GB913814A - Improvements in or relating to electromagnets for stepwise movement of a toothed member - Google Patents

Improvements in or relating to electromagnets for stepwise movement of a toothed member

Info

Publication number
GB913814A
GB913814A GB4625/59A GB462559A GB913814A GB 913814 A GB913814 A GB 913814A GB 4625/59 A GB4625/59 A GB 4625/59A GB 462559 A GB462559 A GB 462559A GB 913814 A GB913814 A GB 913814A
Authority
GB
United Kingdom
Prior art keywords
pawl
armature
electromagnet
ratchet
attached
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
GB4625/59A
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries 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 Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB913814A publication Critical patent/GB913814A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00—Electrically-operated selector switches
    • H01H67/02—Multi-position wiper switches
    • H01H67/04—Multi-position wiper switches having wipers movable only in one direction for purpose of selection
    • H01H67/06—Rotary switches, i.e. having angularly movable wipers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/15—Intermittent grip type mechanical movement
    • Y10T74/1526—Oscillation or reciprocation to intermittent unidirectional motion
    • Y10T74/1553—Lever actuator
    • Y10T74/1555—Rotary driven element
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/15—Intermittent grip type mechanical movement
    • Y10T74/1558—Grip units and features
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/15—Intermittent grip type mechanical movement
    • Y10T74/1558—Grip units and features
    • Y10T74/1565—Gripper releasing devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/15—Intermittent grip type mechanical movement
    • Y10T74/1558—Grip units and features
    • Y10T74/1577—Gripper mountings, lever
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2133—Pawls and ratchets

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnets (AREA)
  • Breakers (AREA)

Abstract

913,814. Ratchet gearing. PHILIPS ELECTRICAL INDUSTRIES Ltd. Feb. 10, 1959 [Feb. 13, 1958], No. 4625/59. Class 80 (3). [Also in Group XXXV] An electromagnet for step operation of a toothed member has a pivoted L- shaped armature, attached to one limb of which is one end of a pawl comprising a thin resilient rod 16. The free end of the pawl has limited movement in all directions perpendicular to its length but is constrained by a plate attached to the armature to advance the toothed member one step upon energization of the electromagnet. In the de-energized position the pawl is held clear so that the toothed member may be driven in the reverse direction by an opposed but similar device. As shown, the constraining plate 13 has a trapezoidal aperture 14 (Fig. 3) and a notch 17 which forms the rest and driving position for the pawl 16; during return the pawl is free to move across the aperture. Forward movement is limited by a stop 18 on the electromagnet frame, when the pawl, in the notch 17, prevents the ratchet wheel from overrunning. In an alternative arrangement (Figs. 4 to 6, not shown) a ratchet-wheel whose axis is parallel to the length of the electromagnet is driven by a pawl attached at a right-angle to the armature and constrained by the suitably shaped end of a U-bracket also attached at a right-angle to the armature. In either embodiment the ratchet-wheel could be replaced by a toothed rack.
GB4625/59A 1958-02-13 1959-02-10 Improvements in or relating to electromagnets for stepwise movement of a toothed member Expired GB913814A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL224901 1958-02-13

Publications (1)

Publication Number Publication Date
GB913814A true GB913814A (en) 1962-12-28

Family

ID=19751122

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4625/59A Expired GB913814A (en) 1958-02-13 1959-02-10 Improvements in or relating to electromagnets for stepwise movement of a toothed member

Country Status (6)

Country Link
US (1) US2994227A (en)
BE (1) BE575643A (en)
CH (1) CH367895A (en)
FR (1) FR1225030A (en)
GB (1) GB913814A (en)
NL (2) NL224901A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3095751A (en) * 1960-08-05 1963-07-02 George W Rapp High ratio double action stepper unit
US3175408A (en) * 1962-10-09 1965-03-30 Wallace B Martin Ratchet drive mechanism
CH482232A (en) * 1966-10-17 1970-01-15 Straumann Inst Ag Device with a ratchet wheel and at least one sound-frequency oscillating element used to drive it in a timing device
SE327236B (en) * 1967-03-23 1970-08-17 K Ylinen
DE3126038A1 (en) * 1981-07-02 1983-01-20 Philips Patentverwaltung Gmbh, 2000 Hamburg DEVICE FOR TURNING A SUN BLADE INCLUDED IN AN EVACUATED GLASS TUBE

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1047810A (en) * 1910-08-02 1912-12-17 Frank Hope-Jones Electric time indicator and alarm.

Also Published As

Publication number Publication date
FR1225030A (en) 1960-06-28
NL224901A (en)
CH367895A (en) 1963-03-15
NL104315C (en)
BE575643A (en) 1959-08-12
US2994227A (en) 1961-08-01

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