GB667860A - Improvements in or relating to sound-proof support for electro-magnetic interrupters - Google Patents

Improvements in or relating to sound-proof support for electro-magnetic interrupters

Info

Publication number
GB667860A
GB667860A GB14327/50A GB1432750A GB667860A GB 667860 A GB667860 A GB 667860A GB 14327/50 A GB14327/50 A GB 14327/50A GB 1432750 A GB1432750 A GB 1432750A GB 667860 A GB667860 A GB 667860A
Authority
GB
United Kingdom
Prior art keywords
sound
electro
relating
proof support
interrupters
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
GB14327/50A
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.)
Plessey Co Ltd
Original Assignee
Plessey Co 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 Plessey Co Ltd filed Critical Plessey Co Ltd
Publication of GB667860A publication Critical patent/GB667860A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H01H50/74—Mechanical means for producing a desired natural frequency of operation of the contacts, e.g. for self-interrupter
    • H01H50/76—Mechanical means for producing a desired natural frequency of operation of the contacts, e.g. for self-interrupter using reed or blade spring

Abstract

667,860. Electromagnetic interrupters. PLESSEY CO., Ltd. June 8, 1950. [June 29, 1949] No. 14327/50. Class 38 (v). A sound proof casing for a vibratory interrupter comprises a rigid container 12 lined with a sponge rubber sleeve 11 and surrounded by a second rigid container 14 lined with felt. The sleeve 11 may be frustroconical in shape and be fixed to a cardboard tube 50 containing the interrupter. Specification 656,384 is referred to.
GB14327/50A 1949-06-29 1950-06-08 Improvements in or relating to sound-proof support for electro-magnetic interrupters Expired GB667860A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US102064A US2601918A (en) 1949-06-29 1949-06-29 Vibrator support with multistage noise attenuation

Publications (1)

Publication Number Publication Date
GB667860A true GB667860A (en) 1952-03-05

Family

ID=22287936

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14327/50A Expired GB667860A (en) 1949-06-29 1950-06-08 Improvements in or relating to sound-proof support for electro-magnetic interrupters

Country Status (2)

Country Link
US (1) US2601918A (en)
GB (1) GB667860A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2860290A (en) * 1954-09-01 1958-11-11 Mallory & Co Inc P R Vibrator mounting
DE1080233B (en) * 1956-01-28 1960-04-21 Kupfer Asbest Co Vibrating contact converter with elastic mounting
US2855480A (en) * 1956-02-06 1958-10-07 Electronic Specialty Co Precision anti-shock relays
US3025373A (en) * 1956-08-29 1962-03-13 Bryant Electric Co Relay
US3831069A (en) * 1972-11-03 1974-08-20 Robertshaw Controls Co Miniature capacitance level detector

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1265858A (en) * 1917-02-27 1918-05-14 Harry E Yocum Lining for preserving vessels.
US1510919A (en) * 1923-09-27 1924-10-07 Joseph L Levy Lining for refuse cans
US2164632A (en) * 1934-06-25 1939-07-04 Utah Radio Products Company Electromagnetic vibratory motor
US2247469A (en) * 1935-03-21 1941-07-01 Utah Radio Products Company Vibratory motor
US2294125A (en) * 1938-04-13 1942-08-25 Lorenz C Ag Mechanical vibrating system
US2443037A (en) * 1943-06-29 1948-06-08 Mallory & Co Inc P R Vibrator
US2513940A (en) * 1948-01-13 1950-07-04 Mallory & Co Inc P R Vibrator support

Also Published As

Publication number Publication date
US2601918A (en) 1952-07-01

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