US266362A - Driving-calk - Google Patents
Driving-calk Download PDFInfo
- Publication number
- US266362A US266362A US266362DA US266362A US 266362 A US266362 A US 266362A US 266362D A US266362D A US 266362DA US 266362 A US266362 A US 266362A
- Authority
- US
- United States
- Prior art keywords
- driving
- calk
- hathorn
- calks
- tang
- 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
- 238000003780 insertion Methods 0.000 description 4
- 238000007906 compression Methods 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035515 penetration Effects 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
- A43C13/04—Cleats; Simple studs; Screws; Hob-nails
Description
(No Model.)
G. H. HATHORN.
DRIVING GALK.
Patented Oct. 24, 1882.
ot' l\i[aine,have invented certain new and useful 5 Improvementsin Driving-Oalks; andIdo hereby declare that the following is a full clear, and
r being had to the accompanying drawings, formplace, and which can be remov. d at will by a o calks into the logs.
UNrrEe Sterne- GEORGE H. HATHORN,
PATENT flrrroat OF CHESTER, MAINE.
DRlVlNG-CALK.
SPECIFICATION forming part of Letters Patent No. 266,362, dated October 24, 1882.
Application filed July 20, 1882.
To all whom it may concern:
Be it known that I, GEORGE E. HArHoRn, of Chester, in the county of Penobscot and State exact description of the invention, that will enable others skilled in the art to which it appertains to make and use the same, reference ing a part of this specification, in which- Figure 1 shows theblank from which the calk is made; Fig. 2, the completed calk.
Same letters show like parts.
My invention consists in certain improvements in driving-calks, and aims at producing at a small expense a driving-call; which shall be capable of insertion either by driving with. an ordinary eallr-set or by screwing it into twisting motion, leaving the hole clear for the insertion of another calk. This enables the lumberman to remove and replace his calks while upon the drive, obviating the objection to the usual style oi'non-removable calks, which when worn down or broken have to be carried in the boot, not only adding greatly to its weight, but also, by projecting beyond its surface, preventing the proper penetration of new The first step in the manufacture of my improved calk is to prepareablank,A, as shown I (No model.)
at Fig. 1, having the usual point a made rectangular, the shoulder b as common, and the tango to enter the leather of the boot. This tang is rounded for a portion of its length, d, and its remaining part, 6, flattened or squared to a true taper, or as nearly as may be, and pointed at its end, its edges being preferably rounded. This form is given to it by striking up, compression, or in any known manner. The flattened or squared part of the tang is then heated and a twist more or less sharp given to it, forming a quick screw, as shown in Fig. 2, having a sharpened point,f. The whole calk is then tempered as coinnion,forming a driving-call; capable of being either driven or screwed into the boot and removable at pleasure.
What 1 claim as my invention is- A driving-call: having the rectangular point a, shoulder b, and ,tang c, substantially rectangular in cross-section, twisted into a quick screw having a sharpened point, f, whereby the calk may be inserted either by driving or screwing, and is removable at pleasure, substantially as set forth.
In testimony that I claim the foregoing I have hereunto set my hand this 15th day of July, 1882.
GEORGE H. HATHORN.
Witnesses:
PHEBE E. HATHORN, WM. FRANKLIN SEAV'EY.
Publications (1)
Publication Number | Publication Date |
---|---|
US266362A true US266362A (en) | 1882-10-24 |
Family
ID=2335615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US266362D Expired - Lifetime US266362A (en) | Driving-calk |
Country Status (1)
Country | Link |
---|---|
US (1) | US266362A (en) |
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0
- US US266362D patent/US266362A/en not_active Expired - Lifetime
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