GB536527A - Improvements in and relating to recording instruments - Google Patents
Improvements in and relating to recording instrumentsInfo
- Publication number
- GB536527A GB536527A GB25291/39A GB2529139A GB536527A GB 536527 A GB536527 A GB 536527A GB 25291/39 A GB25291/39 A GB 25291/39A GB 2529139 A GB2529139 A GB 2529139A GB 536527 A GB536527 A GB 536527A
- Authority
- GB
- United Kingdom
- Prior art keywords
- stylus
- chart
- record
- speed
- vehicle
- 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
Links
Classifications
-
- 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
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/12—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time in graphical form
-
- 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)
- Time Recorders, Dirve Recorders, Access Control (AREA)
Abstract
536,527. Recording-apparatus. COOL, H. R. Sept. 7, 1939, No. 25291. Convention date, Sept. 9, 1938. [Classes 106 (iii) and 106 (iv)] An instrument for use on motor vehicles comprises a uniformly driven chart carrier, and two recording styluses one of which is actuated by pendulum means responsive to the oscillations of the vehicle when in motion and the other is actuated by means operated when the speed of the vehicle exceeds a predetermined value. As shown in Figs. 1 to 3 the instrument comprises a hinged casing 10, 11 with a record disc or chart 20 driven by a clock mechanism 23. The part of the chart upon which the record is to be made is supported by a spring controlled platen 25. The primary record, showing when the vehicle is in motion, is made by a stylus 30 mounted on a pendulum lever 32. The stylus is formed with a metal point to scratch a waxed surface on the chart. An auxiliary stylus 40 for the.excess speed record is mounted on an arm 41 on a pivoted U-shaped member 42. This member co-operates with a stylus operating lever 50 on a pivoted U-shaped member 51 by means of a yielding connection comprising a leaf spring 52. A coiled spring 65 normally holds the stylus free of the chart and a finger 60, 61, prevents excessive movement of the stylus. The lever 50 is operated by the armature 73 of an electromagnet connected in circuit with the ignition system and including contacts that are opened or closed when the speed reaches a predetermined amount. Thus the record may be made after the engine has been started and up to the predetermined speed or it may be made only after the speed has been exceeded.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US536527XA | 1938-09-09 | 1938-09-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB536527A true GB536527A (en) | 1941-05-19 |
Family
ID=21985702
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB25291/39A Expired GB536527A (en) | 1938-09-09 | 1939-09-07 | Improvements in and relating to recording instruments |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB536527A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3004818A (en) * | 1958-11-21 | 1961-10-17 | Kienzle Apparate Gmbh | Autographic recorder arrangement |
-
1939
- 1939-09-07 GB GB25291/39A patent/GB536527A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3004818A (en) * | 1958-11-21 | 1961-10-17 | Kienzle Apparate Gmbh | Autographic recorder arrangement |
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