US67329A - mclea - Google Patents
mclea Download PDFInfo
- Publication number
- US67329A US67329A US67329DA US67329A US 67329 A US67329 A US 67329A US 67329D A US67329D A US 67329DA US 67329 A US67329 A US 67329A
- Authority
- US
- United States
- Prior art keywords
- whistle
- tube
- indicator
- alarm
- chamber
- 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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- 230000005484 gravity Effects 0.000 description 8
- 238000007664 blowing Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 230000000717 retained Effects 0.000 description 2
Images
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/22—Methods or devices for transmitting, conducting or directing sound for conducting sound through hollow pipes, e.g. speaking tubes
Definitions
- Figure II is a vertical section of thosaine with an indicator attached thereto.
- Figure III is a front view of the same.
- the nature of this invention consists, first, in the combination of an alarm-whistle with a speaking-tube in suoli manner that when the whistle is lifted in order to speak through the tube it will return to and be held in its proper position for giving alarm, by its own gravity, without the intervention of a spring or other device; second, in the arrangementof an indicator-attachment with an alarm-whistle in such manner that the indicator will be closed in the act ot'- raising the valve for speaking through the tube.
- A, Fig. I represents the end of a speaking-tube, to which is attached a mouth-piece.
- B formed and connected to the tube in common manner.
- C represents an alarm-whistle, which may be of well-known construction, and is placed within an oblong case or chamber, D, formed at the end of the tube A, in such manner that when it is raised to the top of the chamber it will return to and rest uponthe bottom of said case, and be retained there by its own gravity, andbe in a position to give signals transmitted from the other end of the tube.
- a wire, el is attached to the whistle C, which projects upwardly through an opening in the top ofthe case D, its projecting end being bent atv right angles, as shown at c2.
- Figs. II and III is represented a modification of my improvement, showing an indicatonattachment in coinbination therewith.
- the whistle Cis placed stationary within the upper part of a chamber, E, which is located in the rearof the case D, and a blank whistle is substituted within the latter, as shown at F.
- G represents the indicator; it consists of a small piece of sheet metal, which is hinged to the top of the chamber E, and lies thereon in a manner to cover a small opening, e.
- H represents a wire frame, which is connected to the bottom of the blank whistle or valve F, and is located below the case D.
- a wire, L extends uponone side thereof ⁇ to the top of the chamber E, and is bent horizontally across the same.
Description
w.v J. Meu-2A. Alarm Whistle.
No. 67,329. Patend July 30, 1857.
fo/5f fait# (nrb tang @anni @titre WILLIAM J. MCLEA, OF BUFFALO, NEW YORK, ASSIGNOR TO HIMSELF AND CHARLES F. YOUNG, OF THE SAME PLACE.
.Letters Patent 1Y0. 67,329, dated July 30, 1867.
IMPROVEMENT IN ALARM-WHISTLES.
TO ALL WHOM IT MAY OONCERN:
Be-it known that I, VILLIAM J. MCLEA, of the city of Buffalo, county of Erie, and State of New York, (assigner to myself` and CHARLES F. YOUNG, of the same place,) have invented a certain new and improved Alarm-Whistle; and I do hereby declare that the following is a full and exact description thereof, reference being had to the accompanying drawings, making a part of this specification, in which- Figure I is a vertical section of my improved whistle.
Figure II is a vertical section of thosaine with an indicator attached thereto.
Figure III is a front view of the same.
The nature of this invention consists, first, in the combination of an alarm-whistle with a speaking-tube in suoli manner that when the whistle is lifted in order to speak through the tube it will return to and be held in its proper position for giving alarm, by its own gravity, without the intervention of a spring or other device; second, in the arrangementof an indicator-attachment with an alarm-whistle in such manner that the indicator will be closed in the act ot'- raising the valve for speaking through the tube.
Letters of like name and kind refer to like parts in each of' the figures.
A, Fig. I, represents the end of a speaking-tube, to which is attached a mouth-piece. B, formed and connected to the tube in common manner. C represents an alarm-whistle, which may be of well-known construction, and is placed within an oblong case or chamber, D, formed at the end of the tube A, in such manner that when it is raised to the top of the chamber it will return to and rest uponthe bottom of said case, and be retained there by its own gravity, andbe in a position to give signals transmitted from the other end of the tube. A wire, el, is attached to the whistle C, which projects upwardly through an opening in the top ofthe case D, its projecting end being bent atv right angles, as shown at c2. When it is desired to speak through the tube it becomes necessary to raise the whistle from its position within the tube. This is accomplished by taking hold of the wire c2 and lifting the whistle up into the upper portion ofthe case D. The wire being released from the hold the whistle will drop into its former position by its own gravity to the bottom of the chamber D, and covering the bore ot' the tube A. In Figs. II and III is represented a modification of my improvement, showing an indicatonattachment in coinbination therewith. The whistle Cis placed stationary within the upper part of a chamber, E, which is located in the rearof the case D, and a blank whistle is substituted within the latter, as shown at F. G represents the indicator; it consists of a small piece of sheet metal, which is hinged to the top of the chamber E, and lies thereon in a manner to cover a small opening, e. H represents a wire frame, which is connected to the bottom of the blank whistle or valve F, and is located below the case D. A wire, L, extends uponone side thereof` to the top of the chamber E, and is bent horizontally across the same.
The operation of my improved alarm-whistle with indicator-attachment is as follows: The blank whistle, by its own gravity, and the weight of the frame H, is in a position toelose the tube A, and the indicator G covers the' small aperture e. When a signal is given from the other end of the tube the blast of air is by the blank whistle or valve directed into the chamber E, and, blowing the whistle C, passes through the same and the aperture e into the open air. As it issues from the chamber it comes in contact with the indicator G, and swings it upon its hinge until it lies upon the wire t. When it is desired to answer the signal the valve F is pushed upward by taking hold ofthe wir-e frame H, thereby opening the tube, and at the saine time closing the indicator G. In a room where more than one speaking-tube is used, this indicatonattachment is of great service, showing the attendant at a glance which of the whistles has given the signal.
What I claim as my invention, and desire to secure by Letters Patent, is-
1. The alarm-whistle C, constructed, arranged, and operating in the manner substantially as herein described.
2. S0 arranging the indicator, in reference to ablank whistle or valve, that when the latter is raised for speaking through the tube, the indicator will be closed in the act of raising the valve, substantially as set forth.
WILLIAM JAMES MCLE.
Witnesses:
B. H. Muslims, F. A. LANcwoRTEY.
Publications (1)
Publication Number | Publication Date |
---|---|
US67329A true US67329A (en) | 1867-07-30 |
Family
ID=2136854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US67329D Expired - Lifetime US67329A (en) | mclea |
Country Status (1)
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US (1) | US67329A (en) |
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- US US67329D patent/US67329A/en not_active Expired - Lifetime
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