Wednesday, August 31, 2016

L. Francis Herrreshoff - Patent US1613890 - Sailboat - Google Patents

L. Francis Herreshoff designed my boat - a Buzzards Bay 14.

L. Francis Herreshoff Patent US1613890 - Sailboat - Google Patents





DESCRIPTION  (OCR text may contain errors)
1,613, 90 11 1927' L. F. HERRESHOFF 8 SAIL BQA'I Filed Dec. 11, 1925 3 Sheet's-Sheet 1 Jan. 11 1927.

1,613,890 L. F. HERRESHOFF SAIL BOAT Filed Dec. 11 1925 3 Sheets-Sheet 2 INVENTOR.

fl; ATTORNEY.

Jan. 11 1927.

| F. HERRESHOFF SAIL son Filed Dec. 11,

1925 3 Sheets-Sheet 3 INVEN TOR.

6 ATTORNEY.

Patented Jan. 11, 1927.

UNITED STATES 1,613,890 PATENT OFFICE.

LEWIS FRANCIS HERRESHOFF, 01' BRISTOL, RHODES ISLAND.

SAILBOA'I'.

Application flied December 11, 1925, Serial lilo. 74,728.

This invention relates to various types of sailing craft, hereinafter referred to as sail boats, and is more especially concerned with such craft designed for racing purposes.

The invention has for its chief object to improve the mast and sail construction of sail boats with a view to increasing their efficiency.
The nature of the invention will be readily understood from the following description when read in connection with the accompanying drawings, and the novel features will be particularly pointed out ll]. the appended claims.

In the drawings- Figure 1 is a perspective view of a sail boat embodying its invention;

Figs. 2 and 3 are diagrammatic views, partly in cross-section, showing the position of the sails and mast in tacking;

Fig. 4 is a cross-sectional perspective view illustrating certain details of the mast construction and the means for securing the stays and sails thereto;

Fig'. 5 is a vertical, cross-sectional view through the step bearing for the mast- Fig. 6 is a horizontal cross sectional view showing another method of fastening the sail to a mast; and

Fig. 7 is a vertical cross-sectional view through the hearing at the lower end of the spar which serves as a stay for the mast.

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