GB2450729A - A Safety Flint Lighter with Lockable Spark Wheel - Google Patents

A Safety Flint Lighter with Lockable Spark Wheel Download PDF

Info

Publication number
GB2450729A
GB2450729A GB0712965A GB0712965A GB2450729A GB 2450729 A GB2450729 A GB 2450729A GB 0712965 A GB0712965 A GB 0712965A GB 0712965 A GB0712965 A GB 0712965A GB 2450729 A GB2450729 A GB 2450729A
Authority
GB
United Kingdom
Prior art keywords
wheel
lock member
safety lock
flint
lighter
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.)
Withdrawn
Application number
GB0712965A
Other versions
GB0712965D0 (en
Inventor
Junkang Ruan
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
Priority to GB0712965A priority Critical patent/GB2450729A/en
Publication of GB0712965D0 publication Critical patent/GB0712965D0/en
Publication of GB2450729A publication Critical patent/GB2450729A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23QIGNITION; EXTINGUISHING-DEVICES
    • F23Q2/00Lighters containing fuel, e.g. for cigarettes
    • F23Q2/16Lighters with gaseous fuel, e.g. the gas being stored in liquid phase
    • F23Q2/164Arrangements for preventing undesired ignition
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23QIGNITION; EXTINGUISHING-DEVICES
    • F23Q2/00Lighters containing fuel, e.g. for cigarettes
    • F23Q2/16Lighters with gaseous fuel, e.g. the gas being stored in liquid phase
    • F23Q2/161Lighters with gaseous fuel, e.g. the gas being stored in liquid phase with friction wheel

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lighters Containing Fuel (AREA)

Abstract

A flint safety lighter (12 fig 1) has a safety lock member 3 pivotally mounted adjacent an ignition wheel 4. The ignition wheel frictionally engages a flint to produce a spark, and the safety lock member 3 is urged against the periphery of the wheel to prevent inadvertent operation. The lock member may be pivotally mounted and may be shaped such that a portion has a curvature that matches the wheel curvature. The locking arrangement may include a butterfly spring (2 fig 3) that can rotate away from the wheel in the opposite direction to the rotation of the wheel, in order to effect release. The locking arrangement prevents use of the lighter by children.

Description

245w 729
SAFETY LIGHTER
The present invention relates to a safety lighter, Particularly to a flint lighter having a safety mechanism.
S
A conventional lighter comprises a lighter casing and a head portion mounted on the lighter casing. A nozzle, a flint, an actuator member to open/close a fuel reservoir, a wheel contacting the flint and a guard are provided within the head portion. In operation, a user rotates the wheel to cause the flint to generate the sparks required for ignition.
Such lighters are of course very well known in the art.
It is known in the art to provide a flint lighter with some safety features. However, such lighters are either not easy to use or not secure enough to prevent use by children.
It has been desired for a number of years to provide flint lighters with some safety features which prevent accidental use of the lighter or operation of the lighter by children, which are easy to use by adults and secure.
An object of the present invention is to provide a flint lighter with a safety mechanism to achieve at least one of the above advantages.
The present invention provides a safet' flint lighter, comprising: a lighter casing; a head portion having an actuator member and a wheel, the wheel being rotatable in frictional engagement with a flint to generate sparks; and a safety lock member moveably mounted on the head portion and extending over the periphery of the wheel, the safety lock member being urged against the wheel by a return spring to prevent rotation of the wheel; wherein in use, the safety lock member is moveable away from the wheel to allow the rotation of the wheel.
Preferably the safety lock member is pivotably mounted at one end thereof, the pivot axis being substantially parallel to the axis of rotation of said wheel wherein in use the safety lock member is rotatable by a user's thumb away from said wheel and said wheel is rotatable by the user's thumb in an opposite sense to generate sparks for ignition.
The above operation requires a degree of dexterity which is beyond the ability of children.
Preferred features are defined in the dependent claims.
Preferred features are defined in the dependent claims.
A preferred embodiment of the invention is described below by way of example only with reference to Figures 2. to 4 of the accompanying drawings, wherein: Figure 1 is a front view of a flint lighter of Fig. 2.
wit a safety mechanism in a locked configuration; Figure 2 is a top view of the lighter of Fig. 1; Figure 3 is an enlarged view of the above safety mechanism; and Figure 4 is a front view of the lighter with the safety mechanism is an unlocked position configuratfon.
Referring to Figs. 1 and 3, a lighter 12 having a safety mechanism includes a conventional lighter casing 10 and head portion H mounted thereon. A nozzle (not shown), a flint (not shown), an actuator member 6 to open/close a fuel reservoir (not shown), an ignition wheel 4 contacting the flint and a guard S are provided within the head portion. A safety lock member 3 with one end pivotally mounted on the guard 5 is acted on by one arm 2A of a butterfly spring 2 mounted on an axle carried by the head portion and defining the pivot axis (X) of the safety lock member, the other arm 2B engaging a projection 1 from the main body. The front portion of the safety lock member is urged downwardly against the cylindrical periphery of the wheel to prevent rotation of the wheel. In this configuration, as shown in Figure 1, the wheel cannot be rotated by a user's thumb T to generate the sparks required for ignition. This safeguards the lighter against accidental use or use by children, for example.
Referring now to Fig. 4, to operate the lighter 12, the safety lock member 3 has to be rotated upwardly about the axis X. On moving the safety lock member away from the wheel 4, a user can rotate the wheel 4 to generate sparks for ignition of the lighter fuel. Upon comp1etionof rotation of the wheel 4, the butterfly spring 2 urges the safety lock member 3 back to the locked position of Fig. 1.
Thus the lighter 12 can only be operated by a user's thumb P by firstly swinging the safety lock member 3 away from the wheel 4 (in a first rotational sense) and then rotating the wheel 4 (in the opposite sense), which will be difficult to achieve accidentally and which will be impossible for children. In addition, once the operation has been finished, the safety lock member is automatically returned to the locked position of Fig. 1, which contributes to the safety of the design.

Claims (6)

  1. CLAIMS: 1. A flint lighter, comprising: a lighter casing; a head
    portion having an actuator member and a wheel, the wheel being rotatable in frictional engagement with a flint to generate sparks; and a safety lock member moveably mounted on the head portion and extending over the periphery of the wheel, the safety lock member being urged against the wheel by a return spring to prevent rotation of the wheel; wherein in use, the safety lock member is moveable away from the wheel to allow the rotation of the wheel.
  2. 2. A flint lighter according to claim 1 wherein the safety lock member is pivotably mounted at one end thereof, the pivot axis being substantially parallel to the axis of rotation of said wheel, wherein in use the safety lock member is rotatable by a user's thumb away from said wheel and said wheel is rotatable by the user's thumb in an opposite sense to generate sparks for ignition.
  3. 3. A flint lighter according to claim 1 or claim 2 wherein the return spring is a butterfly spring mounted on an axle secured to the head portion, said safety lock member being pivotally mounted on said axle.
  4. 4. A flint lighter according to any preceding claim, wherein a portion of the safety lock member facing the wheel is curved towards the wheel.
  5. 5. A flint lighter according to claim 4, wherein the curvature of said portion of the safety lock member matches the shape of the wheel.
  6. 6. A flint lighter substantially as described hereinabove with reference to Figures 1 to 4 of the accompanying drawings.
GB0712965A 2006-10-26 2007-07-04 A Safety Flint Lighter with Lockable Spark Wheel Withdrawn GB2450729A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0712965A GB2450729A (en) 2006-10-26 2007-07-04 A Safety Flint Lighter with Lockable Spark Wheel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200610006816 2006-10-26
GB0712965A GB2450729A (en) 2006-10-26 2007-07-04 A Safety Flint Lighter with Lockable Spark Wheel

Publications (2)

Publication Number Publication Date
GB0712965D0 GB0712965D0 (en) 2007-08-15
GB2450729A true GB2450729A (en) 2009-01-07

Family

ID=38440379

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0712965A Withdrawn GB2450729A (en) 2006-10-26 2007-07-04 A Safety Flint Lighter with Lockable Spark Wheel

Country Status (1)

Country Link
GB (1) GB2450729A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5236351A (en) * 1993-01-13 1993-08-17 Tien Andrew S H Safety interlocks for a cigarette lighter
WO2003008867A1 (en) * 2001-07-16 2003-01-30 Tokai Corporation Gas lighter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5236351A (en) * 1993-01-13 1993-08-17 Tien Andrew S H Safety interlocks for a cigarette lighter
WO2003008867A1 (en) * 2001-07-16 2003-01-30 Tokai Corporation Gas lighter

Also Published As

Publication number Publication date
GB0712965D0 (en) 2007-08-15

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)