US3859492A - Switch with housing having lead wire provisions - Google Patents

Switch with housing having lead wire provisions Download PDF

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Publication number
US3859492A
US3859492A US436434A US43643474A US3859492A US 3859492 A US3859492 A US 3859492A US 436434 A US436434 A US 436434A US 43643474 A US43643474 A US 43643474A US 3859492 A US3859492 A US 3859492A
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US
United States
Prior art keywords
end portions
switch
housing
flange
body portion
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
US436434A
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English (en)
Inventor
John R Brandell
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
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US436434A priority Critical patent/US3859492A/en
Priority to JP49133499A priority patent/JPS50104376A/ja
Application granted granted Critical
Publication of US3859492A publication Critical patent/US3859492A/en
Priority to JP1983060886U priority patent/JPS59224U/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button

Definitions

  • ABSTRACT An electric switch wherein the components thereof are enclosed in a housing made up of selfextinguishing material, such as Bakelite, or the like, and embodying a flange on the housing thereof with passageways afforded through the flange and the sidewall of the housing for receiving wires extending into the housing, an opening in the flange for receiving lead-in wires and affording a stop member for preventing accidental withdrawal of wires from the housing, and with a switch actuating member projecting outwardly from the housing.
  • a housing made up of selfextinguishing material, such as Bakelite, or the like, and embodying a flange on the housing thereof with passageways afforded through the flange and the sidewall of the housing for receiving wires extending into the housing, an opening in the flange for receiving lead-in wires and affording a stop member for preventing accidental withdrawal of wires from the housing, and with a switch actuating member projecting outwardly from the housing.
  • This invention relates to electric switches, and, more particularly, to electric switches of the enclosed, selfcontained type.
  • Another object of the present invention is to afford a novel electric switch embodying a housing wherein the parts thereof are constituted and arranged in a novel and expeditious manner, and which is made of self-extinguishing plastic material.
  • An object ancillary to the foregoing is to afford a novel switch which is of such construction that it has such special characteristics, and that it may be embodied in such appliances or devices, wherein the remainder of the appliance or device does not have the aforementioned special characteristics, and thereby enable the appliance or device to obtain the aforementioned approval.
  • Another object of the present invention is to afford a novel switch of the aforementioned type which is practical and efficient in operation and which may be readily and economically produced commercially.
  • FIG. 1 is a top plan view of a switch, embodying the principles of the present invention, showing the switch mounted in operative position in a golf putting game device which is shown fragmentarily;
  • FIG. 2 is a top plan view of the switch shown in FIG. 1 with the cover thereof removed;
  • FIG. 3 is a transverse sectional view taken substantially along the line 3-3 in FIG. 2, with the cover in place;
  • FIG. 4 is a fragmentary detail sectional view taken substantially along the line 4-4 in FIG. 3, with the cover in place.
  • the electric switch 1 embodies a housing 2 having two electrical contact plates 3 and 4 mounted therein, with a push button 5 projecting outwardly from the housing 2 for actuating the switch 1.
  • the housing 2 of the preferred form of switch 1, shown in the drawings, is entirely constructed of a suitable plastic material, which is self-extinguishing insofar as flame resistance and fire resistance characteristics are concerned.
  • a suitable plastic material which is self-extinguishing insofar as flame resistance and fire resistance characteristics are concerned.
  • Such materials are readily available on the market, examples thereof being the materials sold under the trademarks Bakelite and Lucite. It embodies a main body portion 6 having a flange 7 projecting outwardly from the upper edge portion thereof with a cover member 8 removably mounted on the top of the body portion 6 for closing the latter.
  • the body portion 6 of the housing 2 embodies a substantially flat bottom wall 9, two substantially vertical sidewalls l0 and 11 projecting upwardly from respective opposite longitudinal edges of the bottom wall 9, and two substantially vertical end walls 12 and 13 extending upwardly from respective opposite ends of the bottom wall 9.
  • the flange 7 is substantially flat and projects horizontally outwardly from the upper edge portion of the sidewall 10. It has two openings 17 and 18 extending vertically through respective end portions thereof and another opening 19 extending through the central portion thereof.
  • Two elongated grooves or recesses 20 and 21 are formed in the upper faces of the flange 7 and the sidewall 10 and extend completely thereacross in substantially parallel spaced relation to each other, the recess 20 being disposed between the openings 17 and 19, and the recess 21 being disposed between the openings I8 and 19.
  • the upper edges of the walls 10-13 of the body portion 6 are disposed in uniplanar relation to each other, and in the assembled switch 1, the cover 8 which is rectangular in shape, rests on top of the walls 10-13 in position to completely cover the open top of the main body portion 9, one longitudinal edge 22 of the cover 8 being disposed in abutting engagement with the inner, upper edge portion of the flange 7, and the cover 8 being removably secured to the main body portion 6 by a screw or bolt 23 extending downwardly through the cover 8 and threadedly engaged in the boss 16.
  • Each of the electric contact plates 3 and 4 embodies a substantially flat, L-shaped top wall 24, having two legs 25 and 26, and a sidewall 27 projecting downwardly from the outer end of the respective leg 25.
  • Each of the top walls 24 embodies two openings 28 and 29 extending vertically through the'legs 25 and 26. respectively and the contact plates 3 and 4 areenclosed on the upper faces of the supporting members 14 and 15, respectively, with the openings 28 disposed around posts or abutment members 30 projecting upwardly from the respective supporting members 14 and 15, and with screws or bolts 31 extending downwardly through the openings 29 and threadedly secured in the respective supporting members 14 and 15, to thereby secure the electric contact plates 3 and 4 in operative position in the main body portion 6 of the housing 2.
  • the contact plate 4 has a contact member, in the form of a button 32, which may be made of any suitable material such as, for example, tungsten, projecting outwardly from the outer face of the sidewall 27 thereof.
  • the sidewall 27 of the contact plate 3 includes an elongated, resilient extension member 33 projecting horizontally therefrom.
  • the extension 33 extends past the contact plate 4 and has a free end portion 34 which is disposed at an obtuse angle to a substantially flat, main body portion 35 of the extension 33.
  • Another contact member in the form of a button 36 which may be of any suitable material such as, for example, the aforementionedtungsten is mounted on and carried by the main body portion 35 of the extension 33 in directly oppositely disposed relation to the contact member 32.
  • the contact plates 3 and 4 may be made of any suitable material, such as, for example, copper, and the extension 33 is flexible and resilient so that it may be flexed around its junction with the leg 25 of the contact plate 3 toward and away from the-contact plate 34, to thereby move the contact member 36 into and out of engagement with the contact member 32.
  • the extension 33 In its normal at-rest position, the extension 33 is so disposed that the contact member 36'is disposed in outwardly spaced relation to the contact member 32, FIG. 2.
  • the push button embodies an elongated, substantially straight shank 37 extending through, and slidably mounted in an opening 38 extending through a corner 39 of the main body portion 6 of the housing 2, the corner 39 being an angularly offset interconnection of the sidewall 11 and the end wall 13.
  • the shank 37 preferably is disposed in the opening 38 with a relatively snug but freely slidably tit
  • the push button 5 embodies an enlarged head 40 mounted on the inner end of the shank 37 and disposed in abutting engagement with the outer face of the outer end portion 34 of the elongated extension 33 of the electric contact plate 3.
  • the push button 5 may be made of any suitable electrically non-conductive material, such as,for example, the aforementioned plastic material sold under the trademark Bakelite or the trademark Lucite, and is manually operable so that inward pressure exerted on the outer end of the shank 37 manually, or by other means such as by engagement with a golf ball, is effective to flex the extension 33 of the contact plate 3 inwardly and thereby engage the contact member 32 and 33.
  • the extension 33 Upon release of the aforementioned outer end of the shank 37, the extension 33 is operable to again flex outwardly relative to the contact plate 4 and thereby move the contact member 36 outwardly away from the contact member 32 and move the push button 5 outwardly into its normal at-rest position in the housing 2, shown in FIG. 2.
  • an electric cord such as, for example, the cord 41, shown in the drawings, which embodies a proximal end portion to be attached to switch 1, and a distal end portion to be attached to a suitable source of power, not shown, may be inserted upwardly through the opening 19 in the flange 7.
  • the cord 41 embodies two lead wires 42 and 43, and a knot such as the knot 44, which is of such a size that it will not pass through the opening 19, may be tied in the proximal end portions of the wires 42 and 43 above the opening 19 so as to prevent the cord 41 from being pulled through the opening 19 toward the distal end portion thereof by tension applied to the cord 41, and the like.
  • the free proximal end portion of the lead wire 42 may be disposed in the depression 20 and operatively connected to the contact plate 3 by suitable means such as a screw or bolt 45.
  • the free proximal end portion of the other lead wire 43 may be retained outside of the housing 2 in position to be connected to a suitable article such as, for example, to one end of the coil of a solenoid, such as the solenoid 46 shown in FIG. 1.
  • a suitable article such as, for example, to one end of the coil of a solenoid, such as the solenoid 46 shown in FIG. 1.
  • the contact plate 4 may be connected to the contact plate 4 by suitable means such as a screw or bolt 48, and the wire 47 may be disposed in the other recess 21 so as to dispose the other end thereof in outwardly projecting relation to the housing 2, in which position it is available for connection to a suitable article such as, for example, the other end of the coil of the relay 46 shown in FIG. 1.
  • the cover 8 may be placed in operative position on top of the main body portion 6, wherein it is effective to close the latter, and may be releasably secured in such position by the screw or bolt 23.
  • the know 44 is constructed to prevent the proximal end portions of the wires 42 and 43 from being pulled downwardly through the opening 19 by tension on the cord 41 at the side of the flange 7 remote from the knot 4, so that it protects the connection of the lead wire 42 to the switch plate 3 and the connection of the lead wire 43 to the aforementioned article from undue strain being placed thereon.
  • the switch 1 constructed in the aforementioned manner, it affords an effective switch which may be operatively disposed in units, such as, the aforementioned golf putting practice game shown in FIG. 1, wherein the major portion of such a game, or the like, may be made of cheaper plastic material than that from which the housing 2 and cover 8 are formed, while still preventing effective, adequate protection against electric shock, fire, and the like.
  • the present invention affords a novel electric switch which is practical and efficient in operation, and which may be readily and economically produced commercially.
  • a switch comprising a. a housing comprising l. a main body portion having an open top, and 2. a flange projecting substantially horizontally outwardly from the upper edge of one sidewall of said body portion, b. said housing having two elongated, upwardly opening recesses extending transversely across said flange and said sidewall, c. said flange having an opening extending vertically therethrough. d. two contact members disposed in said body portion in spaced relation to each other, e. a cover member mounted on said main body in closing relation to said top, f. an elongated wire I. having one end connected to one of said contact members, and
  • h. means on said proximal end portions and disposed on the side of said flange remote from said distal end portions for preventing longitudinal movement of said proximal end portions through said opening in a direction toward said distal end portions,
  • a switch as defined in claim 1 and in which a. said means for moving said resilient portion comprises an electrically non-conductive push button 1. operatively connected to one end portion of said elongated resilient portion, and 2. slidably mounted in a sidewall of said body portion. 6.
  • a. said push button projects outwardly from said body portion 1. on the side thereof remote from said flange and 2. in a direction opposite to that in which said flange projects from said body portion. 7.
  • said means for connecting said contact members comprises 1. an elongated, resilient portion of one of said contact members having a. a normal position wherein it is disposed in spaced relation to the other of said contact members, and b. an actuated position wherein it is disposed in engagement with said last mentioned other contact member, and 2. means projecting outwardly of said housing and manually operable for moving said resilient portion from said normal position to said closed position, and c. said means for moving said resilient portion comprises and electrically non-conductive push button I. operatively connected to one end portion of said elongated resilient portion, and 2. slidably mounted in a sidewall of said body portion.
  • a switch as defined in claim 7, and in which a.
  • said push button projects outwardly from said body portion 1. on the side thereof remote from said flange and plastic material. 2. in a direction opposite to that in which said 10.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Push-Button Switches (AREA)
US436434A 1974-01-25 1974-01-25 Switch with housing having lead wire provisions Expired - Lifetime US3859492A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US436434A US3859492A (en) 1974-01-25 1974-01-25 Switch with housing having lead wire provisions
JP49133499A JPS50104376A (enExample) 1974-01-25 1974-11-20
JP1983060886U JPS59224U (ja) 1974-01-25 1983-04-25 密閉内蔵型電気スイツチ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US436434A US3859492A (en) 1974-01-25 1974-01-25 Switch with housing having lead wire provisions

Publications (1)

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US3859492A true US3859492A (en) 1975-01-07

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US436434A Expired - Lifetime US3859492A (en) 1974-01-25 1974-01-25 Switch with housing having lead wire provisions

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US (1) US3859492A (enExample)
JP (2) JPS50104376A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5881865A (en) * 1998-04-03 1999-03-16 Jang; Huey Ju Electric switch housing

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2755567C2 (de) * 1977-12-09 1983-11-10 Siemens AG, 1000 Berlin und 8000 München Niederspannungs-Leistungsschalter mit einem aus Oberteil und Unterteil bestehenden Isolierstoffgehäuse

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3739128A (en) * 1971-09-30 1973-06-12 Killark Electric Mfg Co Flame proof thermostat box
US3799555A (en) * 1972-06-05 1974-03-26 Brandell Prod Corp Golf putting practice device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3294931A (en) * 1964-04-01 1966-12-27 Olivetti & Co Spa Two-circuit snap-action electrical switch having a single blade spring

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3739128A (en) * 1971-09-30 1973-06-12 Killark Electric Mfg Co Flame proof thermostat box
US3799555A (en) * 1972-06-05 1974-03-26 Brandell Prod Corp Golf putting practice device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5881865A (en) * 1998-04-03 1999-03-16 Jang; Huey Ju Electric switch housing

Also Published As

Publication number Publication date
JPS50104376A (enExample) 1975-08-18
JPS59224U (ja) 1984-01-05

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