IE34286L - Speed control of electric motors - Google Patents

Speed control of electric motors

Info

Publication number
IE34286L
IE34286L IE700591A IE59170A IE34286L IE 34286 L IE34286 L IE 34286L IE 700591 A IE700591 A IE 700591A IE 59170 A IE59170 A IE 59170A IE 34286 L IE34286 L IE 34286L
Authority
IE
Ireland
Prior art keywords
cover
variable
slider
casing
resistance element
Prior art date
Application number
IE700591A
Other versions
IE34286B1 (en
Original Assignee
Mefina Sa
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 Mefina Sa filed Critical Mefina Sa
Publication of IE34286L publication Critical patent/IE34286L/en
Publication of IE34286B1 publication Critical patent/IE34286B1/en

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/30—Controlling members actuated by foot
    • G05G1/38—Controlling members actuated by foot comprising means to continuously detect pedal position
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C10/00—Adjustable resistors
    • H01C10/46—Arrangements of fixed resistors with intervening connectors, e.g. taps

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Sewing Machines And Sewing (AREA)
  • Adjustable Resistors (AREA)
  • Mechanical Control Devices (AREA)

Abstract

A variable-resistance foot control device for regulating the speed of an electric motor is particularly useful for sewing machines. It has a casing containing the variable-resistance element and a speed selection slider. The actuating member comprises a cover which pivots on a vertical axle against the action of a return spring which is fixed between the casing and said axle. The casing has a peripheral collar which the skirt of the cover surrounds and an annular support surface provided on the inside of the cover faces the collar. The slider is carried by a hinged lever actuated by turning the foot on the cover, whereby a pin and groove mechanism pivots the lever and moves the slider into contact with the contact points on the variable-resistance element. [US3639877A]
IE591/70A 1969-05-14 1970-05-07 A foot actuated control device for regulating the speed of an electric motor IE34286B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH732969A CH491479A (en) 1969-05-14 1969-05-14 Foot control device with variable resistance for adjusting the speed of an electric motor

Publications (2)

Publication Number Publication Date
IE34286L true IE34286L (en) 1970-11-14
IE34286B1 IE34286B1 (en) 1975-04-02

Family

ID=4323425

Family Applications (1)

Application Number Title Priority Date Filing Date
IE591/70A IE34286B1 (en) 1969-05-14 1970-05-07 A foot actuated control device for regulating the speed of an electric motor

Country Status (12)

Country Link
US (1) US3639877A (en)
JP (1) JPS4813783B1 (en)
AT (1) AT299394B (en)
BE (1) BE749929A (en)
CH (1) CH491479A (en)
DE (1) DE2023118A1 (en)
ES (1) ES379522A1 (en)
FR (1) FR2047431A5 (en)
GB (1) GB1258203A (en)
IE (1) IE34286B1 (en)
NL (1) NL7006910A (en)
SE (1) SE366423B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH567834A5 (en) * 1974-01-10 1975-10-15 Gegauf Fritz Ag
DE2649251A1 (en) * 1976-10-29 1978-05-03 Georgii Kobold August Heine Kg COMMAND GENERATOR FOR ELECTRIC POSITIONING DRIVES
US4200780A (en) * 1978-01-18 1980-04-29 Atari, Inc. Control assembly with rotating disc cover for sliding control
US4281310A (en) * 1980-02-28 1981-07-28 The Singer Company Foot controller
JPS58124905U (en) * 1982-02-16 1983-08-25 アルプス電気株式会社 rotary operated electrical components
DK150414C (en) * 1984-04-03 1987-07-13 Nielsen Benny Steen FOOD REGULATOR, ISAIR FOR DENTAL EQUIPMENT
EP0505660B1 (en) * 1991-03-27 1996-08-14 COMELZ S.p.A. Control unit for an electric drive motor of industrial processing machinery.
FR2688326A1 (en) * 1992-03-06 1993-09-10 Moviluty CONTROL DEVICE.
US6538555B2 (en) * 1998-03-13 2003-03-25 Mannesmann Vdo Ag Throttle valve having potentiometer with supporting plate
US6774509B2 (en) * 2002-01-30 2004-08-10 Defond Manufacturing Limited Electrical switch assembly

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1201366A (en) * 1915-04-06 1916-10-17 William Gentry Shelton Electric switch.
US2762891A (en) * 1953-04-16 1956-09-11 Hill John Ernest Control units for dental apparatus
US3200359A (en) * 1962-09-12 1965-08-10 Spectrol Electronics Corp Variable resistor
US3354418A (en) * 1964-11-04 1967-11-21 Irc Inc Variable resistor
US3469225A (en) * 1968-03-12 1969-09-23 Trw Inc Miniature,multiturn trimmer potentiometer

Also Published As

Publication number Publication date
GB1258203A (en) 1971-12-22
AT299394B (en) 1972-06-12
FR2047431A5 (en) 1971-03-12
JPS4813783B1 (en) 1973-04-28
SE366423B (en) 1974-04-22
IE34286B1 (en) 1975-04-02
BE749929A (en) 1970-10-16
US3639877A (en) 1972-02-01
DE2023118A1 (en) 1970-11-26
NL7006910A (en) 1970-11-17
CH491479A (en) 1970-05-31
ES379522A1 (en) 1973-02-01

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