CN1152207C - Sliding safety button multipurpose lighter capable of protecting child - Google Patents
Sliding safety button multipurpose lighter capable of protecting child Download PDFInfo
- Publication number
- CN1152207C CN1152207C CNB011091843A CN01109184A CN1152207C CN 1152207 C CN1152207 C CN 1152207C CN B011091843 A CNB011091843 A CN B011091843A CN 01109184 A CN01109184 A CN 01109184A CN 1152207 C CN1152207 C CN 1152207C
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- China
- Prior art keywords
- stop button
- securing rod
- trigger
- locking
- igniter
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- Expired - Lifetime
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Abstract
A safety mechanism of a multipurpose lighter includes a locking mechanism and a safety button. The locking mechanism includes a locking spring, a locking lever and a stopper tab. In the locked position the locking mechanism prevents the trigger from being depressed. The locking lever engages the stopper tab when in the locked position. The safety button includes a return spring. The safety button, when activated, depresses the locking lever and thereby unlocks the trigger. Activating the safety button also opens the valve and fuel is released. In order to maintain a flame the safety button must be continuously activated. When the safety button is released, the return spring urges the safety button into its initial position. The locking lever returns to the locked position and re-engages the stopper tab. As a result, the lighter is automatically re-locked.
Description
Technical field
The present invention relates to a kind of multipurpose lighter that comprises insurance parts, these insurance parts comprise a stop button, and wherein, this stop button is opened fuel release valve when front slide, unties the plate machine.
Background technology
Multipurpose lighter is very useful, is used widely now.This type of multipurpose lighter described herein generally comprises the spark lever of an one handle and an elongation.The shape of multipurpose lighter and operation have some advantages than the general point ignition method.Most importantly, because spark lever is elongation shape, so the operator can stand in from waiting to light a fire the igniting of object safe distance place, thereby prevents potential accident.In addition, multipurpose lighter can be in the local or narrow and small place igniting that can't put in the hand difficulty of match igniting.But do not know safety how, correctly use in people's the hand of multipurpose lighter at children or other, this class igniter produces the same danger of device of Mars and/or flare with any other.Therefore, people recognize, need to be equipped with the insurance parts on the multipurpose lighter, prevent that as far as possible babe in the wood, particularly child accident from using or incorrect use igniter.
Existing many inventions are in order to solve this and security-related problem.In general, these insurance institutions of being introduced of invention make igniter produce Mars automatically and/or make the combustion gas release function of igniter inoperative.For example, some multipurpose lighter uses obstruction mechanism to prevent that the plate machine from moving the igniting required separation distance.In these igniters, untie this locking mechanism by one " on/off " switch being shifted onto on " on " position or with the barrier of removing on the moving path of plate machine plate usually by additive method.
Although above-mentioned various multipurpose lighter provides security to a certain degree, but still the leeway that is improved.Particularly, in these igniters, in a single day locking mechanism (for example on/off switch) is untied, and as not restarting locking mechanism, igniter will keep unlock state.Therefore, for using igniter unlocked mechanism, forget keyed end firearm again as the user after the use again, igniter just loses security, unless restart locking mechanism.
The invention that has is not that the plate machine can't be depressed when attempting to solve safety problem, but the combustion gas relieving mechanism can't be worked.Certainly, in the multipurpose lighter that comprises a kind of like this mechanism,, therefore on latched position, can't produce flare owing to after locking mechanism is untied, could discharge combustion gas.But this class multipurpose lighter can't prevent to produce Mars.Therefore, this class igniter just part has solved safety problem, because children very nearby or when playing with igniter near carpet, paper or other combustibles, still might cause fire from source of the gas.
Summary of the invention
In order to address the above problem, some locking mechanisms have been introduced in some invention, and these locking mechanisms start behind each use igniter automatically.Therefore, in these igniters, there are two kinds of duties: lock-out state and operable state.Under lock-out state, both can't produce Mars, also can't produce flare.And under operable state, igniter no longer locks, and therefore can produce flare.Although in general this improvement makes security increase, still have room for improvement.
Exactly, in most of dual state, automatically lock in the igniter, in a single day igniter unties back plate lower plate machine, as long as plate machine holding plate upper/lower positions, the flare of generation will burn down always.In other words, in a single day locking mechanism is untied, as long as plate lower plate machine will produce flare.Still there is safety problem in this, even because children also are easy to accomplish this point.
Therefore, need a kind of like this device, it can not only reach described security purpose aspect the generation flare, and makes inexperienced user or children be difficult to keep flare.Invention as herein described just can provide these two kinds of functions simultaneously.In the present invention, a stop button that generally stretches out must be before plate lower plate machine, opened earlier and flare could be produced from the igniter case top.In addition, in the present invention, must be this stop button but not the plate organizational security be held under the open mode and just can keep flare; Flare unclamps this stop button after generating, and flare will extinguish.
The unique texture of the stop button among the present invention makes security farthest be improved, even if be not impossible also be difficult to this device of operation because it makes children say.Children can only have open-and-shut idea.Therefore, child wants will be operated the present invention and also only be used common mode and operate the present invention, i.e. plate lower plate machine.Yet, because this automatic locking mechanism, the plate machine can't plate under.Only this feature just can prevent that children from misapplying igniter, because Most of children can't will simply be abandoned behind the plate lower plate machine several times in trial.
Even children understand the effect of slip stop button when lighting a fire with igniter really, children must understand so, must open stop button earlier before plate lower plate machine and could produce flare.This point is generally too obscure concerning children, and children can't grasp or understand.
In addition, even how children understand this device of proper operation, but may still can't this device of practical operation.Because the relative position of plate machine and stop button, operation the present invention requires the user to grasp the handle of igniter, opens stop button with thumb, pulls the plate machine with forefinger.This not only requires the action of hand very dexterous, also requires brothers enough big, and promptly Cheng Ren hand.And the strength of the hand of Most of children also is not enough to successfully operate this igniter.
In addition, though children how to understand this igniter of proper operation, hand also enough big, enough dexterity, enough strength is arranged, thereby can produce flare, but must understand second notion: unless pin stop button otherwise flare can't be kept always.This is again the notion that a children's intelligence is difficult to grasp.Even children grasp this notion, since above-mentioned about children's intelligence and the discussion of being short of physical strength, also be difficult to operation.On the other hand, the adult is not having what difficulty aspect operation the present invention, because this igniter only requires to operate two buttons that are on the key position.
Except above-mentioned all safety advantages, the present invention described herein also makes manufacturing cost reduce greatly, and manufacture process is simplified greatly.
Main purpose of the present invention provides a kind of insurance institution of multipurpose lighter, makes children or inexperienced user unlikely start this igniter.These insurance parts are very important, play because children usually are used as toy to igniter; The mechanical movable part that attracts children to play with is arranged on the igniter.
Another object of the present invention is not only to prevent to produce flare, even also prevents to produce Mars.As previously mentioned, just the combustion gas relieving mechanism can't be worked as an igniter, the children that play with this igniter still can produce Mars with this igniter.According to children's environment of living in, near paper product or other combustible materials, play with igniter as children, Mars still might cause unexpected fire.
Another object of the present invention provides a kind of safest modifying device of use that makes multipurpose lighter, does not reduce the convenience of use simultaneously again.For this reason, installing a stop button additional only increases an operating procedure, for common user, the general point firearm with the insurance parts is the same not simple with use to use this multipurpose lighter, but for children, but increased the use difficulty, thereby prevented that them from misapplying this igniter.
Another object of the present invention is the fire that reduces to meet accident the danger of fire, particularly caused by children, for this reason, unless carry out two independently functions and continue to pin stop button otherwise flare can't be kept.
Last purpose of the present invention is to satisfy all Security Targets, and manufacture process is simplified greatly simultaneously, and the manufacturing cost of each parts at utmost reduces.
From to can clearlyer finding out above-mentioned and other advantages of the present invention the following explanation of accompanying drawing and the DETAILED DESCRIPTION OF THE PREFERRED.
Description of drawings
Fig. 1 is the stereogram of child-resistant utility lighter;
Fig. 2 illustrates how to use child-resistant utility lighter;
Fig. 3 is this igniter first of removing plate machine, stop button, locking spring or locking plate
The profile of embodiment;
Fig. 4 is the profile of this igniter first embodiment;
Fig. 5 is the profile of first embodiment, when the plate machine is in latched position with the lower platen of direction shown in arrow machine;
Fig. 6 is the profile of first embodiment, and stop button is with direction translational shown in the arrow, and the plate machine presses down with direction shown in the arrow;
The same Fig. 6 of Fig. 7, the palette machine is forced into the end;
Fig. 8 is the right parallax stereogram of stop button;
Fig. 9 is a stop button left side parallax stereogram;
Figure 10 is the stereogram of the plate machine of first embodiment;
Figure 11 is the profile of second embodiment;
Figure 12 is a profile of removing this igniter the 3rd embodiment of plate machine, stop button, reed or locking plate;
Figure 13 is the profile of the 3rd embodiment of this igniter;
Figure 14 is the profile of the 3rd embodiment, and the plate machine is in latched position, and the plate machine is depressed with direction shown in the arrow;
Figure 15 is the profile of the 3rd embodiment, and stop button is with arrow institute direction translational, and the plate machine is depressed with direction shown in the arrow.
Figure 16 is the plate machine of the 3rd embodiment and the stereogram of securing rod.
The specific embodiment
First general remark piezoelectricity multipurpose lighter (1) (Fig. 1) before describing the improvements that constitute safety component of the present invention in detail.
The parts of multipurpose lighter (1) generally comprise: an igniter housing (10); One usefulness, one bracing ring (110) is contained in the spark lever on this igniter case front end, and this bracing ring slides on the overlapping part of igniter case and spark lever (120); One fuel tank (30) (Fig. 3); One piezoelectric device (40) and a plate machine (100).
This igniter case (10) is made of two shell spares that separate along the longitudinal axis of igniter (1).Igniter case (10) has a rear end (10a) (Fig. 1) and a front end (10b), and the bracing ring (110) of a meshing point picker bar (120) is arranged on this front end.Generally be cylindrical this spark lever and comprise that one constitutes the free end and an end of engagement that is connected with the igniter case front end on the top of this igniter (1).Bracing ring (110) slides on igniter case front end and the spark lever end of engagement overlapping part, thereby igniter case and spark lever are linked together.
Igniter (1) has been located a fuel tank (30) in igniter case (10) rear end (10a).The bottom (30a) of fuel tank (30) is over against igniter case rear end (10a), and its top (30b) points to the igniter case front end.One fuel release valve (31) is housed on the fuel tank top (30b).This valve is equipped with spring, therefore is pushed to the closed position usually.Also have a Gas Pipe (32), the nozzle (130) behind this Gas Pipe crossing point firearm on the point of arrival picker bar free end on this valve.This valve is opened during stop button (70) translation.At last, a flare adjusting knob (33) is arranged on the valve (31), rotate this adjusting knob can regulate discharge combustion gas quantity, thereby regulate the flare height.
The next parts of igniter (1) be a piezoelectric device (40) (Fig. 4).This device is contained in the top (30b) of fuel tank, stretches out from described top.The top of this piezoelectric device (40) constitutes sliding part (41).This sliding part (41) is against plate machine (100).Generate once lead (42) when promoting this piezoelectric device (40) and pass to the free-ended discharge of spark lever.
The present invention includes a plate machine, a locking mechanism and a stop button.
Plate machine (100) is contained between the two shell spares of igniter case (10) slidably.The same with common multipurpose lighter, plate machine (10) can slidably reciprocate along the longitudinal axis of igniter (1).Plate machine (100) has an operating portion (101) that stretches out from igniter case (10), for the user with pointing the plate machine of pulling.
This operating portion generally has a slight concave surface.But according to the present invention, the operating portion (101) of this plate machine (100) also can be various different radians.This plate machine (100) is against the sliding part (41) of piezoelectric device (40).When the plate machine was pressed onto the end, this piezoelectric device was got spark.
This locking mechanism comprises a securing rod (71), a locking spring (72) and a locking plate (73).This locking mechanism prevents that the plate machine is pressed down in stop button (70) translation before the operating position.When stop button was positioned on the operating position, valve was opened, and discharged combustion gas.
This stop button is contained in the igniter case slidably.This stop button comprises that a contact-making surface (74) (Fig. 8 and 9), a back-moving spring (75), a combustion gas release portion (76) and separate lock section (77).This contact-making surface stretches out igniter case and is placed on it for user's finger outward.Stop button moves to its operating position from its initial position when the user pushes away stop button so that arrow A direction (Fig. 6 and 7) is preceding.This back-moving spring is pressed into its initial position to stop button all the time.
The combustion gas release portion (76) of stop button is positioned between valve (31) and the flare adjusting knob (33).The lock section (77) of separating of stop button is positioned at plate machine top.Currently push away, during the translation stop button, combustion gas release portion opens this valve, discharges combustion gas.
First embodiment of the invention comprise a plate machine (100) (Fig. 4), a locking plate (73), a stop button (70) and a locking spring (72).This plate machine (100) comprises an operating portion (101), a securing rod (71), a projection (78) and a locking spring (72).This locking plate is formed on the top of fuel tank.This locking spring is contained on the igniter case, all the time the plate machine is pressed into latched position.
As a lower platen machine (Fig. 5) but before do not push away stop button, consequently securing rod is against locking plate.Therefore can't depress piezoelectric device.
Before push away stop button and cause and separate lock section (77) and (Fig. 6) interact with projection (78).This interaction of separating between lock section and the projection presses down securing rod, and itself and locking plate are broken away from.Projection must be enough high, so that securing rod moves the distance that is enough to the locking plate disengaging.Therefore, the plate machine can press down, thereby depresses piezoelectric device.
In case the generation flare only just can be kept flare when continuing the supply combustion gas.Only pin plate machine (100) and can't keep flare.Only when pinning stop button (70), just continue to supply combustion gas.
Back-moving spring pushes its initial position to stop button when decontroling stop button.Therefore, the securing rod of plate machine (71) is got back to latched position, and valve (31) is got back to the closed position.In case on latched position, the securing rod of plate machine (71) is again against locking plate (73).Therefore, this igniter locking once more automatically.
Second embodiment of the invention comprise a plate machine (100) (Figure 11), a stop button (70), a securing rod (71) and a locking spring (72).
This securing rod comprises first end (81) and second end (91).Second end of this securing rod is contained on the igniter case with pivot.One locking plate (73) fuses with plate machine (100).This locking plate (73) is against first end (81) of securing rod (71).Interaction between first end of locking plate and securing rod locks this plate machine, and therefore, the plate machine can't press down.Locking spring (72) is pressed into latched position to securing rod.
The lock section (77) of separating of stop button (70) comprises an inclined plane part (83).Current when pushing away stop button, this inclined plane part is against securing rod (71) and press down this securing rod.When securing rod was pressed down, securing rod and locking plate (73) broke away from.Therefore push away stop button before and make the release of plate machine, but lower platen machine then presses down piezoelectric device.
In case the generation flare only just can be kept flare when continuing the supply combustion gas.Only pin plate machine (100) and can't keep flare.Only when pinning stop button (70), just continue to supply combustion gas.
Back-moving spring (75) pushes its initial position to stop button when decontroling stop button.In a single day stop button is in its initial position, and securing rod (71) is got back to latched position under the elastic force effect of locking spring (72), and valve (31) is got back to the closed position.When securing rod was got back to latched position, securing rod (71) was again against locking plate (73).Therefore this igniter locking once more automatically.
Third embodiment of the invention (Figure 12～16) comprises a plate machine (100), a locking plate (73), a stop button (70), a securing rod (71) and a hammerlock spring or arm spring (84).
Securing rod (71) has first end (140), second end (141) and a projection (78).Second end of securing rod is contained on the umbo (142) that is extended by igniter case (10) with pivot.Plate machine (100) comprises locking plate (73).Locking plate is against first end of securing rod.Interaction between first end of locking plate and securing rod locks this plate machine, and therefore, the plate machine can't press down initial igniter (1).
Arm spring (84) has a support arm (85) and a coil-end (86).The coil-end of arm spring is securely on umbo (142).Support arm extends radially out and is offset on the bottom surface of securing rod from the coil-end of arm spring.The arm spring is pressed into latched position to securing rod.
The lock section (77) of separating of stop button (70) comprises an inclined plane part (83).When promoting stop button, this inclined plane part is against securing rod and press down this securing rod.Projection must be enough greatly with mobile securing rod enough distances extremely, making it can be against locking plate (73).When securing rod was pressed down, this securing rod broke away from locking plate (73).Thus, start stop button and remove plate machine (100) locking, the plate machine can be depressed and start piezoelectric device (40) at this moment.
In case the generation flare only just can be kept flare when continuing the supply combustion gas.Only pin plate machine (100) and can't keep flare.Only when pinning stop button (70), just continue to supply combustion gas.
When decontroling stop button (70), back-moving spring (75) pushes its initial position to stop button.In a single day stop button is in its initial position, and securing rod (71) is got back to latched position under the elastic force effect of arm spring (84), and valve (31) is got back to the closed position.When securing rod was got back to latched position, securing rod was again against locking plate (73).Therefore this igniter locking once more automatically.
Claims (10)
1. insurance institution that is used for a multipurpose lighter, this multipurpose lighter comprises an igniter housing; One spark lever that stretches out from this igniter case; A fuel tank that charges in this igniter case; One is pressed into the closed position, is used for discharging the valve of combustion gas by spring; One produces the piezoelectric device of spark with the Gas Pipe and that this valve is connected, passes this spark lever, and described insurance institution comprises:
One be contained in this igniter case slidably, be used for depressing the trigger of this piezoelectric device;
One locking mechanism, this locking mechanism comprises a securing rod, a locking spring and a locking plate, this securing rod has a latched position and a unlocked position, this securing rod on this latched position the time against this locking plate, prevent that trigger is depressed, this securing rod on this unlocked position the time and this locking plate break away from, this this securing rod of locking spring handle is pressed into this latched position; And
One stop button, comprise that an initial position, an operating position, a contact-making surface, a back-moving spring, a combustion gas release portion and separate the lock section, this contact-making surface supplies user's finger to be placed on it stop button is moved to this operating position from this initial position, this back-moving spring is pressed into latched position to stop button, this combustion gas release portion opens this valve when stop button is in the operating position, this is separated the lock section and untie this locking mechanism when stop button is in the operating position.
2. insurance institution according to claim 1 is characterized in that:
This securing rod and this trigger fuse; And
This locking plate and this fuel tank fuse.
3. insurance institution according to claim 2, it is characterized in that: this trigger also comprises a projection, and this of this stop button separated the lock section and this projection interacts, mobile trigger when this stop button moves to this operating position, securing rod and locking plate are broken away from, thereby can depress trigger.
4. insurance institution according to claim 1 is characterized in that:
This locking plate and this trigger fuse;
This securing rod comprises a latched position, a unlocked position, one first end and one second end, this first end when securing rod is positioned at latched position against the locking plate of trigger, this first end when securing rod is positioned at unlocked position and locking plate break away from, this second end is contained on this igniter case with pivot; And
This stop button is when moving to this operating position, and it is separated the lock section and behind this securing rod securing rod is pushed this unlocked position.
5. insurance institution according to claim 4 is characterized in that: it is an inclined-plane that this of this stop button separated the lock section.
6. insurance institution that is used for a multipurpose lighter, this multipurpose lighter comprises an igniter housing; One spark lever that stretches out from this igniter case; A fuel tank that charges in this igniter case; One is pressed into the closed position, is used for discharging the valve of combustion gas by spring;
One produces the piezoelectric device of spark with the Gas Pipe and that this valve is connected, passes this spark lever, and described insurance institution comprises:
One is formed on the locking plate on the fuel tank;
One trigger, this trigger are contained in the igniter case slidably, press down piezoelectric device during trigger depression, this trigger comprise a securing rod, a projection, a locking spring,
One latched position and a unlocked position, this this trigger of locking spring handle is pressed into latched position, and this securing rod against locking plate, prevents that trigger is pressed down when trigger is in latched position, this securing rod can't be against locking plate when trigger is in the unlocked position, so trigger can press down; And
One stop button, this stop button has an initial position and an operating position, be used for opening this valve and trigger is pushed unlocked position, this stop button comprises that a contact-making surface, a back-moving spring, a combustion gas release portion and separate the lock section, this contact-making surface is placed on it for user's finger, push away stop button before the user and stop button is moved to the operating position from initial position, in the time of on the operating position, combustion gas release portion opens this valve, separate lock section and this projection and interact trigger immigration unlocked position, back-moving spring pushes initial position to stop button when decontroling stop button.
7. insurance institution according to claim 6, it is characterized in that: the lock section of separating of stop button comprises an inclined plane part and a planar portions, when stop button is travelled in the operating position, this inclined plane part is at first against this projection, this planar portions is against this projection then, when planar portions during against this projection trigger be pushed into unlocked position.
8. insurance institution according to claim 6 is characterized in that: this projection is enough high, so that securing rod moves the distance that is enough to the locking plate disengaging.
9. insurance institution that is used for a multipurpose lighter, this multipurpose lighter comprises an igniter housing; One spark lever that stretches out from this igniter case; A fuel tank that charges in this igniter case; One is pressed into the closed position, is used for discharging the valve of combustion gas by spring;
One produces the piezoelectric device of spark with the Gas Pipe and that this valve is connected, passes this spark lever, and described insurance institution comprises:
One trigger, this trigger is contained in the igniter case slidably, is used for pressing down piezoelectric device, and this trigger has a locking plate;
The securing rod of one this trigger of locking, this securing rod comprises a latched position, a unlocked position, one first end and one second end, this first end when securing rod is positioned at latched position against the locking plate of trigger, prevent down trigger squeeze, this first end when securing rod is positioned at unlocked position and locking plate break away from, this second end is contained on the igniter case with pivot;
A securing rod is pressed into the locking spring of latched position;
One be contained in slidably in the igniter case, securing rod moved into the stop button of unlocked position, this stop button comprise an initial position, an operating position, a contact-making surface,
One combustion gas release portion and one separates the lock section, and this contact-making surface stretches out above igniter case and is placed on it for user's finger, this combustion gas release portion and this valve adjacency, and this release portion is positioned at by the securing rod; And
One is connected, stop button is pressed into the back-moving spring of initial position with stop button;
Wherein, when stop button was travelled in the operating position, it was separated the lock section and behind securing rod securing rod is pushed unlocked position.
10. insurance institution according to claim 9 is characterized in that: the lock section of separating of stop button comprises an inclined plane part, and this inclined plane part pushes unlocked position to securing rod behind securing rod when stop button is travelled in the operating position.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/531,083 US6318992B1 (en) | 2000-03-18 | 2000-03-18 | Slide-safety button child-resistant utility lighter |
| US09/531,083 | 2000-03-18 | ||
| US57250900A | 2000-05-18 | 2000-05-18 | |
| US09/572,509 | 2000-05-18 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310117140 Division CN1226556C (en) | 2000-03-18 | 2001-03-19 | Slide-safety button child-resistant utility lighter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1315628A CN1315628A (en) | 2001-10-03 |
| CN1152207C true CN1152207C (en) | 2004-06-02 |
Family
ID=27063456
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310117140 Expired - Lifetime CN1226556C (en) | 2000-03-18 | 2001-03-19 | Slide-safety button child-resistant utility lighter |
| CNB011091843A Expired - Lifetime CN1152207C (en) | 2000-03-18 | 2001-03-19 | Sliding safety button multipurpose lighter capable of protecting child |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310117140 Expired - Lifetime CN1226556C (en) | 2000-03-18 | 2001-03-19 | Slide-safety button child-resistant utility lighter |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN1226556C (en) |
| CA (1) | CA2341337C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004002008A1 (en) * | 2003-11-14 | 2005-06-16 | BSH Bosch und Siemens Hausgeräte GmbH | Electric household appliance with child safety lock |
| CN113362517B (en) * | 2021-08-10 | 2021-10-01 | 南通京希信息技术有限公司 | Child monitoring protection type intelligent access control monitoring system |
-
2001
- 2001-03-16 CA CA 2341337 patent/CA2341337C/en not_active Expired - Lifetime
- 2001-03-19 CN CN 200310117140 patent/CN1226556C/en not_active Expired - Lifetime
- 2001-03-19 CN CNB011091843A patent/CN1152207C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1315628A (en) | 2001-10-03 |
| CN1501023A (en) | 2004-06-02 |
| CA2341337A1 (en) | 2001-09-18 |
| CA2341337C (en) | 2007-06-12 |
| CN1226556C (en) | 2005-11-09 |
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|---|---|---|---|
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| SE01 | Entry into force of request for substantive examination | ||
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| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20040602 |
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