GB456577A - Speed warning device - Google Patents

Speed warning device

Info

Publication number
GB456577A
GB456577A GB1121635A GB1121635A GB456577A GB 456577 A GB456577 A GB 456577A GB 1121635 A GB1121635 A GB 1121635A GB 1121635 A GB1121635 A GB 1121635A GB 456577 A GB456577 A GB 456577A
Authority
GB
United Kingdom
Prior art keywords
strip
speed
electromagnet
adjusted
shows
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
GB1121635A
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 GB1121635A priority Critical patent/GB456577A/en
Publication of GB456577A publication Critical patent/GB456577A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • G01P1/07—Indicating devices, e.g. for remote indication
    • G01P1/08—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers
    • G01P1/10—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)

Abstract

456,577. Speed indicators. AVERY, W. L., The Blue House, Thorley, Bishop's Stortford, Hertfordshire. April 11, 1935, No. 11216. [Class 106 (iii)] A reed device for giving an audible warning when the engine of a motor vehicle reaches a predetermined speed comprises a vibrating steel strip 3 which is responsive to an electromagnet 2 connected in the vehicle ignition circuit 1 and is adapted to vibrate with a buzzer effect only at the frequency corresponding to the predetermined engine speed. An additional reed 3a tuned to be set in motion at a lower speed may give a preliminary warning. The free length of the reeds is adjusted by screws 9 and a clamping plate 8. Fig. 3, shows an adjustable block 6 for adjusting the effective length of the strip 3, while Fig. 4 shows a device for varying the distance of the strip 3 from the electromagnet 2, comprising a base 15 turnable about a pivot 18 by rotating an eccentric head 20, the free length of the strip being adjusted by the use of a tapered stud 12 to release a clamp.
GB1121635A 1935-04-11 1935-04-11 Speed warning device Expired GB456577A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1121635A GB456577A (en) 1935-04-11 1935-04-11 Speed warning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1121635A GB456577A (en) 1935-04-11 1935-04-11 Speed warning device

Publications (1)

Publication Number Publication Date
GB456577A true GB456577A (en) 1936-11-11

Family

ID=9982143

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1121635A Expired GB456577A (en) 1935-04-11 1935-04-11 Speed warning device

Country Status (1)

Country Link
GB (1) GB456577A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE755179C (en) * 1939-05-07 1952-12-01 Wilhelm Dr-Ing Ziegenbein Device for regulating and limiting the speed of motor vehicles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE755179C (en) * 1939-05-07 1952-12-01 Wilhelm Dr-Ing Ziegenbein Device for regulating and limiting the speed of motor vehicles

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