US977503A - Sound-locater. - Google Patents

Sound-locater. Download PDF

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Publication number
US977503A
US977503A US58784610A US1910587846A US977503A US 977503 A US977503 A US 977503A US 58784610 A US58784610 A US 58784610A US 1910587846 A US1910587846 A US 1910587846A US 977503 A US977503 A US 977503A
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sound
head
diaphragm
locater
coupling
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US58784610A
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Robert N Baylis
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B7/00—Instruments for auscultation
    • A61B7/02—Stethoscopes

Definitions

  • ROBERT N BAYLIS, OF MONTCLAIR, NEN JERSEY.
  • My invention relates to an apparatus for locating sound, the same being of particular utility when employed for locating trouble in motors, such for example as employed in automobiles.
  • FIG. 1 is a View, partly broken away, of my so-called sound locater.
  • Fig. 2 is a longitudinal sectional view of part of the same.
  • l represents a sound conveying pipe or duct.
  • This pipe is preferably provided with two tubular extensions lL-la, each of which carries at its free end an ear-piece 2.
  • the finder head At the opposite end of the pipe l is what I will term the finder head in the form of a case which contains the sound magnifying apparatus and which is so shaped that it may be read ily applied to any part of an engine and will make proper contact therewith whereby any sound at that point will be received, magnilied and transmitted to the ears of the user.
  • a preferable construction of the head is shown in the sectional view, Fig. 2, in which it will be seen that the head comprises the back or main body portion 3 having a sound passage 4C leading to the passage in the tube 1.
  • diaphragm 5 is a diaphragm mounted at its edge on the head portion 3, the middle part of said diaphragm being free from said head p0rtion so that said diaphragm may be freely vibrated.
  • the outer section of the head which is preferably made of relatively thin material.
  • This outer portion is secured to the main body portion 3 of the finder head in any suitable way, and this connection is preferably such that it serves as a means to hold the diaphragm against its seat.
  • the outer section G of the finder head converges as it proceeds outwardly or away from the diaphragm.
  • a coupling preferably in the form of a pin wholly inclosed within the space between the diaphragm 5 and the inner wall of the outer section G of the head.
  • This coupling pin is suitably secured in place between the outer end of the head and the middle portion of the diaphragm, any suitable means for se curing the pin in place being employed.
  • the tip end of the outer section 6 of the finder head is placed against the motor. If the user has the ear-pieces 2 2 in place in his ears, he can at once detect the sounds immediately in front of the iinder head, hence by shifting said iinder head around from place to place he may locate with great accuracy and very quickly any objectionable or abnormal noise, thereby enabling him to at once ascertain the yparticular part of the motor that needs correcting. By completely inclosing the diaphragm 5 all stray external noises are guarded against, thus rendering more accurate and elfective the operation of the instrument. By completely inclosing the coupling pin 7 all. danger of injury to the same is avoided.
  • a inder head including case, a diaphragm inclosed and held therein, the wall of said case outside of said diaphragm being made of relatively thin material, and a coupling inclosed in the space between the diaphragm and the inner wall of the lower or outer section of said case and coupling said parts for the transmission of sound waves impinging against the external wall of the thin part of said case, the walls of said thin part converging toward the outer end of the coupling.

Description

R. N. BAYLIS.
SOUND LOGATER.
APPLIOATION FILED ocmw, 1910.
977, 503; Patented 1160.111910.
ROBERT N. BAYLIS, OF MONTCLAIR, NEN JERSEY.
SOUND-LOCATER.
Specification of Letters Patent.
Application led October 19, 1910.
Patented Dec. 6, 1910.
Serial No. 587,846.
To all whom it may concern:
Be it known that I, ROBERT N. BAYLIs,
ya citizen of the United States, residing at Montclair, county of Essex, State of New Jersey, have invented certain new and useful Improvements in Sound -Locaters, of which the following is a full, clear, and exact description.
My invention relates to an apparatus for locating sound, the same being of particular utility when employed for locating trouble in motors, such for example as employed in automobiles.
It is well known that in the ordinary multiple cylinder motor it is only by expert effort and usually by a series of tests that many troubles can be accurately located. The multiplicity of duplicate parts, the relatively compact location of the same, and the high speed of the motor all operate to make this work exceedingly ditlicult and arduous. By my invention the exact location of any noise due to faulty operation or looseness of parts can be easily and quickly detected.
In the accompanying drawing Figure l is a View, partly broken away, of my so-called sound locater. Fig. 2 is a longitudinal sectional view of part of the same.
l represents a sound conveying pipe or duct. This pipe is preferably provided with two tubular extensions lL-la, each of which carries at its free end an ear-piece 2. At the opposite end of the pipe l is what I will term the finder head in the form of a case which contains the sound magnifying apparatus and which is so shaped that it may be read ily applied to any part of an engine and will make proper contact therewith whereby any sound at that point will be received, magnilied and transmitted to the ears of the user. A preferable construction of the head is shown in the sectional view, Fig. 2, in which it will be seen that the head comprises the back or main body portion 3 having a sound passage 4C leading to the passage in the tube 1.
5 is a diaphragm mounted at its edge on the head portion 3, the middle part of said diaphragm being free from said head p0rtion so that said diaphragm may be freely vibrated.
6 is the outer section of the head, which is preferably made of relatively thin material.
This outer portion is secured to the main body portion 3 of the finder head in any suitable way, and this connection is preferably such that it serves as a means to hold the diaphragm against its seat. The outer section G of the finder head converges as it proceeds outwardly or away from the diaphragm.
7 is what I will term a coupling, the same being preferably in the form of a pin wholly inclosed within the space between the diaphragm 5 and the inner wall of the outer section G of the head. This coupling pin is suitably secured in place between the outer end of the head and the middle portion of the diaphragm, any suitable means for se curing the pin in place being employed.
In use, the tip end of the outer section 6 of the finder head is placed against the motor. If the user has the ear-pieces 2 2 in place in his ears, he can at once detect the sounds immediately in front of the iinder head, hence by shifting said iinder head around from place to place he may locate with great accuracy and very quickly any objectionable or abnormal noise, thereby enabling him to at once ascertain the yparticular part of the motor that needs correcting. By completely inclosing the diaphragm 5 all stray external noises are guarded against, thus rendering more accurate and elfective the operation of the instrument. By completely inclosing the coupling pin 7 all. danger of injury to the same is avoided.
That I claim is:
In an apparatus of the character described for locating sounds in engines, a inder head including case, a diaphragm inclosed and held therein, the wall of said case outside of said diaphragm being made of relatively thin material, and a coupling inclosed in the space between the diaphragm and the inner wall of the lower or outer section of said case and coupling said parts for the transmission of sound waves impinging against the external wall of the thin part of said case, the walls of said thin part converging toward the outer end of the coupling.
ROBERT N. BAYLIS.
Vitnesses:
JAMES A. FonnEsT, GRACE A. PIERCE.
US58784610A 1910-10-19 1910-10-19 Sound-locater. Expired - Lifetime US977503A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4064965A (en) * 1976-03-11 1977-12-27 Alberta Mae Brown Stethoscope
US5420382A (en) * 1994-01-24 1995-05-30 Katz; Daniel B. Sea-shell stethoscope head
US11432791B2 (en) * 2018-03-30 2022-09-06 Ptm, Llc Breakaway stethoscope, and related devices and methods

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4064965A (en) * 1976-03-11 1977-12-27 Alberta Mae Brown Stethoscope
US5420382A (en) * 1994-01-24 1995-05-30 Katz; Daniel B. Sea-shell stethoscope head
US11432791B2 (en) * 2018-03-30 2022-09-06 Ptm, Llc Breakaway stethoscope, and related devices and methods
US11678857B2 (en) 2018-03-30 2023-06-20 Ptm, Llc Breakaway stethoscope system and method

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