US713608A - Course-indicator for ships. - Google Patents

Course-indicator for ships. Download PDF

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Publication number
US713608A
US713608A US6732501A US1901067325A US713608A US 713608 A US713608 A US 713608A US 6732501 A US6732501 A US 6732501A US 1901067325 A US1901067325 A US 1901067325A US 713608 A US713608 A US 713608A
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Prior art keywords
ships
indicator
course
disk
case
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Expired - Lifetime
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US6732501A
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William J Condlon
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
    • B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
    • B44D3/38—Cord line chalkers

Definitions

  • This invention is an apparatus to be used on board ship for the purpose of calculating the amount of leeway a vessel is making, and is therefore in the nature of a compass.
  • the invention consists in the peculiar construction of the various parts and in their novel combination and arrangement, all of which will be fully described hereinafter and pointed out in the claim.
  • Figure l is a diagrammatic view showing the practical application of the invention.
  • Fig. 2 is a perspective view of the device.
  • Fig. 3 is a longitudinal section, and
  • Fig. 4 is a perspective view, of the rod to which the log-line is attached.
  • I employ a box or case A, having a glass top A. Pivoted centrally within the casing is a rod D, upon which is fixedly secured a circular disk B, having its upper surface subdivided similar to the divisions of a compass, and in practice I may arrange the usual compass-marks thereof if found desirable.
  • the disk is fastened to the rod in any suitable manner, but preferably by set-screws, as shown, and one end of the rod protrudes through a slot formed in the side of the case and has its end terminating in an eye D', to which the log-line E is fastened.
  • an indicator-point C which is made V-shaped in construction, with the extreme point approaching and nearly touching the periphery of the disk, as shown.
  • myinvention is preferably used in connection with a taffrail-log, the latter being arranged between the propeller-wheel and my improvement, although this arrangement is not essential, as myimprovement may be used separately, as shown in the drawings, and in order to find out how much leeway the vessel is making the dial or disk B is set at the same point with the vessels compass.
  • Thelog-line is then attached to the arm D and cast over the stern of the vessel and the time taken. If the vessel makes leeway, the log-line will move to. that quarter and the exact amount will be shown upon the dial or disk B. After running a certain time or distance the dial or disk is compared with the ships compass and the leeway made can be accurately figured.
  • the stationary point O is always in direct line with the head of the vessel.
  • the combination with a box or case having a stationary point at its forward end and a horizontal slot at its rear end, a dial or disk arranged centrally of the case, and an arm pivoted within the casing and attached to the said disk or dial and projecting through the slotted end of the box or case, the end of said arm having an eye to which the log-line is attached, substantially as set forth.

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  • Displays For Variable Information Using Movable Means (AREA)

Description

No. 7I3,608. Patented N'ov. I8, |902.
W. J. CDNDLDN.
COURS-E INDICATOR FUR SHIPS.
(Application mea July e, 190.1.)
(No Model.)
- INVENTOR 'I//fTA/5551135,-v 'zliamr/ I Endloz l I r l 4l/0mg;
UNITED STATES l PATENT OFFICE.
WILLIAM J. OONDLON, OF BUFFALO, NEW YORK.
COURSE-INDICATOR FOR SHIPS.
SPECIFICATION forming part of Letters Patent No. 713,608, dated November 18, 1902.
Application led .Iuly 6, 1901. Serial No. 67,325. (No model.)
J0 all whom, it may concern:
Beit known that I, WILLIAM J. CoNDLoN, a citizen of the United States, residing at Buffalo, in the county of Erie and State of New York, have invented a new and useful Course- Indicator for Ships, of which the following is a specification.
This invention is an apparatus to be used on board ship for the purpose of calculating the amount of leeway a vessel is making, and is therefore in the nature of a compass.
The invention consists in the peculiar construction of the various parts and in their novel combination and arrangement, all of which will be fully described hereinafter and pointed out in the claim.
In the drawings forming part of this specification, Figure lis a diagrammatic view showing the practical application of the invention. Fig. 2 is a perspective view of the device. Fig. 3 is a longitudinal section, and Fig. 4 is a perspective view, of the rod to which the log-line is attached.
In carrying out my invention I employ a box or case A, having a glass top A. Pivoted centrally Within the casing is a rod D, upon which is fixedly secured a circular disk B, having its upper surface subdivided similar to the divisions of a compass, and in practice I may arrange the usual compass-marks thereof if found desirable. The disk is fastened to the rod in any suitable manner, but preferably by set-screws, as shown, and one end of the rod protrudes through a slot formed in the side of the case and has its end terminating in an eye D', to which the log-line E is fastened. At a point within the case and preferably upon the opposite side to the slot I securely fasten an indicator-point C, which is made V-shaped in construction, with the extreme point approaching and nearly touching the periphery of the disk, as shown.
It will be observed from Fig. 4 that the rod D is made with eyes, through which the pivot and set-screws pass; but in practice I may construct this bar in any suitable way, and therefore do not limit myself to the construction shown in said figure.
In practice myinvention is preferably used in connection with a taffrail-log, the latter being arranged between the propeller-wheel and my improvement, although this arrangement is not essential, as myimprovement may be used separately, as shown in the drawings, and in order to find out how much leeway the vessel is making the dial or disk B is set at the same point with the vessels compass. Thelog-line is then attached to the arm D and cast over the stern of the vessel and the time taken. If the vessel makes leeway, the log-line will move to. that quarter and the exact amount will be shown upon the dial or disk B. After running a certain time or distance the dial or disk is compared with the ships compass and the leeway made can be accurately figured. v It will be understood that the stationary point O is always in direct line with the head of the vessel.
It will thus be seen that I provide an ex= ceedingly simple and efficient device for calculating the amount of leeway made by a ves sel in a given length of time.
Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-
In a device of the kind described, the combination with a box or case having a stationary point at its forward end and a horizontal slot at its rear end, a dial or disk arranged centrally of the case, and an arm pivoted within the casing and attached to the said disk or dial and projecting through the slotted end of the box or case, the end of said arm having an eye to which the log-line is attached, substantially as set forth.
WILLIAM J. CONDLON.
Witnesses:
W. R. FISH, OIIAs. AMSTRONG.
US6732501A 1901-07-06 1901-07-06 Course-indicator for ships. Expired - Lifetime US713608A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US6732501A US713608A (en) 1901-07-06 1901-07-06 Course-indicator for ships.

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US6732501A US713608A (en) 1901-07-06 1901-07-06 Course-indicator for ships.

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US713608A true US713608A (en) 1902-11-18

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2807887A (en) * 1955-03-22 1957-10-01 James C Webb Measuring tape level indicating device
US3149419A (en) * 1963-04-01 1964-09-22 Frank R Koznarski Method of and apparatus for trolling
WO2013188522A2 (en) 2012-06-12 2013-12-19 Genentech, Inc. Methods and compositions for generating conditional knock-out alleles

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2807887A (en) * 1955-03-22 1957-10-01 James C Webb Measuring tape level indicating device
US3149419A (en) * 1963-04-01 1964-09-22 Frank R Koznarski Method of and apparatus for trolling
WO2013188522A2 (en) 2012-06-12 2013-12-19 Genentech, Inc. Methods and compositions for generating conditional knock-out alleles

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