GB1297539A - - Google Patents

Info

Publication number
GB1297539A
GB1297539A GB1297539DA GB1297539A GB 1297539 A GB1297539 A GB 1297539A GB 1297539D A GB1297539D A GB 1297539DA GB 1297539 A GB1297539 A GB 1297539A
Authority
GB
United Kingdom
Prior art keywords
trigger
board
resistance
strips
stem
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
Other languages
English (en)
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 filed Critical
Publication of GB1297539A publication Critical patent/GB1297539A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01H9/02—Bases, casings, or covers
    • H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
    • H01H9/061—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner enclosing a continuously variable impedance
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C10/00—Adjustable resistors
    • H01C10/50—Adjustable resistors structurally combined with switching arrangements
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S388/00—Electricity: motor control systems
    • Y10S388/935—Specific application:
    • Y10S388/937—Hand tool

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Adjustable Resistors (AREA)
  • Parts Printed On Printed Circuit Boards (AREA)
  • Control Of Direct Current Motors (AREA)
  • Structures For Mounting Electric Components On Printed Circuit Boards (AREA)
GB1297539D 1969-07-28 1970-06-22 Expired GB1297539A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84531769A 1969-07-28 1969-07-28

Publications (1)

Publication Number Publication Date
GB1297539A true GB1297539A (enExample) 1972-11-22

Family

ID=25294950

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1297539D Expired GB1297539A (enExample) 1969-07-28 1970-06-22

Country Status (6)

Country Link
US (1) US3543120A (enExample)
BE (1) BE753657A (enExample)
CH (1) CH515651A (enExample)
FR (1) FR2055361A5 (enExample)
GB (1) GB1297539A (enExample)
NL (1) NL146340B (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3761788A (en) * 1971-08-10 1973-09-25 Lucerne Products Inc Electronic switch module with ceramic case
CA973942A (en) * 1972-03-01 1975-09-02 Ignacy Supel Speed control device with independent speed control and on-off operating members
US4097704A (en) * 1976-08-02 1978-06-27 Cutler-Hammer, Inc. Industrial reversing speed control trigger switch with snap-in modules
US4095072A (en) * 1976-08-02 1978-06-13 Cutler-Hammer, Inc. Industrial speed control trigger switch with integral reversing switch
US4100383A (en) * 1976-08-02 1978-07-11 Cutler-Hammer, Inc. Industrial reversing speed control trigger switches having snap-in modules
US4205434A (en) * 1977-11-08 1980-06-03 Eaton Corporation Trigger speed control switch subassembly and method of making
US4572997A (en) * 1984-10-09 1986-02-25 Fujisoku Electric Co., Ltd. Trigger switch
JPH0310587Y2 (enExample) * 1985-08-05 1991-03-15
DE4121264A1 (de) * 1990-06-27 1992-01-02 Marquardt Gmbh Schalter, insbesondere zur drehzahlregelung von elektromotoren o. dgl.
US5455886A (en) * 1994-05-26 1995-10-03 Ryobi Motor Products Corporation Electrical implement with variable speed control
DE102009027111A1 (de) * 2009-06-23 2010-12-30 Robert Bosch Gmbh Elektrische Werkzeugmaschine
US10497524B2 (en) 2014-03-28 2019-12-03 Black & Decker Inc. Integrated electronic switch and control module for a power tool
US10541588B2 (en) 2017-05-24 2020-01-21 Black & Decker Inc. Electronic power module for a power tool having an integrated heat sink

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3225232A (en) * 1962-10-17 1965-12-21 Singer Co Variable speed portable tool
US3327196A (en) * 1965-04-01 1967-06-20 Carling Electric Inc Variable speed control for power hand tools and the like
US3456230A (en) * 1965-08-23 1969-07-15 Lucerne Products Inc Electrical switch apparatus
US3439248A (en) * 1966-01-04 1969-04-15 Singer Co Trigger-actuated motor speed control and switching device having multiple selective positions for setting motor speeds
US3447057A (en) * 1966-07-14 1969-05-27 Cutler Hammer Inc Solid state power controller for a.c. load devices
US3458793A (en) * 1966-09-27 1969-07-29 Ram Tool Corp Permanent magnet motor for hand tools and speed control systems therefor

Also Published As

Publication number Publication date
NL146340B (nl) 1975-06-16
FR2055361A5 (enExample) 1971-05-07
CH515651A (fr) 1971-11-15
DE2024400A1 (de) 1971-03-04
NL7008116A (enExample) 1971-02-01
US3543120A (en) 1970-11-24
BE753657A (fr) 1970-12-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years