GB154840A - Improvements in or relating to power driven sound signalling devices for motor and other vehicles - Google Patents

Improvements in or relating to power driven sound signalling devices for motor and other vehicles

Info

Publication number
GB154840A
GB154840A GB937720A GB937720A GB154840A GB 154840 A GB154840 A GB 154840A GB 937720 A GB937720 A GB 937720A GB 937720 A GB937720 A GB 937720A GB 154840 A GB154840 A GB 154840A
Authority
GB
United Kingdom
Prior art keywords
wheel
vehicles
relating
motor
power 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
Application number
GB937720A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB937720A priority Critical patent/GB154840A/en
Publication of GB154840A publication Critical patent/GB154840A/en
Expired legal-status Critical Current

Links

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
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/10—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by mechanical means only

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

154,840. Shachtman, M. March 31, 1920. Diaphragm horns.-In automobile horns of the type in which a toothed disk engages a stud on a flexible diaphragm and the motive power is provided by the engine, the extended spindle d of the toothed disk carries a slidably mounted friction wheel g, adapted to engage another wheel l driven by the engine. The engagement is effected by a striking-fork p rotatably mounted on a bellcrank lever o which is operated by a hand or foot lever through a wire or cord. The wheel g is normally kept from engaging the driving-wheel by means of a spring k, which is retained between the wheel o and the washer h by means of a set screw h<1>. The mouth of the horn is preferably provided with a cover of wire gauze q.
GB937720A 1920-03-31 1920-03-31 Improvements in or relating to power driven sound signalling devices for motor and other vehicles Expired GB154840A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB937720A GB154840A (en) 1920-03-31 1920-03-31 Improvements in or relating to power driven sound signalling devices for motor and other vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB937720A GB154840A (en) 1920-03-31 1920-03-31 Improvements in or relating to power driven sound signalling devices for motor and other vehicles

Publications (1)

Publication Number Publication Date
GB154840A true GB154840A (en) 1920-12-09

Family

ID=9870787

Family Applications (1)

Application Number Title Priority Date Filing Date
GB937720A Expired GB154840A (en) 1920-03-31 1920-03-31 Improvements in or relating to power driven sound signalling devices for motor and other vehicles

Country Status (1)

Country Link
GB (1) GB154840A (en)

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