US1711393A - Spike point - Google Patents

Spike point Download PDF

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Publication number
US1711393A
US1711393A US257729A US25772928A US1711393A US 1711393 A US1711393 A US 1711393A US 257729 A US257729 A US 257729A US 25772928 A US25772928 A US 25772928A US 1711393 A US1711393 A US 1711393A
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Prior art keywords
point
spike
spike point
beveled
parts
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Expired - Lifetime
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US257729A
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Laufer August
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    • 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
    • Y10S411/921—Multiple-pronged nail, spike or tack

Definitions

  • This invention relates to driven fastenings and has a special reference to a novel form of point for spikes, nails and the like.
  • the principal object of the invention is to I provide an improved form of point for bifurcated nails, spikes and the like.
  • Figure 1 is a side view showing the beveled arrangement of the split point parts of the device.
  • Figure 2 is a considerably enlarged view of the lower portion of Figure 1.
  • the invention here shown it consists of a tapered pin or spike a split at its smaller or point end to provide two prongs b and c, beveledat their end edges inwardly as shown at d. These beveled edges d are inclined at opposite directions as shown at e andv.
  • the bevel ends of the bifurcated 3o portion Causing these parts to curve out wardly and thus lock firmly in the material in which the spike is driven.
  • a device of the kind described consisting of a shank, bifurcated at one end to form 40 prongs, the free ends of which are divergently beveled from their opposed inner faces to their respective outer faces to form chisel like cutting edges, said cutting edges extending throughout the width of the 4-5 prongs and being oppositely inclined longitudinallv of the shank, the beveled portions having plane surfaces.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Description

April 30, 1929. A, .LAUFER 1,711,393
SPIKE POINT Filed Feb.' 28, 1928 Patented Apr. 30,1929.
PATENT OFFICE.
AUGUST LKUFER, OF VIENNA, AUSTRIA.
SPIKE POINT.
Application filed February 28, 1928, Serial No. 257,729, and in Austria November 30, 1926.
This invention relates to driven fastenings and has a special reference to a novel form of point for spikes, nails and the like.
The principal object of the invention is to I provide an improved form of point for bifurcated nails, spikes and the like.
With the above and other objects in view as will be hereinafter apparent, the inven' tion consists in generalof certain novel details of construction and combinations of parts hereinafter fully described, illustrated in the accompanying drawings and specifically claimed.
In the accompanying drawings like characters of reference indicate like parts in the several views, and: v 5
Figure 1 is a side view showing the beveled arrangement of the split point parts of the device.
Figure 2 is a considerably enlarged view of the lower portion of Figure 1.
In the form of the invention here shown it consists of a tapered pin or spike a split at its smaller or point end to provide two prongs b and c, beveledat their end edges inwardly as shown at d. These beveled edges d are inclined at opposite directions as shown at e andv In use the spike is driven in the ordinary manner, the bevel ends of the bifurcated 3o portion Causing these parts to curve out wardly and thus lock firmly in the material in which the spike is driven.
There has thus been provided a simple and efficient device of the kind described and for the purpose specified.
Having thus described the invention, what is claimed as new, is:
A device of the kind described consisting of a shank, bifurcated at one end to form 40 prongs, the free ends of which are divergently beveled from their opposed inner faces to their respective outer faces to form chisel like cutting edges, said cutting edges extending throughout the width of the 4-5 prongs and being oppositely inclined longitudinallv of the shank, the beveled portions having plane surfaces.
In testimony whereof I affix my signature.
DR. ING. AUGUST LAUFER.
US257729A 1926-11-30 1928-02-28 Spike point Expired - Lifetime US1711393A (en)

Applications Claiming Priority (1)

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AT1711393X 1926-11-30

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US1711393A true US1711393A (en) 1929-04-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2383348A1 (en) * 1977-03-10 1978-10-06 Burstrom Bertil FIXING DEVICE INTENDED TO BE DRIVEN INTO A CONSTRUCTION MATERIAL

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2383348A1 (en) * 1977-03-10 1978-10-06 Burstrom Bertil FIXING DEVICE INTENDED TO BE DRIVEN INTO A CONSTRUCTION MATERIAL

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