GB516673A - A contact or switch device for use in connection with electrical systems for recording the departure and/or arrival time of vehicles - Google Patents

A contact or switch device for use in connection with electrical systems for recording the departure and/or arrival time of vehicles

Info

Publication number
GB516673A
GB516673A GB1962338A GB1962338A GB516673A GB 516673 A GB516673 A GB 516673A GB 1962338 A GB1962338 A GB 1962338A GB 1962338 A GB1962338 A GB 1962338A GB 516673 A GB516673 A GB 516673A
Authority
GB
United Kingdom
Prior art keywords
contact
platform
lever
recording
departure
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
GB1962338A
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.)
THOMAS THACKERAY DEAKIN
William Newman and Sons Ltd
Original Assignee
THOMAS THACKERAY DEAKIN
William Newman and Sons Ltd
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 THOMAS THACKERAY DEAKIN, William Newman and Sons Ltd filed Critical THOMAS THACKERAY DEAKIN
Priority to GB1962338A priority Critical patent/GB516673A/en
Publication of GB516673A publication Critical patent/GB516673A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/02—Detecting movement of traffic to be counted or controlled using treadles built into the road

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Air Bags (AREA)

Abstract

516,673. Retractive switches. NEWMAN & SONS, Ltd., W., SHEAD, H. C., and DEAKIN, T. T. July 2, 1938, No. 19623. [Class 38 (v)] When a fire-engine or other vehicle passes over a platform 3 level with the ground, the platform tilts about an axis 5 against the action of springs 10 and actuates a lever 21 which closes a recording circuit. The lever 21 turns about an axis 18 and has a crossbar 14 carrying rollers 15 which are pressed up into engagement with the platform 3 by a spring 22. The lever 21 may either carry a contact 23 adapted to engage a fixed contact 27 or it may act upon a movable contact arm. To test the device, a rod is inserted in a hole in the platform immediately above the contact arm 21.
GB1962338A 1938-07-02 1938-07-02 A contact or switch device for use in connection with electrical systems for recording the departure and/or arrival time of vehicles Expired GB516673A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1962338A GB516673A (en) 1938-07-02 1938-07-02 A contact or switch device for use in connection with electrical systems for recording the departure and/or arrival time of vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1962338A GB516673A (en) 1938-07-02 1938-07-02 A contact or switch device for use in connection with electrical systems for recording the departure and/or arrival time of vehicles

Publications (1)

Publication Number Publication Date
GB516673A true GB516673A (en) 1940-01-09

Family

ID=10132445

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1962338A Expired GB516673A (en) 1938-07-02 1938-07-02 A contact or switch device for use in connection with electrical systems for recording the departure and/or arrival time of vehicles

Country Status (1)

Country Link
GB (1) GB516673A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1169001B (en) * 1958-10-02 1964-04-30 Stanley Works Door mat designed as an electrical switch
FR2590534A1 (en) * 1985-11-27 1987-05-29 Soule Sa INSTALLATION FOR DETECTING PRESENCE ON A GUIDE TRACK OF A VEHICLE
GB2183919A (en) * 1985-12-06 1987-06-10 Cyril John Peachey Safety mat elements

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1169001B (en) * 1958-10-02 1964-04-30 Stanley Works Door mat designed as an electrical switch
FR2590534A1 (en) * 1985-11-27 1987-05-29 Soule Sa INSTALLATION FOR DETECTING PRESENCE ON A GUIDE TRACK OF A VEHICLE
US4771698A (en) * 1985-11-27 1988-09-20 Soule Sensing system for a tracked vehicle transportation system
GB2183919A (en) * 1985-12-06 1987-06-10 Cyril John Peachey Safety mat elements

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