US19196A - Tidal alaem - Google Patents
Tidal alaem Download PDFInfo
- Publication number
- US19196A US19196A US19196DA US19196A US 19196 A US19196 A US 19196A US 19196D A US19196D A US 19196DA US 19196 A US19196 A US 19196A
- Authority
- US
- United States
- Prior art keywords
- float
- tidal
- bell
- chains
- chain
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 2
- 230000001174 ascending Effects 0.000 description 2
- 238000009527 percussion Methods 0.000 description 2
- 239000002965 rope Substances 0.000 description 2
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/56—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements
- G01F23/58—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements using mechanically actuated indicating means
Definitions
- Fig. 2 is a longitudinal sectional view.
- Fig. 3 a section of the well and float.
- Fig. 4 a top View of said well and float.
- Fig. 5 an end elevation of the building or case inclosing the wheel work.
- Fig. 6, a sectional end view.
- Fig. 7 a side elevation of the bell, and the cover of the striking apparatus.
- the object of the above mentioned invention or tidal alarm is to warn mariners, during a fog, of their vicinity to a coast, reef or some place of danger.
- awell or upright box A (see Figs. 3, and, 4,) built up or placed within the water or sea, where the tide may ebb and flow or rise and fall within the said well or box.
- a float B having a long upright stem C, arranged so as to play freely in a vertical direction through a guide frame D.
- the chain E from thence is carried over a guide pulley, a, while the chain, F, is carried under another guide pulley, I), both the said pulleys being aflixed to the frame, D.
- the chains are led toward the case or house, G, which covers the wheel work or mechanism for sounding or striking a bell, H, which is arranged near to the said house, as shown in the drawings.
- the bell shall be sounded during the ebb, as well as during the flow of the tide. For this purpose, it becomes neces- Windlass barrels L, M, that rotate freely on it.
- each of these barrels at or near its outer end abuts against a ratchet N, or N, on a shaft, K, and besides, each barrel carries one or more pawls, O, to Work into the ratchet in order that when the Windlass barrel is put in rotation in one direction, it shall rotate the shaft, K, and when put in rotation in the opposite direction, such Windlass barrel shall rotate freely on the shaft.
- the two chains F, and E are led from the pulleys, b, a, to and over pulleys, c, d, arranged in the front end of the box or house, G. From the said pulleys the chains pass respectively and are attached to the Windlass barrels, L, M. Furthermore, from each Windlass barrel a chain, P, carrying a weight, R, depends as shown in the drawlngs.
- the gear, I works in a pinion, 3, carried by a horizontal shaft, T, on which is another gear, U, that engages with a pinion, V, fixed on a cam shaft, WV, carrying wipers or cams, X, X, which act against lever hammers Y, Y, during the rotation of the shaft, WV, so as to put them in action in a manner to cause them alternately and repeatedly to sound the bell, each hammer falling on a reaction spring, Z, by which it may be raised out of contact with the bell immediately after each percussion or blow of it thereon.
- leading chains and apparatus as described, I am enabled to arrange the bell and striking apparatus at any distance from the float it being desirable to operate the bell in a high position rather than very near to the surface of the sea.
- My improved tidal alarm constructed with the two Windlass barrels, the ratchets and pawls, the reversing chains and Weights and the two float chains arranged and applied in connection With the striking mechanism and the float and its stem or rod and so as to operate therewith, substantially as described.
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Lowering Means (AREA)
- Farming Of Fish And Shellfish (AREA)
Description
' 2 Sheets-Sheet 1. A. HILDRETH.
Tidal 'Alarm. v
Patented Jan. 26, 1858.
Tidal Alarmi Patented Jan. 26, 1858.
h A LN UNITED STATES PATENT OFFICE.
ABEL HILDRETH, OF THOMASTON, MAINE.
TIDAL ALARM.
Specification of Letters Patent No. 19,196, dated January 26, 1858'.
To all whom, it may concern:
Be it known that I, ABEL HILDRETI-I, of Thomaston, in the county of Lincoln and State of Maine, have invented a new or Improved Tidal Alarm; and I do hereby declare that the same is fully described and represented in the following specification and the accompanying drawings, of which- Figure 1, exhibits a top view of part of the mechanism which will be hereinafter described or explained. Fig. 2, is a longitudinal sectional view. Fig. 3, a section of the well and float. Fig. 4, a top View of said well and float. Fig. 5, an end elevation of the building or case inclosing the wheel work. Fig. 6, a sectional end view. Fig. 7 a side elevation of the bell, and the cover of the striking apparatus.
The object of the above mentioned invention or tidal alarm is to warn mariners, during a fog, of their vicinity to a coast, reef or some place of danger.
In carrying out the said invention, I employ awell or upright box A, (see Figs. 3, and, 4,) built up or placed within the water or sea, where the tide may ebb and flow or rise and fall within the said well or box. Furthermore, I place in the well and so as to rest on the water therein, a float B, having a long upright stem C, arranged so as to play freely in a vertical direction through a guide frame D. To this float and its stem, I attach two ropes or chains E, F, as shown in the drawings; that is, one chain is attached to the float, while the other is aflixed to the upper part of the stem of the float. The chain E, from thence is carried over a guide pulley, a, while the chain, F, is carried under another guide pulley, I), both the said pulleys being aflixed to the frame, D. From the pulleys, the chains are led toward the case or house, G, which covers the wheel work or mechanism for sounding or striking a bell, H, which is arranged near to the said house, as shown in the drawings. It is intended that the bell shall be sounded during the ebb, as well as during the flow of the tide. For this purpose, it becomes neces- Windlass barrels L, M, that rotate freely on it. Each of these barrels, at or near its outer end abuts against a ratchet N, or N, on a shaft, K, and besides, each barrel carries one or more pawls, O, to Work into the ratchet in order that when the Windlass barrel is put in rotation in one direction, it shall rotate the shaft, K, and when put in rotation in the opposite direction, such Windlass barrel shall rotate freely on the shaft.
The two chains F, and E, are led from the pulleys, b, a, to and over pulleys, c, d, arranged in the front end of the box or house, G. From the said pulleys the chains pass respectively and are attached to the Windlass barrels, L, M. Furthermore, from each Windlass barrel a chain, P, carrying a weight, R, depends as shown in the drawlngs.
The gear, I, works in a pinion, 3, carried by a horizontal shaft, T, on which is another gear, U, that engages with a pinion, V, fixed on a cam shaft, WV, carrying wipers or cams, X, X, which act against lever hammers Y, Y, during the rotation of the shaft, WV, so as to put them in action in a manner to cause them alternately and repeatedly to sound the bell, each hammer falling on a reaction spring, Z, by which it may be raised out of contact with the bell immediately after each percussion or blow of it thereon.
In the operation of the above described mechanism, one of the chains will be drawn upon and the other slackened by the float, while such float is either ascending or descending. That chain which is drawn upon by the float will cause the shaft, K, to be put in rotation, the slack of the other chain in the meantime being taken up by the rotary movement imparted to the Windlass barrel by the descent of the weight, R, of the said barrel. Each Windlass barrel, while being put in revolution by its float chain will wind up the chain, P, of its weight, B, so as to provide a power of putting its said barrel in rotation in the opposte direction, when its float chain is next slackened.
By the employment of leading chains and apparatus as described, I am enabled to arrange the bell and striking apparatus at any distance from the float it being desirable to operate the bell in a high position rather than very near to the surface of the sea.
I would remark, that I am aware that a fog bell has been sounded by a striking apparatus, whose motive power has been obtained by the tidal movements of a float. Therefore I do not claim such as my invention. In this case, however, the movements of the float have been employed to wind up a weight, which when wound up and allowed to fall would set the striking apparatus of the bell in operation. Such a mode of anchoring the striking hammers of a bell is objectionable on several account-s and does not operate to good advantage in practice. My apparatus differs therefrom, as I dispense with the weight and put the striking apparatus in operation by the direct action of the float, its stem, the two chains and the windlasses applied to it as described.
What therefore I claim as my invention is My improved tidal alarm, constructed with the two Windlass barrels, the ratchets and pawls, the reversing chains and Weights and the two float chains arranged and applied in connection With the striking mechanism and the float and its stem or rod and so as to operate therewith, substantially as described.
In testimony whereof, I have hereunto set my signature.
ABEL HILDRETI-I. Witnesses:
R. H. EDDY, F. P. HALE, Jr.
Publications (1)
Publication Number | Publication Date |
---|---|
US19196A true US19196A (en) | 1858-01-26 |
Family
ID=2083125
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US19196D Expired - Lifetime US19196A (en) | Tidal alaem |
Country Status (1)
Country | Link |
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US (1) | US19196A (en) |
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0
- US US19196D patent/US19196A/en not_active Expired - Lifetime
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