USD30450S - Design for a bicycle fork-crown - Google Patents

Description

0Q D BOMSO DlZ-llB.

DESIGN.

Patanted Mar. 28, I899.

Ila. 30,450.

N. BEBGLUNO.

BICYCLE FORK CROWN.

lAppli-eaioa M In. 88, 1800.1

UNITED STATES PATENT OFFICE.

NlLS BERGLUND, OF FITCHBURG, MASSACHUSETTS, ASSIGNOR TO MARY ELIZABETH JOHNSON, OF SAME PLACE, EXECUTRIX OF IVER JOHNSON,

DECEASED.

DESlGN FOR A BICYCLE FORK-CROWN.

SPECIFIbATION forming part of Design No. 30,450, dated March 28, 1899.

Application filed February 23. 1899. Serial No. 707,223. Term of patent 7 years.

To all whom it may concern:

Be it known that I, NILS BERGLUND, a subjeot of the King of Sweden and Norway, residing at Fitchburg, in the county of Worcester and Com monwealth of Massachusetts,have invented and produced a new and original Design for Bicycle Fork-Crowns,oi' which the following is a specification.

The design relates to the shape or con figuration of a bicycle fork-crown, as represented in the accompanying drawings, in which- Figure 1 represents a front elevation of a bicycle fork crown embodying my design. Fig. 2 is a top view of the same. Fig. 3 is a central sectional view on line 3 3, Fig. 2; and Fig. 4 is a bottom view.

Similar letters refer to similar parts in the several views.

The essential feature of my invention consists of two vertical parallel sides, which are oval in their cross-section, connected near their ends by two curved or arched members of approximately the samecurvature with the upper ends of said straight sides projecting above the upper curved member, so as to form horizontal shoulders, together forming a douhie-arch crown with the ends of each of the arched members merging into the vertical sides.

A A represent the vertical sides,which are gavel in cross-section, as represented at A A,

B denotes the upper curved member of the double-arch crown, provided with a circular hole B and having a circular raised shoulder B and a circular hub B concentric with the hole B.

C denotes the lower curved member, having a circular hole 0' beneath the hole B in the upper curved member B.

The curvature of the upper and lower members B and O are approximately the same, so that the ends of the arched members, if produced, would meet at some distance outside the vertical sides A A, and the ends of the curved portions are united to the vertical sides A A, with the curved planes of the members B and 0 cutting the vertical plane of the sides A A. The upper curved member B is oval in cross-section with its edges thinner than its center, while the lower curved member 0 is substantially of the same thickness throughout its entire width.

The opposite edges of both the upper and lower curved members B and C presentcn rved outlines, said members being slightly wider through their central section than at their ends, as shown by the curved lines D D and E E in Figs. 2 and 4. The upper ends of the vertical sides A A form horizontal projecting shoulders A A, presenting horizontal planes cutting the curved nppersnrface of the curved member B.

I claim as my invention--- The design for a bicycle fork-crown herein shown and described.

Dated this 20th day of February, 1899.

NILS BERGLUND.

Witnesses:

Gusmr ELLSTROM, Cass. E. WARE.

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