GB631416A - Improvements in multi-circuit electric interrupter switches having variable time periods - Google Patents

Improvements in multi-circuit electric interrupter switches having variable time periods

Info

Publication number
GB631416A
GB631416A GB18993/47A GB1899347A GB631416A GB 631416 A GB631416 A GB 631416A GB 18993/47 A GB18993/47 A GB 18993/47A GB 1899347 A GB1899347 A GB 1899347A GB 631416 A GB631416 A GB 631416A
Authority
GB
United Kingdom
Prior art keywords
cam
contact
circuit
blade
time periods
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
GB18993/47A
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.)
Tuttle & Kift Inc
Original Assignee
Tuttle & Kift Inc
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 Tuttle & Kift Inc filed Critical Tuttle & Kift Inc
Publication of GB631416A publication Critical patent/GB631416A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0202—Switches
    • H05B1/0208—Switches actuated by the expansion or evaporation of a gas or liquid
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
    • H01H19/60—Angularly-movable actuating part carrying no contacts
    • H01H19/62—Contacts actuated by radial cams
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices

Landscapes

  • Control Of Resistance Heating (AREA)

Abstract

631,416. Interrupters. TUTTLE & KIFT, Inc. July 16, 1947, No. 18993. Convention date, Jan. 2, 1940. [Class 38(v)] A multiple circuit controller having a separate control for each circuit for supplying current for selectively variable lengths of time to a number of heating elements, comprises four identical switch elements mounted around a motor-driven cam 16 to be successively actuated thereby. Each switch element comprises a contact blade 19a adapted to be moved by the cam 16 away from a co-operating contact blade 30a which is adjustable by a manuallyoperable cam 25a to vary the period of contact from constant engagement to constant disengagement. A second cam 35a carried on the manually-operable shaft 26a actuates a blade 35a carrying a contact 40a adapted to bridge two contacts 41a, 42a, whereby the circuit of the cam-driving motor 14, and the respective heater, are opened when the control knob 28a is in the " off position. Specification 534,395 is referred to.
GB18993/47A 1940-01-02 1947-07-16 Improvements in multi-circuit electric interrupter switches having variable time periods Expired GB631416A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US631416XA 1940-01-02 1940-01-02

Publications (1)

Publication Number Publication Date
GB631416A true GB631416A (en) 1949-11-02

Family

ID=22047193

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18993/47A Expired GB631416A (en) 1940-01-02 1947-07-16 Improvements in multi-circuit electric interrupter switches having variable time periods

Country Status (2)

Country Link
GB (1) GB631416A (en)
NL (1) NL66419C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185858A (en) * 1986-01-24 1987-07-29 Kuk Je Electric Heater Co Ltd Power control switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185858A (en) * 1986-01-24 1987-07-29 Kuk Je Electric Heater Co Ltd Power control switch

Also Published As

Publication number Publication date
NL66419C (en)

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