CN110454011A - Door lock comprising multiple lock pieces - Google Patents
Door lock comprising multiple lock pieces Download PDFInfo
- Publication number
- CN110454011A CN110454011A CN201910856092.6A CN201910856092A CN110454011A CN 110454011 A CN110454011 A CN 110454011A CN 201910856092 A CN201910856092 A CN 201910856092A CN 110454011 A CN110454011 A CN 110454011A
- Authority
- CN
- China
- Prior art keywords
- lock
- locking rod
- jack
- door
- piece
- 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.)
- Granted
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/08—Mortise locks
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C1/00—Fastening devices with bolts moving rectilinearly
- E05C1/004—Fastening devices with bolts moving rectilinearly parallel to the surface on which the fastener is mounted
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C1/00—Fastening devices with bolts moving rectilinearly
- E05C1/02—Fastening devices with bolts moving rectilinearly without latching action
- E05C1/04—Fastening devices with bolts moving rectilinearly without latching action with operating handle or equivalent member rigid with the bolt
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
Abstract
Door lock comprising multiple lock pieces, it is related to door lock technical field, it includes locking rod, for being mounted on main door page front face and for the lock sleeve of the left end of locking rod insertion, block piece and lock device for being arranged in outside main door page, locking rod can axially move, the right end of locking rod is maintained on the front face of block piece and can be locked up device and stops, locking rod is equipped with the locating part that can resist lock sleeve to the left, multiple jacks penetrated for locking rod right end are offered in lock device, a lock piece is provided in each jack, lock piece can be opened with key and be taken out from jack, the position of jack is adjustable so as to make the right alignment of any one jack and locking rod.The present invention need to only open wherein any one lock piece when in use just can opening door lock, unrelated and influence between each lock piece, one of lock piece goes wrong and will not influence other people and normally unlock, and bring trouble degree after lock piece damage is effectively reduced.
Description
Technical field
The present invention relates to door lock technical field, a kind of especially door lock comprising multiple lock pieces.
Background technique
In such as campus laboratory, the place of multimedia computer room one kind, it will usually mechanical billiard locking-type be arranged on its door
Door lock, needing enter Shi Xianyong key open door lock, then open door again, door shut again when leaving and locks door lock.
For the place more frequent for access times, user is more, the door lock of door would generally be furnished with more
Key is used for more people, if wherein the key of a people is lost, then stealing in order to prevent, then needs to lock progress on the door more
It changes, requires synchronous replacement key so as to cause other owners, it is very troublesome.Moreover, due to the use of door door lock
Compare frequently, is easy to cause door lock to break down even and damages, may cause door lock can not temporarily open or temporarily can not
It locks, user, which has to wait until to repair, just can enter the room or leave later, this can undoubtedly waste many times, make
At great inconvenience.And when the case where thoroughly breaking down and can not repair occurs in the door lock of this kind of mechanical billiard locking-type,
Will face replace entire door lock the problem of, once and door lock is replaced, the key in all manpowers just requires to face replacement,
To which more time and efforts can be delayed.
Summary of the invention
Problem to be solved by this invention is to provide a kind of door lock comprising multiple lock pieces, need to only open wherein any
One lock piece just can opening door lock, unrelated between each lock piece and influence, one of lock piece goes wrong
It will not influence other people normally to unlock, bring trouble degree after lock piece damage be effectively reduced.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme: a kind of door lock comprising multiple lock pieces,
Including locking rod, for being mounted on main door page front face and existing for the lock sleeve of the left end of locking rod insertion, for setting
Block piece and lock device outside main door page, the locking rod can axially move, and the right end of the locking rod is maintained at blocking
It on the front face of part and device can be locked up stops, the locking rod is equipped with the locating part that can resist lock sleeve to the left, described
Multiple jacks penetrated for locking rod right end are offered in lock device, and one is provided in each jack for limiting locking
Bar insertion lock piece, the lock piece can with key open and taken out from jack, the position of the jack is adjustable so as to
Make the right alignment of any one jack and locking rod.
When lock sleeve is inserted into the left end of the locking rod, the locating part can resist lock sleeve to the left, make each lock at this time
Stop member locks corresponding jack respectively, so as to make the lock device stop the right end of locking rod, and then limits the locking rod
It is detached from from lock sleeve, locks door lock；It, can be by the position of the jack when the lock piece in any one jack is opened and takes out
The right alignment being adjusted to locking rod is set, the locking rod can be made toward moving right and being inserted into the jack, at this time so as to make
The left end for stating locking rod is exited from lock sleeve, opens door lock.
Preferably, the block piece is secondary door leaf, and the main door page combines formation by left and right with secondary door leaf can be from centre
The sliding door pushed open inside, the lock device are arranged on secondary door leaf.
It is highly preferred that be provided with mounting hole on the pair door leaf, the lock device include the shaft that is arranged in mounting hole with
And it is coaxially fixedly installed in the turntable of shaft, and each jack is arranged at intervals in a ring on the turntable, by rotating the turntable,
It can make the right alignment of any one jack and locking rod.
Or it is highly preferred that vertically-mounted on the pair door leaf have both ends in the sliding rail of closed, the lock device includes
It is slidably connected to the slide of sliding rail, the upper and lower ends of the slide, which have been respectively fixedly connected with one and can be locked up bar right end, to be stopped
Limited block, each jack is arranged at intervals on slide along the glide direction of the slide, by sliding the slide along sliding rail,
It can make the right alignment of any one jack and locking rod.
Wherein, a handrail is additionally provided on the side wall of the slide.
Preferably, the block piece is equipped with the support sleeve passed through for locking rod, when the right end of the locking rod passes through branch
Support set and when being inserted into jack, the locating part can resist to the right support sleeve.
It is highly preferred that the position for corresponding to each jack in the lock device is respectively equipped with corresponding identifying body.
It is highly preferred that the locating part is the bar blocks that is fixedly connected on locking rod side and can be used as handle.
It is highly preferred that the right side of the locking rod is equipped with one layer of cushion.
It is highly preferred that the lock piece is padlock.
The principle of the present invention is: when locking a door, transverse shifting locking rod, which is turned left, is inserted into lock sleeve, and right end is then from jack
It exiting, each lock piece is then made to lock corresponding jack respectively, locking rod is when moving right toward can be locked up device and stop at this time,
It is detached from from lock sleeve to can avoid locking rod, locks door lock；When enabling, then the lock piece in any one jack can be beaten
It opens and takes out, locking rod can be allowed to turn right transverse shifting to making locking rod exit lock sleeve after so that the jack is directed at locking rod,
Door lock is opened, main door page can be pushed open inside at this time.
The beneficial effects of the present invention are: the door lock of the structure may be selected any one lock piece when making and opening the door and be opened
Lock, in this way when some lock piece is damaged and can not open, may be selected other lock pieces and unlocks, and can equally allow lock
Only bar, which is moved to, exits lock sleeve, to will not influence the normally-open of door or close, it is seen then that between each lock piece mutually not
It association and influences, one of lock piece goes wrong and will not influence other people and normally unlock, and lock piece damage is effectively reduced
Bring trouble degree afterwards；Moreover, if more keys need to be matched again using existing door lock after encountering damage and replacing
User is given, since the cost having a key made to fit the lock can reach five yuans or so, this largely to re-key and not only delay
Time and efforts, also will increase cost, and when using door lock of the invention, if lock piece selects padlock common on the market, one
As for cost there was only several yuans, while can also be attached to two or three genuine key, therefore multiple lock pieces are set in lock device
The genuine key amount possessed in total almost distributes to multiple users enough, if the damage of one of lock piece is fallen, then can be straight
It connects and changes a new padlock, can easily buy padlock in general retail shop or supermarket, be weighed without finding the craftsman of bitting
It is new to match a large amount of new key, it can obviously reduce the loss on the time and in financial resources.
Detailed description of the invention
Fig. 1 is the overall structure diagram in the embodiment of the present invention 1；
Fig. 2 is the partial structure diagram in embodiment 1；
Fig. 3 is the partial structure diagram in the embodiment of the present invention 2；
Fig. 4 is the structural schematic diagram of slide in embodiment 2.
Appended drawing reference are as follows:
1 --- locking rod 1a --- locating part 2 --- lock sleeve
3 --- lock device 3a --- jack 3b --- lock pieces
3c --- shaft 3d --- turntable 3e --- slide
3f --- handrail 3g --- limited block 4 --- main door page
5 --- block piece 6 --- mounting hole 7 --- sliding rails
8 --- support sleeve.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further below with reference to embodiment and attached drawing
Bright, the content that embodiment refers to not is limitation of the invention.
It needs to illustrate in advance, in the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", the terms such as " connection ", " fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
It is logical.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood as the case may be
Meaning.
In addition, in the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.Term " on ", "lower", "front", "rear", "left", "right", "vertical", "horizontal",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
Embodiment 1
As shown in Figs. 1-2, the door lock comprising multiple lock pieces, including locking rod 1, for being mounted on 4 front face of main door page simultaneously
For lock sleeve 2, block piece 5 and lock device 3 for being arranged in outside main door page 4 that the left end of locking rod 1 is inserted into, locking rod
1 can axially move, and the right end of locking rod 1 is maintained on the front face of block piece 5 and can be locked up device 3 and stops, locking rod 1
The locating part 1a of lock sleeve 2 can be resisted to the left by being equipped with, and offered and multiple inserted in lock device 3 for what 1 right end of locking rod penetrated
One is provided in hole 3a, each jack 3a for limiting the lock piece 3b of the insertion of locking rod 1, lock piece 3b can be beaten with key
It opens and is taken out from jack 3a, the position of jack 3a is adjustable so as to make the right alignment of any one jack 3a Yu locking rod 1.
The door lock comprising multiple lock pieces that above embodiment provides, when lock sleeve 2 is inserted into the left end of locking rod 1,
Right end is exited from jack 3a, and locating part 1a can resist lock sleeve 2 to the left, and each lock piece 3b is made to lock corresponding insert respectively at this time
Hole 3a so as to make lock device 3 stop the right end of locking rod 1, and then limits locking rod 1 and is detached from from lock sleeve 2, locks door
Lock；When the lock piece 3b in any one jack 3a is opened and takes out, the position of jack 3a can be adjusted to and locking rod 1
Right alignment, locking rod 1 can be made toward moving right and being inserted into jack 3a, at this time so as to make the left end of locking rod 1 from lock
It is only exited in set 2, door lock is opened, so as to push main door page 4 open inside.
Above-mentioned door latch structure any one lock piece 3b may be selected to unlock when opening the door, in this way when some locking
When part 3b is damaged and can not open, other lock pieces 3b may be selected and unlock, can equally allow locking rod 1 to be moved to and exit
Lock sleeve 2, to will not influence the normally-open of door or close, it is seen then that unrelated between each lock piece 3b and influence,
One of lock piece 3b goes wrong and will not influence other people and normally unlock, and bring after lock piece 3b damage is effectively reduced
Trouble degree；Moreover, if using existing door lock after encountering damage and replacing, use need to be given with more keys again
Person, since the cost having a key made to fit the lock can reach five yuans or so, this largely to re-key not only waste time and essence
Power also will increase cost, and when use door lock of the invention, if lock piece 3b selects padlock common on the market, in general
Cost only has several yuans, while can also be attached to two or three genuine key, therefore multiple lock piece 3b are arranged in total in lock device 3
The genuine key amount possessed almost distributes to multiple users enough, if one of lock piece 3b damage is fallen, then can be direct
A new padlock is changed, can easily buy padlock in general retail shop or supermarket, the craftsman without finding bitting comes again
With a large amount of new key, the loss on the time and in financial resources can obviously reduce.
It is worth noting that the present invention may also extend into more application scenarios, such as the cabin of having a rest in mountain, it is exclusively used in
To the public place that the hunting crowd in a certain area uses, shooter is in general had once in a while and needs to enter use, if using
Existing door lock will cause great inconvenience encountering door lock damage, since the hunting crowd in this area may compare point
It dissipates, rechanges and need to convene owner to distribute new key or find and distribute new key one by one after locking bitting again, this is undoubtedly
Sizable resource can be wasted, and if using door lock provided by the invention, after a lock piece 3b is damaged wherein, other
People is not completely by less than any influence, needing to be distributed again with a large amount of new key again yet, to largely drop
Low trouble.
Preferably, block piece 5 can be secondary door leaf, and main door page 4 combines formation by left and right with secondary door leaf can be therefrom
Between the sliding door pushed open inside, and lock device 3 then may be provided on secondary door leaf.
On the basis of the above, mounting hole 6 is provided on secondary door leaf, the specific structure of lock device 3 includes being arranged in mounting hole 6
Shaft 3c and be coaxially fixedly installed in the turntable 3d, each jack 3a of shaft 3c and be arranged at intervals on the turntable 3d in a ring
On, by rotating turntable 3d, the right alignment of any one jack 3a Yu locking rod 1 can be made.
Preferably, block piece 5 is equipped with the support sleeve 8 passed through for locking rod 1, when the right end of locking rod 1 passes through branch
Support set 8 and when being inserted into jack 3a, locating part 1a can resist to the right support sleeve 8, can not only be to locking by the way that support sleeve 8 is arranged
Bar 1 plays the role of support, can stablize movement, may also function as the effect of limit, is prevented by stopping locating part 1a
Locking rod 1 is exceedingly past to move right.
More preferably, the position for each jack 3a being corresponded in lock device 3 is respectively equipped with corresponding identifying body, such as numbers
1,2,3 ..., it in this way can be convenient for users to being quickly found out one's own lock piece 3b before being unlocked.
More preferably, locating part 1a is the bar blocks that is fixedly connected on 1 side of locking rod and can be used as handle, is led to
It crosses and holds bar blocks, it can be convenient for users to mobile locking rod 1.
More preferably, also one layer of cushion can be set in the right side of locking rod 1, can effectively reduce locking rod in this way
1 right end and lock device 3 generates excessive abrasion after often colliding.
In addition, in the present embodiment, more preferably, lock piece 3b can be selected as padlock.
Embodiment 2
As shown in Figure 3-4, the present embodiment is only that the structure of lock device 3 is different from the difference of embodiment 1, specifically, this reality
It applies and first passes through the vertically-mounted sliding rail 7 for having both ends in closed on secondary door leaf in example, lock device 3 then includes being slidably connected to cunning
The slide 3e of rail 7, the upper and lower ends of slide 3e, which are respectively fixedly connected with one, can be locked up the limited block that 1 right end of bar stops
3g, each jack 3a are arranged at intervals on slide 3e along the glide direction of the slide 3e, by sliding slide 3e along sliding rail 7,
It can make the right alignment of any one jack 3a Yu locking rod 1, wherein a handrail 3f is additionally provided on the side wall of slide 3e, just
Handrail 3f is operated in user to be used to slide slide 3e.
In the above-described embodiments, limited block 3g is set by the upper and lower ends in slide 3e, can be kept away in moving sliding base 3e
It is mobile that the too high or too low right end so as to cause itself and locking rod 1 is detached to exempt from slide 3e, loses barrier effect, it certainly, can also
To be not provided with limited block 3g, and the length of sliding rail 7 and the length of slide 3e are limited, so that when sliding slide 3e, when slide 3e's
When the bottom end that bottom slides into sliding rail 7 can not extremely move still further below, the jack 3a of the top slide 3e can just be aligned locking rod 1,
When sliding into the top of sliding rail 7 at the top of slide 3e can not extremely move up again, the jack 3a of slide 3e bottom just can be right
Neat locking rod 1 so equally also can avoid slide 3e transition movement and lose the barrier effect to locking rod 1.
In addition, locking rod 1 in the present embodiment, lock sleeve 2, block piece 5, lock piece 3 and support sleeve 8 structure with reality
It is identical to apply example 1.
Above-described embodiment is the preferable implementation of the present invention, and in addition to this, the present invention can be realized with other way, In
Do not depart from the technical program design under the premise of it is any obviously replace it is within the scope of the present invention.
In order to allow those of ordinary skill in the art more easily to understand the improvements of the present invention compared with the existing technology, this
Some attached drawings of invention and description have been simplified, and for the sake of clarity, present specification is omitted some other members
Element, the element that those of ordinary skill in the art should be aware that these are omitted also may make up the contents of the present invention.
Claims (10)
1. including the door lock of multiple lock pieces, it is characterised in that: including locking rod (1), for being mounted on main door page (4) front face
Block piece (5) and lock upper and for the lock sleeve (2) of the left end of locking rod (1) insertion, for being arranged in main door page (4) outside
Only device (3), the locking rod (1) can axially move, and the right end of the locking rod (1) is maintained at the front face of block piece (5)
It goes up and device (3) can be locked up and stop, the locking rod (1) is equipped with the locating part (1a) that can resist lock sleeve (2) to the left, institute
It states and offers multiple jacks (3a) penetrated for locking rod (1) right end on lock device (3), be provided in each jack (3a)
One for limiting the lock piece (3b) of locking rod (1) insertion, the lock piece (3b) can be opened and from jack (3a) with key
Middle taking-up, the position of the jack (3a) the is adjustable right alignment so as to make any one jack (3a) and locking rod (1)；
When lock sleeve (2) are inserted into the left end of the locking rod (1), the locating part (1a) can resist lock sleeve (2) to the left, this
When so that each lock piece (3b) is lockked corresponding jack (3a) respectively, so as to make the lock device (3) stop locking rod (1) the right side
End, and then limit the locking rod (1) and be detached from from lock sleeve (2), lock door lock；
When the lock piece (3b) in any one jack (3a) is opened and takes out, the position of the jack (3a) can be adjusted to
The right alignment of locking rod (1) can make the locking rod (1) toward moving right and being inserted into the jack (3a), at this time so as to make
The left end of the locking rod (1) is exited from lock sleeve (2), opens door lock.
2. the door lock according to claim 1 comprising multiple lock pieces, it is characterised in that: the block piece (5) is secondary door
Page, the main door page (4) combine the sliding door that is formed and can be pushed open inside from centre, the lock device by left and right with secondary door leaf
(3) it is arranged on secondary door leaf.
3. the door lock according to claim 2 comprising multiple lock pieces, it is characterised in that: be provided with installation on the pair door leaf
Hole (6), the lock device (3) include the shaft (3c) being arranged in mounting hole (6) and are coaxially fixedly installed in shaft (3c)
Turntable (3d), each jack (3a) is arranged at intervals in a ring on the turntable (3d), by rotating the turntable (3d), can make
The right alignment of any one jack (3a) and locking rod (1).
4. the door lock according to claim 2 comprising multiple lock pieces, it is characterised in that: vertically-mounted on the pair door leaf
Having both ends is in the sliding rail (7) of closed, and the lock device (3) includes the slide (3e) for being slidably connected to sliding rail (7), the slide
The upper and lower ends of (3e), which are respectively fixedly connected with one, can be locked up the limited block (3g) that bar (1) right end stops, each jack
(3a) is arranged at intervals on slide (3e) along the glide direction of the slide (3e), by making the slide (3e) along sliding rail (7)
Sliding, can make the right alignment of any one jack (3a) and locking rod (1).
5. the door lock according to claim 4 comprising multiple lock pieces, it is characterised in that: on the side wall of the slide (3e)
It is additionally provided with a handrail (3f).
6. the door lock according to claim 1 comprising multiple lock pieces, it is characterised in that: the block piece (5) is equipped with
For the support sleeve (8) that locking rod (1) passes through, when the right end of the locking rod (1) passes through support sleeve (8) and is inserted into jack (3a)
When, the locating part (1a) can resist to the right support sleeve (8).
7. the door lock according to claim 1 comprising multiple lock pieces, it is characterised in that: corresponding on the lock device (3)
The position of each jack (3a) is respectively equipped with corresponding identifying body.
8. the door lock according to claim 1 comprising multiple lock pieces, it is characterised in that: the locating part (1a) is to fix
It is connected on locking rod (1) side and can be used as the bar blocks of handle.
9. the door lock according to claim 1 comprising multiple lock pieces, it is characterised in that: the right end of the locking rod (1)
Face is equipped with one layer of cushion.
10. the door lock according to claim 1 comprising multiple lock pieces, it is characterised in that: the lock piece (3b) is to hang
Lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910856092.6A CN110454011B (en) | 2019-09-11 | 2019-09-11 | Door lock comprising a plurality of locking members |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910856092.6A CN110454011B (en) | 2019-09-11 | 2019-09-11 | Door lock comprising a plurality of locking members |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110454011A true CN110454011A (en) | 2019-11-15 |
| CN110454011B CN110454011B (en) | 2021-02-23 |
Family
ID=68491575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910856092.6A Active CN110454011B (en) | 2019-09-11 | 2019-09-11 | Door lock comprising a plurality of locking members |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110454011B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3906760A (en) * | 1974-07-25 | 1975-09-23 | Jr Bill T Parker | Multiple access lock |
| US3988031A (en) * | 1976-03-22 | 1976-10-26 | Meyer Gordon R | Multiple padlock device |
| US4697443A (en) * | 1987-02-03 | 1987-10-06 | Hillin Wilbert L | Multi-lock security device |
| US4997219A (en) * | 1990-07-13 | 1991-03-05 | Carter Walter H | Multi-lock latch |
| US5174138A (en) * | 1991-08-02 | 1992-12-29 | Alice Shen | Steering wheel lock |
| GB2288634A (en) * | 1994-04-20 | 1995-10-25 | Expanded Metal | Sliding-bolt locking mechanism |
| US5868015A (en) * | 1997-08-08 | 1999-02-09 | Eaker; David Andrew | Multiple access locking device |
| US6857299B2 (en) * | 2002-07-16 | 2005-02-22 | Mcneil Randy | Multiple padlock latch |
| US7690229B2 (en) * | 2006-04-14 | 2010-04-06 | Winston Lee McKee | Station for alternate locks |
| CN203584073U (en) * | 2013-11-26 | 2014-05-07 | 张培然 | Bolt device special for classroom door |
| CN109555432A (en) * | 2017-09-26 | 2019-04-02 | 都江堰市凯鑫自动门技术有限公司 | A kind of hypervelocity locking security door |
| US10273719B1 (en) * | 2016-10-19 | 2019-04-30 | Nationwide Industries, hc. | Gate latch assembly |
-
2019
- 2019-09-11 CN CN201910856092.6A patent/CN110454011B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3906760A (en) * | 1974-07-25 | 1975-09-23 | Jr Bill T Parker | Multiple access lock |
| US3988031A (en) * | 1976-03-22 | 1976-10-26 | Meyer Gordon R | Multiple padlock device |
| US4697443A (en) * | 1987-02-03 | 1987-10-06 | Hillin Wilbert L | Multi-lock security device |
| US4997219A (en) * | 1990-07-13 | 1991-03-05 | Carter Walter H | Multi-lock latch |
| US5174138A (en) * | 1991-08-02 | 1992-12-29 | Alice Shen | Steering wheel lock |
| GB2288634A (en) * | 1994-04-20 | 1995-10-25 | Expanded Metal | Sliding-bolt locking mechanism |
| US5868015A (en) * | 1997-08-08 | 1999-02-09 | Eaker; David Andrew | Multiple access locking device |
| US6857299B2 (en) * | 2002-07-16 | 2005-02-22 | Mcneil Randy | Multiple padlock latch |
| US7690229B2 (en) * | 2006-04-14 | 2010-04-06 | Winston Lee McKee | Station for alternate locks |
| CN203584073U (en) * | 2013-11-26 | 2014-05-07 | 张培然 | Bolt device special for classroom door |
| US10273719B1 (en) * | 2016-10-19 | 2019-04-30 | Nationwide Industries, hc. | Gate latch assembly |
| CN109555432A (en) * | 2017-09-26 | 2019-04-02 | 都江堰市凯鑫自动门技术有限公司 | A kind of hypervelocity locking security door |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110454011B (en) | 2021-02-23 |
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