US3794824A - Flashlight construction - Google Patents

Flashlight construction Download PDF

Info

Publication number
US3794824A
US3794824A US00291593A US3794824DA US3794824A US 3794824 A US3794824 A US 3794824A US 00291593 A US00291593 A US 00291593A US 3794824D A US3794824D A US 3794824DA US 3794824 A US3794824 A US 3794824A
Authority
US
United States
Prior art keywords
bulb
housing
spring
socket
battery
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
US00291593A
Other languages
English (en)
Inventor
J Bacevius
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
Application granted granted Critical
Publication of US3794824A publication Critical patent/US3794824A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L2/00—Systems of electric lighting devices

Definitions

  • This disclosure is directed to a flashlight COnslructinn of a disposable type having a housing configuration defining a lens opening for receiving a reflector and hulh sub-assembly.
  • a bulb socket forming a portion of the reflector includes retaining means whereby the bulb can be readily snapped or threaded with the aid of an adaptor into position and retained within the bulb socket to define the sub-assembly.
  • a pair of spring contact members connect the bulb intu electrical circuit with a battery source of electrical energy
  • the arrangement of the spring contact memhers and the configuration of the housing is such so its to render nptinnul the type and/0r size of the battery which cam he used within the hnusing without requiring any. change in the physical arrangement of the housing and/0r rearrangement of any of the component palm of the flashlight construction.
  • the flashlight constructions heretofore known, particulttrly the disposable type flashlights. have been constructed so that only a particular type or size of battery could be utilized therewith. Therefore in the event that it became necessary to effect a change in the size and- ⁇ or shape of a battery. as for example. when a battery supplier changes the shape of a battery or in the event a battery supplier terminated manufacture and/or availability of a particular type of battery. a flashlight manufacturer would then be forced to completely rcconstruct and/or redesign the flashlight housing and the mechanical components thereof in order to adapt to any new change in the available battery sizes and shapes.
  • This invention is also directed to a flashlight construction in which the components are arranged to substantially enhance the assembly thereof to provide a flashlight which is simple and positive in operation.
  • the bulb is loosely positioned within the bulb socket and physically held in place thereby by an assemblyman as the other components are assembled.
  • the reflector was required to be first assembled to the housing and thereafter the bulb in turn assembled to the reflector. Because the bulb is generally not threaded or otherwise retained in position in the flashlight consiructions of the type to which this disclosure is di rccted, considerable difficulty had been encountered in positioning and maintaining the bulb in position within the socket until the other elements or component parts of the flashlight were assembled.
  • the bulb would frequently fall out of the socket. and invariably would result in a defective bulb.
  • An object of this invention is to provide a flashlight construction of the relatively inexpensive type having an improved reflector bulb assembly so as to facilitate the overall assembly of the flashlight construction.
  • Another object ol'this invention is to provide a flashlight construction having a housing configuration and operatively associated components whereby the housing construction and the operating component parts can be utilized with more than one type and/r size of battery without necessitating any change in the conttruction or operation thereof.
  • Another object of this invention is to provide a relalively inexpensive flashlight construction which permits positive mechanical action with any of the optional st" lections of available batteries.
  • Another object is to provide a fliashlight construction having a reflector which isreadily adapted to receive either a snap fitted bulb or a screw type bulb.
  • Another object of this invention is to provide in n flashlight construction an arrangement of a bulb and reflector sub-assembly which may be pre-assembled so as to facilitate the overall assembly of the flashlight consiruction.
  • Another object of this invention is to provide an int proved flashlight construction wherein the time. cost and effort in effecting the assembly of the flashlight l's reduced to a minimum.
  • the foregoing objects and other features and advztn tages of this invention are attained by a flashlight Cttltstruction which is particularly applicable to the making of a disposable flashlight.
  • the flashlight Compriscs ll housing defining a pair of complementary shell portions which in the assembled position thereof define .t lens opening.
  • a reflector having a bulb socket integrally connected thereto wlcrcin the bulb can he I'Llltiily preassembled to the reflector and loosely. but posttively retained in the bulb socltcl thereof, for assembly.
  • a pair of con ducting spring contact members particularly urrungcd to connect the bulb into and out of electrical circuit with a battery means adapted to be confined within the housing are a pair of con ducting spring contact members particularly urrungcd to connect the bulb into and out of electrical circuit with a battery means adapted to be confined within the housing.
  • the arrangement is such that one of the conducting spring contact members connects one clcc trode ofthe battery means in electrical Contact with tltc bulb.
  • the other spring contact member is connected at one end into electrical contact with the bulb. and hming its other end free to flex in and out ofconlact with the other electrode of the battery means to make and break the circuit to the bulb.
  • a slide switch is npcrzttively associated with the remote or other end of the second contact member to effect a flexing of the remote end between an "on" and off position.
  • Coopct stively associated with the slide switch is a guide or flange which is disposed to position and guide the flc ing end of the second contact member in assembling and during operation.
  • the internal walls of the complementary shell portions are formed with internal ribbing arranged to accommodate and locate the optional battery sizes and/or shapes within the housing in a manner so as to make it unnecessary to change the shape of the housing and/or the shape and function of the mechanical Components of the flashlight.
  • the internal ribbings are disposed to locate either a multi-cell unitary block type of batter) configuration or a plurality of round or cylindrical in dependent battery cells. When the round independent battery cells are used.
  • a third spring contact is disposed within the housing for connecting the independent buttery cells into electrical series circuit arrangement; and for exerting a spring bias on the respective batteries to insure positive electrical contact and assembly holding pressure.
  • a feature of this invention resides in the provision ot a flashlight construction having a minimum number of component parts positively disposed with respect to one another so as to insure positive and fool-proof mechanical operation of the flashlight.
  • Another feature of this invention resides in the provision of a reflector bulb sub-assembly in which the bulb may be pre-assembled to,the light reflector so that the reflector and bulb subassembly may be assembled as a component part to the housing construction to facilitate the overall assembly of the flashlight.
  • a flashlight housing formed of complementary shell portions having internal ribbing arranged to facilitate the locating and/or positioning of the optional types of battery means within the housing.
  • Another feature of this invention resides in a disposahle flashlight having an improved switching arrangement for making and breaking the circuit to the light bulb in which the switch is recessed to prohibit accidental energizing.
  • Another feature resides in the provision of an adapter which can be readily fitted to the bulb socket olthc reflector for adapting the bulb socket for receiving a screw type bulb.
  • FIG. I is a sectional elevation view of a flashlight construction embodying the present invention.
  • FIG. 2 is a detailed perspective view of the slide switch utilized in the embodiment of FIG. I.
  • FIG. 3 is a detailed perspective view of the bulb reflrctor and associated bulb socket.
  • FIG. 4 is a sectional view of the reflector and bulb sub-assembly.
  • FIG. Si Sis a fragmentary detail of a modified construction of the invention.
  • FIG. 6 is a cross-sectional plan view taken along lines 6-6 on FIG. I to illustrate the relative position of the respective optional type batteries adapted to be used in conjunction with the flashlight construction of FIG. I.
  • FIG. 7 is an inside plan view of a complementary housing section of the flashlight construction.
  • FIG. 7A is a cross-sectional view taken along line 7A-7A of FIG. I.
  • FIG. Bis an end view looking along line 8-8 on FIG. 7.
  • FIG. 9 is an inside plan view of the other complementary housing section.
  • FIG. I is an end view looking along line I0-I0 on FIG. 9.
  • FIG. II is a sectional view taken along line II-II on FIG. 9.
  • FIG. I2 is a detailed sectional view of a modified construction.
  • FIG. I3 is a detailed perspective view of the adapter utilized in the modified construction of FIG. [2.
  • FIG. I a flashlight construction I00 embodying the present invention.
  • the flashlight construction I00 of FIG. I is particularly adapted for use in the construction of a relativcly inexpensive flashlight c.g., the disposable type of flashlight.
  • the flashlight construction I00 comprises essentially ofa housing IOI defined by complementary shell or dish shaped sections IOIA. 1018 which are constructed to be butted into edge to edge relationship to define the housing Ifll.
  • each shell portion 101A, IOIB comprises a sidewall portion I02 and IQZA having a circumscribed, inturned end wall portion to define a bottom wall half section I03. 103A. a front wall hall'section 104, NA.
  • a lens opening I07, I07A is defined in the upper end thereof immediately above the front wall portion 104, MA.
  • the lens opening I07, I0'7A is defined with opposed grooves I08.
  • I08A adapted to receive the lateral flanges I09 of a bulb reflector IIO and a lens or window III.
  • FIG. 9 is also formed with internal guides to position and retain the various components, e.g., reflector I I0, contact springs or conduct ing members I15 and I26 and bulb base I [7A.
  • the housing sec tion IOIA in the upper portion thereof in the vicinity of the reflector I10 is provided with an inwardly ex tending arcuate rib I40 having a seat defining cur e [41 arranged to engage and stabilize the reflector H0 in the assembled position.
  • a second inwardly extending arcuate rib I42 is provided '0 provide a saddle for to DCving the bulb socket portion IIJ of the reflector in 4 the assembled position.
  • a further rib I43 is provided to form a saddle for the bulb base portion II7A in the asscmbled position.
  • n guide rib I44 which extends inwardly and parallel to the top wall I06 adjacent a recess switch location I30.
  • Guide rib I44 functions to guide the switch I29 in the assembled position of the flashlight as flange 129D of switch 129 is guided thereby. and to prohibit any mis alignment of the contact strip I26 either during assembly or during operation of the light. which in either event would adversely effect the operation of the light.
  • Housing section is also provided with complementary rib portions A, I42A and I43A to provide a saddle for locating the reflector I10, its bulb socket H3 and the bulb base II7A in the assembled position of the housing.
  • the upper transverse ribs I22 extend to substantially the medial portion of the housing in the assembled position with the portion extending beneath the switch opening I30 cut away as indicated at I22A in FIG. II.
  • a vertical reinforcing rib I45 extends between said transverse rib I22 and pin I28.
  • a transverse reinforcing rib I46 extends hctween saddle rib I42, I43 and reinforcing rib I45.
  • shell portions IOIA and lOlll are preferably formed of molded plastic and that the guides. saddles and reinforcing ribs are integrally formed with the respective half sections IOIA. loll] Referring to FIGS.
  • the bulb reflector Ill comprises a concave reflector portion IIOA terminating in a bulb opening III which is circumscribed by a bulb socket IIJ. As best seen in FIGS. 3 and 4. a cir cumferential portion of the bulb socket is cut away to define a slotted opening Il4. An inturn shoulder IIS circumscribing the bulb opening or inner end of the bulb socket II3 defines a bulb seat.
  • a plurality of retaining means Spaced from the shoulder H5 or bulb seat, and can Cul'HICICl'tIltllly spaced about the Internal periphery I l the bulb socket 113 are a plurality of retaining means in the form of inwardly extending bosses I16.
  • the bulb I17 adapted for use in the light construction of FIG. I comprises a base portion 117A having a laterally extending flan e or collar 118.
  • the arrangement is such that the bulb I I7 can be pre'assembled to the reflector III) by simply locating the bulb 117 so that the collar I18 can be readily strapped into position between the internal'shoulder I and the retaining bosses I I6.
  • the spacing between the shoulder 11S and the retaining bosses 116 is sufficiently large to receive the bulb collar inserted into the bulb socket by a simple snapping of the collar past the retaining means 116 so that in the pre -assembled relationship thereof. as seen in FIG. 4, the bulb is loosely.
  • the reflector bulb.sub-assembly can be readily assembled thereto as a unit.
  • the complementary shell por lions 101A, IOIIl are each provided with opposed longitudinally extending ribs II) which project inwardly of the housing.
  • the housing or shells in the assembled position define a battery chamber 120 to receive either a pair of round, independent battery cells 121. as shown in solid lines in FIG. I. or a unitary block type battery I2IA (dotted).
  • the housing can accommodate a round type of battery. e.g.. a "C" type dry cell wherein the opposed ribs 119 function to locate the batteries 12] lhcrebetween as shown in FIG. 6-
  • Upper and lower transverse ribs I22 and 123 are provided to positively retain the respective battery cells 121 in position within the housing in the assembled position thereof.
  • a block type battery e.g., a 3 cell unitary block I21A may be disposed within battery chamber 120 of the housing as evident in FIGS. 1 and 6.
  • a conducting member 124 in the form of a substantially U- or V-shaped spring member is secured adjacent to the bottom of the battery housing with the opposed arms 124A thereof being disposed in electrical contact with the electrodes of the battery 121 so as to connect the independent cells in series circuit relationship.
  • the conducting member being formed of spring material. will also exert a spring bias or force on the batteries tending to maintain the respective cells in position to be positively electrically engaged by the spring contact members 125 and 126 adapted to circuit with the battery means.
  • bulb contact members 125. I26 include a first spring contact 125 for connecting the bulb into positive electrical contact with one electrode or side of the battery means 121 or 121A.
  • the bulb contact strip I comprises flat conducting spring or wire having a reverse bent portion 125A. the free end of which is disposed into electrical contact with the electrode of the battery means 121 0r 121A.
  • the other end 1258 of the contact member 125 is bent so as to efl'ect electrical contact with the base end of the bulb 117.
  • the contact 125 may be provided with a dimpled or recessed portion to accommodate and provide positive engagement with the base end of the bulb H7.
  • the spring contact defined is positively retained in position to engage the electrode of the battery and the bulb by a retaining boss 127 integrally formed as part ofa shell portion of the housing.
  • the retaining boss I27 is formed with an extending slot therein by which the spring contact 125 can be readily inserted and retained to the housing during assembly.
  • the second spring contact member 126 is disposed to effect engagement between the bulb I17 and the other electrode of the battery means 121 or 121A. As best seen in FIG. I, one end 126A of the spring contact I26 is bent so as to engage the base portion I I'M of the bulb under a spring force. The bulb engaging end I 26A of the spring contact I26 effects electrical contact vi rth the base of the bulb by being disposed in alignment with the slotted opening Il-I formed in the bulb socket I13.
  • the other end 1268 of the contact rncmbcr I20 is free to flex into and out ofengagenicnt with the other electrode of the battery means
  • the arrangement I. ⁇ such that the flexing end 1268 of the spring contact 126 functions as a switch for making and breaking tltt' circuit to the bulb.
  • Spring contact member I26 is l'txedly secured to .i shell portion IOIA of the housing by a retaining buss 128 integrally connected to the associated shell and having a slot formed therein for receiving and retaining an intermediate portion of the spring contact I26.
  • a slide actuator or SWlltli 129 cooperatively associated with the flexing end Iloli of the spring contact 126 is a slide actuator or SWlltli 129.
  • the slide actuator or switch 129 compresses a finger portion 129A which is adapted to extend externally of the housing IOI.
  • Dependin from the finger portion 129A is :1 central projection 1298 which is adapted to be slidcably received in the slotted opening 130 formed by the top wall portion tor. of the housing.
  • a transversely extending retaining flange 129C is connected to the depending projection 1298 for retaining the switch actuator l2) in the a semblcd relationship of the housing shell portion, 'l it provide a means for guiding the slide actuator I29 and also to provide a means for locating and positioning the flexing end I298 of the spring contact I26.
  • the switch actuator includes a guide or flange 1290 dependin from the retaining flange portion l29C.
  • the depending guide or flange [290 of the slide actuator 219 is arranged to engage a side edge portion of the spring contact member I26 along which the actuator is guided between the on and off positions.
  • the switch actuator also includes a cam surface Ill which is adapted to engage the free end 1268 of spring contact 126 to effect displacement thereof between an engaging and non-engaging position relative to the associated electrode ofthe battery means I21 or [21A in energizing and tie-energizing the bulb.
  • a retaining bum or hump 132 is formed on the spring contact intermediate the end thereof.
  • the arrangement is such that when the cam I31 ofthe switch actuator is cammed or rides over the retaining hump 132 of the spring contact 126.
  • lllC slide actuator is disposed to maintain the flexing or switch end of the contact in a bulb energizing position without the need of maintaining ones finger on the finger portion I29A of the switch actuator.
  • the slide actuator 129 is shifted to
  • FIG. 5 illustrates a modified construction of a coupling contact I248 for engaging the independent batteries in series circuit relationship.
  • the bottom or coupling contact I248 may be substituted for the V-shapcd contact I24 of FIG. I.
  • the modified arrangement of FIG. 5 illustralcs the connecting contact as comprising a pair of coil spring, A contact I248 formed to define independent wire spring coils 124C and I24! integrally con nected by an interconnecting portion, the arrangement being such that the entire spring contact l24ll can be formed from a single piece of electrical conducting wire.
  • the respective coils 124C and I24D exert an independent spring force on the respective battery cells I2I.
  • a housing 101 and associated component parts e.g., reflector III).
  • bulb Il7, contacts I25. I26 and actuator I29 can be readily assembled so as to render optional the utilization of either independent cell bateries I2l or block batteries IZIA, without effecting any change in the structural or functional relationship of the housing and/or the component parts opcratively associated therewith to effect the operation ofthe light.
  • the assembly of the flashlight construction I00 is greatly simplified by the reflector-bulb prcassernbled sub-combination as the latter can be readily fitted as a unit to one of the housing shells during assembly.
  • the bulb contact strips I25 and I26 are readily fitted to their respective retaining bosses I27, 128.
  • the slide actuator can be readily fitted into the slotted portion of the shell portion; and the desired battery source placed in position in the complementary shell portion. Completion of the assembly is attained by simply fitting the complementary tthcll portion to the shell portion to which the components were assembled. If desired the respective shell portions can be sealed or integrally welded to form a disposable light.
  • the arrangement is such that the bulb H7 is maintained in positive contact under a biasing spring force by the respective contact strips I25. I26 and the action of the switch actuator on the flexing end ofthe spring contact I26 insures positive mechanical action.
  • the slot II4 formed in the bulb socket II) and the manner it cooperates with spring contact I26 provides for positive electrical contact. Also the spring tension of the contact I26 actmg on the bulb functions to assist in maintaining alignment of the bulb. Also the slot forms a guide for main taining the alignment of the reflector to maintain maximum efficiency of the refiEEfing surface.
  • FIGS. I2 and I3 illustrate a modified embodiment of the invention.
  • the construction of the overall assembly for the flashlight is similar in all respects to that hereinbcfore described with respect to FIGS. I to II. with the exception that a bulb adapter I60 is provided to accommodate a screw based bulb to the reflector bulb socket I I3.
  • the adaptor I60 comprises a tubular member or body portion A having a slotted opening I62 formed in the upper portion thereof. Circumscribing the slotted end of the body portion I60A is a laterally extending flange or collar I63. Adjacent the front end of the slotted opctting I62 is an upstanding transversely extending rib I64. Circumferentially spaced about the tubular body 160A adjacent the end collar or flange 163 is a plurality of re taining wedges I65.
  • the bore 166 of the tubular member I60A is formed with a land or thread I67 which complements the screw threads I68 formed on the base of bulb l6l. As best seen in FIG. l2. the forward end of the tubular member is formed with a reduced lip portion 160C to define a circumscribiog shoulder I69 spaced front the front end.
  • the adaptor I60 can be readily fitted to the bulb socket llJ so that the reduced lip portion 160C is recieved in opening [12 of the reflector H0.
  • the shoulder I69 of the adaptor I60 abuts against the bulb seat H5.
  • the atlap tor I60 is fitted to the bulb socket IIJ so that the slotted opening I62 formed therein is disposed in alignment with the opening ll-l of the bulb socket.
  • the adaptor 160 is press fitted tbereir'ito so that the wedges I65 frictionally retain the adaptor I60 within the socket I I3.
  • the adaptor friction-ally fit ted in place within the bulb socket III! of reflector ll0 it will be noted that the bulb l6l can be readily threaded and retained in the adaptor I60.
  • the adaptor thus described enhances the versatility of the overall flashlight construction described in that either a snap in bulb, e.g., H7. or a screw in bulb lot can be utilized in the assembly.
  • a flashlight construction comprising:
  • said reflector including an integrally formed bulb socket having a circumscribing wall portion.
  • said socket having an inturncd shoulder to define a bulb seat
  • retaining means integrally formed and circumferentially spaced about the internal wall surface of said circumscribing wall portion of said bulb socket and, said retaining means being spaced from said inturned shoulder, light bulb having a laterally projecting flange, said flange being adapted to be snapped fitted and retrained between said shoulder and said retaining means.
  • a battery means disposed within said housing. conducting means opcratively connecting said bulb in circuit ith said battery means,
  • Th flashlight construction as defined in claim I wherein said retaining means includes a series of spaced apart inwardly projecting bosses having inclined surfaces. said inclined surfaces diverging toward said shoulder which permit the flange of said bulb to be snapped in place and positively retained in seating position between said bosses and said shoulder.
  • a first spring conducting means connecting said bulb in circuit with an electrode of said battery means.
  • each of said spring conducting means having one end thereol'exerting a spring bias on said bulb in the assembled position thereof. and said second conducting means having its other end movably mounted to define a switch end for engaging and disengaging with said other electrode,
  • a flashlight construction comprising:
  • a bulb reflector connected to said housing.
  • said reflector including a bulb socket.
  • said socket having an inturned shoulder to define a bulb seat
  • alight bulb having a laterally projecting flange.
  • said flange being adapted to be received and retained between said shoulder and said retaining means.
  • a battery means disposed within said housing.
  • said conducting means including a first spring conducting means connecting said bulb in circuit with an electrode of said battery means.
  • each of said spring conducting means having one end thereof exerting a spring bias on said bulb in the assembled position thereof.
  • said second conducting means having its other end movably mounted to define a switch end for engaging and disengaging with said other electrode.
  • switch actuator operatively associated with said switch end of said second conducting means.
  • said switch actuator being slidably mounted on said housing.
  • said actuator including a cam means for engaging said switch end of said second conducting means.
  • said housing includes opposed side walls having internal ribs arranged to locate and space differently shaped batteries between the side walls oF'the housing.
  • a disposable flashlight comprising:
  • a housing defined by complementary shell portions said shell portions defining a lens opening in the a.
  • a reflector mounted on said lens opening.
  • said reflector including a bulb socket.
  • said socket being defined by an inturned shoulder forming a bulb scat.
  • a bulb having a base portion and a laterally extending collar whereby said bulb is positively retained within said socket by securing said flange in the space between said shoulder and said retaining means.
  • said first spring contact being formed of an electric conducting material having a reversed bent end portion adapted to engage with an electrode olsanl battery means. and having its other end disposed in electrical contact with the base end portion of SrtILl bulb.
  • a second spring contact formed of electrical conduct ing material.
  • said switch actuator slideably mounted on said housingv said switch actuator including a cam operator disposed in engagement with the switch end of said second contact. and a laterally disposed flange guide disposed to one side of said cam Operation to locate said second contact spring relative to said electrode and providing [or positive mechanical movement therebetween.
  • each of said shell portions includes integrally formed ribs forming spacers for positioning and maintaining said battery means in predetermined relationship within said housing in the assembled position.
  • said battery means includes a pair of cylindrically shaped batteries.
  • said ribs defining a cell adapted to position said balteries within said housing.
  • said third spring means comprises a substantially V-shapcd spring having a base portion and connected arm portions.
  • anchor means for securing the base of said ⁇ -shaped spring to said housing.
  • a flashlight construction comprising:
  • a bulb reflector disposed in said housing.
  • said bulb reflector having a bulb socket, having an inturned shoulder and a circumscribing wall portion,
  • said bulb socket having a slotted opening formed thereon.
  • a light bulb having a base portion and a laterally extending flange adapted to be seated against said inturned shoulder
  • said bulb flange being snapped fltted and retained against said shoulder by said retaining means
  • a battery means disposed in said housing.
  • said conducting means including a first contact member engaging the end of said bulb base portion in circuit with one electrode of said battery means
  • a flashlight construction comprising:
  • said bulb reflector having a bulb socket
  • said bulb socket having a slotted opening formed thereon
  • a light bulb having a base portion
  • sald conducting means including a first Contact mcnr b er engaging the end of said bulb base portion HI circuit with one electrode of said battery means.
  • said bulb retaining means comprising:
  • said adaptor including a tubular body portion hLlVtttl;
  • said body portion having a slotted opening arranged to be disposed in alignment with the slotted open ing of said bulb socket.
  • said bulb having a threaded base portion adapted to complement said internal thread whereby said bulb can be readily threaded to said adaptor.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
US00291593A 1972-09-25 1972-09-25 Flashlight construction Expired - Lifetime US3794824A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29159372A 1972-09-25 1972-09-25

Publications (1)

Publication Number Publication Date
US3794824A true US3794824A (en) 1974-02-26

Family

ID=23120953

Family Applications (1)

Application Number Title Priority Date Filing Date
US00291593A Expired - Lifetime US3794824A (en) 1972-09-25 1972-09-25 Flashlight construction

Country Status (4)

Country Link
US (1) US3794824A (en))
JP (1) JPS5225033B2 (en))
FR (1) FR2237120B1 (en))
GB (1) GB1440370A (en))

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5659210A (en) * 1994-10-14 1997-08-19 Yeany; Bruce Easily constructible instructional electric motor
US5684378A (en) * 1995-01-12 1997-11-04 Eveready Battery Company Rechargeable flashlight assembly
US5806961A (en) * 1996-04-12 1998-09-15 Eveready Battery Company, Inc. Rechargeable flashlight assembly with nightlight
USD421812S (en) * 1999-09-10 2000-03-21 Rayovac Corporation Flashlight

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6181170U (en)) * 1984-10-31 1986-05-29

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3057992A (en) * 1960-06-01 1962-10-09 Honeywell Regulator Co Flashlights
US3097798A (en) * 1959-10-14 1963-07-16 Licentia Gmbh Flashlights
US3128050A (en) * 1960-07-20 1964-04-07 Union Carbide Corp Flashlight and reflector assembly therefor
US3175080A (en) * 1962-09-20 1965-03-23 Bridgeport Metal Goods Mfg Co Flashlight
FR1399619A (fr) * 1964-03-23 1965-05-21 Accumulateurs Fixes Lampe de poche du type à jeter
GB1018088A (en) * 1962-09-27 1966-01-26 Mallory Battery Canada Battery-operated torches
US3345508A (en) * 1965-07-15 1967-10-03 Sonca Ind Ltd Flashlight formed of two molded parts
GB1142625A (en) * 1966-05-23 1969-02-12 Gerald August Goessling Electric battery lamp
US3443084A (en) * 1965-12-15 1969-05-06 Accumulateurs Fixes Disposable flashlight
US3671734A (en) * 1969-12-23 1972-06-20 Wonder Piles Reloadable electric flashlight
US3711699A (en) * 1970-04-02 1973-01-16 J Bacevius Flashlight construction

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3097798A (en) * 1959-10-14 1963-07-16 Licentia Gmbh Flashlights
US3057992A (en) * 1960-06-01 1962-10-09 Honeywell Regulator Co Flashlights
US3128050A (en) * 1960-07-20 1964-04-07 Union Carbide Corp Flashlight and reflector assembly therefor
US3175080A (en) * 1962-09-20 1965-03-23 Bridgeport Metal Goods Mfg Co Flashlight
GB1018088A (en) * 1962-09-27 1966-01-26 Mallory Battery Canada Battery-operated torches
FR1399619A (fr) * 1964-03-23 1965-05-21 Accumulateurs Fixes Lampe de poche du type à jeter
US3345508A (en) * 1965-07-15 1967-10-03 Sonca Ind Ltd Flashlight formed of two molded parts
US3443084A (en) * 1965-12-15 1969-05-06 Accumulateurs Fixes Disposable flashlight
GB1142625A (en) * 1966-05-23 1969-02-12 Gerald August Goessling Electric battery lamp
US3671734A (en) * 1969-12-23 1972-06-20 Wonder Piles Reloadable electric flashlight
US3711699A (en) * 1970-04-02 1973-01-16 J Bacevius Flashlight construction

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5659210A (en) * 1994-10-14 1997-08-19 Yeany; Bruce Easily constructible instructional electric motor
US5684378A (en) * 1995-01-12 1997-11-04 Eveready Battery Company Rechargeable flashlight assembly
US5806961A (en) * 1996-04-12 1998-09-15 Eveready Battery Company, Inc. Rechargeable flashlight assembly with nightlight
USD421812S (en) * 1999-09-10 2000-03-21 Rayovac Corporation Flashlight

Also Published As

Publication number Publication date
FR2237120A1 (en)) 1975-02-07
JPS5225033B2 (en)) 1977-07-05
JPS50130284A (en)) 1975-10-15
FR2237120B1 (en)) 1977-09-30
GB1440370A (en) 1976-06-23

Similar Documents

Publication Publication Date Title
US3794824A (en) Flashlight construction
US3345508A (en) Flashlight formed of two molded parts
JP4977533B2 (ja) 可搬型電動工具
US5445900A (en) Electronic device having a removable battery pack assembly
US4524409A (en) Flashlight
US8024862B2 (en) Hair clipper
US3711703A (en) Flashlight construction
CN215912894U (zh) 宠物喂水器
RU98121840A (ru) Батарейный источник питания с направляющим ключом и самоблокировкой для портативного дефибриллятора
US20050022432A1 (en) Cyclist's shoe with a cleat for retaining the shoe on an automatic securement pedal
CN110024163B (zh) 电能存储装置和电气器具
US3711699A (en) Flashlight construction
US2626335A (en) Electric switch
KR102175538B1 (ko) 차량용 커넥터 장치
CN113141781B (zh) 包含可配置端子座的电池组
JP2002050331A (ja) 異なるタイプの電源供給の使用に適した携帯装置用電源供給デバイス
TWI654789B (zh) Battery number conversion container
US11437680B2 (en) Battery holding device for preventing erroneous charging
US3443084A (en) Disposable flashlight
US6381199B1 (en) Device for electrically connecting an electrical power source and an electronic circuit of a timepiece
US6612716B2 (en) Flashlight
CN212286636U (zh) 一种适用于弯脚连接器的转移分料机构
EP3827711B1 (en) High-speed blender
CN218246057U (zh) 一种眼镜收纳盒
JPH11233158A (ja) 充電器