GB991712A - Tachograph - Google Patents

Tachograph

Info

Publication number
GB991712A
GB991712A GB986562A GB986562A GB991712A GB 991712 A GB991712 A GB 991712A GB 986562 A GB986562 A GB 986562A GB 986562 A GB986562 A GB 986562A GB 991712 A GB991712 A GB 991712A
Authority
GB
United Kingdom
Prior art keywords
nut
plate
disc
bundle
tube
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
GB986562A
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.)
Fabrique des Montres Zenith SA
Original Assignee
Fabrique des Montres Zenith SA
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 Fabrique des Montres Zenith SA filed Critical Fabrique des Montres Zenith SA
Publication of GB991712A publication Critical patent/GB991712A/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
    • G01P1/12—Recording devices
    • G01P1/122—Speed recorders
    • G01P1/125—Speed recorders with recording discs
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/02—Registering or indicating driving, working, idle, or waiting time only
    • G07C5/06—Registering or indicating driving, working, idle, or waiting time only in graphical form

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)

Abstract

991, 712. Recording-apparatus. FABRIQUES DES MONTRES ZENITH S.A. March 14, 1962 [Sept. 13, 1961], No. 9865/62. Heading G1J. A tachograph comprises a rotatable plate 22 provided with a rod 24 for engaging as required either a hole 26 in a record disc 21 or a tube 29 on which is grouped a bundle of discs the rod 24 being threaded to receive a nut 27 adapted to grip the disc 21 or lock the tube 29 against the plate 22. The plate 22 has four equispaced concentric projections 25 and the nut 27 has a complementary circular groove 28 so that a single disc 21 can be firmly gripped to turn with the plate 22. The tube 29 for a bundle of discs is made longer than the thickness of the bundle by at least the sum of the thicknesses of the nut 27 and one disc and the thickness of the flange 30 of the tube 29 which is attached to the end disc is made greater than the height of a projection 25 so that a bundle can be fixed on the rod 24 by tightening the nut 27 without the projections 25 penetrating any of the discs. The number of projections 25 may be varied and if placed at different radii complementary grooves must be provided in the nut 27. The plate 22 and clockwork for driving it are mounted in the lid of a housing, itself mounted on the dashboard of a vehicle and containing three styli with driving mechanism for recording, speed, distance and running and stopping times.
GB986562A 1961-09-13 1962-03-14 Tachograph Expired GB991712A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1062161A CH372862A (en) 1961-09-13 1961-09-13 Vehicle tachograph

Publications (1)

Publication Number Publication Date
GB991712A true GB991712A (en) 1965-05-12

Family

ID=4365120

Family Applications (1)

Application Number Title Priority Date Filing Date
GB986562A Expired GB991712A (en) 1961-09-13 1962-03-14 Tachograph

Country Status (6)

Country Link
BE (1) BE615047A (en)
CH (1) CH372862A (en)
DE (1) DE1204433B (en)
ES (1) ES275474A1 (en)
GB (1) GB991712A (en)
NL (1) NL275899A (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE757885C (en) * 1939-08-10 1952-08-14 Kienzle App A G Writing speedometer
DE1005766B (en) * 1956-04-23 1957-04-04 Kienzle Apparate Gmbh Writing speed measuring and display device
DE1751841U (en) * 1957-07-12 1957-09-05 Vdo Schindling DIAGRAM DISC BODIES FOR MULTI-DAY TACHOGRAPHS IN MOTOR VEHICLES.

Also Published As

Publication number Publication date
ES275474A1 (en) 1962-06-16
CH372862A (en) 1963-10-31
NL275899A (en)
BE615047A (en) 1962-07-02
DE1204433B (en) 1965-11-04

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