US107143A - Improved screw for soles and heels of shoes - Google Patents
Improved screw for soles and heels of shoes Download PDFInfo
- Publication number
- US107143A US107143A US107143DA US107143A US 107143 A US107143 A US 107143A US 107143D A US107143D A US 107143DA US 107143 A US107143 A US 107143A
- Authority
- US
- United States
- Prior art keywords
- screw
- heels
- soles
- shoes
- improved screw
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000760 Hardened steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
Description
, waited @Saisies @met 63Min.
Letters Patent N 107,143, (lated S'eptcmhcr 6, i870.
IMPROVED SCREW FOR SOLES AND'HEELS OF SHOES.
The Schedule xeferredto in these Letters Patent and making part of the same Figure 1 represents an elevation ot' a ginnici-pointed screw, with a cylindrical head.'
Figure 2 is a similar view of a screw, with a partly A (.'ylindrical and part-ly tapering head.
Figure 3 is a like view oi' a screw wit-h the ori'linury tapering head.
This invention consists in producing, as a new` article ot' manufacture, a hardened giiulel-pointed metab.
lic screw, which I term an arnwr-screw, and which is to be used for arming shoe-soles and heels to prevent rapid wear of 'the sanne.
In general construction, this armor-screw is similar to t-he ordinary gimlet-pointed wood-screw, the distinction between the two consisting mainly in the process of manufacturing them, and in niostcases also in the material made use of. Y
My armor-screw, after it has been inished in the usual manner, is subjected to a hardening process.l to
qualify it lor resisting the wear to which it will be exposed when applied as above stated, and is generally made of' steel, though it may be made of iron and at'- terward case-hardened. l
The preferable form of head for this armor-screw is shown in fig. 1, presenting a surface of uniform area until it is entirely worn oti'; but other forms ot' heads, such as shown in igs. 2 and 3, though not quite as desirable, will answer very well.
The lcngth'of its shank will be determined by the thickness of the sole to'which it is to be applied, various sizes being made' to that end.
Having thus described my invention,
What I claim, and desire to secure by Let-ters Patent, is
As a new article of manutacture, the within-de scribed hardened steel armor-screw, for shoe-solesand heels.
In testimony whereotl I have signed my name to the foregoing speeitication in the presence of two subscribing witnesses. y.
l). H. WHITNEY.
Witnesses:
W. It. LAUGHLix, EDM. F. Bnows.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US107143A true US107143A (en) | 1870-09-06 |
Family
ID=2176619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US107143D Expired - Lifetime US107143A (en) | Improved screw for soles and heels of shoes |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US107143A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050289097A1 (en) * | 2004-06-23 | 2005-12-29 | Nokia Corporation | Method, system and computer program to enable querying of resources in a certain context by definition of sip event package |
-
0
- US US107143D patent/US107143A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050289097A1 (en) * | 2004-06-23 | 2005-12-29 | Nokia Corporation | Method, system and computer program to enable querying of resources in a certain context by definition of sip event package |
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