US3832126A - Liquefied gas fueled lighter - Google Patents

Liquefied gas fueled lighter Download PDF

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Publication number
US3832126A
US3832126A US00257187A US25718772A US3832126A US 3832126 A US3832126 A US 3832126A US 00257187 A US00257187 A US 00257187A US 25718772 A US25718772 A US 25718772A US 3832126 A US3832126 A US 3832126A
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US
United States
Prior art keywords
actuating member
hammer
liquefied gas
cam member
housing
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
US00257187A
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English (en)
Inventor
N Moriya
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.)
Mansei Kogyo KK
Original Assignee
Mansei Kogyo KK
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 Mansei Kogyo KK filed Critical Mansei Kogyo KK
Application granted granted Critical
Publication of US3832126A publication Critical patent/US3832126A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23Q—IGNITION; EXTINGUISHING-DEVICES
    • F23Q2/00—Lighters containing fuel, e.g. for cigarettes
    • F23Q2/28—Lighters characterised by electrical ignition of the fuel
    • F23Q2/285—Lighters characterised by electrical ignition of the fuel with spark ignition
    • F23Q2/287—Lighters characterised by electrical ignition of the fuel with spark ignition piezoelectric

Definitions

  • ABSTRACT A liquefied gas fueled lighter comprising a housing, a
  • actuating member ingly interconnecting the actuating member and the housing whereby the actuating member may be substantially linearly displaced from a first position to a second position whereat the rotation of the hammer will result in the hammer striking the piezoelectric device, a spring interposed intermediate the hammer and the actuating member, means for opening the normally closed fuel gas discharge valve and for subjecting the spring to a compressive force having at least a predetermined magnitude and selective direction as the actuating member is displaced from the first to the second position thereof, and means for releasing the hammer when the actuating member is at the second position whereby the hammer will be forcefully propelled towards and impact against the piezoelectric device whereby a spark will be generated proximate the fuel gas discharge valve for igniting the discharged gas fuel.
  • the present invention relates to cigarette lighters which employ piezoelectric high voltage generating devices to ignite the fuel stream.
  • Piezoelectric high voltage generating devices which include a rotatable or linearly reciprocable hammer or striker element, an actuating member or finger piece which is rotatable or displaceable in the same direction as the hammer element and a spring which is interposed intermediate the hammer and the actuating member for accumulating the impacting energy.
  • the direction of displacement of the actuating member as the hammer is cocked is directly opposite to the direction of the biasing force of the cocked energy accumulating spring.
  • the force, which must be applied to the actuating member is generally considerably larger than the biasing force of the cocked energy accumulating spring.
  • lt is accordingly an object of the present invention to provide an improved structure for energizing a piezoelectric high voltage generating device which requires only a small operating force.
  • Another object of the present invention is to provide such an energizing structure which can be small in size.
  • Yet a further object of the present invention is to provide a liquified gas fuel lighter wherein the hammer may be substantially cocked even in the inoperative position.
  • the device which may be a cigarette lighter includes an actuating member having a hammer rotatably mounted thereon, and an energy accumulating spring which is interposed therebetween.
  • a frame member includes a piezoelectric element and a cam member which controls the displacement of the hammer whereby when the actuating member is displaced linearly, the hammer will be rotated relative to the actuating member whereby the spring will be compressed. The hammer will be thereby cocked. Further displacement of the actuating member releases thehammer whereupon the hammer will be propelled toward and impact against the piezoelectric element thereby generating a spark for igniting the gas stream.
  • the actuating member of the present invention is displaced so that at least a portion thereof extends beyond the casing when the lighter is utilized. Accordingly, space need not be reserved within the casing for accommodating the displaced actuating member so that the size of the lighter can be reduced.
  • the direction of the required operating force is substantially perpendicular to the direction of the biasing force of the cocked energy accumulating spring. Accordingly, intermediate means in the form of between the axis of rotation of the hammer and the engaging surface of the hammer is greater than the distance between the axis and the working point of the energy accumulating spring on the striker. As a result the operating force is stepped up and accordingly the force which is required is substantially reduced. The stroke of the actuating member will thereby be increased but since the actuating member is displaced outwardly beyond the housing the size of the lighter need not be increased.
  • the cigarette lighter may preferably include a rotatable cam member. Rotation of the cam member in a first clockwise direction is limited by a stop and a spring is provided for returning the cam member to a predetermined position whether the cam member has been rotated in the clockwise or counterclockwise direction.
  • the cam member is adapted to be rotated by the hammer against the force of the cam return spring thereby lifting the hammer, when the actuating member is displaced.
  • the cam member is then returned to its original position by the cam return spring and upon release, the actuating member is returned to its inoperative position.
  • the hammer engages .the cam member rotating it counterclockwise out of its path as it is so displaced.
  • the cam member is released and returns to its predetermined position. The hammer is thus reset.
  • FIG. 1 is a longitudinal sectional view of a cigarette lighter in an inoperative condition having a piezoelectric highvoltage generating device made in accordance with the teachings of the present invention.
  • FIG. 2 is a longitudinal sectional view of the device disclosed in FIG. 1 in the cocked position.
  • FIG. 3 is a longitudinal sectional view of the device illustrated in FIGS. 1 and 2 in operating condition.
  • FIG. 4 is an exploded view of the essential parts of the cigarette lighter of the present invention.
  • FIG. 5 is a side elevational view of the cam return spring used in the cigarette lighter and illustrates the action of the cam return spring.
  • the cigarette lighter includes a casing l which houses a fuel reservoir 2 having a normally closed discharge valve 3 and a refill valve (not shown) and a U-shaped metal frame member 4 which has twoparallel vertical side walls 40, 4b.
  • the cigarette lighter includes a casing l which houses a fuel reservoir 2 having a normally closed discharge valve 3 and a refill valve (not shown) and a U-shaped metal frame member 4 which has twoparallel vertical side walls 40, 4b.
  • a cam for redirecting and stepping up the frame member 4 encloses a piezoelectric element unit 5 and pivotally supports a U-shaped cam member 6.
  • an electrode support 7 Secured to the frame member 4 is an electrode support 7 which includes a discharge electrode 8.
  • the discharge electrode 8 forms a spark gap with the nozzle 9 of the fuel discharge valve.
  • An actuating member 10 has two pairs of projections 11a, 11b, 12a, 12b each having a collar which may be in the form of a roller 13a, 13b, 14a, 14b secured to the upwardly extending side walls'of the actuating member. These rollers are slidingly received by two pairs of guide slots 15a, 15b, 16a, 16b formed in the two parallel upwardly extending sides 4a, 4b of the frame member 4.
  • the guide slots 15a, 15b, 16a, 16b guide the displacement of the actuating member 10'.
  • Horizontal displacement of the actuating member from left to right results in the valve operating plate 18 being pivoted in a clockwise direction about its fulcrum whereby the fuel nozzle 9 will be elevated thereby rising the normally closed fuel discharge valve 3.
  • a spring 20 which is mounted on a pin 21 secured to the frame member 4 will return the actuating member to its inoperative position when the actuating member is released.
  • the rotatable hammer 22 and an energy accumulating spring 23 such as a torsion coil are mounted on a transverse pin 11 which is integrally joined to one pair of the projections 11a, 11 b of the actuating member 10.
  • the accumulating spring extends between the hammer 22 and the inner surface of the actuating member 10. In the inoperative position the hammer or striker-22 rests upon the pressure plate 24 of the piezoelectric element unit and accordingly, the energy accumulating spring may be compressively located intermediate the hammer 22 and the actuating member when the lighter is in the inoperative condition.
  • the hammer can therefore be substantially cockedprior to the displacement of the actuating member and such displacement will thereby only be required to elevate the hammer whereby it can be propelled towards and impact against the piezoelectric device to release the energy of the accumulating spring and to open the gas discharge valve.
  • the striker 22 includes projections 25a, 25b including collars or rollers 26a, 26b which project outwardly from the vertical sides thereof and which are adapted to engage with the upwardly projecting camming surfaces 27a, 27b of the cam member 6.
  • the rotation of the cam member about pin 29 which is secured to opposing side walls of the casing is limited by pin 31 which is also integral with the side walls of the casing and which engages stops 28a, 28b on the cam member.
  • the cam member 6 is held in a predetermined position (FIG, 1) by means of a cam return spring 30 such as a v torsion coil mounted on the cam member support pin 29.
  • a cam return spring 30 such as a v torsion coil mounted on the cam member support pin 29.
  • the two legs 30a, 30b of the cam return spring 30 are adjacent and abut against pin 31 which is integral with the frame member 4 and located therebetween a pin 32 carried by the cam member 6.
  • pivot pin 29 and pins 31 and 32 are aligned.
  • collars 26a, 26b of the hammer engage with the cam member 6 to the left of the protrusions 27a, 2712' so that the distance between the pivot pin 29-and the collars 26a, 2612 may be greater than the shortest distance be tween the pivot pin 29 and the hammer 22 at the same level as the collars 26a, 26b.
  • a clockwise rotation of the cam member 6 and its intregral outwardly projecting pin results in the pin 32 engaging the upper leg 30a of the cam return spring 30 thereby rotating the upper leg in a clockwise direction.
  • the clockwise rotation of the lower leg 30b is pre-] vented by pin 31 which is mounted on the frar'nemembeer 4 so that the extended spring 30 exerts a counterclockwise biasing ,force.
  • counterclockwise rotation of the cam member 6 results in the cam pin 32 rotating the lower leg 30b of the cam return spring 30 in the counterclockwise direction while the counterclockwise rotation of the upper leg 30b is limited by pin 31 so that the extended spring 30 exerts a clockwise biasing force.
  • the cam member 6 When the hammer 22 is released the cam member 6 is returned to its original position by the cam return spring 30 so that the cam member 6 will not obstruct the path of the hammer 22.
  • the operating force applied to the actuating member 10 When the operating force applied to the actuating member 10 is released the latter is returned to its initial or inoperative position by the actuating member return spring 20.
  • the actuating member As the actuating member is so displaced to the left the hammer 22 depresses the upwardly extending cam peaks 27a, 27b by rotating the cam member 6 in the counterclockwise direction against the force exerted by the cam return spring 30.
  • the striker 22 reaches its initial position, the cam member 6 is returned to the predetermined position by the return spring 30 and the hammer is thus reset.
  • a liquefied gas fueled lighter comprising a housing
  • hammer means rotatably secured to said actuating member means for slidingly interconnecting said actuating member and said housing whereby said actuating member may be substantially. lineraly displaced from a first position to a second position, where, the rotation of said hammer means will result in said hammer means striking said piezoelectric de vice,
  • a liquefied gas fueled lighter according to claim 1 wherein the path of fuel gas discharged from said discharge valve will be blocked by said actuating member when it is at said first position and will be unobstructed by said actuating member when it is at said second position.
  • a liquefied gas fueled lighter according to claim 1 wherein said subjecting and releasing means comprises a selectively configured cam member mounted on said housing and said hammer means further includes means for engaging said cam member.
  • cam member is rotatably mounted on said housing and the axis of rotation of said cam memberis spaced from a line defined by the axis of rotation of said hammer means and said engaging means.
  • a liquefied gas fueled lighter according to claim 4 wherein the distance between the axis of rotation of said cam member and said engaging means is greater than the shortest distance between the axis of rotation of said cam member and said hammer means whereby rotation of said cam member will elevate said hammer means and thereby compress said spring means.
  • a liquefied gas fueled lighter according to claim 4 further comprising means for maintaining said cam member at a selected predetermined position, means for limiting the ro-. tative displacement of said cam member when said cam member is rotated in one direction, and
  • a liquefied gas fueled lighter according to claim 3 wherein said engaging means comprises roller means secured to said hammer means.
  • a liquefied gas fueled lighter according to claim 13 wherein said hammer means engages said piezoelectric device and said spring means is compressively located intermediate said hammer means and said actuating member when said actuating member is at said first position.
  • a liquified gas fueled lighter comprising a housing, 7
  • a displaceable actuating member selectively configured to define a smoothly continuous casing with said housing, when in a first position
  • displaceable hammer means rotatably mounted on said actuating member
  • a liquefied gas fueled lighter according to claim 14 wherein the path of fuel gas discharged from said discharge valve will be blocked by said actuating member when it is at said first position and will be unobstructed by said actuating member when it is at said second position.
  • a liquefied gas fueled lighter comprising a housmg
  • pivotally displaceable hammer means mounted said actuating member and linearly displaceable in conjunction therewith
  • a liquefied gas fueled lighter a structure for energizing a piezoelectric ignition device comprising housing means for enclosing the piezoelectric device,
  • a liquefied gas fueled lighter according to claim 8 wherein said pin means is situated on the line connecting said second pin means for rotationally supporting said cam member and said means for limiting the rotative displacement of said cam member when said cam member is in its non-operative position.
  • a liquefied gas fueled lighter according to claim 10 wherein said cam member has a pair of side walls to form said camming surface means and said pin means is situated between said side walls and secured thereto.
  • a liquefied gas fueled lighter according to claim 20, wherein said means for slidably interconnecting said actuating member and said housing includes a transverse pin on which said hammer means is pivotably arranged so that said hammer means may be linearly displaced in accordance with the displacement of said actuating member, and further comprising guide means in the direction of the displacement of said actuating member for guiding and limiting the movement of said transverse pin within said housing.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lighters Containing Fuel (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Toys (AREA)
US00257187A 1971-06-08 1972-05-26 Liquefied gas fueled lighter Expired - Lifetime US3832126A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1971048075U JPS5035976Y2 (en)) 1971-06-08 1971-06-08

Publications (1)

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US3832126A true US3832126A (en) 1974-08-27

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US00257187A Expired - Lifetime US3832126A (en) 1971-06-08 1972-05-26 Liquefied gas fueled lighter

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US (1) US3832126A (en))
JP (1) JPS5035976Y2 (en))
DE (1) DE2223835C3 (en))
FR (1) FR2140412A1 (en))
GB (1) GB1394279A (en))

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5249390B2 (en)) * 1972-10-16 1977-12-16

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3387912A (en) * 1965-11-26 1968-06-11 Mansei Kogyo Kk Ignition mechanism of liquefied gas fueled lighter
US3506386A (en) * 1967-08-28 1970-04-14 Mansei Kogyo Kk Electric gas lighter with a manually operable piezoelectric ignition device
US3603709A (en) * 1968-03-26 1971-09-07 Tetra Molectric Ltd Gas burning cigarette lighter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3387912A (en) * 1965-11-26 1968-06-11 Mansei Kogyo Kk Ignition mechanism of liquefied gas fueled lighter
US3506386A (en) * 1967-08-28 1970-04-14 Mansei Kogyo Kk Electric gas lighter with a manually operable piezoelectric ignition device
US3603709A (en) * 1968-03-26 1971-09-07 Tetra Molectric Ltd Gas burning cigarette lighter

Also Published As

Publication number Publication date
DE2223835B2 (de) 1973-09-06
JPS487365U (en)) 1973-01-26
GB1394279A (en) 1975-05-14
DE2223835A1 (de) 1973-01-04
JPS5035976Y2 (en)) 1975-10-20
DE2223835C3 (de) 1974-04-04
FR2140412A1 (en)) 1973-01-19

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