US727717A - Mast-hoop. - Google Patents
Mast-hoop. Download PDFInfo
- Publication number
- US727717A US727717A US9149102A US1902091491A US727717A US 727717 A US727717 A US 727717A US 9149102 A US9149102 A US 9149102A US 1902091491 A US1902091491 A US 1902091491A US 727717 A US727717 A US 727717A
- Authority
- US
- United States
- Prior art keywords
- mast
- hoop
- sail
- projections
- projection
- 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 - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H9/00—Marine propulsion provided directly by wind power
- B63H9/04—Marine propulsion provided directly by wind power using sails or like wind-catching surfaces
- B63H9/08—Connections of sails to masts, spars, or the like
Definitions
- This invention relates to mast-hoops for vessels; and its object is to provide a device of this character which may be clasped about a mast and readily manipulated to engage the thimble and rope of a sail.
- a further object of the invention is to provide a mast-hoop which can be easily removed and replaced if broken and which can be readily detached from the sail when it is desired to remove the latter for cleaning, repairs, or storage.
- Figurel is a plan view of the mast-hoop embodying the invention.
- Fig. 2 is an edge view of the same.
- My lmproved hoop comprises two semicircular sections A and B, one of which is provided at one end with parallel perforated cars X Z and at its opposite end with a projection N.
- the other section A is formed at one end with an ear Y, held pivotally between the ears X and Z by a suitable pin, and at its opposite end with a projection M, corresponding to the projection N of the other section.
- the inner face of the projection M is formed with a curved recess 1 and is also recessed to form a concave surface 2 and a convex surface 3.
- the two projections M and N are formed with openings, one of which may be threaded to receive a thumb-screw Q, and when said projections are brought together and secured by the thumb-screw the two curved'recesses land 4 form a circular seat for the rope secured along the luff of the sail.
- the junction of the curved recesses 1 and 4c, concave surfaces 2 and 5, and convex 5 surfaces 3 and 6 serves to form approximately triangular spaces behind the thu mb-screw to permit a slight play of the sail without frictional wear against the projections M and N. This provision of means for entering but not rigidly binding upon a cringle or eye is an important feature of my invention.
- the convex projections formed by the rounded surfaces 6 closely approach each other within the cringle, but do not bind upon the eye, thus
- the projection N is also formed with. 35 a curved recess 4, a concave surface 5, and a affording an easy and effectual support for the sail without any liability of tearing or creasing at these fastening-points.
- each of the sections of the hoop are each formed of metal in a single piece, aluminium being preferably employed. It is not essential, however, that each of the sections should consist of an integral casting, as said sections may be made up of connected parts, if desired, and any suitable material may be employed in their manufacture.
Description
PATENTBD MAY 12, 1903.
R. W. VAIL.
MAST HOOP. APPLIOATION FILED JAN. 27, 1902.
H0 MODEL.
Wz'incs sea No. ta /371v.
UNITED STATES Patented 'May 12, 1903 ROBERT W. VAIL, OF NEW "YORK, NpY.
. MAST-HOOP;
SPECIFICATION forming part of Letters Patent No. 727,717, dated May 12, 1903. Application filed January 27, 1902. Serial No. 91,491. (No model.)
ed certain new and useful Improvements in Mast-Hoops, of which the following is a specification.
This invention relates to mast-hoops for vessels; and its object is to provide a device of this character which may be clasped about a mast and readily manipulated to engage the thimble and rope of a sail.
A further object of the invention is to provide a mast-hoop which can be easily removed and replaced if broken and which can be readily detached from the sail when it is desired to remove the latter for cleaning, repairs, or storage. p
In the drawings, Figurel is a plan view of the mast-hoop embodying the invention, and
Fig. 2 is an edge view of the same.
My lmproved hoop comprises two semicircular sections A and B, one of which is provided at one end with parallel perforated cars X Z and at its opposite end with a projection N. The other section A is formed at one end with an ear Y, held pivotally between the ears X and Z by a suitable pin, and at its opposite end with a projection M, corresponding to the projection N of the other section.
The inner face of the projection M is formed with a curved recess 1 and is also recessed to form a concave surface 2 and a convex surface 3.
convex surface 6. The two projections M and N are formed with openings, one of which may be threaded to receive a thumb-screw Q, and when said projections are brought together and secured by the thumb-screw the two curved'recesses land 4 form a circular seat for the rope secured along the luff of the sail. The junction of the curved recesses 1 and 4c, concave surfaces 2 and 5, and convex 5 surfaces 3 and 6 serves to form approximately triangular spaces behind the thu mb-screw to permit a slight play of the sail without frictional wear against the projections M and N. This provision of means for entering but not rigidly binding upon a cringle or eye is an important feature of my invention. The convex projections formed by the rounded surfaces 6 closely approach each other within the cringle, but do not bind upon the eye, thus The projection N is also formed with. 35 a curved recess 4, a concave surface 5, and a affording an easy and effectual support for the sail without any liability of tearing or creasing at these fastening-points.
The operation and advantages of my improvement will be readily understood and appreciated. When it is desired to rig a vessel and a sufficient number of hoops of suitable size have been secured, they are passed about the mast and secured upon the luff of the sail until as many as are required have been attached. The said rope passes into the space or seat R of each hoop, and the sail-thimbles are held between the rounded faces of the projections, the thumb screws extending therethrough. It will be obvious that the sails may be quickly removed by loosening the screw and disconnecting the projections.
As shown in the drawings, the two sections of the hoop are each formed of metal in a single piece, aluminium being preferably employed. It is not essential, however, that each of the sections should consist of an integral casting, as said sections may be made up of connected parts, if desired, and any suitable material may be employed in their manufacture.
.Having thus described my invention, I claim and desire to secure by Letters Patent- A mast-hoop comprising two semicircular section's centrally pivoted at the rear thereof, each section having a perforated projection extending from its front end and adapted to meet and abut against each other, and the projections thus opposed being so recessed and formed as to afford a secure seat for the rope, a space in which the edge of the sail may play slightly, and convex projections formed with rounded surfaces extending around the ends of the projections to loosely enter and closely approach each other within a sail-eye, and a thumb-screw passing through the perforations therein and' adapted to hold the parts together and upon the sail while permitting play of the eye around the holding device thus formed, substantially as set forth.
In witness whereof I have hereunto set my hand, this 25th day of January, 1902, in the presence of the subscribing witnesses.
' ROBERT W. VAIL.
Witnesses:
ELIZABETH A. VAIL, WILLIAM PRICE, Jr.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9149102A US727717A (en) | 1902-01-27 | 1902-01-27 | Mast-hoop. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9149102A US727717A (en) | 1902-01-27 | 1902-01-27 | Mast-hoop. |
Publications (1)
Publication Number | Publication Date |
---|---|
US727717A true US727717A (en) | 1903-05-12 |
Family
ID=2796226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US9149102A Expired - Lifetime US727717A (en) | 1902-01-27 | 1902-01-27 | Mast-hoop. |
Country Status (1)
Country | Link |
---|---|
US (1) | US727717A (en) |
-
1902
- 1902-01-27 US US9149102A patent/US727717A/en not_active Expired - Lifetime
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