US507541A - Edwin fay hopkins - Google Patents

Edwin fay hopkins Download PDF

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Publication number
US507541A
US507541A US507541DA US507541A US 507541 A US507541 A US 507541A US 507541D A US507541D A US 507541DA US 507541 A US507541 A US 507541A
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Prior art keywords
hopkins
fay
edwin
carpet
tack
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Expired - Lifetime
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21G—MAKING NEEDLES, PINS OR NAILS OF METAL
    • B21G3/00—Making pins, nails, or the like
    • B21G3/18—Making pins, nails, or the like by operations not restricted to one of the groups B21G3/12 - B21G3/16
    • B21G3/26—Making pins, nails, or the like by operations not restricted to one of the groups B21G3/12 - B21G3/16 by cutting from strip or sheet material
    • 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
    • F16B15/00—Nails; Staples
    • 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
    • Y10S411/923—Nail, spike or tack having specific head structure

Definitions

  • the special object of the invention is to make a tack for fastening down carpets after they have been stretched into the exact position desired, the same being constructed in such a form as will admit of their ready removal from the floor and of their repeated use.
  • Figure l of the drawings is a perspective view of my carpet tack; Fig. 2 a vertical section, showing it applied to the carpet and floor. Fig. 3 is a detail view of a modification.
  • A represents my carpettack which has a flat topawith diametrically opposite ears 0. a. bent downwardly and curved under the said top, a pointed shank a and an enlarged neck a flat on the under side.
  • the ears'a a are arranged, when the tack is being driven through the carpet into the floor, so that the prongs of the lifter can be readily inserted therein, and the ends are curved under so that the metallic head will not be liable to mash down at the edges and thus defeat the object of the invention.
  • the carpet-tack A having the flat top awith ears a a diametrically opposite and curved under the top, the pointed shank a. and the enlarged neck a as shown and described.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Socks And Pantyhose (AREA)

Description

(No Model.)
' E. F. HOPKINS.
CARPET TACK.
No. 507,541. Patented Oct. 31, 1893.
e a gP Q 3.
Wilnesses. Inventor UNITED STATES PATENT OFFICE.
EDWIN FAY HOPKINS, OF CLEVELAND, OHIO, ASSIGNOR TO CHARLES A.
STEDMAN, OF SAME PLACE.
CARPET-TACK.
SPECIFICATION forming part of Letters Patent N 0. 507,541, dated October 31,1893.
Application filed June 7, 1893. $eria1No. 476,823- (No model.)
To all whom it may concern:
Be it known that I, EDWIN FAY HOPKINS, a citizen of the United States, residing at Cleveland, in the county of Cuyahoga and State of Ohio, have invented certain new and useful Improvements in Carpet-Tacks; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to the letters of reference marked thereon, which form a part of this specification.
The special object of the invention is to make a tack for fastening down carpets after they have been stretched into the exact position desired, the same being constructed in such a form as will admit of their ready removal from the floor and of their repeated use.
Figure l of the drawings is a perspective view of my carpet tack; Fig. 2 a vertical section, showing it applied to the carpet and floor. Fig. 3 is a detail view of a modification.
In the drawings, A represents my carpettack which has a flat topawith diametrically opposite ears 0. a. bent downwardly and curved under the said top, a pointed shank a and an enlarged neck a flat on the under side. The ears'a a are arranged, when the tack is being driven through the carpet into the floor, so that the prongs of the lifter can be readily inserted therein, and the ends are curved under so that the metallic head will not be liable to mash down at the edges and thus defeat the object of the invention.
Instead of the neck a shown in Figs. 1 and 2 of the drawings, I may use a fixed collar as shown in Fig. 3.
Having thus described all that is necessary to afull understanding of my invention, what I claim as new, and desire to protect by Letters Patent, is'
. The carpet-tack A having the flat top awith ears a a diametrically opposite and curved under the top, the pointed shank a. and the enlarged neck a as shown and described.
In testimony whereof I affix my signature in presence of two witnesses.
EDWIN FAY HOPKINS.
Witnesses:
REGINA HOWELL, MAY B. OONKEY.
US507541D Edwin fay hopkins Expired - Lifetime US507541A (en)

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