US1496841A - Switch - Google Patents

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Publication number
US1496841A
US1496841A US518856A US51885621A US1496841A US 1496841 A US1496841 A US 1496841A US 518856 A US518856 A US 518856A US 51885621 A US51885621 A US 51885621A US 1496841 A US1496841 A US 1496841A
Authority
US
United States
Prior art keywords
casing
switch
handle
contacts
stationary
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 - Lifetime
Application number
US518856A
Other languages
English (en)
Inventor
Conzelmann Heinrich
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.)
Robert Bosch AG
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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
Priority to DENDAT172301D priority Critical patent/DE172301C/de
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to US518856A priority patent/US1496841A/en
Application granted granted Critical
Publication of US1496841A publication Critical patent/US1496841A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H27/00—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings
    • H01H27/06—Key inserted and then turned to effect operation of the switch
    • H01H27/08—Key inserted and then turned to effect operation of the switch wherein the key cannot be removed until the switch is returned to its original position

Definitions

  • the present invention relates to a switch for electric installations, especially for electric ignition and lighting installations of power vehicles.
  • a handle which may assume several pos itions, and besides it a push button is provided.
  • the switch handle mav serve. foi ⁇ instance, for throwing into. an out of, circuit va-V rious ignition devices or lamps or the like,
  • a and the push button may' serve, for instance, for operating a starting electrmnotor or a starting ignition device or the like.
  • switches which have a push button located in the centre portion of theswitch handle, and there has also been provided for them a special detachable key .which in afccrtain position locks 'that handle and may then be drawn olf the switch
  • the distinguishing differencefbetween these known switches and the novel one consists in 'the feature that the switch handle with the push button inserted into it may itself be drawn ofi' the switch csing, whereby, of course, the same protection against unauthorized use of the switch is offered as is done by the specially detachable locking key of the known switch; but this special key and the locking device is now dispensed with.
  • Switches with a detachable handle are falso known, it is true, but no push-button is attached to them.
  • Fig. l is a vertical section through a. switch constructed according to. this invention
  • Fig. 2 is partly a plan and partly a vertical section through the circumfererb tial wall of the front portion of the casing, a portion of the front wall of the casing being broken away.
  • a switch especially for electric instailations of power vehicles, comprising, in
  • A. switch comprising, in combination,
  • a casing a stationary contact enclosed within said casing, a movable contact mounted within s'aid casing for movement-into and out of engagement with said stationary con-v mounted through a wall of said casing a pted to be coupled with saidv movable contact and to be detached from said casing, a push-button carried by said handle means and detachable therewith from said casing, and snother stationary contact within said casing adapted to be engaged hy said pushbutton.
  • a switch comprising, in combination, a
  • handle means detachablyr mounte casing, stationary ⁇ said casin a movable contact mounted within sa' casing for movement intJo and out of engagement with a stationay contact,
  • a switch comprising, m combination, a casin t statlonary and movable contacts enclose within said casing, said movable con- 5 tacts mounted for movement into and out of 20 be detached from4 saidcasi engagement with certain of said stationary contacts, handle means detachably mounted through a wall of said casing, adapted to be coupled with said movable contacts and to and a pnshbutton carried by ⁇ said han le means norl mally out of engagement with said contacts within said casing and ada ted, upon operati'on to engage one of sai stationary contacts.
  • a switch comprising, in combination, a
  • A. switch comprising, in combination, a casing-stationary contacts enclosed within a, rotary member mounted withable contacts aixed Ato'snid rotary member, a-switch lever having o hollow spindle and key projections upon said; spindle, said wall and rotary member be' epertured for the insertion of seid spin e and said rotal member having keyws cooperating wit said key projections or rotation of said member, and a. push-butt1on mounted on 'said lever having a contact-bear' stem extending .throiglh said hollow spin e for engagement wi one -o'f said stationerycontacts.

Landscapes

  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
US518856A 1921-11-03 1921-11-03 Switch Expired - Lifetime US1496841A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DENDAT172301D DE172301C (enrdf_load_stackoverflow) 1921-11-03
US518856A US1496841A (en) 1921-11-03 1921-11-03 Switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US518856A US1496841A (en) 1921-11-03 1921-11-03 Switch

Publications (1)

Publication Number Publication Date
US1496841A true US1496841A (en) 1924-06-10

Family

ID=24065777

Family Applications (1)

Application Number Title Priority Date Filing Date
US518856A Expired - Lifetime US1496841A (en) 1921-11-03 1921-11-03 Switch

Country Status (2)

Country Link
US (1) US1496841A (enrdf_load_stackoverflow)
DE (1) DE172301C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE172301C (enrdf_load_stackoverflow)

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