GB306822A - Improvements in or relating to electric switches - Google Patents

Improvements in or relating to electric switches

Info

Publication number
GB306822A
GB306822A GB5363/29A GB536329A GB306822A GB 306822 A GB306822 A GB 306822A GB 5363/29 A GB5363/29 A GB 5363/29A GB 536329 A GB536329 A GB 536329A GB 306822 A GB306822 A GB 306822A
Authority
GB
United Kingdom
Prior art keywords
relating
electric switches
switches
electric
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
GB5363/29A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB306822A publication Critical patent/GB306822A/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
    • B23B45/001—Housing of the drill, e.g. handgrip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
    • B23B45/02—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by electric power

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
GB5363/29A 1928-02-25 1929-02-18 Improvements in or relating to electric switches Expired GB306822A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US256895A US1741406A (en) 1928-02-25 1928-02-25 Switch

Publications (1)

Publication Number Publication Date
GB306822A true GB306822A (en) 1930-02-27

Family

ID=22974048

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5363/29A Expired GB306822A (en) 1928-02-25 1929-02-18 Improvements in or relating to electric switches

Country Status (3)

Country Link
US (1) US1741406A (en)
FR (1) FR670146A (en)
GB (1) GB306822A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2512407A (en) * 1944-06-02 1950-06-20 Wood Barbara Isabel Motor shaft coupling
US2523170A (en) * 1949-05-24 1950-09-19 Westinghouse Electric Corp Pendant switch for crane control
US2798915A (en) * 1954-01-04 1957-07-09 James P Watson Snap acting mechanism
US4667119A (en) * 1984-07-30 1987-05-19 Holmes Zealy M Trigger switch
EP0321594A1 (en) * 1987-12-21 1989-06-28 van Laere, Christiaan G.M. Electric rotary power tool apparatus holdable by hand during operation, kit comprising the same, and novel switch means therefor
WO2001041958A1 (en) * 1999-11-23 2001-06-14 Javier Felices Palacio Electrical safety switch for machinery
ES2164007B1 (en) * 1999-11-23 2003-05-16 Palacio Javier Felices ELECTRICAL SAFETY PRESSURE SWITCH FOR MACHINERY.

Also Published As

Publication number Publication date
US1741406A (en) 1929-12-31
FR670146A (en) 1929-11-25

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