USRE23833E - Safety switch - Google Patents
Safety switch Download PDFInfo
- Publication number
- USRE23833E USRE23833E US23833DE USRE23833E US RE23833 E USRE23833 E US RE23833E US 23833D E US23833D E US 23833DE US RE23833 E USRE23833 E US RE23833E
- Authority
- US
- United States
- Prior art keywords
- switch
- lever
- mounting bar
- battery
- socket
- 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
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H17/00—Switches having flexible operating part adapted only for pulling, e.g. cord, chain
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/28—End pieces consisting of a ferrule or sleeve
- H01R11/281—End pieces consisting of a ferrule or sleeve for connections to batteries
- H01R11/287—Intermediate parts between battery post and cable end piece
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- 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
- H01H2001/5877—Electric connections to or between contacts; Terminals with provisions for direct mounting on a battery pole
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/022—Emergency operating parts, e.g. for stop-switch in dangerous conditions
- H01H3/0226—Emergency operating parts, e.g. for stop-switch in dangerous conditions operated by a pull cord
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- This invention relates to safety switches for use in connection with the batteries of automobiles, tractors, airplanes, etc., where instant and easy opening of circuits supplied by a bat tery is desirable, especially from the standpoint of safety, convenience. for repair of circuits and for other reasons.
- toggle linkage is adapted to be manually actuated by a pull rod, cable, or the like, which may be extended to a point at which it is easily accessible to the operator of the vehicle in which the bat tery is used.
- Fig. 1 is a side view of a part of a battery, equipped with. a safety switch embodied by the present invention.
- Fig. 2 is'a perspectiveview of the switch.
- Fig. 3 is a verticalv section through parts of the switch showing the terminal posts of the battery and switch and the switch contacts; the view being substantially on line 3-3 in" Fig. 1.
- Fig. 4 is an enlarged sectional detail on line 4 4- in Fig; 2.
- FIG. 5 is an enlarged sectional detail on line 55 in Fig. 1.
- Fig. 1 For purpose of illustrating the use of the present switch I have, in Fig. 1, shown a portion of a common form of storage battery and the usual form of battery cable whereby a circuit connection is made with one terminal of the battery.
- the battery is here designated by numeral H3, and its terminals are designated at H and it.
- the battery cable is designated by numeral l3 and it is shown as being equipped with a split securing clamp l5, adapted to be applied to the terminal post l2 and tightened and secured by a clamp bolt Hi.
- the present switch comprises a base member which is in the nature of a securing clamp; this member being designated in its entirety by numeral 29.
- t comprises a horizontal mounting bar 2
- the mounting bar is longitudinally split, as at 22, and a clamp bolt 23 is extended directly through the spaced end portions or legs ti id at opposite sides of the split.
- the mounting bar is formed with two spaced, upwardly and outwardly directed legs 25-25, between the upper ends of which one end of a switch lever 28 is pivotally mounted by a pivot bolt 26 that is extended horizontally through these parts.
- the lever 28 extends along and over the mounting bar 2
- Link 30 is pivotally connected at its upper end to the lever 23 by a pivot pin 32.
- Link 351 is connected'at its lower end to the legs t ta l of bar 2
- actuating rod 35 is connected, at one end, to the toggle linkage through the mediacy off the pin 3
- This rod may be extended to a dash board, instrument panel, or to other position accessible to an operator and there equipped with a suitable operating handle, not herein shown, whereby, by a pull on the rod, the switch will be opened and by a push on the rod, the switch will be closed.
- a circuit contact boss til is formed on the under side of the switch lever 28 , and adapted to be flatly engaged therewith upon closing the switch, and to be disengaged therefrom when the switch is opened, thus to close and open a circuit through the switch.
- be faced with buttons of silver, or the like, indicated at Mix and X in Fig. 3, to provide better circuit connections and to avoid pitting.
- On the top side of the switch lever 28 is an integral terminal post 43, preferably corresponding in size and shape to the terminal I2, and adapted to have the cable clamp l5 applied directly thereto as shown in Fig. 1, so that the same cable that ordinarily is applied to the battery terminal post [2, can be usedv with the switch.
- the switch 20 is yieldingly held in closed position by one or more coiled springs 44 which are applied as shown in Fig. 1 across the toggle linkage.
- the ends of the springs 44 are hooked over the ends of the toggle attaching pins 32 and 33.
- the switch lever In order that opening of the switch will break the circuit connection the switch lever must be insulated from the mounting bar 2 I.
- Fig. i it is shown that the pivot pin 26 is encased in an insulating sleeve 48 and the lever 28 is mounted for pivotal action on the insulated sleeve and is spaced from the legs 25 by insulating washers 4949 applied about the sleeve.
- the upper ends of the springs 44 are applied to insulating bushings 50 fitted on the ends of pin 3-2.
- the toggle linkage is of Bakelite, or of other material that is electrically non-conductive, thus there is not electrically non-conductive, thus there is not electrically conductive connection between parts 2
- a compressible rubber sleeve 55 As shown in Figs. 1 and 3. This sleeve is located about the parts 4ll-4l between levers 2
- Switches and operating mechanismof this kind afford easy and quick complete disconnection of the battery circuit from all instruments or motors supplied with current thereby. It not only provides a quick and easy means for disconnecting the battery for testing or repair of parts but also is a safety device whereby all circuits may be opened in case of emergency, as in crash landing of airplanes.
- Switches of this kind may be made in various sizes and in various designs without departing from the spirit of the invention.
- a switch of the character described comprising a mounting bar of electrically conductive material formed on its under side with a downwardlv pening socket adapted to receive therein the terminal post of a typical automobile battery; and having a contact boss integral therewith on its top side, intermediate.
- a switch lever of electrically conductive material disposed above and extending along the said mounting bar and having an insulated, hinged connection at one end with the corresponding end of the bar and having a contact boss on its under side adapted to be engaged with and disengaged from the contact boss on the mounting bar to make and break a circuit connection, by hinging action of said lever, and having a terminal post formed thereon corresponding in size and shape to the battery post for which the mounting bar socket is designed to receive, spring means joining the mounting bar and lever to urge the contact bosses thereon together, and a linkage joining the bar and lever and operable to move them apart to disengage the contact bosses.
- a switch 09 the character described comprising a mounting bar formed on its under side with a downwardly opening socket adapted to receive therein the terminal post of a typical battery; a contact boss integral with the mounting bar and projecting from. its top side, intermediate its ends; a switch lever disposed above and extending along the said mounting bar and being in hinged connection at one end with the corresponding end of the bar, and a contact boss on the under side of the lever to engage with the contact boss on the mounting bar to make a circuit connection by hinging action of said lever, and a terminal post formed on the top side of the lever corresponding in size and shape to the battery post for which the mounting bar socket is designed to receive; spring means and manually operable means each associated with the lever to efiect the engagement of the contact bosses.
- a switch of the character described comprising a mounting bar formed on its under side with a downwardly opening socket adapted to receive therein the terminal post of a typical battery; a contact boss integral with the mounting bar and projecting from its top side, intermediate its ends; a switch lever disposed above and extending along the said mounting bar and being in hinged connection at one end with the corresponding end of the bar, and a contact boss on the under side of the lever to engage with the contact boss on the mounting bar to make a circuit connection by hinging action of said lever, and a terminal post formed on the top side of the lever corresponding in size and shape to the battery post for which the mounting bar socket is designed to receive; spring means joining the mounting bar and lever to urge the contact bosses thereon together, and means associated with the bar and lever operable to move them apart to disengage the contact bosses.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Connection Of Batteries Or Terminals (AREA)
Description
June 1, 1954 M. LESSARD Re. 23,833
SAFETY SWITCH Original Filed July, 18, 1950 INVENTOR. H.M.LE$$A20 Reissuecl June 1, 1954 UN ITED STATES PATENT OFFICE Alfred M. Lessard, Snoqualmie, Wash.
Original No. 2,626,328, dated January-20, 1953, Serial No. 174,396, July 18,. 1950. Application for reissue March 9, 1954, SerialNo. 415,187
Matter enclosed in heavy brackets I: 1 appears in the original patent but'forms no. part of this reissue specification; matter printed in italics indicatesthe additions made by. reissue.
4 Claims.
1 This invention relates to safety switches for use in connection with the batteries of automobiles, tractors, airplanes, etc., where instant and easy opening of circuits supplied by a bat tery is desirable, especially from the standpoint of safety, convenience. for repair of circuits and for other reasons.
It is the principal object of this invention to provide a practical, safe, and efficient switch mechanism that may be easily and readily applied to a battery terminal, and which switch comprises as a part thereof, a terminal post that is adapted to be electrically connected with or disconnected from the battery terminal through the mediacy of the switch mechanism, and to which posta battery cable may be applied in the same manner as it is ordinarily applied to the battery terminal.
It is also an object of this invention to provide a switch mechanism of the character above stated having circuit contacts adapted to be engaged or disengaged for the purpose of closing and opening a circuit between the battery terminal to which the switch is applied and the terminal post of the switch, and which contacts are mounted by hingedly joined members with which a toggle linkage is associated and through which linkage the switch opening or closing action is effected.
It is a further object of'the invention to provide a switch, as above stated, wherein the toggle linkage is adapted to be manually actuated by a pull rod, cable, or the like, which may be extended to a point at which it is easily accessible to the operator of the vehicle in which the bat tery is used.
Still further objects of the invention reside in the details of construction and combination oi parts embodied in the device and inthe mode of use of the switch as will hereinafter be fully described.
In accomplishing these and-other objects of the invention, I have provided the improved details of construction, the preferred forms of which are illustrated in the accompanying drawings, wherein:
Fig. 1 is a side view of a part of a battery, equipped with. a safety switch embodied by the present invention.
Fig. 2 is'a perspectiveview of the switch.
Fig. 3 is a verticalv section through parts of the switch showing the terminal posts of the battery and switch and the switch contacts; the view being substantially on line 3-3 in" Fig. 1.
Fig. 4 is an enlarged sectional detail on line 4 4- in Fig; 2.
present Fig. 5 is an enlarged sectional detail on line 55 in Fig. 1.
Referring more in detail to the drawings:
For purpose of illustrating the use of the present switch I have, in Fig. 1, shown a portion of a common form of storage battery and the usual form of battery cable whereby a circuit connection is made with one terminal of the battery. The battery is here designated by numeral H3, and its terminals are designated at H and it. The battery cable is designated by numeral l3 and it is shown as being equipped with a split securing clamp l5, adapted to be applied to the terminal post l2 and tightened and secured by a clamp bolt Hi.
The present switch, as best shown in Fig. 2, comprises a base member which is in the nature of a securing clamp; this member being designated in its entirety by numeral 29. t comprises a horizontal mounting bar 2| formed with a tapered socket 2| opening to the under thereof and adapted to receive the battery terminal post |2 therein. At one side of the socket, the mounting bar is longitudinally split, as at 22, and a clamp bolt 23 is extended directly through the spaced end portions or legs ti id at opposite sides of the split. At the other side of the socket, the mounting bar is formed with two spaced, upwardly and outwardly directed legs 25-25, between the upper ends of which one end of a switch lever 28 is pivotally mounted by a pivot bolt 26 that is extended horizontally through these parts.
The lever 28 extends along and over the mounting bar 2|, and at that end thereof which is opposite the end secured by pivot bolt it is connected to the ends of-legs Wi 25 of the mounting bar through the mediacy of a switch actuating toggle linkage comprising a pair oi? links 3|i-3|l pivotally connected by pivot pin 3|. Link 30 is pivotally connected at its upper end to the lever 23 by a pivot pin 32. Link 351 is connected'at its lower end to the legs t ta l of bar 2| bya pivot pin 33.
'An actuating rod 35 is connected, at one end, to the toggle linkage through the mediacy off the pin 3|. This rod may be extended to a dash board, instrument panel, or to other position accessible to an operator and there equipped with a suitable operating handle, not herein shown, whereby, by a pull on the rod, the switch will be opened and by a push on the rod, the switch will be closed.
Formed as an integral part of the mounting bar 2|, at the top side and directly over the socket 2|, is a circuit contact boss til in the form of a horizontal disk. Likewise, formed on the under side of the switch lever 28 is a contact boss 4| in an opposed relationship to thecontact 4B, and adapted to be flatly engaged therewith upon closing the switch, and to be disengaged therefrom when the switch is opened, thus to close and open a circuit through the switch.
As shown in Fig. 3, it is desirable that the contacts 4D and 4| be faced with buttons of silver, or the like, indicated at Mix and X in Fig. 3, to provide better circuit connections and to avoid pitting. On the top side of the switch lever 28 is an integral terminal post 43, preferably corresponding in size and shape to the terminal I2, and adapted to have the cable clamp l5 applied directly thereto as shown in Fig. 1, so that the same cable that ordinarily is applied to the battery terminal post [2, can be usedv with the switch.
The switch 20 is yieldingly held in closed position by one or more coiled springs 44 which are applied as shown in Fig. 1 across the toggle linkage. Preferably the ends of the springs 44 are hooked over the ends of the toggle attaching pins 32 and 33.
To disengage the switch contacts, it is only required that a pull be applied to rod 35 that will cause the straightening of the toggle linkage. This linkage, after passing from position shown inFig. 1, very slightly over dead center can be stopped, thus to prevent the springs 44 again closing the switch. For such stopping of the linkage, the lower end of link 30 has been extended, as at 30x in Fig. 1, so as to engage against a shoulder in one of the mounting legs 24.
In order that opening of the switch will break the circuit connection the switch lever must be insulated from the mounting bar 2 I. In Fig. i it is shown that the pivot pin 26 is encased in an insulating sleeve 48 and the lever 28 is mounted for pivotal action on the insulated sleeve and is spaced from the legs 25 by insulating washers 4949 applied about the sleeve. Likewise, at the other end of the switch lever 28, the upper ends of the springs 44 are applied to insulating bushings 50 fitted on the ends of pin 3-2. The toggle linkage is of Bakelite, or of other material that is electrically non-conductive, thus there is not electrically non-conductive, thus there is not electrically conductive connection between parts 2| and 28 except through contacts 40 and 4|.
To protect the contacts 40 and 4|, it is desirable that they be enclosed in a compressible rubber sleeve 55, as shown in Figs. 1 and 3. This sleeve is located about the parts 4ll-4l between levers 2| and 28 and normally encloses the contacts in a weather-tight joint. It in no way interferes with the switch closing action.
Switches and operating mechanismof this kind afford easy and quick complete disconnection of the battery circuit from all instruments or motors supplied with current thereby. It not only provides a quick and easy means for disconnecting the battery for testing or repair of parts but also is a safety device whereby all circuits may be opened in case of emergency, as in crash landing of airplanes.
Switches of this kind may be made in various sizes and in various designs without departing from the spirit of the invention.
Having thus described my invention, what I claim as new therein and desire to secure by Letters Patent is:
1. A switch of the character described comprising a mounting bar of electrically conductive material formed on its under side with a downwardlv pening socket adapted to receive therein the terminal post of a typical automobile battery; and having a contact boss integral therewith on its top side, intermediate. its ends, a switch lever of electrically conductive material, disposed above and extending along the said mounting bar and having an insulated, hinged connection at one end with the corresponding end of the bar and having a contact boss on its under side adapted to be engaged with and disengaged from the contact boss on the mounting bar to make and break a circuit connection, by hinging action of said lever, and having a terminal post formed thereon corresponding in size and shape to the battery post for which the mounting bar socket is designed to receive, spring means joining the mounting bar and lever to urge the contact bosses thereon together, and a linkage joining the bar and lever and operable to move them apart to disengage the contact bosses.
2. A switch 09 the character described comprising a mounting bar formed on its under side with a downwardly opening socket adapted to receive therein the terminal post of a typical battery; a contact boss integral with the mounting bar and projecting from. its top side, intermediate its ends; a switch lever disposed above and extending along the said mounting bar and being in hinged connection at one end with the corresponding end of the bar, and a contact boss on the under side of the lever to engage with the contact boss on the mounting bar to make a circuit connection by hinging action of said lever, and a terminal post formed on the top side of the lever corresponding in size and shape to the battery post for which the mounting bar socket is designed to receive; spring means and manually operable means each associated with the lever to efiect the engagement of the contact bosses.
3. A switch of the character described comprising a mounting bar formed on its under side with a downwardly opening socket adapted to receive therein the terminal post of a typical battery; a contact boss integral with the mounting bar and projecting from its top side, intermediate its ends; a switch lever disposed above and extending along the said mounting bar and being in hinged connection at one end with the corresponding end of the bar, and a contact boss on the under side of the lever to engage with the contact boss on the mounting bar to make a circuit connection by hinging action of said lever, and a terminal post formed on the top side of the lever corresponding in size and shape to the battery post for which the mounting bar socket is designed to receive; spring means joining the mounting bar and lever to urge the contact bosses thereon together, and means associated with the bar and lever operable to move them apart to disengage the contact bosses.
4. A switch as in claim 2 wherein a compressible sleeve is provided about the bosses whereby the bosses are in a weather-tight enclosure.
References Cited in the file, of this patent or the original patent UNITED STATES PATENTS Number Name Date 1,893,046 Austin Jan. 3, 1933 2,545,965 McCamon Mar. 20, 1951 FOREIGN PATENTS Number Country Date 386,426 Great Britain Jan. 19, 1933
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US174396A US2626328A (en) | 1950-07-18 | 1950-07-18 | Safety switch |
Publications (1)
Publication Number | Publication Date |
---|---|
USRE23833E true USRE23833E (en) | 1954-06-01 |
Family
ID=22636007
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US23833D Expired USRE23833E (en) | 1950-07-18 | Safety switch | |
US174396A Expired - Lifetime US2626328A (en) | 1950-07-18 | 1950-07-18 | Safety switch |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US174396A Expired - Lifetime US2626328A (en) | 1950-07-18 | 1950-07-18 | Safety switch |
Country Status (1)
Country | Link |
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US (2) | US2626328A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2860213A (en) * | 1956-12-13 | 1958-11-11 | Russell E Mcnamara | Vehicle battery circuit breaker |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3201551A (en) * | 1962-03-23 | 1965-08-17 | Moloney Electric Company | Air-magnetic type circuit interrupter having planar blowout coils and primary conductor mounted puffer means |
US4310817A (en) * | 1980-05-05 | 1982-01-12 | Mcniel Fred A | Automatic circuit breaking accessory for an electric storage battery |
US20140001705A1 (en) | 2012-07-02 | 2014-01-02 | H. Stephen Goebel | Ring toss game |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1893046A (en) * | 1927-11-02 | 1933-01-03 | Westinghouse Electric & Mfg Co | Circuit interrupter |
GB386426A (en) * | 1931-12-21 | 1933-01-19 | Herbert Robert Cornelius Mccar | A new or improved switch device for use in the electrical systems of automobiles |
US2545965A (en) * | 1947-02-06 | 1951-03-20 | Opal J Mccamon | Master switch |
-
0
- US US23833D patent/USRE23833E/en not_active Expired
-
1950
- 1950-07-18 US US174396A patent/US2626328A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2860213A (en) * | 1956-12-13 | 1958-11-11 | Russell E Mcnamara | Vehicle battery circuit breaker |
Also Published As
Publication number | Publication date |
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US2626328A (en) | 1953-01-20 |
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