US76309A - George bowling - Google Patents
George bowling Download PDFInfo
- Publication number
- US76309A US76309A US76309DA US76309A US 76309 A US76309 A US 76309A US 76309D A US76309D A US 76309DA US 76309 A US76309 A US 76309A
- Authority
- US
- United States
- Prior art keywords
- boom
- swivel
- george
- sling
- bowling
- 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
Links
- 238000010276 construction Methods 0.000 description 4
- 210000002356 Skeleton Anatomy 0.000 description 2
- 230000023298 conjugation with cellular fusion Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 239000002965 rope Substances 0.000 description 2
- 230000002522 swelling Effects 0.000 description 2
- 230000021037 unidirectional conjugation Effects 0.000 description 2
Images
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
- B63H9/10—Running rigging, e.g. reefing equipment
Definitions
- This invention relates to an improvement in the manner of slinging booms of'yawl-boats, sharpies, &c., and-for yvhat are commonly called'sprit-sails.
- This invention is designed to make the boom adjustable, so that it may be made to conform to the shrinking or swelling of the sail, and thus sustain the sail, and also avoid the chafing of the mast, as also to produce a sling which will sustain considerable amount of strain for other purposes; and the invention. consists in the construction of a metallic seat to sustain the boom, the said seat-- constructed so at several points to be pivoted to a swivel on the masts' strap, and so that the said boom may,-by the swivel and pivoting of the seat theretb, turn, as it'were, upon a universal joint.
- A is the mast-band, constructed in two parts, and hinged together, so as to be placed and clamped upon the mast by means of a nut or bolt, 13.
- a swivel, c'Z is attached, so as to turn freely in its bearing in the band.
- D is the booms1ing, which consists of a skeleton metallic frame, provided at one side with several ears,.f, which will fit into the swivel d, and are pivoted in the .said swivel by passing a bolt, z, through the swivel and one of the said earsf, as seen in figs. 1 and 2.-
- the boom O is secured with the sling D, and when it is desired to extend the boom, remove the pin 2', and place another of the earsfnearer the'rear end of the sling, within the swivel, and insert the pin z'in the same manner; or; to contract the boom, place one of the ears nearer the outer end, in the swivel, in the same manner.
- the boom on the swivel may be turned, as denoted in fig. 1, in either direction horizontally, or, as denoted in fig. 3, by means of the swivel, may be turned to any position vertically; and by this construction there is no liability to the chafing of the mast, and the arrangement is much stronger than that usually employed for supporting the boom.
- the sling D constructed so as. to receive the boom O and provided with ears f, and combined with the swivel d on the masts strap A, and the whole constructed so as to beadjustable'andoperate substantially in the manner herein set forth.
Description
G. DOWLING.
Spritsail Boom Sling.
No 76,309. Patented April 7, 1868.
I 52- Wp'fiwese 68 97050] PETERS, Pbmwh'hcgnvhir, Washington. D c.
. guitar! .tstw against @ffirr.
GEORGE DOWLING, OF FAIR HAVEN, CONNECTICUT.
Letters Patent No. 76,309, dated April 7, 1868.
IMPROVEMENT IN SPBITSAIL -BOOM SLINGS.
("the Stimuli were in in flgrsi ittiirrs pa e nth mating part Hi tlge tmltt.
TO ALL WHOM 11 MAY CONCERN:
Be it known that I, GEORGE DQWLING, of Fair Haven, in the county of New Haven, and State of Connecti-- cnt,have invented a new Improvement in Adjustable Boom-Sling; and I do hereby declare the following, whentalten in connection with the accompanying drawings, and the letters of, reference marked thereon,to be a full, clear, and exact description of the same, and which said drawings constitute part of this specification, and represent, in I Figure 1, a top view of the masts, strap, and sling,
Figure 2, a section on line x x, and in Figure 3, a? front view. v p
This invention relates to an improvement in the manner of slinging booms of'yawl-boats, sharpies, &c., and-for yvhat are commonly called'sprit-sails.
This invention is designed to make the boom adjustable, so that it may be made to conform to the shrinking or swelling of the sail, and thus sustain the sail, and also avoid the chafing of the mast, as also to produce a sling which will sustain considerable amount of strain for other purposes; and the invention. consists in the construction of a metallic seat to sustain the boom, the said seat-- constructed so at several points to be pivoted to a swivel on the masts' strap, and so that the said boom may,-by the swivel and pivoting of the seat theretb, turn, as it'were, upon a universal joint. t
In order to the clear understanding of my invention, I "will proceed to describe the same as illustrated in the accompanying drawings.
A is the mast-band, constructed in two parts, and hinged together, so as to be placed and clamped upon the mast by means of a nut or bolt, 13. Upon one side of the said strap, as at a, a swivel, c'Z, is attached, so as to turn freely in its bearing in the band. D is the booms1ing, which consists of a skeleton metallic frame, provided at one side with several ears,.f, which will fit into the swivel d, and are pivoted in the .said swivel by passing a bolt, z, through the swivel and one of the said earsf, as seen in figs. 1 and 2.-
The boom O is secured with the sling D, and when it is desired to extend the boom, remove the pin 2', and place another of the earsfnearer the'rear end of the sling, within the swivel, and insert the pin z'in the same manner; or; to contract the boom, place one of the ears nearer the outer end, in the swivel, in the same manner. Thus arranged, the boom on the swivel may be turned, as denoted in fig. 1, in either direction horizontally, or, as denoted in fig. 3, by means of the swivel, may be turned to any position vertically; and by this construction there is no liability to the chafing of the mast, and the arrangement is much stronger than that usually employed for supporting the boom.
At the rear end of the sling I arrange a pulley, 19, around which a rope may be placed to aid in the adjustment of the sling. Y
Having thus fully described myinvention, what I claim as new and useful, and desire to secure by Letters Patent, is- I,
The sling D, constructed so as. to receive the boom O and provided with ears f, and combined with the swivel d on the masts strap A, and the whole constructed so as to beadjustable'andoperate substantially in the manner herein set forth.
GEORGE DOWLING.
Witnesses A. J. Tnznrrs, J. H. SHUMWAY.
Publications (1)
Publication Number | Publication Date |
---|---|
US76309A true US76309A (en) | 1868-04-07 |
Family
ID=2145812
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US76309D Expired - Lifetime US76309A (en) | George bowling |
Country Status (1)
Country | Link |
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US (1) | US76309A (en) |
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0
- US US76309D patent/US76309A/en not_active Expired - Lifetime
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