THIRUVULLUMULUTUK US009970726B1

(12) United States Patent (10 ) Patent No.: US 9 ,970,726 B1

Hubert et al. (45 ) Date of Patent: May 15 , 2018
(54 ) GLOCK
MANUALPISTOL
TACTICAL SAFETY SYSTEM FOR (56 ) References Cited
U .S . PATENT DOCUMENTS
(71) Applicant: R .D .I.H . SPRL , Liège (BE ) 4,312, 263 A * 1/1982 Bourlet .................. F41A 17/72
@ 89/ 154
(72 ) Inventors : Leon Hubert, Liège (BE ); Robert 4 ,461, 110 A * 7 /1984 Inderbitzen ............. F41A 17/74
42/66
Hubert, Cheratte (BE ) 4,628 ,626 A * 12 /1986 Brandt .................... F41A 17/74
42 /70.01
(73 ) Assignee: R . D .I. H . SPRL , Liège (BE ) 4, 926 ,575 A * 5 / 1990 Pastor .................... F41A 17/ 46
42 / 70 .06
@
( * ) Notice : Subject to any disclaimer, the term of this (Continued )
patent is extended or adjusted under 35 Primary Examiner — Michael D David
U .S .C . 154 (b ) by 0 days. days . ( 74 ) Attorney, Agent, or Firm — Reinhart Boerner Van
Deuren P . C .
(21) Appl. No.: 15/490,203 (57) ABSTRACT
A removable manual and tactical safety device ( 1 ) for a
(22 ) Filed : Apr. 18 , 2017 hammerless or linear striker fired firearm , comprising a
cylindrical body ( 2 ) having a longitudinal recess ( 3 ), a first
(51) Int. CI. lever (4 ) and a second lever (5 ) being secured together
F41A 17 /00 ( 2006 . 01) according to the axis of said longitudinal recess (3 ), said
F41A 17 /64 ( 2006 .01) cylindrical body (2 ) having a transverse housing (9 ) for
F41A 17 /02 ( 2006 .01) lodging a push pin ( 10 ) comprising a cogwheel having at
F41C 3 / 00 ( 2006 .01) least two cut cogs ( 14A ) defining at least a first position and
F41A 11 /00 ( 2006 . 01) a second position of the push pin ( 10 ) respectively , said first
lever ( 4 ) having a body (6 ) provided on its external surface
(52 ) U .S . CI. with at least two pinions teeth ( 14B ) capable of cooperating
CPC ............... F41A 17/64 ( 2013 .01); F41A 11/ 00 with the cut cogs ( 14A ), so that the rotating of the first lever
(2013.01); F41A 17/02 (2013.01); F41C 3/00 (4 ) secured with the second lever (5 ) permits the displace
(2013 .01) ment of the push pin ( 10 ) perpendicularly to the axis of the
(58 ) Field of Classification Search longitudinal recess ( 3 ) , said push pin ( 10 ) being held in said
CPC .......... F41A 17 /72 ; F41A 17 /42 ; F41A 17 /74 ; first and second position respectively by a spring ( 11 )
F41A 17 /06 ; F41A 17 /08 cooperating with a pin ( 12 ) located in a longitudinal cavity
USPC ....... 42 /70.01 – 70 .08 ; 89 / 142 , 148 , 150 , 154 , (13) of the cylindrical body (2 ) parallel to the axis of the
89/27 . 12 longitudinal recess (3 ), said spring ( 11) maintaining a tip of
See application file for complete search history. (Continued )

0
10A AR
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 US 9 ,970 ,726 B1
Page 2
said pin ( 12 ) within one of two recesses (30 ) provided on the 6 ,539 ,658 B1 * 4/ 2003 Hubert ............. F41A 17 / 74
42/ 70 .08
side of said push pin ( 10 ), said push pin ( 10 ) further having
a protrusion ( 10A ) designed so that, in use , the forward , 6 ,907,814 B2* 6 /2005 Spinner ....... ....... F41A 11/ 00
backward respectively, displacement of the push pin ( 10 ), 42 /70 .01
defining an advanced and retracted position of the push pin 6 ,941,692 B1 * 9 /2005 Krinke ............. F41A 17 /02
( 10 ) respectively , permits to prevent, allow respectively , the 42/ 70 . 08
connector (23) of the firearm trigger bar (15A ) to release the 7,617,628 B2 * 11/ 2009 Curry ............ . F41A42 /7019 /.2802
firing pin ( 16 ) for firing .
7,703,230 B2 * 4/2010 Curry ............. F41A42 /7017 /.01 72
12 Claims, 12 Drawing Sheets
8,132,496 B2 * 3/2012 Zukowski F41A 17 /66
42 / 70 .01
( 56 ) References Cited 8 ,443, 537 B2 * 5/ 2013 Curry .................. F41A 17 /72
42/66
U .S. PATENT DOCUMENTS 8,966 ,803 B2 * 3/2015 Dietel .............. F41A 17 /06
42 / 70 .01
5, 166,458 A * 11/ 1992 Yoo ........ .... F41A 19 /45
42 /69.03
2013 /0174459 A1 * 7 /2013 Moretti ............ F41A 17/60
42 /69.01
5 , 208 ,406 A * 5 / 1993 Badali .................. F41A 17/ 74
42 /70 .08 * cited by examiner
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 US 9 ,970 ,726 B1
MANUAL TACTICAL SAFETY SYSTEM FOR not block any element of the gun but prevents the trigger bar
GLOCK PISTOL from releasing the firing pin without blocking the other
parts . Therefore , this design would not involve any risk of
FIELD OF THE INVENTION damage , whatever the effort on the trigger .
Another aim of the present invention is to further allow
The present invention relates to a manual and tactical the placing of a padlock preventing any shooting and thus to
safety device to be assembled on an automatic or semiau - secure the weapon in its safe position when the gun is not
tomatic firearm and which can be presented in kit form used .
adaptable to conventional commercially available firearms. An additional aim of the present invention is to provide
The safety device is a locking device which mandatorily 10 such a mechanism , which removes the requirement to press
requires manual release by the user independently of trigger the trigger, when removing the slide , thus permitting to
pull . avoid unwanted fire when servicing the gun .
The present invention also relates to a semiautomatic type
firearm , such as a pistol, equipped with this device . 15 SUMMARY OF THE INVENTION
TECHNOLOGICAL BACKGROUND AND A first aspect of the present invention relates to a remov
PRIOR ART able manual and tactical safety device for a hammerless or
Safety mechanisms for firearms intended to prevent unin linear striker fired firearm having a frame, a slide with a slide
tentional or inadvertent percussion are well-known . These 20 cover plate , a trigger mechanism comprising a trigger, a
safety mechanisms are of two types . trigger bar attached to the trigger and engaging by the
For firearms provided with a hammer, the safety device intermediate of a connector the rear portion of a firing pin to
blocks the hammer in the cocked position ready to shoot, prevent the firing pin from moving forward , the trigger bar
which nevertheless still involves risks if the weapon is being also capable by going down to release the firing pin for
dropped . In such a case, the system has the disadvantage of 25 firing , when the trigger is pulled rearward , said safety device
causing damage to the hammer and sear mechanisms or of being intended to be attached at the rear of the slide and
causing the accidental firing of a bullet. comprising a cylindrical body having a longitudinal recess ,
As far as hammerless firearms are concerned , these are a first lever and a second lever being secured together
generally not provided with manual safety , which induces a according to the axis of said longitudinal recess, said cylin
risk of unwanted shooting. In this type ofweapon , the firing 30 drical body having a transverse housing for lodging a push
pin is hooked by a mechanism which , when the trigger is pin comprising a cogwheel having at least two cut cogs
pressed , releases the firing pin from its cocked position and defining at least a first position and a second position of the
thus allows percussion . In other cases, the firing pin is in an push pin respectively , said first lever having a body provided
intermediate position between the percussion position and
the armed position . The stroke for fully cocking the firing 35 on its external surface with at least two pinions teeth capable
of cooperating with corresponding cut cogs , so that the
pin is effected when the trigger is pressed thanks to the rotating of the first lever secured with the second lever
trigger bar. At the end of the stroke , the trigger bar is
retracted and releases the firing pin . The latter, actuated by permits
the axis
the displacement of the push pin perpendicularly to
of the longitudinal recess , said push pin being held
its spring, can then , by its forward movement, strike the
primer of the cartridge located in the chamber. This system 401incooperating
said first and second position respectively by a spring
with a pin located in a longitudinal cavity of the
generally does not have manual safety mechanism and
therefore also involves a risk of inadvertent firing. cylindrical body parallel to the axis of the longitudinal
recess , said spring maintaining a tip of said pin within one
AIMS OF THE INVENTION of two recesses provided on the side of said push pin , said
45 push pin further having a protrusion designed so that, in use ,
The present invention aims to provide a rapid manual the forward , backward respectively, displacement of the
safety mechanism to be assembled on a hammerless semi- push pin , defining an advanced and retracted position of the
automatic firearm , such as a pistol without firearm hammer , push pin respectively , permits to prevent, allow respectively ,
when such a safety is not provided on the original firearm . the connector of the firearm trigger bar to release the firing
More particularly , the invention aims to provide such a 50 pin for firing .
safety mechanism provided with visualization and /or tactile According to preferred embodiments , the safety device
marking or indexing of the firearm in the safety and ready to further comprises one of the following characteristics or a
shoot positions respectively . suitable combination of such characteristics :
More particularly, the present invention aims to provide a the two recesses are conical, pyramidal, spherical or in the
safety mechanism in kit form , which is relatively easily 55 shape a of truncated cone;
adaptable to a particular type ofweapon while retaining the the transverse housing for lodging the push pin and the
conventional structure of a firearm already in service , thus push pin are
without requiring any additionalmachining of the weapon in designed so that, when the push pin is in the advanced
question or of its component parts . The kit can therefore be position , the end of the push pin distal of the protrusion does
assembled without irreversible modification of the firearm . 60 not protrude at the rear of the cylindricalbody and , when the
Another goal of the present invention is to provide a push pin is in the retracted position, the end of the push pin
mechanism which allows, with a single movement, to lock distal of the protrusion protrudes at the rear of the cylindrical
the firing of the weapon and likewise , with a reversed single body;
movement, allows to release the locking without pulling the the position of the levers and of the push pin notify the
trigger, in order to prepare the firearm for firing . 65 user if the safety device is in a so -called " safety
An additional goal of the present invention is to provide position” , the levers being up and the push pin not
such a safety mechanism which , in the safety position , does protruding at the rear of the cylindrical body or a
 US 9 ,970 ,726 B1
so -called “ ready to shoot” position , the levers being FIGS. 7A to 7C are elevation views with local cross
down and the push pin protruding at the rear of the sectional views of the firing parts in the frame interior with
cylindrical body ; the push pin of the safety device in different positions: FIG .
the first lever and the second lever are secured by clicking 7A is the " safety position, FIG . 7B is the “ ready to shoot
together in the longitudinal recess thanks to teeth 5 position ” and FIG . 7C is the “ firing position ” .
provided in the body of the first lever each suitable to FIG . 8A is a perspective view of the assembly of the
cooperate with a slot provided in the body of the second safety device on the firearm , the safety device being in the
lever ; " safety position ” .
the displacement of the first lever is able to cause the FIG . 8B is a perspective view of assembly of the safety
displacement of the second lever ; 101 device on the firearm , the safety device being in the “ ready
the push pin further comprises a groove at the end to shoot position " .
opposite the protrusion and wherein the cylindrical
body comprises a longitudinal boring parallel to the FIGS. 9A to 9E illustrate an assembly diagram of the
longitudinal recess , and traversing the transverse hous safety device of the invention .
ing, so that a padlock can be secured in said boring 15 viewFIGS . 10A to 10B illustrate a first and second perspective
of the safety device of the invention assembled on the
when the push pin is located with the groove aligned to
the boring , in safe position of the firearm . firearm and provided with a padlock .
the safety device further comprises fastening means for
attaching the safety device in a sliding manner at the NUMERICAL REFERENCES OF THE FIGURES
rear of the slide, after having removed the slide cover 20
plate at the rear of the slide; 1 tactical safety device
the safety device is intended to be placed on a firearm of 2 cylindrical body
the Glock type and which can be factory -assembled on 3 longitudinal recess
said firearm or adapted to a firearm already in service . 4 first lever
A second aspect of the present invention relates to a 25 5 second lever
firearm of the Glock type comprising a removable safety 6 body of the first lever
device as recited above . 7 teeth of the first lever
Advantageously, when the safety device is located on the 8 body of the second lever
firearm in the safety position , the connector of the trigger bar 9 housing
is pushed inwardly towards the slide axis by the protrusion 30 10 push pin
of the push pin which is in an advanced position , the 10A protruding part
connector being prevented in this position to contact the 11 spring
trigger bar and further to unlock the latter for releasing the 12 pin
firing pin , when the trigger is pressed by the user. 13 boring
Still advantageously, when the safety device is located on 35 14A cut cogs of the cogwheel (or gear)
the firearm in the ready to shoot position or in the firing 14B pinions teeth of the cogwheel
position , the protrusion of the push pin is in a retracted 15 trigger
rearward position , the connector being not prevented to 15A trigger bar
contact the trigger bar and further to unlock the latter for 16 firing pin
releasing the firing pin , when the trigger is pressed by the 40 17 slide
user. 18 boring
19 groove of the push pin
SHORT DESCRIPTION OF THE DRAWINGS 20 padlock
21 fastening means
The present invention will be described with the appended 45 22 slide cover plate
figures representing several preferred embodiments of the 23 connector
invention . 24 slot
FIG . 1 is the well -known exploded perspective view with 25 spacer sleeve
the conventional parts of a commercially -available semi 26 spring -loaded bearing
automatic pistol. 50 27 slide lock
FIG . 2 is an exploded perspective view of the manual 28 slide stop lever
safety device according to the present invention . 29 barrel
FIGS . 3A to 3E are different views showing the cogwheel 30 conical recesses
mechanism of the manual safety device according to the
present invention . 55 DESCRIPTION OF PREFERRED
FIG . 4 is a perspective view showing the assembly of the EMBODIMENTS OF THE INVENTION
safety device on the rear part of the firearm slide .
FIGS. 5A to 5C are different top views of the firing parts, According to a preferred embodiment, the manual safety
showing the push pin of the safety device in different mechanism , hereinafter referred to as a “manual tactical
positions; FIG . 5A is the " safety position " , FIG . 5B is the 60 safety system " , may be assembled on a conventional auto
" ready to shoot position ” and FIG . 5C is the “ firing posi- matic or semiautomatic firearm such as a pistol of the Glock
tion ” . type during manufacturing or may be presented in kit form
FIGS . 6A to 6C are perspective views of the firing parts and adapted on a weapon of this type which is already in
showing the push pin of the safety device in different service . The weapon modification will be very simply per
positions : FIG . 6A is the " safety position " , FIG . 6B is the 65 formed using the aforementioned kit corresponding to the
“ ready to shoot position ” and FIG . 6C is the “ firing posi- respective firearm , the rest of the weapon remaining iden
tion ” . tical to the original firearm .
 US 9 ,970 ,726 B1
The safety mechanism of the invention , which is particu FIGS. 5A to 5C and FIGS. 6A to 6C illustrate the
larly simple , may thus be adapted to any hammerless semi- operation mode of the safety mechanism , and its interaction
automatic firearm in such a manner that no modification of with the firearm . In FIGS. 5A and 6A , the safety device is
the firing characteristics of said firearm is needed . in a “ safety position ", and therefore even if the user presses
For a better understanding of the operation of the device 5 the trigger , he will not be able to fire. FIGS. 5B and 6B show
of the present invention, the exploded perspective view of the “ ready to shoot position ” . In this position the weapon is
FIG . 1 shows the conventional parts of a commercially able to fire . To pass from the safety position to the ready to
available Glock -type semi-automatic pistol. Only the parts shoot position , the user has to rotate the first or the second
of the firearm which are related to the operation of the device lever as described above . As the two levers are intercon
of the present invention are provided with reference num - nected , the displacement of the one causes the displacement
bers in FIG . 1 . of the other . Both positions of the levers 4 , 5 are illustrated
FIG . 2 represents an exploded perspective view of the by FIGS . 8A and 8B respectively . In FIGS . 5C and 6C , the
various parts forming the safety device intended to be firearm is in " firing position " , the levers 4 , 5 are then in the
assembled on a Glock -type pistol as represented in FIG . 1 . 1 same position as the “ ready to shoot position " . The position
The safety device 1 comprises a cylindrical body 2 having of the levers, lowered or lifted , visually indicates to the user
a longitudinal recess 3 . if the firearm is " safe” or “ ready to shoot” .
Two levers, a first lever 4 and a second lever 5 , are On FIGS. 5A and 6A , the safety device 1 is located on the
assembled to the cylindrical body 2 and secured together by firearm in the safe position . The connector 23 of the firearm
clicking them respectively within said longitudinal recess 3 . 20 is pushed in the transverse direction ( see arrow A ) by the
In particular, the first lever 4 has a main body 6 extending push pin 10 which is in an advanced position . Actually, the
with two teeth 7 , and these teeth 7 are suitable to snap in a connector 23 of the firearm is pushed and displaced towards
slot 24 provided in the main body 8 of the second lever 5 . the center, and closer to the longitudinal axis of the weapon .
A push pin 10 is located in a housing 9 provided transver - In this position , it is impossible for the connector 23 to reach
sally in the cylindrical body 2 . The push pin 10 is held in its 25 and contact the trigger bar 15A and to lower the latter. Thus ,
housing 9 by a spring 11 cooperating with a pin 12 . Spring the trigger bar 15A always remains in contact with the firing
11 and pin 12 permit to locate and maintain the push pin 10 pin 16 and cannot be separated from it . Consequently the
by a pressure exerted by the spring 11 , the pressure being firing pin 16 cannot be released . This makes the firing
perpendicular to the axis of the push pin 10 . Moreover, impossible , regardless of the trigger position . The levers 4
spring 11 and pin 12 are located in a separate cavity 13 30 and 5 of the safety device are in the high position and are
provided in the cylindrical body 2 , parallel to the longitu - visible during the preparation for firing. In this position the
dinal recess 3 . push pin 10 does not come out at the rear of the cylindrical
As shown on FIGS. 3A and 3B , the push pin 10 comprises body 2 .
two cut cogs 14A of a cogwheel while the external surface On FIGS. 5B and 6B , in the “ ready to shoot position ” , the
of the cylindrical body 6 of the first lever 4 comprises two 35 connector movement is not influenced by the push pin 10 .
pinions teeth 14B cooperating with the corresponding cut Indeed , when the safety device is in the " ready to shoot
cogs 14A . Furthermore two conical recesses 30 are provided position ” , the push pin 10 is in its retracted position and is
on the side of the push pin 10 , each capable of lodging the not in contact with the connector 23 . In this case , the trigger
tip of pin 12 , thanks to the above mentioned pressure exerted bar 15A normally comes into contact with the unlocking
by the spring 11 . The two conical recesses 30 respectively 40 ramp of the connector 23 . The connector 23 is able to
correspond to the " safe " and " ready to shoot” positions of displace the trigger bar 15A , which release the firing pin 16
the safety device (see below ). Thanks to the cogwheel, the when the trigger 15 is pressed . The levers 4 and 5 of the
rotation of the levers 4 , 5 permits the linear displacement of safety device are downward and the push pin 10 is backward
the push pin 10 , perpendicularly to the axis of the cylindrical and does not influence the shoot. Its position is visible at the
body 2 . The pinions teeth 14B on the first lever 4 cooperate 45 rear of the slide 17 and thus notifies the shooter that the
with the cut teeth 14A on the push pin 10 to transform the weapon is ready for shooting.
rotation of the levers 4 , 5 into a linear displacement of the On FIGS. 5C and 6C , the firearm is in firing position . The
push pin 10 , the pin 12 passing then from one of the respective elements of safety device and Glock pistol firing
above -mentioned recesses 30 to the other one (see FIGS. 3C parts are illustrated at the instant of firing.
and 3D for the " ready to shoot” position and FIG . 3E for the 50 FIGS. 6A to 6C and FIGS. 7A to 7C show different views
" safe " position ). The position , advanced or retracted , of the of the firing parts with the push pin of the safety device in
push pin 10 in the safety device 1 , permits in use to prevent different positions. FIGS. 6A and 7A illustrate the “ safety
or authorize the trigger bar of the firearm to release the firing position , FIGS. 6B and 7B illustrate the " ready to shoot
pin . position ” and FIGS. 6C and 7C illustrate the “ firing posi
According to one embodiment, there are more than two 55 tion ” respectively .
pinions teeth 14B andmore than two corresponding cut cogs FIGS. 9A to 9E illustrate the assembling steps for the
14A . A classical gear can even be contemplated . manual safety device 1 of the instant invention . First of all
The safety device of the invention may be assembled the internal pin 12 is assembled with its spring 11 , as
easily on a firearm of the Glock type, as illustrated in FIG . illustrated in FIG . 9A . Then said assembly is pushed within
4 . The safety device comprises simple fastening means 21 60 the recess 13 of the cylindrical body 2 , as illustrated in FIG .
located on the cylindrical body 2 . Firstly, the user has to 9B , and the push pin 10 is inserted into the transversal
remove the slide cover plate 22 of the Glock firearm , located housing 9 provided in the cylindrical body, as illustrated in
at the back of the slide 17 . Then , the user secures the safety FIG . 9C . With the help of a tool such as a screwdriver the
device 1 on the rear part of the slide 17 , instead of the slide pin 12 is pushed against the force of the spring 11 in order
cover plate 22 , thanks to the fastening means 21 . According 65 to allow the tip of pin 12 to position itself in one of the
to a preferred embodiment, the fastening can be effected by conical recesses 30 , as illustrated in FIG . 9D . Finally the first
sliding the fastening means 21 inside the back of slide 17 . lever 4 and the second lever 5 are assembled by clicking
 US 9,970 , 726 B1
within the cylindrical body 2 , the teeths 7 of the first lever no irreversible modification practiced on the firearm
4 being clipped into the body 8 of the second lever 5 , as which allows easy return to the original or conventional
illustrated in FIG . 9E . firearm ;
The assembly of the manual safety device of the present visual and tactile indexing of the firearm in respective
invention on a Glock -type pistol is performed as described 5 ready to shoot and safety positions ;
hereinafter adaptable to several models of a given firearm type ( e. g .
Attaching the Safety Device to the Firearm Glock 17 and other Glock pistol models );
i) Place the slide 17 in rear position on the slide stop lever easy ambidextrous handling of the weapon ;
28 ; safety active during shelf storage.
ii ) Push the spacer sleeve 25 forward and remove the slide 10 The invention claimed is :
cover plate 22 ; 1 . A removable manual and tactical safety device (1 ) for
iii ) Introduce the safety device at the entry of the slide rear a hammerless or linear striker fired firearm having a frame,
end , compress forward the spacer sleeve 25 with a a slide (17 ) with a slide cover plate (22 ), a trigger mecha
screwdriver and push the safety device upward up to 15 nism comprising a trigger ( 15 ), a trigger bar ( 15A ) attached
abut against the spring -loaded bearing 26 ; to the trigger ( 15 ) and engaging by the intermediate of a
iv ) With the screwdriver , push forward the spring - loaded connector (23) the rear portion of a firing pin ( 16 ) to prevent
bearing 26 and completely introduce the safety device the firing pin (16 ) from moving forward , the trigger bar
until its locking, while removing the screwdriver — iii) (15A ) being also capable by going down to release the firing
and iv ) operations can be performed at once; 20 pin (16 ) for firing, when the trigger is pulled rearward , said
v ) The firearm is now provided with the manual safety safety device ( 1) being intended to be attached at the rear of
device. the slide ( 17 ) and comprising a cylindrical body (2 ) having
Disassembling of the Safety Device a longitudinal recess (3 ), a first lever (4 ) and a second lever
i) Place the slide 17 in rear position on the slide stop lever (5 ) being secured together according to the axis of said
28 ; 25 longitudinal recess ( 3 ) , said cylindrical body ( 2 ) having a
ii ) Push the spacer sleeve 25 forward and remove the transverse housing (9 ) for lodging a push pin (10 ) compris
safety device. ing a cogwheel having at least two cut cogs (14A ) defining
Disassembling of the Slide at least a first position and a second position of the push pin
i) Disassemble the safety device as described here above ; ( 10 ) respectively , said first lever (4 ) having a body (6 )
ii ) Remove the firing pin assembly ; 30 provided on its external surface with at least two pinions
iii ) Introduce instead of the firing pin assembly the teeth ( 14B ) capable of cooperating with the cut cogs ( 14A ),
locking tool (not shown ) for the spring- loaded bearing so that the rotating of the first lever (4 ) secured with the
26 and , after compression of the latter, thanks to a second lever (5 ) permits the displacement of the push pin
counterclockwise rotation , lock the spring -loaded bear - ( 10 ) perpendicularly to the axis of the longitudinal recess
ing 26 ; 35 (3 ) , said push pin (10) being held in said first and second
iv ) Release the slide 17 from its slide stop lever 28 ; position respectively by a spring ( 11 ) cooperating with a pin
v ) Push the barrel 29 rearward , lower the slide lock 27 and (12 ) located in a longitudinal cavity ( 13 ) of the cylindrical
remove the slide 17 forward . This operation is without body (2 ) parallel to the axis of the longitudinal recess ( 3 ),
firing risk because the firing pin is absent whatever the said spring ( 11 ) maintaining a tip of said pin (12 ) within one
position of the trigger. 40 of two recesses ( 30 ) provided on the side of said push pin
Reassembling of the Slide on the Frame ( 10 ), said push pin ( 10 ) further having a protrusion ( 10A )
Trigger being in forward position , introduce the frame into designed so that, in use , the forward , backward respectively,
the slide 17 up to locking by the slide lock 27 ; displacement of the push pin ( 10 ), defining an advanced and
i) Place the slide 17 in rear position on the slide stop lever retracted position of the push pin ( 10) respectively , permits
28 ; 45 to prevent, allow respectively , the connector ( 23 ) of the
ii ) Rotate the locking tool (not shown ) for the spring - firearm trigger bar (15A ) to release the firing pin ( 16 ) for
loaded bearing 26 clockwise and remove the latter from firing .
the slide 17 ; 2 . The safety device (1 ) according to claim 1 , wherein the
iii ) Perform the operations as in iii ) and iv ) of Attaching two recesses ( 30 ) are conical, pyramidal, spherical or in the
the safety device to the firearm ; 50 shape of a truncated cone.
iv ) The firearm is ready to shoot. 3 . The safety device ( 1 ) according to claim 1 , wherein the
In a preferred embodiment of the invention illustrated in transverse housing (9 ) for lodging the push pin ( 10 ) and the
FIGS. 10A and 10B , a padlock 20 is provided to secure the push pin (10 ) are designed so that, when the push pin (10 )
firearm in its safe position when the firearm is not used . The is in the advanced position , the end of the push pin (10 )
cylindrical body 2 of the safety device comprises a boring 55 distal of the protrusion ( 10A ) does not protrude at the rear
18 , provided parallel to the longitudinal recess 3 and the of the cylindrical body (2 ) and , when the push pin ( 10 ) is in
ends of which are aligned on the housing 9 of the push pin the retracted position , the end of the push pin ( 10 ) distal of
10 . A groove 19 is provided in the push pin 10 , and when the the protrusion (10A ) protrudes at the rear of the cylindrical
safety device is in the safety position, body (2 ).
i.e . when the levers 4 and 5 are in the high position , and 60 4 . The safety device ( 1) according to claim 3 , wherein the
the push pin 10 is advanced , the boring 18 is aligned position of the levers (4 , 5 ) and of the push pin (10) notify
with the groove 19 . In this way, the insertion of the the user if the safety device is in a so - called “ safety
padlock 20 is possible to secure the firearm , by the position " , the levers (4 , 5 ) being up and the push pin (10 ) not
introduction of the ring of this padlock 20 in the boring protruding at the rear of the cylindrical body (2 ) or a
18. 65 so - called “ ready to shoot” position , the levers (4 , 5 ) being
The safety mechanism of the present invention has the down and the push pin ( 10 ) protruding at the rear of the
following advantages: cylindrical body (2 ).
 US 9,970 , 726 B1
5 . The safety device ( 1) according to claim 1 , wherein the 9 . The safety device ( 1 ) according to claim 1 , intended to
first lever (4 ) and the second lever (5 ) are secured by be placed on a firearm of the Glock type and which can be
clicking together in the longitudinal recess (3 ) due to teeth factory -assembled on said firearm or adapted to a firearm
( 7) provided in the body (6 ) of the first lever (4 ) each suitable 5 already in service.
to cooperate with a slot (24 ) provided in the body (8 ) of the 5 safety device (1of) according
10 . Firearm the Glock type comprising a removable
to claim 1 .
second lever (5 ) . 11 . The firearm according to claim 10 , wherein , when the
6 . The safety device (1 ) according to claim 5 , wherein the safety device ( 1 ) is located on the firearm in the safety
displacement of the first lever ( 4 ) is able to cause the position , the connector ( 23 ) of the trigger bar ( 15A ) is
displacement of the second lever (5 ). pushed inwardly towards the slide axis by the protrusion
7 . The safety device ( 1 ) according to claim 1 , wherein the " ( 10A ) of the push pin ( 10 ) which is in an advanced position ,
push pin ( 10 ) further comprises a groove ( 19 ) at the end the connector (23) being prevented in this position to contact
opposite the protrusion ( 10A ) and wherein the cylindrical the trigger bar ( 15A ) and further to unlock the latter for
body (2 ) comprises a longitudinal boring ( 18 ) parallel to the releasing the firing pin ( 16 ), when the trigger is pressed by
longitudinal recess (3 ), and traversing the transverse housing 15 the user.
(9 ), so that a padlock ( 20 ) can be secured in said boring (18 ) 12 . The firearm according to claim 10 , wherein , when the
when the push pin ( 10 ) is located with the groove ( 19 ) safety device ( 1 ) is located on the firearm in the ready to
aligned to the boring (18 ), in safe position of the firearm . shoot position or in the firing position , the protrusion (10A )
of the push pin ( 10 ) is in a retracted rearward position , the
8. The safety device (1 ) according to claim 1, further connector
comprising fastening means (21) for attaching the safety 20 (15A ) and (further 23 ) being notprevented to contact the trigger bar
to unlock the latter for releasing the firing
device ( 1 ) in a sliding manner at the rear of the slide ( 17 ),
after having removed the slide cover plate ( 22 ) at the rear of pin ( 16 ) , when the trigger is pressed by the user.
the slide ( 17 ). * * * * *