EP2811087A1 - Serrure à paillettes inférieures remplaçables - Google Patents

Serrure à paillettes inférieures remplaçables Download PDF

Info

Publication number: EP2811087A1
Authority: EP; European Patent Office
Prior art keywords: holes; pin; lock; core; hole
Prior art date: 2013-06-07
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

Application number

EP13171138.4A

Other languages

German (de)

English (en)

Other versions

EP2811087B1 (fr

Inventor

Tien-Kao Liu

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Federal Lock Co Ltd

Original Assignee

Federal Lock Co Ltd

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2013-06-07

Filing date

2013-06-07

Publication date

2014-12-10

2013-06-07 Application filed by Federal Lock Co Ltd filed Critical Federal Lock Co Ltd

2013-06-07 Priority to EP13171138.4A priority Critical patent/EP2811087B1/fr

2014-12-10 Publication of EP2811087A1 publication Critical patent/EP2811087A1/fr

2017-03-01 Application granted granted Critical

2017-03-01 Publication of EP2811087B1 publication Critical patent/EP2811087B1/fr

Status Not-in-force legal-status Critical Current

2033-06-07 Anticipated expiration legal-status Critical

Links

230000005540 biological transmission Effects 0.000 claims description 7
230000004224 protection Effects 0.000 description 2

Images

Classifications

- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
- E05B27/005—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with changeable combinations
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
- E05B9/08—Fastening locks or fasteners or parts thereof, e.g. the casings of latch-bolt locks or cylinder locks to the wing
- E05B9/084—Fastening of lock cylinders, plugs or cores
- E05B9/086—Fastening of rotors, plugs or cores to an outer stator
- E05B9/088—Means for preventing loss of tumblers during mounting or removal

Definitions

the present invention relates to a lock, and more particularly, to a lock with replaceable bottom pins so as to obtain more sets of combinations without replacing the whole lock.
the conventional way to use a lock is prepare suitable number of keys to families so as to unlock the lock, however, the lock is not safe when one of the keys is lost and most of the users will change a new lock for safety reason.
the replacement of the locks sometimes cost a lot of money and is not convenient for the users.
Figs. 1 to 3 show a conventional lock which generally comprises a housing 10 and a core 20, the housing 10 has multiple top pin holes 101 and the core has multiple bottom pin holes 201 which are in communication with the top pin holes 101. Multiple pin units 30 are installed in the top and bottom pin holes 101, 201.
a cover 102 is mounted to the top pin holes 101 and the housing 10 has multiple grooves 103 so as to be cooperated with the cover 102.
the core 20 has a key hole 202 in one end thereof and the other end of the core 20 has a latch 203.
the key is inserted into the core 20 via the key hole 202 and the notches of the key accommodate the pin units 30 to align the outer surface of the core 20 with the ends of the top and bottom pin holes 101, 201, such that the latch 203 is operated by rotating the key.
the pins can be replaced, as shown in Fig. 2 , by first removing the cover 102 from the grooves 103 and the pin units 30 are removed from the top and bottom pin holes 101, 201.
the suitable pin units 30 are then installed to the top and bottom pin holes 101, 201 according the arrangement of the notches of a new key.
the cover 102 is again engaged with the grooves 103 to obtain a new lock.
the pin units 30 are removed from the core 20 only when the top and bottom pin holes 101, 201 are in alignment with each other. Once the diameters of the top and bottom pin holes 101, 201 are different, or the top and bottom pin holes 101, 201 are not in alignment to each other, the pin units 30 are stocked in the lock and the replacement cannot be successfully made. The users are difficult to check whether or not the top and bottom pin holes 101, 201 are in alignment to each other from the top pin holes 101. The new pin units 30 are also not easily to be properly installed into the bottom pin holes 201 so that it is difficult for the users to replace the pins.
the cover 102 is difficult to be removed from the grooves 103, even if only one set of the pin unit 30 is to be replaced, the cover 102 is stilled required to be removed and other pin units 30 may drop out from the lock to further increase the time required to replace the pin units 30.
the present invention intends to provide a lock with replaceable bottom pins, and the replacement is easy.
the present invention relates to a lock and comprises a housing having a space defined axially therein and multiple top pin holes are defined radially through the housing.
the housing has multiple through holes which are located corresponding to the space.
a core is located in the space and has multiple bottom pin holes defied radially, the bottom pin holes communicate with the top pin holes respectively.
a key hole is defined in the first end of the core and a connection member is connected to the second end of the core. The key hole communicates with the bottom pin holes.
the housing has a connection portion located corresponding to the connection member.
the through holes are located alternatively to the bottom pin holes. When the bottom pin holes are rotated to the through holes and the core moves axially, the connection member is connected to the connection portion, and the through holes communicate with the bottom pin holes.
connection member has a protrusion located corresponding to the connection portion.
the bottom pin units are received in the bottom pin holes via the through holes.
the housing has a groove and the core has a positioning unit on the outside thereof, the positioning unit is selectively engaged with the groove.
the positioning unit comprises a block, a resilient piece and a positioning piece.
the block is connected to the outside of the core.
a room is defined between the core and the block.
the resilient piece and the positioning piece are located in the room.
the block has an elongate hole.
the resilient piece has a first end contacting the outside of the core and a second end of the resilient piece is connected to the positioning piece.
the positioning piece extends through the elongate hole and is selectively engaged with the groove.
the housing has a stop connected thereto and the stop has at least one aperture which is located corresponding to the top pin hole.
Multiple top pin units are located in the top pin holes.
One of the top pin units comprises a top pin and a resilient member.
the top pin has a driving member on a top thereof and the driving member extends through the at least one aperture.
the at least one aperture has an inclined face which is gradually and outwardly narrowed.
a transmission unit is connected to the second end of the core.
the housing has at least one side pin hole defined therethrough and the at least one side pin hole is located between the top pin hole and the through hole.
the at least one side pin hole receives a side pin unit.
the side pin unit comprises a side pin and a spring member.
the housing has a filling hole which is located diametrically in opposite to the at least one side pin hole.
the side pin unit is inserted into the at least one side pin hole via the filling hole, and the filling hole is covered by a cover.
the primary object of the present invention is to provide a lock which is easily to replace the bottom pin units so as to improve the shortcomings of the convention locks.
the core When replacing the key, the core is rotated to align the bottom pin holes with the through holes, the housing and the core are released by releasing the positioning unit.
the protrusion on the E-shaped clip is engaged with the recess so as to drive the core axially and to change the relationship between the bottom pin holes and the through holes from the alternative arrangement to the alignment arrangement.
the bottom pin units are able to be replaced via the through holes.
the top pin with the driving member is compressed to push the stop so as to replace the top pin units from the top pin holes.
the side pin units and the position unit when the lock is hit or picked from exterior, the side pin units are stocked in the bottom pin holes so that the core cannot be rotated or returned, and the positioning unit stops tool from entering the gap of the housing to provide two protections against unauthorized actions to the lock.
the lock of the present invention comprises a housing 1 having a space 11 defined axially therein and multiple top pin holes 12 are defined radially through the housing 1.
the housing 1 has multiple through holes 13 which are located corresponding to the space 11.
the housing 1 further has a groove 14 and a stop 15 is connected to the housing 1.
the stop 15 has apertures 151 which are located corresponding to the top pin holes 12 and each of the apertures 151 has an inclined face 152 is gradually and outwardly narrowed.
Multiple top pin units 16 are located in the top pin holes 12 and each top pin unit 16 has a top pin 161 and a resilient member 162.
One of the top pin units 16' comprises a top pin 161' and a resilient member 162', the top pin 161' has a driving member 1611 on the top thereof and the driving member 1611 extends through the aperture 151.
a core 2 is located in the space 11 and has multiple bottom pin holes 21 defined radially, the bottom pin holes 21 communicate with the top pin holes 12 respectively.
the bottom pin units 22 are received in the bottom pin holes 21.
the diameter of the through holes 13 allows the bottom pin units 22 to be inserted into the bottom pin holes 21.
a key hole 23 is defined in the first end of the core 2 and a connection member 24 and a transmission unit 25 are connected to the second end of the core 2 as shown in Fig. 6 .
the connection member 24 has a protrusion 241 extending therefrom.
the key hole 23 communicates with the bottom pin holes 21.
the housing 1 has a connection portion 17 located corresponding to the connection member 24.
the through holes 13 are located alternatively to the bottom pin holes 21.
connection member 24 is an E-shaped clip and the connection portion 17 is a recess which is located corresponding the protrusion 241.
a positioning unit 3 comprises a block 31, a resilient piece 32 and a positioning piece 33.
the block 31 is connected to the outside of the core 2, and a room is defined between the core 2 and the block 31.
the resilient piece 32 and the positioning piece 33 are located in the room.
the block 31 has an elongate hole 311.
the resilient piece 32 has its first end contacting the outside of the core 2 and the second end of the resilient piece 32 is connected to the positioning piece 33.
the positioning piece 33 extends through the elongate hole 311 and is selectively engaged with the groove 14.
the first key 4 is inserted into the key hole 23 and rotated to unlock the lock
the core 2 is driven by the first key 4 and the transmission unit 25 and the bottom pin holes 21 are co-rotated with the core 2 to let the lock be unlocked.
the bottom pin holes 21 are rotated to the through holes 13 are located alternatively to each other so that the bottom pin units 22 are located within the bottom pin holes 21, so that the core 2 is rotatable 360 degrees and the bottom pin units 22 do not drop from the bottom pin holes and the through holes 13.
the positioning unit 3 is co-rotated and aligned with the top pin holes 12, the positioning piece 33 is pushed by the top pin unit 16' and the resilient piece 32 is compressed.
the positioning unit 3 is merged into the space 11 of the housing 1, the protrusion 241 of the E-shaped clip is alternative to the recess so that the connection member 24 cannot be engaged with the connection portion 17, so that the core 2 is not moved axially, and the positioning unit 3 contacts the top pin unit 16' to ensure that the core 2 can be rotated 360 degrees to unlock the lock.
the number of the through holes 13 is decided by the required number of sets of the top and bottom pin holes 12, 21.
the number of the bottom pin units 22 can be replaced with the same number of sets or different number sets.
the core 2 is rotated 90 degrees, the connection member 24 is moved to the position corresponding to the connection portion 17.
the user uses a tool with a tip (not shown) to push the positioning unit 3 to compress the resilient piece 32 and the positioning piece 33 is merged into the elongate hole 311 so that the core 2 is moved axially to let the connection member 24 be engaged with the connection portion 17.
the core 2 is moved toward the key hole 23 and the protrusion 241 of the E-shaped clip is engaged with the recess, and the positioning unit 3 is moved axially into the space 11.
the through holes 13 are in communication with the bottom pin holes 21, so that the bottom pin units 22 can be pulled out from the bottom pin holes 21 via the through holes 13, and the first key 4 is removed.
the removal of the bottom pin units 22 and the first key 4 can be done without restriction of sequence.
the user then inserts the second key 5 into the key hole 23 and the proper bottom pin units 22 that are matched with the notches of the second key 5 are installed into the bottom pin holes 21 and the through holes 13.
the core 2 is then moved away from the key hole 23 to return the connection member 24 and the positioning unit 3.
the through holes 13 and the bottom pin holes 21 are located alternative to each other.
the bottom pin units 22 that is matched with the second key 5 cannot remove from the through holes 13 and the bottom pin holes 21.
the second key 5 is used to rotate the core 2 to a position where the key hole 23 is in alignment with the top pin holes 12 so that the second key 5 is the correct key for the lock.
the steps are the same as mentioned above, either the first or the second key 4, 5 is used, the through holes 13 are first rotated to be in alignment with the bottom pin holes 21 to remove the bottom pin units 22 from the lock.
the third key 6 is inserted into the key hole 23 and the bottom pin units 22 that is matched with the third key 6 are installed to the through holes 13 and the bottom pin holes 21.
the original five sets of the bottom pin units 22 that are installed in the bottom pin holes 21 are replaced with six sets of the bottom pin units 22 to match the third key 6.
the connection member 24 and the positioning unit 3 the through holes 13 and the bottom pin holes 21 are located alternative to each other.
the third key 6 is rotated to rotate the core 2 back to the position where the key hole 23 is located corresponding to the top pin holes 12.
the lock has five sets of the top pin units 16, in order to let the third key 6 to unlock the lock, the user uses a tool with a tip (not shown) to push the top pin unit 16' which has the driving member 1611 to compress the resilient member 162' and the driving member 1611 is merged into the aperture 151 so that the stop 15 is removed, and the sixth top pin unit 16 is installed into the top pin hole 12 and located corresponding to the sixth set of the bottom pin unit 22.
the stop 15 is again to cover the top pin holes 12, the third key 6 is then able to lock and unlock the lock.
the inclined face 152 of the aperture 151 helps the stop 15 to be back to its initial position.
the transmission unit 25 is integrally manufactured in this embodiment, nevertheless, the transmission unit 25 can also be secured by using a bolt and a nut, so that the transmission unit 25 can be used in different locks.
the housing 1 may have at least one side pin hole 18 defined therethrough and the at least one side pin hole 18 is located between the top pin hole 12 and the through hole 13.
the at least one side pin hole 18 receives a side pin unit 19.
the side pin unit 19 comprises a side pin 191 and a spring member 192.
the housing 1 has a filling hole 181 which is located diametrically in opposite to the at least one side pin hole 18.
the side pin unit 19 is inserted into the at least one side pin hole 18 via the filling hole 181.
the filling hole 181 is covered by a cover 182.
the core 2 may be rotated, but the bottom pin units 22 cannot be pushed as using a correct key. Therefore, when the bottom pin units 22 are co-rotated and face the at least one side pin hole 18, there is a distance between the bottom pin units 22 and the at least one side pin hole 18, the side pin 191 of the at least one side pin hole 18 is not biased by the spring member 192 and engaged with the bottom pin hole 21 so that the core 2 is not rotated by using the universal key or L-shaped wrench.
the bottom pin units of the lock of the present invention can be easily replaced.
the user simply rotates the core to align the bottom pin holes with the through holes, the positioning unit is released by using a tool with a tip so as to release the housing and the core.
the protrusion on the E-shaped clip is engaged with the recess so as to drive the core axially and to align the bottom pin holes with the through holes again.
the through holes are in communication with the bottom pin holes.
the bottom pin units are able to be replaced via the through holes so that a new key can be used to lock and unlock the lock.
the same number or different number of sets of the bottom pin units can be replaced according to needs.
the top pin with the driving member is compressed to push the stop so as to replace the top pin units from the top pin holes.
the inclined face of the aperture helps the stop to be back to its initial position. By this way, the lock can have different combinations of locking features.
the side pin units and the position unit when the lock is hit or picked from exterior, the side pin units are stocked in the bottom pin holes and the positioning unit stops tool from entering the gap of the housing so that the core cannot be rotated, and therefore provides two protections against unauthorized actions to the lock.

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Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Lock And Its Accessories (AREA)

EP13171138.4A 2013-06-07 2013-06-07 Serrure à paillettes inférieures remplaçables Not-in-force EP2811087B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
EP13171138.4A EP2811087B1 (fr)	2013-06-07	2013-06-07	Serrure à paillettes inférieures remplaçables

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP13171138.4A EP2811087B1 (fr)	2013-06-07	2013-06-07	Serrure à paillettes inférieures remplaçables

Publications (2)

Publication Number	Publication Date
EP2811087A1 true EP2811087A1 (fr)	2014-12-10
EP2811087B1 EP2811087B1 (fr)	2017-03-01

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ID=48613455

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP13171138.4A Not-in-force EP2811087B1 (fr)	2013-06-07	2013-06-07	Serrure à paillettes inférieures remplaçables

Country Status (1)

Country	Link
EP (1)	EP2811087B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ITUB20160673A1 (it) *	2016-02-11	2017-08-11	Iseo Serrature Spa	Serratura a cilindro modulare

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6810703B1 (en) *	2003-06-20	2004-11-02	Taiwan Fu Hsing Industrial Co., Ltd.	Casing structure for a cotter-pin type lock core
US7121127B1 (en) *	2005-12-16	2006-10-17	Eversafety Precision Industry (Tianjin) Co., Ltd.	Lock set with a quick changeability
EP2500493A1 (fr) *	2011-03-18	2012-09-19	Tien-Kao Liu	Structure de noyau de serrure haute sécurité

2013
- 2013-06-07 EP EP13171138.4A patent/EP2811087B1/fr not_active Not-in-force

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6810703B1 (en) *	2003-06-20	2004-11-02	Taiwan Fu Hsing Industrial Co., Ltd.	Casing structure for a cotter-pin type lock core
US7121127B1 (en) *	2005-12-16	2006-10-17	Eversafety Precision Industry (Tianjin) Co., Ltd.	Lock set with a quick changeability
EP2500493A1 (fr) *	2011-03-18	2012-09-19	Tien-Kao Liu	Structure de noyau de serrure haute sécurité

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ITUB20160673A1 (it) *	2016-02-11	2017-08-11	Iseo Serrature Spa	Serratura a cilindro modulare
WO2017137341A1 (fr) *	2016-02-11	2017-08-17	Iseo Serrature S.P.A.	Serrure à cylindre modulaire

Also Published As

Publication number	Publication date
EP2811087B1 (fr)	2017-03-01

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