the upper edge after bending.
- Fig. 4 is an elevation corresponding to the preceding figure.
- Fig. 5 is a view from the left in Fig. 4.
- the slug is cut by dies or otherwise from a sheet of thin steel to the form shown in Figs. l and 2 and afterV hardening may be used in that ilat condition. We prefer it bent in serpentine or S shape, as shown'in Fig. 3, and will so describe it.
- A is the main body of the slug, A the upper or driving edge, and A2 the lower or entering edge.
- the former lies in a plane to receive the blows of the driving-hammer and to present a wearing-face of large area.
- the latter is formed with three entering points proj ecting downward.
- Those at the ends (marked B B) are provided with barbs B', the angular 'entering edges of which are inclined away from the plane edge b, and the inclination at one end of the slug is opposite to that at the other.
- the edges of the intermediate point C are inclined equally away from each other and flow into the body by smooth curves, ending at the rentering angles of the barbs b'.
- the slug In applying the slug it is set in the desired position upon the reversed heel, partially inclosing one of the heel-nails or not, as may be preferred, with the points B, B, and C in contact with the leather, and is pressed or lightly driven until they are fairly embedded. It may then be driven by strong blows of the hammer until the upper face or edge A lies flush or nearly flush with the face of the heel.
- theslugs as cut from a sheet of uniform tl1ickness,and they may be thus produced; but in practice we prefer to stamp them from a narrow steel ribbonof the proper width, the ribbon having been previously rolled with one edge thicker than the other, presenting a tapered or wedge-shaped cross-section.
- the ribbon is fed to the dies so that its thicker edge forms the upper or driving edge of the linished slug and its thinner edge forms the irregular lower or entering edge.
- XVe attach importance to this feature as still further contributing to the easy entrance 0f the slug into the leather, ⁇ and consequently reducing the tearing tendency.
- the slug is represented in the drawings as so formed. It is also preferable to incline the edges b slightly, so that the extreme length of the driving-face shall be a little greater than thelength of the en tering edge, as shown, to facilitate driving and avoid displacement under the hammer.
- the heel-slug for boots and shoes consisting of a plate of sheet metal, bent to forni one or more open convolutions or inclosing pockets, adapted to be driven edgewise, the plane upper or driving edge, the plane end edges, and the barbed points formed on the lower or entering edge, all combined and arranged to serve substantially as and for the purposes herein specified.
- the S-shaped heel-slug described consisting of the body A having the plane upper edge A' and plane ends b, points B B and barbs B B being formed thereon, and the intermediate tapered point C, the whole bent to form two open convolutions or pockets, all substantially as and for the purposes herein set forth.
- the heel-slug for boots and shoes consisting of a plate of sheet metal having one edge thicker than the other, bent to form open ⁇ convolutions or pockets and having the thicker upper edge and end edges plane,with a series of points being formed integral therewith on the thinner entering edge to present gradually increasing areas as the slug is driven, all substantially as herein specified.
Description
No. 620,154. APatented Feb. 2s, |899.
E. J. a. M. n. Lemmon.
HEEL SLUG FOR BOOTS'OR SHOES.
(Application led June 30, 169B.)
UNITED STATES PATENT OFFICE.
EDWARD J. LEIGHTON AND MARY D. LEIGHTON, OF BOSTON, MASSACHU- SETTS, ASSIGNORS TO THE SCOVILL MANUFACTURING COMPANY, OF
WATERBURY, CONNECTICUT.
HEEL-SLUG FOR BOOTS OR SHOES.
SPECIFICATION forming part of Letters Patent N o. 620,154, dated February 28, 1899.
Application filed J' une 30, 1898.
To all whom it may concern.-
Be it known that we, EDWARD J LEIGHTON and lvIAEYD.LEIGHToN,citizens of the United States, residing in Boston, in the county of Suffolk and State of Massachusetts, have invented a certain new and useful Improvement in Heel-Slugs for Boots or Shoes, of which the following is a specification.
Slugs of thin sheet metal driven edgewise lo into the leather forming the heels and also into the soles of boots and shoes have been long used to resist the wear, and thus increase the durability. In all the forms before known to us great difliculty has been experienced in r 5 driving and in holding the slugs against dropping when driven. One of the most common forms is a ring or short cylinder with a section removed, leaving a narrow longitudinal opening. In driving this form the leather is com- Qo pressed and bruised, often tearing away at the narrow neck connecting between the interior and exterior of the slug and leaving the latter with but little hold in the material of the heel. We have devised a form and con- 2'5 struction which avoids these disadvantages, secures a lasting hold upon the leather under all conditions, is easy to apply in the exact position desired, and presents a considerable surface favorably disposed to resist wear.
It consists in forming the lower or en tering edge of the slug with points which readily enter the leather, definitely locating the position of the slug and gradually opening the way for the whole. The two outer points 3 5 have their angular faces inclined oppositely to avoid any tendency of the slug tomove ont of place when driven, and the intermediate point is for the same reason inclined in both directions.
In the most complete form of the invention the slug is serpentine or S shaped, with the ends widely separated from the body to avoid a contracted neck or opening leading from the pockets or interior spaces within the convolutions, and the points are barbed to resist withdrawal.
The engagement in driving being gradual, all tendency of the slug to escape is avoided, and the opposite inclination of the points Serial No. 684,775. (No model.)
neutralizes any disposition of the whole to crawl in either direction.
Our slugs can be manufactured at a cost but little, if any, in advance of ordinary slugs possessing none of the advantages offered by our improved form and construction.
The accompanying drawings form a part of this specification and show the invention as we have carried it out.
Figure l is a face view, on an enlarged scale, showing a slug before bending. Fig. 2 is a corresponding view of the lower edge. Fig. 3 is a view of the upper edge after bending. Fig. 4 is an elevation corresponding to the preceding figure. Fig. 5 is a view from the left in Fig. 4.
Similar letters of reference indicate corresponding parts in all the iigures.
The slug is cut by dies or otherwise from a sheet of thin steel to the form shown in Figs. l and 2 and afterV hardening may be used in that ilat condition. We prefer it bent in serpentine or S shape, as shown'in Fig. 3, and will so describe it.
A is the main body of the slug, A the upper or driving edge, and A2 the lower or entering edge. The former lies in a plane to receive the blows of the driving-hammer and to present a wearing-face of large area. The latter is formed with three entering points proj ecting downward. Those at the ends (marked B B) are provided with barbs B', the angular 'entering edges of which are inclined away from the plane edge b, and the inclination at one end of the slug is opposite to that at the other. The edges of the intermediate point C are inclined equally away from each other and flow into the body by smooth curves, ending at the rentering angles of the barbs b'.
In applying the slug it is set in the desired position upon the reversed heel, partially inclosing one of the heel-nails or not, as may be preferred, with the points B, B, and C in contact with the leather, and is pressed or lightly driven until they are fairly embedded. It may then be driven by strong blows of the hammer until the upper face or edge A lies flush or nearly flush with the face of the heel.
The gradually-increasing engagement of the several points insures the slug against sliding out of place even though the blows of the hammer be not delivered squarely upon the driving-face, and by reason of the barbs it will remain reliably embedded until nearly worn away.
It will be observed that the openings from the pockets formed by the convolutions are not contracted. We believe this to be important as aifording a better hold on the leather, with less danger of breaking the latter across the narrow neck usually remaining when the ordinary forms of slugs are employed.
We have described theslugs as cut from a sheet of uniform tl1ickness,and they may be thus produced; but in practice we prefer to stamp them from a narrow steel ribbonof the proper width, the ribbon having been previously rolled with one edge thicker than the other, presenting a tapered or wedge-shaped cross-section. The ribbon is fed to the dies so that its thicker edge forms the upper or driving edge of the linished slug and its thinner edge forms the irregular lower or entering edge. XVe attach importance to this feature as still further contributing to the easy entrance 0f the slug into the leather,`and consequently reducing the tearing tendency. The slug is represented in the drawings as so formed. It is also preferable to incline the edges b slightly, so that the extreme length of the driving-face shall be a little greater than thelength of the en tering edge, as shown, to facilitate driving and avoid displacement under the hammer.
We claim- 1. The heel-slug for boots and shoes, consisting of a plate of sheet metal, bent to forni one or more open convolutions or inclosing pockets, adapted to be driven edgewise, the plane upper or driving edge, the plane end edges, and the barbed points formed on the lower or entering edge, all combined and arranged to serve substantially as and for the purposes herein specified.
2. The S-shaped heel-slug described consisting of the body A having the plane upper edge A' and plane ends b, points B B and barbs B B being formed thereon, and the intermediate tapered point C, the whole bent to form two open convolutions or pockets, all substantially as and for the purposes herein set forth.
3. The heel-slug for boots and shoes consisting of a plate of sheet metal having one edge thicker than the other, bent to form open `convolutions or pockets and having the thicker upper edge and end edges plane,with a series of points being formed integral therewith on the thinner entering edge to present gradually increasing areas as the slug is driven, all substantially as herein specified.
In testimony that we claim the invention above set forth we affix our signatures in presence of two witnesses.
EDWARD J. LEIGI-ITON. MARY D. LEIGHTON.
lVitnesses to the signature of E. J. Leighton:
CHARLES R. SEARLE, Guo. W. CASE, Jr. lVitnesses to the signature of Mary D. Leighton:
FRANK A. SCHIRMER, PATRICK MCNERNEY.
Publications (1)
Publication Number | Publication Date |
---|---|
US620154A true US620154A (en) | 1899-02-28 |
Family
ID=2688763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US620154D Expired - Lifetime US620154A (en) | Heel-slug for boots or shoes |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2569532A (en) * | 1948-06-09 | 1951-10-02 | Franklin W Marshall | Joining device |
-
0
- US US620154D patent/US620154A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2569532A (en) * | 1948-06-09 | 1951-10-02 | Franklin W Marshall | Joining device |
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