US1431771A - Chain link - Google Patents

Description

H. BERGLUND.

CHAIN LINK. APPLICATION FILED JAN.30, I922.

1,431,7m, Patentd 0@t.10,1922.

Patented] Oct. lG, 1922. v

MITED STATES 1 acres.

HERMAN IBERG-LUND, or DULUTH, MINNESOTA.

CHAIN LiNK.

Application filed January 30, 1922. Serial No. 532,809.

To all whom it may concern: opposite to that of the calks,'is arched slightly Be it known that- I, HERMAN BERGLUND, a inwardly, as at 3, to more snugly fit the citizen of the United States, residing at circumferential transverse face of a tire. 40 Duluth, in the county of St. Louis and State Another novelty of my present invention 5 of Minnesota, have invented certain new and is that the outer walls of the calk portions useful Improvements in Chain Links, of 1 of the links are battered inwardly to form which the following is a specification, refera more efficient ground engaging link. ence being had therein to the accompanying Having thus described my invention, what 45 drawing. Y I claim and desire to secure by Letters Pat- This invention relates to chain links and cut, is: V

has special reference to an anti-skid chain 1. A calked chain link of the character defor automobiles, and the primar object is scribed comprising a substantially diamond to produce a more eflicient an practical shaped body portion the greater extremities 50 anti-skid chain link than heretofore known. of which are substantially round and twisted Other objects and advantages of the infor cooperative connection with other links vention will appear in the further descripof like structure, and the lesser extremities tion thereof. of which are in the form of an obtuse angle Referring to the accompanying drawing in plan view and having ground engaging 55 forming 'part of this application and in calked portions upstanding therefrom. which like reference characters indicate 2. A calked chain link of the character delike parts: scribed comprising asubstantially diamond Figure 1 is a side elevation of one of my shaped body portion the greater extremities improved links, of which are substantially round and twisted 60 Figure 2 is a top plan view of the same, for cooperative connection with other links Figure 3 is an end elevation, and of like structure, and the lesser extremities Figure 4 is"'a transverse sectional view on of which are in the form of an obtuse angle the line 44, Figure 2. in plan view having ground engaging calked The link comprises an open, oblong, someportions upstanding therefrom, and the back 65 what diamond shaped, member, having 0bof the link being arched inwardly towards tuse angularly shaped laterally extending the ground engaging portion, substantially ground engaging oalks, indicated at 1, while as and for the purpose described. the end terminals of the link are round in In testimony whereof I hereunto affix my cross section and twisted, as at 2 for coopsignature in the presence of two witnesses. 70v

er ative engagement with a similarly shaped HERMAN BERGLUND.

link whereby a plurality of links when thus Witnesses: I 1 engaged will rest upright upon a flat sur- S. C. BRONSON,

face, and the tire engaging back of each link, S. Gn'o. STEVENS.

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