US3044806A - Compound electrical switch - Google Patents

Compound electrical switch Download PDF

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Publication number
US3044806A
US3044806A US39350A US3935060A US3044806A US 3044806 A US3044806 A US 3044806A US 39350 A US39350 A US 39350A US 3935060 A US3935060 A US 3935060A US 3044806 A US3044806 A US 3044806A
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US
United States
Prior art keywords
units
parts
recess
lug
unit
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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
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US39350A
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English (en)
Inventor
Karl Preissler
Gottfried Alsch
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Individual
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Individual
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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
    • H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
    • H02B1/044—Mounting through openings
    • 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
    • H01H19/64—Encased switches adapted for ganged operation when assembled in a line with identical switches, e.g. stacked switches
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7075—Interfitted members including discrete retainer

Definitions

  • the units forming the switch must be connected to form an assembly. This is effected in most cases by bolts, which extend parallel to the axis of the units.
  • bolts which extend parallel to the axis of the units.
  • a special adapter is in terpos-ed between the switch body and the switchboard.
  • bayonet joints in electric engineering is not new and is conventional, e.g. in cable couplings or plug connections. It is new, however, in its application to electrical equipment the component parts of which are subjected to substantial impact forces, particularly to switches, contactors, brake-lifting magnets and the like.
  • each of the two boundary faces of the units to be connected carries at least one female part as well as one male part of the bayonet connection and in which these female and male parts are so dimensioned as to interengage with each other. If this special design of a bayonet connection is applied to parts of electrical equipment having a central axis, the female and male parts will preferably be arranged with radial symmetry relative to this axis.
  • FIG. 1 is a sectional view showing the arrangement of the female and male parts
  • FIG. 2 is an end view of a switch component, having a central axis, of a cam-operated switch mechanism
  • FIGS. 3 and 4 are sectional views taken on lines IIIIII and lV-IV, respectively, of FIG. 2;
  • FIG. 5 is a plan view of a locking member according to the invention.
  • FIG. 6 is a cross-sectional view taken along line VI-VI of FIG. 5; and 1 FIG. 7 is a similar view taken along line VII-VII of FIG. 5.
  • each of the components 1 and 2 has a female part or recess 4- as well as a male part or lug 5 and that where a female part 4- is disposed at one end face in of one component unit 1 a male part is disposed at the confronting end face of the other component unit 2 and vice versa and that the female and male parts of both units 1 and 2 are equally spaced by the distance a; the female and male parts of each unit are so dimensioned as to interengage with each other.
  • the recesses 4 and the lugs 5 are alternatingly arranged around the periphery of the component and are radially symmetrically arranged with respect to the center 0.
  • two components provided in this way with corresponding bayonet elements can be assembled as has already been described it the rear side of the part of construction shown in FIG. 2 is also provided with bayonet connection elements in the manner explained with reference to FIG. 1.
  • FIG. 1 It is also apparent from FIG. 1 that the two units 1 and 2 must perform a displacement in the direction A to effect the locking. This movement has the dimension b. This consideration can find logical application in FIG. 2 with the difference that the movement A is a rotation about 0.
  • FIG. 1 could be imagined to be an enlarged sectional view, taken on line I-I of FIG. 2 and developed into a plane. It is thus apparent that the cavities 6 of FIG. 1 correspond in FIG. 2 to peripherally open recesses or to recesses which can easily be made peripherally open, e.g., if the bayonet parts 4, 5, FIG. 2, are disposed at the periphery of unit 2, as is the case for FIG. 2.
  • peripherally open recesses can be conveniently used to accommodate locking members which are radially inserted into these recesses in the direction toward the center of the part of construction 2 and thus prevent a reverse rotation of the interlocked parts to the release position. These locking members must be appropriately protected against falling out of the recesses in which they are disposed.
  • FIGS. -7 one such locking member 10 is shown. It consists of a member having an external shape conforming to the shape of the recess and constituting, as a rule, a sector of a ring. This member has cuts 11, 12 and 13 to form a tongue 14, which tends to spring outwardly and thus to anchor like a rib in a mating enlargement of the above-mentioned recess 6, which has for this purpose an undercut or wall recess (16in FIG. 1) provided in its side walls.
  • a screwdriver into the recess 17 of the tongue 14 the tongue can be removed from the recess 16 so that the insert or locking member 10 can be removed from the recess 6.
  • this insert 10 consists of a synthetic thermoplastic of adequate strength and elasticity.
  • FIG. 4 In the illustrative embodiment shown in FIG. 4 it is assumed that there are four interengaging pairs of females and males. It is apparent, however, that this is not essential because any other number of pairs may also be provided.
  • One of the prefabricated units to be assembled may have a larger number of bayonet parts than the other units. It is only essential that at least one mating part is provided on the other part and that the part having fewer bayonet connection elements is formed with cavities into which the unutilized bayonet connection elements of the other parts can extend. It is not essential, of course, that parts 1 and 2 are in snug engagement along a plane, as is shown in FIG. 1. Parts 1 and 2 or at least one of them may be so designed that there is a clearance between parts 1 and 2. Nor is it essential to lock the parts relative to each other by the inserts shown in FIGS. 5-7.
  • a compound electrical switch comprising at least two component units having confronting end surfaces, each of said surfaces being provided with a pair of spacedapart connecting elements forming a bayonet coupling with a pair of spaced-apart complementary connecting elements on the respectively opposite surface, thereby securing said units in a predetermined aligned position; one of said units being provided with a recess open at its end surface and at its periphery, said one unit also having a projection partly overlying said recess and constituting one of said connecting elements, the other of said units being provided with a lug projecting from its end surface and constituting another of said connecting elements complementarily therewith, said lug being insertable into said recess and engageable with said projection upon a relative displacement of said confronting end surfaces, said lug forming with the walls of said recess a channel opening at the periphery of said one of said units; and a resilient locking member inserted into said channel and bearing upon said lug and a wall of said recess opposite said lug for preventing
  • a compound electrical switch comprising at least two generally disk-shaped component units having confronting end surfaces, each of said surfaces being provided with a pair of diametrically spaced peripheral connecting elements forming a bayonet coupling with a pair of diametrically spaced peripheral complementary connecting elements on the respectively opposite surface, thereby securing said units in substantially axial alignment; one of said units being provided wtih a recess open at its end surface and at its periphery, said one unit also having a projection partly overlying said recess and constituting one of said connecting elements, the other of said units being provided with a lug projecting from its end surface and constituting another of said connecting elements complementarily therewith, said lug being insertable into said recess and engageable with said projection upon a relative angular displacement of said units, said lug forming with the walls of said recess a channel opening at the periphery of said one of said units; and a resilient locking member inserted into said channel and bearing upon said lug and a wall of said reces
  • a compound electrical switch comprising a plurality of stacked component units each having a pair of generally parallel end surfaces confronting respective end surfaces of adjacent units, one of said end surfaces of one unit being provided with a pair of spaced-apart connecting elements forming a bayonet coupling with a pair of spaced-apart complementary connecting elements on the juxtaposed surface of an adjacent unit, thereby securing said one unit to said adjacent unit in a predetermined aligned position; said one unit being provided with a recess at its end surface confronting said juxtaposed surface and at its periphery, said one unit further having a projection partly overlying said recess and constituting one of said connecting elements, said adjacent unit being provided with a lug projecting from said juxtaposed surface and constituting another one of said connecting elements complementarily therewith, said lug being insertable into said recess and engageable with said projection upon a relative displacement of said one unit and said adjacent unit, said lug forming with the walls of said recess a channel opening at said periphery of

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Gasket Seals (AREA)
  • Switch Cases, Indication, And Locking (AREA)
US39350A 1959-07-10 1960-06-28 Compound electrical switch Expired - Lifetime US3044806A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT504959A AT212910B (de) 1959-07-10 1959-07-10 Einrichtung zur Verbindung von Baueinheiten elektrischer Geräte

Publications (1)

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US3044806A true US3044806A (en) 1962-07-17

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ID=29588217

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Application Number Title Priority Date Filing Date
US39350A Expired - Lifetime US3044806A (en) 1959-07-10 1960-06-28 Compound electrical switch

Country Status (4)

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US (1) US3044806A (de)
AT (2) AT194470B (de)
ES (1) ES259493A1 (de)
SE (1) SE328621B (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3356398A (en) * 1964-04-01 1967-12-05 Nilsson Jan Ake Jointing devices for concrete piles
US3504500A (en) * 1967-05-17 1970-04-07 Johnson Construction Co Ab Pile jointing device
US3680898A (en) * 1970-05-25 1972-08-01 Frederick H Herrmann Furniture joint
US20030157521A1 (en) * 1999-04-12 2003-08-21 Afar Daniel E. Novel 13-transmembrane protein expressed in prostate cancer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US466883A (en) * 1892-01-12 Carl baciiem
US1596858A (en) * 1925-02-06 1926-08-17 Alfred Mccullough Tank closure
US1818261A (en) * 1927-10-14 1931-08-11 Dick H Koch Coupling
FR725583A (fr) * 1931-11-04 1932-05-13 Dispositif de liaison à emboîtement permettant de verrouiller dans le sens axial deux pièces susceptibles de tourner l'une par rapport à l'autre
GB664349A (en) * 1948-02-18 1952-01-02 Hirst And Son Ltd A Packing means for work holding and the like

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US466883A (en) * 1892-01-12 Carl baciiem
US1596858A (en) * 1925-02-06 1926-08-17 Alfred Mccullough Tank closure
US1818261A (en) * 1927-10-14 1931-08-11 Dick H Koch Coupling
FR725583A (fr) * 1931-11-04 1932-05-13 Dispositif de liaison à emboîtement permettant de verrouiller dans le sens axial deux pièces susceptibles de tourner l'une par rapport à l'autre
GB664349A (en) * 1948-02-18 1952-01-02 Hirst And Son Ltd A Packing means for work holding and the like

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3356398A (en) * 1964-04-01 1967-12-05 Nilsson Jan Ake Jointing devices for concrete piles
US3504500A (en) * 1967-05-17 1970-04-07 Johnson Construction Co Ab Pile jointing device
US3680898A (en) * 1970-05-25 1972-08-01 Frederick H Herrmann Furniture joint
US20030157521A1 (en) * 1999-04-12 2003-08-21 Afar Daniel E. Novel 13-transmembrane protein expressed in prostate cancer

Also Published As

Publication number Publication date
ES259493A1 (es) 1960-11-16
SE328621B (de) 1970-09-21
AT212910B (de) 1961-01-10
AT194470B (de) 1958-01-10

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