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JPM "star" lock

Information about locks themselves. Questions, tips and lock diagram information should be posted here.

JPM "star" lock

Postby FlaiX » 5 May 2004 15:10

Voici quelques images d'une serrure de "securite" qui était sur ma porte d'entrée et que j'ai démontée de la porte car la clé fut cassée .
Excuse my english, I'm a french lockpicker ;)
Image
FlaiX
 
Posts: 9
Joined: 16 Feb 2004 7:23
Location: Grenoble France

Postby FlaiX » 5 May 2004 15:20

Because of my very bad english, I will write in French, sorry in advance ;)
Donc voici les images d'une serrure que j'ai démontée, c'est une serrure qui fonctionne sur le meme principe que les serrures tubulaires.
Image
La clé est de ce type :
Image
On démonte le mécanisme en retirant les vis :
Image
Voici le mécanisme, vu de face :
Image
Et une fois retiré du corps de la serrure :
Image
Lorsqu'on introduit la clé dans le barillet, les pistons se positionnent afin de pouvoir permettre au barillet de tourner dans le corps de la serrure .
Image
Le barillet est bloqué dans la serrure par un cercle cranté :
Image
Sur cette image, on voit le piston en position de repos, qui bloque le passage :
Image
Et là, en position avec la clé insérée, on voit que le passage est libre :
Image
Et pour finir voisi à quoi ressemblent les pistons :
Image
Notez les faux crans destinés à rendre le crochetage plus difficile :
Image

Voila, encore désolé d'avoir écrit en français, mais si je l'avais fait en anglais, vous n'auriez surement rien compris à cause de mon faible pauvre niveau en anglais .
J'espère que ces photos vous aideront à comprendre le mécanisme de ce type de serrures .
Excuse my english, I'm a french lockpicker ;)
Image
FlaiX
 
Posts: 9
Joined: 16 Feb 2004 7:23
Location: Grenoble France

Postby Chucklz » 5 May 2004 15:30

FLaiX

I hope this is easy to understand, even though it is in english. I was able to understand your post through the photographs. Your lock appears to be similar in design to a Bramah Lock.

http://www.crypto.com/photos/misc/bramah/
Chucklz
 
Posts: 3097
Joined: 4 Nov 2003 17:58
Location: Philadelphia

Postby FlaiX » 5 May 2004 15:38

Yes Chucklz, the method is the same, but the flat sliders are, in my lock roud, with falses notches, wich complicate picking .
Excuse my english, I'm a french lockpicker ;)
Image
FlaiX
 
Posts: 9
Joined: 16 Feb 2004 7:23
Location: Grenoble France

Postby Jimmie » 8 May 2004 16:10

Hi all

this lock can be picked easily with a kind of "tubular pick" named in French "un parapluie" (umbrella pick) because the tool looks like an opened umbrella


cette serrure peut être crochetée rapidement avec un outil appelée en argot "un parapluie"

each sliders is moved individually with a feeler then a screw helps to maintain the slider in the right postion

chaque sureté est tâtée individuellement puis une vis papillon aides à la maintenir sur sa position d'ouverture

the sliders have false cuts you can detect cause they have a cut widest than the right cut ...

il y a des faux "crans" que l'on peut détecter car ils sont plus larges que le "cran" d'ouverture

it is like normal pîcking ... you feel which slider goes in right postion first then you try another one .. etc etc

c'est un crochetage normal ... sentir la paillette qui porte en premier puis essayer une autre etc etc

I've heard you can make an improvised umbrella with a with cork and some wires

j'ai entendu dire que l'on peut faire un pick improvisé avec un bouchon et des fils d'acier

the other way is (for a five sliders lock) to use a BIC ball pen some paper clips and a rubber band

ou sinon un crayon BIC des trombones dépliés et un élastique

et voilà !

Jimmie
Jimmie
 
Posts: 206
Joined: 4 May 2004 14:33
Location: france

Postby maldotcom2 » 8 May 2004 21:02

Ok...um...i dont know what you hope to achieve by speaking French when you know English :?

please use English :)
The best lock pick is C4 followed by a sledge Hammer
Image
maldotcom2
 
Posts: 312
Joined: 20 Apr 2004 0:40
Location: Australia Sydney

Postby Chucklz » 8 May 2004 21:58

A similar pick is made in the US for various tubular locks.
http://www.peterson-international.com/t ... kpicks.htm
Chucklz
 
Posts: 3097
Joined: 4 Nov 2003 17:58
Location: Philadelphia

Postby Jimmie » 9 May 2004 7:32

Hi

I posted my reply in En and Fr cause the fisrt post was in Fr and FLAIX is a French guy who doesn't speak En

effectively the tool used to pick this kind of lock looks more or less like the Peterson tool

but a Bic ball pen or a pencil with 6 sides makes a decent DIY base for a tubular pick

Jim
Jimmie
 
Posts: 206
Joined: 4 May 2004 14:33
Location: france

Postby maldotcom2 » 10 May 2004 1:21

FLAIX is a French guy who doesn't speak En


well seems to speak english in the first and second posts and his gramma's even quite correct

:?:
The best lock pick is C4 followed by a sledge Hammer
Image
maldotcom2
 
Posts: 312
Joined: 20 Apr 2004 0:40
Location: Australia Sydney

JPM

Postby greyman » 6 Feb 2006 10:00

Only just noticed this old thread.

The JPM lock is not a "tubular lock" in the usual sense, ie an axial pin tumbler lock. It is a kind of Bramah lock using pins instead of sliders. You can see from the photos that there is no shear line.

I don't see a problem with Jimmie's posting in both French and English - the original post was in French, after all.
Image
greyman
 
Posts: 1026
Joined: 21 Mar 2005 16:43
Location: NSW, Australia

PICK PUMP LOCK

Postby toutsurlaserrurerie » 5 May 2006 8:46

Hello,
To pick this lock, called "serrure a pompe" in french (based on Bramah invention), special tools exists since 80's, called "parapluie" (umbrella)
To know more : http://protections-vol.com/pompe.html

Fred
toutsurlaserrurerie
 
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Joined: 5 May 2006 7:17


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