US1004337A - Motor-driven whistle. - Google Patents

Motor-driven whistle. Download PDF

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Publication number
US1004337A
US1004337A US39910307A US1907399103A US1004337A US 1004337 A US1004337 A US 1004337A US 39910307 A US39910307 A US 39910307A US 1907399103 A US1907399103 A US 1907399103A US 1004337 A US1004337 A US 1004337A
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US
United States
Prior art keywords
motor
whistle
casing
piston
driven
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
Application number
US39910307A
Inventor
George F Atwood
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Priority to US39910307A priority Critical patent/US1004337A/en
Application granted granted Critical
Publication of US1004337A publication Critical patent/US1004337A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • G10K5/00—Whistles

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Treatment Of Fiber Materials (AREA)

Description

G. F. ATWOGD. MOTOR DRIVEN WHISTLE.
APPLIUATION FILED 00T. 25, 1901.
, 1,004,337. Patented Sept. 26,-1911.
@f1/mam@ gear connection between Suid motor and said an pump, said motor und gear connection being mounted upon said door on the inside of said casing, the said nir pump and its piston effectively closing the opening for Said pump. i
3. The combination with u Weatherproof inclosure having an aperture therein, of a pump casing Within said aperture and closing the same, a whistle extending outside of said inclosure and communicating With. said casing, a. piston in said casina', ,a motor mounted Within said inciosure and connecting meansbetween said motor and said piston, said piston effectively closing the opening in said inclosure through said casing.
4. The combination with fr Weatherproof casing, of a motor mounted inside the casing, n. Whistle mounted outside the easing, e piston cylinder extending through and closing an aperture in the casing, a piston in said cylinder operated by the motor and operating the Whistle, the Said cylinder and its piston effectively rendering the said aperture Weatherproof. i
In Witness whereof, I, hereunto subscribe my neme this 21st day of October A. D., 1907.
' GEORGE F. ATVVOOD.
Witnesses:
ROBERT F. ATWOOD, C. BROKAW.
US39910307A 1907-10-25 1907-10-25 Motor-driven whistle. Expired - Lifetime US1004337A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US39910307A US1004337A (en) 1907-10-25 1907-10-25 Motor-driven whistle.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US39910307A US1004337A (en) 1907-10-25 1907-10-25 Motor-driven whistle.

Publications (1)

Publication Number Publication Date
US1004337A true US1004337A (en) 1911-09-26

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ID=3072652

Family Applications (1)

Application Number Title Priority Date Filing Date
US39910307A Expired - Lifetime US1004337A (en) 1907-10-25 1907-10-25 Motor-driven whistle.

Country Status (1)

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US (1) US1004337A (en)

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