DE1604094U - METAL SPEAR. - Google Patents

METAL SPEAR.

Info

Publication number
DE1604094U
DE1604094U DE19491604094 DE1604094U DE1604094U DE 1604094 U DE1604094 U DE 1604094U DE 19491604094 DE19491604094 DE 19491604094 DE 1604094 U DE1604094 U DE 1604094U DE 1604094 U DE1604094 U DE 1604094U
Authority
DE
Germany
Prior art keywords
spear
metal
wood
metal spear
spearmen
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
Application number
DE19491604094
Other languages
German (de)
Inventor
Helmut Heinrich Schmidt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DE19491604094 priority Critical patent/DE1604094U/en
Publication of DE1604094U publication Critical patent/DE1604094U/en
Expired legal-status Critical Current

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  • Piles And Underground Anchors (AREA)

Description

Beschreibung z Met a 11 s p e e r Gegenstand der vorliegenden Erfindung ist ein Speer, dessen Speerträger aus Stahlrohj ? gefertigt ist, wobei die Enden des Speerträgers konisch ausgebildet sind. Im Gegensatz zu den Ausführungen aUF Holz, massiv oder verleimt, soll durch die zu schützende Verwendung von Stahrohr eine bessere Haltbarkeit erzielt werden. Es hat sich beim Gebrlähh herausgestellt, daß erstens einmal'' der Holzspeer durch unsachgemässen Wurf sehr leicht beschädigt wird, wenn der Speer nicht korrekt in den Boden eindringt, son- dern verkantet auf den Boden aufschlägt. Zweitens überstehen Speere, die aus Holz gefertigt sind, nur unter beson eren Vor- sichtsmassnamä. n die durch Temperatur und Feuchtigkeit des Winters hervorgerufenen Änderungen, da bekanntlich Holz unter der Einwirkung von Feuchtigkeit und Temperatur arbeitet und dadurch sich die Speere verziehen, d. h. krumm werden. Drittens entfallen beim Metallspeer die inneren Schwingungen eins Holzspeeres und dadurch bedingt, die kreiselförmigen Schwingungen am Speerende, die den Flug des Speeres im ausmaß der Schwingun behindern, da der Metallspeer auch eine grösser-e Stabilität in der Horizontalrichtung aufwpist. Es wird ein abso- lut gleichmässiger und schwingungsfreier, ruhiger Flig des Speeres gewährleistet. Auch Ausführungen aus Leichtmetall haben keine zufriedenstellende lösung bringen können, selbst wenn man zur Verstärkung an den be- sonders beanspruchten Stellen Stahleinlagen eingezogen hatte. Einen weiteren Vorteil bietet die Verbindung von Speerträgern a mit Spitze b. Der Speziell zur Befestigung angeordnete Konus verbindet Spitze und Speerträger so schliessend, daß die dpfurch gezogene Niete lediglich zur Sicherung dieser Verbindung zu dienen hat. Zuletzt kann auf den Stahlkörper des Speeres jegliche Art von Oberflächenschutz und Oberflächenveredlung leichter aufgetragen werdai als auf Holz bezw. Leichtmetall. - A Description z Met a 11 spear The present invention is a spear whose Spear bearers made of steel rod? is made, the ends of the Spearmen are conical. In contrast to the versions made of wood, solid or glued, is supposed to be a better one through the use of steel pipe to be protected Durability can be achieved. It turned out at Gebrlähh that first of all '' the wooden spear is easily damaged by improper throw if the spear does not penetrate the ground correctly, but rather which hits the ground at an angle. Second, survive Spears made of wood should only be used with special precautions. visual massnamä. n the temperature and humidity of the Changes caused by winter, as wood is known to be under the action of moisture and temperature works and thereby the spears warp, that is, become crooked. Thirdly, the metal spear does not have any internal vibrations a wooden spear and therefore the top-shaped one Vibrations at the end of the spear, which increased the flight of the spear hinder the swing, because the metal spear also has a larger e Stability in the horizontal direction. It will be an absolute lut more even and vibration-free, calm flies of the spear guaranteed. Designs made of light metal are also unsatisfactory can bring a solution, even if one is to reinforce the specially stressed areas had drawn in steel inserts. Another advantage is the connection of spearmen a with tip b. The cone specially arranged for fastening connects point and spear-bearer so tightly that the dpfurch drawn rivets are only used to secure this connection Has. Finally, any kind of Surface protection and surface finishing applied more easily werdai as on wood respectively. Light metal. - A

DE19491604094 1949-12-30 1949-12-30 METAL SPEAR. Expired DE1604094U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19491604094 DE1604094U (en) 1949-12-30 1949-12-30 METAL SPEAR.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19491604094 DE1604094U (en) 1949-12-30 1949-12-30 METAL SPEAR.

Publications (1)

Publication Number Publication Date
DE1604094U true DE1604094U (en) 1950-03-30

Family

ID=29281286

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19491604094 Expired DE1604094U (en) 1949-12-30 1949-12-30 METAL SPEAR.

Country Status (1)

Country Link
DE (1) DE1604094U (en)

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