US42072A - Improved lazy-jack for sails - Google Patents
Improved lazy-jack for sails Download PDFInfo
- Publication number
- US42072A US42072A US42072DA US42072A US 42072 A US42072 A US 42072A US 42072D A US42072D A US 42072DA US 42072 A US42072 A US 42072A
- Authority
- US
- United States
- Prior art keywords
- ropes
- sails
- jack
- boom
- sail
- 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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- 239000002965 rope Substances 0.000 description 34
- 240000001973 Ficus microcarpa Species 0.000 description 2
- 241000272168 Laridae Species 0.000 description 2
- 210000001138 Tears Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000414 obstructive Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B15/00—Superstructures, deckhouses, wheelhouses or the like; Arrangements or adaptations of masts or spars, e.g. bowsprits
- B63B15/02—Staying of masts or of other superstructures
Definitions
- My invention relates to a new and useful improvement in what are known in seamens language as lazy-jacks,77 which, as hitherto constructed, consist of two sets of ropes attached at several points to each side of the boom between the top lift77 and mast, and earried up and attached to the mast-head. Between these two sets of ropes the sail and gatt' work. These ropes or lazy-jacks being lixedt'. e., secured, at their ends, as above stated-they frequently tear and form a serious obstruction to the sail in moving it up and down.
- the object of my invention is to so construct and apply ropes or lazy-jacks to vessels ot' any and ever-y description requiring them, that they will answer all the purposes ot' those hitherto used, and at the same time not obstruct the movements of the sails in running them up or down, nor interfere in any manner with the accustomed wolk of the sailors in this respect.
- FIG. l of the accompanying drawings represen'ts my invention applied to a sloop; butI wish it to be distinctly understood that I do not limit its application to any particular description of vessels.
- a is the mast, b the cross-trees applied to the head thereof in the usual manner, and c the boom.
- a similar endless rope, f, is applied to the oppoy site set of pulleys l d and g', as shown in Fig. 2, thus forming on each side of the sail (which is indicated in red) traveling or endless jacks which will freely move over the pulleys and allow the sail to be hauled down even should it become engaged in any manner with either one of these ropes.
- the sail is supported, when set to the wind, by either one or the other of these jacks, which are loosened or tightened by the single ropes e e', according to circumstances, and in lowering sail the endless ropes will serve as guides for conductingit down properly upon the boom to be furled.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Ropes Or Cables (AREA)
Description
UNITED STATES PATENT OFFICE.
SAMUEL B. BUTLER, OF MIDDLETOVN, CONNECTICUT.
IMPROVED LAZY-JACK FOR SAILS.
Specitication forming part of Letters Patent N0. 42,072. dated March 29, 1864.
To @ZZ whom t may concern.-
Be it known that I, S. B. BUTLER, ot' Middletown, county of Middlesex, State ot' Connecticut, have invented a new and useful Improvement in Sail-Vessels; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, making a part of this specitication, in which- Figure l is a side view ot' a sloop having my invention applied to it. Fig. 2 is a stern view of the mast and rigging ot' Fig. l. Fig. 3 is a top view of the boom, enlarged. Fig. 4 is an enlarged View of one of the top sheaves, showiiI g tle suspension and jack ropes applied to it.
.Similar letters of reference indicate correspcnrling parts in the several figures.
My invention relates to a new and useful improvement in what are known in seamens language as lazy-jacks,77 which, as hitherto constructed, consist of two sets of ropes attached at several points to each side of the boom between the top lift77 and mast, and earried up and attached to the mast-head. Between these two sets of ropes the sail and gatt' work. These ropes or lazy-jacks being lixedt'. e., secured, at their ends, as above stated-they frequently tear and form a serious obstruction to the sail in moving it up and down.
The object of my invention is to so construct and apply ropes or lazy-jacks to vessels ot' any and ever-y description requiring them, that they will answer all the purposes ot' those hitherto used, and at the same time not obstruct the movements of the sails in running them up or down, nor interfere in any manner with the accustomed wolk of the sailors in this respect.
To enable others skilled in the art to understand my invention, I will describe its construction and operation.
Fig. l of the accompanying drawings represen'ts my invention applied to a sloop; butI wish it to be distinctly understood that I do not limit its application to any particular description of vessels.
a is the mast, b the cross-trees applied to the head thereof in the usual manner, and c the boom. These parts, together with the sail and its gaff, need not diit'er in any respect from similar parts hitherto used.
At suitable points between the ends of the boom c, I apply, on each side thereof, two sheaves, d d, arranged in pairs opposite each other, as clearly shown in Fig. 3. These sheaves are applied within boxes or blocks which are rigidly secured to the sides of the boom, so that they will not be in the way of thesail in furling it on the boom.
Near the mast-head and suspended by two l single ropes, e c', are two sheaves or pulleys, g g. lhe ropes e e pass through the eyes or pulleys f j' under the cross-trees b, Figs. l and 2, andare carried down and attached to cleats h on the boom. One of these cleats is shown in Fig. l, the other being on the opposite side of the boom. A rope is now passed over the sheave g, carried down and passed under the two pulleys or sheaves d d, corresponding to the pulley g, and its ends are properly attached together, so as to form the endless rope k. (Represented in Fig. l.) A similar endless rope, f, is applied to the oppoy site set of pulleys l d and g', as shown in Fig. 2, thus forming on each side of the sail (which is indicated in red) traveling or endless jacks which will freely move over the pulleys and allow the sail to be hauled down even should it become engaged in any manner with either one of these ropes. The sail is supported, when set to the wind, by either one or the other of these jacks, which are loosened or tightened by the single ropes e e', according to circumstances, and in lowering sail the endless ropes will serve as guides for conductingit down properly upon the boom to be furled. Thus it will be seen that instead ot' using Xed rigging, as hitherto,I employ running ropes in such mannery that should the sail become entangled in any one of them, still it may be moved either up or down freely. Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is y v l. The endless ropes k k and pulleys d d and g g', in combination with the single ropes e c', arranged and operating substantially as and for the purposes set forth.
2. Adapting endless ropes for use as lazyjacks, substantially as described.
SAMUEL B. BUTLER.
Witnesses:
J As. C. FERREE, T. R. PARKER.
Publications (1)
Publication Number | Publication Date |
---|---|
US42072A true US42072A (en) | 1864-03-29 |
Family
ID=2111638
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US42072D Expired - Lifetime US42072A (en) | Improved lazy-jack for sails |
Country Status (1)
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US (1) | US42072A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170131424A1 (en) * | 2003-10-04 | 2017-05-11 | SeeScan, Inc. | Sondes & methods for use with buried line locator systems |
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0
- US US42072D patent/US42072A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170131424A1 (en) * | 2003-10-04 | 2017-05-11 | SeeScan, Inc. | Sondes & methods for use with buried line locator systems |
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