GB918940A - An electro-magnetic stepping mechanism - Google Patents
An electro-magnetic stepping mechanismInfo
- Publication number
- GB918940A GB918940A GB4036461A GB4036461A GB918940A GB 918940 A GB918940 A GB 918940A GB 4036461 A GB4036461 A GB 4036461A GB 4036461 A GB4036461 A GB 4036461A GB 918940 A GB918940 A GB 918940A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pawl
- cam
- shaft
- magnet
- engagement
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H31/00—Other gearings with freewheeling members or other intermittently driving members
- F16H31/003—Step-by-step mechanisms for rotary motion
- F16H31/005—Step-by-step mechanisms for rotary motion with pawls driven by a reciprocating or oscillating transmission member
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M1/00—Design features of general application
- G06M1/08—Design features of general application for actuating the drive
- G06M1/10—Design features of general application for actuating the drive by electric or magnetic means
- G06M1/102—Design features of general application for actuating the drive by electric or magnetic means by magnetic or electromagnetic means
- G06M1/104—Design features of general application for actuating the drive by electric or magnetic means by magnetic or electromagnetic means electromagnets, clicks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/02—Non-polarised relays
- H01H51/04—Non-polarised relays with single armature; with single set of ganged armatures
- H01H51/06—Armature is movable between two limit positions of rest and is moved in one direction due to energisation of an electromagnet and after the electromagnet is de-energised is returned by energy stored during the movement in the first direction, e.g. by using a spring, by using a permanent magnet, by gravity
- H01H51/08—Contacts alternately opened and closed by successive cycles of energisation and de-energisation of the electromagnet, e.g. by use of a ratchet
- H01H51/082—Contacts alternately opened and closed by successive cycles of energisation and de-energisation of the electromagnet, e.g. by use of a ratchet using rotating ratchet mechanism
- H01H51/086—Contacts alternately opened and closed by successive cycles of energisation and de-energisation of the electromagnet, e.g. by use of a ratchet using rotating ratchet mechanism with radial ratchet elements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
- H02K7/065—Electromechanical oscillators; Vibrating magnetic drives
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
918,940. Ratchet gearing. GRETAG A.G. Nov. 10, 1961 [Nov. 12, 1960], No. 40364/61. Class 80 (3). [Also in Group XIX] In a step-by-step mechanism in which forward and reverse rotations are produced by separate electromagnetically operated pawl-andratchet mechanisms, a control member is movable to two discrete positions to render the non-driving pawl inoperative and the pawls are arranged that energization of the magnet moves the pawl through an idle stroke and de-energization allows an armature spring to produce a rotation of one tooth of the ratchet-wheel. In a stepping mechanism in which a shaft 23, carrying indicating, 26, and printing, 27, figure rollers, is rotated in either direction, the two rotations are produced by similar oppositehanded electromagnets 1F and 1B, the armatures 6F of which operate arms 11F carrying pawls 13F co-operating with forward and backward ratchet-wheels 16F and 16B, respectively, on the shaft 23. A common control member 53 freely mounted on the shaft 23 has an attachment 52F contacted by an extension 51F of the armature arm 11F to move a cam 54B into the path of the pawl 13B to hold it from engagement when the forward magnet 1F is operating, a similar cam 54F restraining the pawl 13F when magnet 1B is energized. Shock-absorbing stops 18F, 20F limit movement of the pawl 13F under the action of the armature spring 12F and magnet 1F, respectively, to one tooth stroke and ensure full tooth engagement of the pawl except when held from engagement by the cam 54F. A fivelobe cam 28, on the shaft 23, co-operates with five pairs of switch contacts 31I, 31II to provide for zeroizing, tens carry-over and pulse counting. A number of the stepping mechanisms may be placed side-by-side and the digits on the rollers 27 used for printing through carbon paper 45 (Fig. 10) on depression of a printing hammer 46. In modifications, the casing may comprise side plates held apart by distance pieces or may be hermetically sealed and filled with an inert gas.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1261860A CH394347A (en) | 1960-11-12 | 1960-11-12 | Electromagnetic rotary stepper drive for forward and reverse rotation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB918940A true GB918940A (en) | 1963-02-20 |
Family
ID=4384765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4036461A Expired GB918940A (en) | 1960-11-12 | 1961-11-10 | An electro-magnetic stepping mechanism |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH394347A (en) |
| DE (1) | DE1414800B2 (en) |
| GB (1) | GB918940A (en) |
| NL (1) | NL271210A (en) |
-
0
- NL NL271210D patent/NL271210A/xx unknown
-
1960
- 1960-11-12 CH CH1261860A patent/CH394347A/en unknown
-
1961
- 1961-11-10 GB GB4036461A patent/GB918940A/en not_active Expired
- 1961-11-11 DE DE19611414800 patent/DE1414800B2/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CH394347A (en) | 1965-06-30 |
| NL271210A (en) | |
| DE1414800B2 (en) | 1972-01-20 |
| DE1414800A1 (en) | 1968-10-03 |
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