GB371127A - Improvements in or relating to control apparatus for electric motors - Google Patents
Improvements in or relating to control apparatus for electric motorsInfo
- Publication number
- GB371127A GB371127A GB815531A GB815531A GB371127A GB 371127 A GB371127 A GB 371127A GB 815531 A GB815531 A GB 815531A GB 815531 A GB815531 A GB 815531A GB 371127 A GB371127 A GB 371127A
- Authority
- GB
- United Kingdom
- Prior art keywords
- drum
- motor
- contacts
- relay
- switch
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Toys (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
371,127. Control of motors. IGRANIC ELECTRIC CO., Ltd., 147, Queen Victoria Street, London, MACKLEY, A. H., 15, Waterloo Road, Bedford, and TAYLOR, J. R., Monterey, Uddingston, Glasgow. March 17, 1931, No. 8155. [Class 38 (iii).] Travelling between predetermined limits.-A feed motor 1 of a slotting or planing machine is started every time a tappet switch 19 is momentarily closed on to contact 21 at the end of each stroke of the machine, and runs for a distance predetermined by the position of a switch 9. Closure on to contacts 21 causes energization of a relay 5 over a stepped drum 7. The relay maintains itself over the drum and causes - closure of contactor 3. The motor 1 drives a shaft 11 and rotates the drum 7 until the circuit of the relay 5 is broken. Whereupon contactor 3 opens and at auxiliary contacts 23 completes a circuit, prepared at contact 20 by return of tappet switch 19 and at contacts 24, 25 closed by a cam 26 as soon as the drum 7 has moved from its initial position, for a coil 18 which frees a band 17 and allows the drum 7 to return to its initial position under the action of a spring 27. A button 28 in parallel with the contacts 19, 21 gives a repeat operation of the motor independently of the tappet switch, and a " continuous " button 29 gives a continuous operation of the motor with the coil 18 energized so that the drum 7 is not displaced. In a modification the direction of rotation of the motor can be preselected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB815531A GB371127A (en) | 1931-03-17 | 1931-03-17 | Improvements in or relating to control apparatus for electric motors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB815531A GB371127A (en) | 1931-03-17 | 1931-03-17 | Improvements in or relating to control apparatus for electric motors |
Publications (1)
Publication Number | Publication Date |
---|---|
GB371127A true GB371127A (en) | 1932-04-21 |
Family
ID=9846795
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB815531A Expired GB371127A (en) | 1931-03-17 | 1931-03-17 | Improvements in or relating to control apparatus for electric motors |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB371127A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2422448A (en) * | 1941-11-07 | 1947-06-17 | Cincinnati Milling Machine Co | Remote-control means for speed change mechanisms |
-
1931
- 1931-03-17 GB GB815531A patent/GB371127A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2422448A (en) * | 1941-11-07 | 1947-06-17 | Cincinnati Milling Machine Co | Remote-control means for speed change mechanisms |
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