GB1130276A - Improvements in or relating to a retaining device having a force threshold - Google Patents

Improvements in or relating to a retaining device having a force threshold

Info

Publication number
GB1130276A
GB1130276A GB7173/67A GB717367A GB1130276A GB 1130276 A GB1130276 A GB 1130276A GB 7173/67 A GB7173/67 A GB 7173/67A GB 717367 A GB717367 A GB 717367A GB 1130276 A GB1130276 A GB 1130276A
Authority
GB
United Kingdom
Prior art keywords
socket
balls
members
switch
feb
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
GB7173/67A
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.)
Hazemeijer BV
Original Assignee
Hazemeijer BV
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 Hazemeijer BV filed Critical Hazemeijer BV
Publication of GB1130276A publication Critical patent/GB1130276A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
    • H01H5/02—Energy stored by the attraction or repulsion of magnetic parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/50—Driving mechanisms, i.e. for transmitting driving force to the contacts with indexing or locating means, e.g. indexing by ball and spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/08—Arrangements to facilitate replacement of a switch, e.g. cartridge housing
    • H01H9/085—Arrangements to facilitate replacement of a switch, e.g. cartridge housing contact separation effected by removing contact carrying 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
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20636—Detents

Landscapes

  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

1,130,276. Stud and socket fastenings. FABRIEK VAN ELECTRISCHE APPARATEN. 15 Feb., 1967 [15 Feb., 1966], No. 7173/67. Heading E2B. [Also in Division H1] A retaining device of the kind comprising a plug 1 receivable in a socket 4 and having a groove 2 cooperating with balls 6 urged through apertures 5 in the socket 4 by a garter spring 7, is provided with a plurality of arcuate magnetisable members 8 engaging the balls 6 and movable inwardly and outwardly, the members 8 forming a ring around the socket 4 and being magnetisable by an external field so as to apply an additional inward force on the balls 6 and thus increase the force necessary to separate the plug and socket. The members 8 are each pivotally mounted at a point (10) close to the balls 6 (Fig. 2 not shown) and have small air gaps (9) between their adjacent ends. The device may be used to hold closed the contacts of an electric switch the magnetic field being produced by the conductors of the switch so as to prevent opening of the switch electrodynamically under heavy current conditions.
GB7173/67A 1966-02-15 1967-02-15 Improvements in or relating to a retaining device having a force threshold Expired GB1130276A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL666601931A NL151544B (en) 1966-02-15 1966-02-15 LOAD DISCONNECTING SWITCH FITTED WITH A LOCKING DEVICE IN THE FORM OF A PIN-SHAPED LOCKING CAM CONNECTED TO THE MOVABLE SWITCH SECTION, HELD BY RESILIENCE IN A COMPRESSIVE CAVITY OF A RETAINING ELEMENT.

Publications (1)

Publication Number Publication Date
GB1130276A true GB1130276A (en) 1968-10-16

Family

ID=19795749

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7173/67A Expired GB1130276A (en) 1966-02-15 1967-02-15 Improvements in or relating to a retaining device having a force threshold

Country Status (5)

Country Link
US (1) US3417355A (en)
BE (1) BE693060A (en)
FR (1) FR1514456A (en)
GB (1) GB1130276A (en)
NL (1) NL151544B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4838112A (en) * 1987-09-01 1989-06-13 Inotek-Westmoreland Joint Venture Multiple rate force and movement actuator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2775137A (en) * 1951-11-07 1956-12-25 Dodge Mfg Corp Overload release connectors
US3293382A (en) * 1965-02-26 1966-12-20 Oak Electro Netics Corp Multi-section rotary switch unitary index mechanism with improved spring biased detent ball and adjustable stop limit structure

Also Published As

Publication number Publication date
FR1514456A (en) 1968-02-23
NL6601931A (en) 1967-08-16
US3417355A (en) 1968-12-17
DE1575217A1 (en) 1970-01-02
DE1575217B2 (en) 1972-10-26
BE693060A (en) 1967-07-03
NL151544B (en) 1976-11-15

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