EP3115530B1 - Lock for an interior door - Google Patents

Lock for an interior door Download PDF

Info

Publication number
EP3115530B1
EP3115530B1 EP16176955.9A EP16176955A EP3115530B1 EP 3115530 B1 EP3115530 B1 EP 3115530B1 EP 16176955 A EP16176955 A EP 16176955A EP 3115530 B1 EP3115530 B1 EP 3115530B1
Authority
EP
European Patent Office
Prior art keywords
lock
latch
lever
arm
hub
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.)
Not-in-force
Application number
EP16176955.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3115530A1 (en
Inventor
Özgür BASKAYA
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.)
KALE Kilit ve Kalip Sanayi AS
Original Assignee
KALE Kilit ve Kalip Sanayi AS
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.)
Filing date
Publication date
Application filed by KALE Kilit ve Kalip Sanayi AS filed Critical KALE Kilit ve Kalip Sanayi AS
Publication of EP3115530A1 publication Critical patent/EP3115530A1/en
Application granted granted Critical
Publication of EP3115530B1 publication Critical patent/EP3115530B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • 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
    • E05C1/08—Fastening devices with bolts moving rectilinearly with latching action
    • E05C1/12—Fastening devices with bolts moving rectilinearly with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch
    • E05C1/16—Fastening devices with bolts moving rectilinearly with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the handle or member moving essentially in a plane substantially parallel to the wing or frame
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B59/00—Locks with latches separate from the lock-bolts or with a plurality of latches or lock-bolts
    • 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
    • E05B63/04—Locks or fastenings with special structural characteristics for alternative use on the right-hand or left-hand side of wings
    • E05B63/044—Locks or fastenings with special structural characteristics for alternative use on the right-hand or left-hand side of wings with reversible bolt or bolt head
    • 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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/0013—Followers; Bearings therefor
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B53/00—Operation or control of locks by mechanical transmissions, e.g. from a distance
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B55/00—Locks in which a sliding latch is used also as a locking bolt

Definitions

  • This invention relates to a lock for an interior room of houses, hotels, apartments and other type buildings, and more particularly relates to a lock which allows retracting the latch bolt easily when it is minimized as a whole.
  • a mortise (mortice) lock for interior rooms of houses, hotels, apartments and other type buildings generally includes a latch operated by a handle from either side of a door, and a bolt operated by a key or a cylinder lock. Locks are set in a recess at an edge of a door and which includes latches or bolts which can be actuated (i.e., thrown or retracted) into and out of locking engagement with recesses formed in a door post or frame.
  • a latch also referred as a latch bolt, of mortise lock for inner rooms are placed at least partially higher than the hub of the lock.
  • the movement direction of the hub and latch is oriented to be same.
  • a simple piece of material such as a lever can be used to retract the bolt by the movement of the hub.
  • Similar types of locks used in interior rooms are preferred not only provide the easy and quiet operation but to be in simple structure.
  • Latch bolts and locking bolts used in locks have been provided in different sizes which have evolved as relative industry standards. More particularly, position of the handle and cylinder lock assumes one of several relatively standard dimensions. When it is desired similar type lock to be in a smaller size, the latch retracted by turning of the handle is needed to be used with complex parts thereof. Center length of the handle of the lock is preferred to be in a position appropriate with the standardized lock measures established in time. When the center length of the handle of the lock is kept appropriate with respect to the standardized measure in a smaller size lock, latch of the lock has to be positioned lower than hub and closer to the bolt at the same time. In this case, the direction of retraction of the latch has to be oriented reverse according to the direction of the hub of the lock.
  • GB395933 (A ) discloses a latch casing and an operating spindle which are independently fixed to a door and the spindle passing through an elongated aperture. Said spindle provided with a follower which can move in relation to the latch bolt operating mechanism without disturbing the operation of the latch bolt. As the follower is turned, a lever of the latch withdraws the bolt.
  • GB634963 (A ) discloses a latch having a sliding latch bolt which can be retracted by anticlockwise rotation of a single-horned follower through a nose. The nose of the horn presses upwardly against an arm of the crank lever causing the nose of the arm to press rearwardly against an upper of lugs thus drawing back the latch bolt.
  • PT103775 (A ) discloses a lock having. In order to open the closed door and support element is driven by the rotation of an opening transmission drum against the action of a lever and by means of a swing arm which rotates at a central point of said lever around the shaft.
  • the document discloses that a bolt being operated by a hub by means of an interposed lever having two arms.
  • GB682290 (A ) discloses a locks for use upon the doors or doorways of automotive vehicles.
  • the document discloses a door latch having a pair of parallel bolts in a communication with a lever which is arranged to be rotatable by the operation of the handle.
  • the distance between hub of the lock and rotational axis of the cylinder lock is standardized in time in a particular country and in a larger geographical area as well. Position of the parts of the lock is needed to be in a form to meet said standardized lock measures. Recently, for saving time and cost, it is desired to use smaller sized mortise lock by decreasing the area of the lock especially in fabricated wooden doors.
  • the general aim of the present invention is to provide an improved lock of the aforedescribed general type which satisfies the requirements hereinbefore set forth.
  • Primary object of the invention is to provide a lock which is in minimized by using a lever for easily retracting the latch and keeping standardized lock measures constant at the same time.
  • Another object of the invention is to provide a lock which reduces the force to operate for retracting the latch.
  • Another object of the present invention is to provide a lock which is easy to handle by user where the latch can be retracted smoothly, and does not expose to any additional resistance in the system due to optimum force transmission.
  • Another object of the present invention is to provide a lock which allows using pieces to be in a smaller size by way of optimum force transmission of the lock.
  • Another object of the present invention is to provide a lock which can be designed in a simple manner without using complex pieces that leads saving labor cost of the lock.
  • Another object of the present invention is to provide a lock in which position of the latch lock can be easily replaced.
  • Another object of the present invention is to provide a lock having a latch mechanism includes an improved mounting arrangement for left - or right-hand together with a simplified latch retractor.
  • the present invention relates to a lock for use in interior room of schools or apartment like structure.
  • Said lock for interior door comprises a bolt and bolt tail, a hub being rotatable by operation of a handle, a latch and a latch tail engageable with a door frame, being positioned between a horizontal axis of the hub and the bolt.
  • said lock further comprises said lock further comprises a lever being pivotable around a lever hinge for retracting the latch having a first arm connected with the latch, and a second arm being moveable by a hub tab when the handle is operated.
  • the length of the second arm is equal or longer than length of the first arm which leads the retraction of the latch to be easily.
  • the second arm of the lever comprises a convex edge which allows increasing the distance between a perpendicular axis of a point where the hub tab and the second arm being in touch, and the lever hinge, when the latch is retracted.
  • said lock (10) for interior doors comprises an extendable/retractable bolt (16) and bolt tail (17) which extends or retracts in response to rotation of a key (18); a hub (20) being rotatable by operation of a handle; a latch (13) and a latch tail (25) engageable with a door frame, being positioned between a horizontal axis of the hub (Yi) and the bolt (16).
  • Said lock further comprises a lever (15) being pivotable around a lever hinge (24) for retracting the latch (13) having a first arm (50) connected with the latch (13), and a second arm (60) being moveable by a hub tab (32) when the handle is operated.
  • length of the second arm (Z2) is equal or longer than length of the first arm (Zi).
  • latch bolt hereinafter referred to as a latch
  • latch bolt of the lock used in the interior doors are placed higher than the hub and closer to the upper portion of the lock which is retracted inside of a main body (19) by movement of the handle. It suffers that when it is desired to produce a smaller sized lock for interior doors at the same keeping standardized measure ratio of the lock.
  • said latch is positioned between a horizontal axis of the hub (Yi) and the bolt (16). In other words, for remaining handle axis distance (E) in a standard ratio, the latch has to be placed in lower position than the hub in minimized locks.
  • the latch of the lock (10) is positioned being close to the bolt causing to use complex part for retracting the latch into the main body (19) of the lock.
  • the force applied to the arm which is shorter and latch pulling arm is longer relative to each other, then it is needed to apply more force than the force of the lever exposing to the latch. In this case, both lever and hinge of the lever is exposed to excessive load
  • one of the aims of the present invention is to provide a lock having a latch-pulling lever which retracts the latch easily and in a simply manner preventing need of complex parts thereof when the size of the lock is minimized.
  • the lever (15) using as a latch-puller is preferably used as one piece.
  • the lever (15) moves with the latch (13) and latch tail (25) in a synchronized manner and operation of the handle cause to pivotal movement of the hub then which retracts the latch inside the main body (19).
  • the lever (15) for retracting the latch (13) is shaped in a form of "V" having two arms, a first arm (50) and the second arm (60), in a different length.
  • length of the second arm (Z2) of the lever (15) is equal or longer than length of the first arm (Zi) of the lever (15).
  • the first arm (50) of the lever (15) comprises a convex edge (80) which allows increasing the distance (X1) between a perpendicular axis of a point wherein the hub tab (32) and second arm (60) being in touch and the lever hinge (24), when the latch (13) is retracted.
  • Said hub tab (32) is guided in the hub slot (40) by a corresponding pin. It is provided a lock having a latch which can be relatively easily retracted, when the arm forming a moment arm is longer, as a balanced load distributions obtained.
  • a resultant force is the single force and associated torque obtained by combining a system of forces and torques acting on a rigid body.
  • a resulting force RF
  • said resulting force is shown with its component forces such as tangential force (TF) and drag force (D).
  • Said tangential force (TF) is a vector which serves to rotate the lever (15) around the axis of the hinge (24), and the drag force is a vector having a direction to the center of the hinge (24) and has no contribution the rotation of the lever.
  • the latch In figure 10a , the latch is in an extended position and in figure 10b ; the latch is in a retracted position, where the scalar quantities are shown.
  • the drag force of radial force decreases and tangential force increases which in turn helps to obtain an easy retractable latch.
  • the distance (L1) between latch housing (23) and center of the hinge center gradually decreases, and the distance (L2) is being shorter as shown in figure 10b , which helps to optimum force transmission thanks to different height of arm of the lever (15).
  • the force mostly apply in a right angle which prevents to create a scalar quantities that makes a resistance to the system.
  • Said latch housing (23) is in a communication with the first arm (50) of the lever (15).
  • Another advantage of the according to the invention is to provide a lock decreasing the unnecessary resistance as seen in figure 10a and 10b , which helps to not to expose excess load to latch pin for guiding the latch (15) in a latch slot (71) on a cover. During the operation of the lock does not contact friction to a level sufficient to prevent that does not touch the side surface of the slot and the latch. The latch pin (70) is guided in a latch slot (71) formed on rear cover.
  • the lever (15) is attached with the latch tail (12).
  • the lever (15) is under pressure of hub spring (21) placed higher than the hub, and is able to be moved by the hub.
  • the plate member is under pressure of a set spring (22) keeping the lock in a locked state matching with corresponding teeth.
  • Said set spring acts as a plate spring and the other end of the spring contacting with the spring helps to extend latch keeping the door in a closed state. Therefore, only a spring is provided instead of two springs which help to cut the costs.
  • the set spring (22) abuts and presses the lever (15).
  • the locking mechanism can be used as a cylindrical or double bit key lock.
  • lock suitable for WC can also be used with the hub suitable for WC type locks.
  • the lever (15) according to the present invention can vary in structure and design. Basically, the lever rotatable around an axis of the hinge (24) can be affected by the rotation of the hub such that height differences of the arm of the lever helps to retract or extend the bolt easily.
  • the set spring biasing to the lever is also used for a plate (30) placed under the lever (15).
  • Another aspect of the present invention is to provide a lock which can be mounted for different type and sized doors.
  • Essential feature of this advantage is that said latch can be rotated 180° and mounted thereof easily.
  • a latch connection tab (28) having a guiding hole (29) for a connection means (27).
  • Said connection means (27) preferably used as a screw, and said guiding hole (29) has a through hole which serves the screw secures itself by gripping the plastic in the hole.
  • connection means (27) can be reached from circular formed connection means hole (72), as seen in figure 5b and 4 , for disengaging connection between latch and latch tail.
  • connection means (27) can be reached from circular formed connection means hole (72), as seen in figure 5b and 4 , for disengaging connection between latch and latch tail.
  • said latch (13) is rotated 180°, and then latch connection tab (28) is inserted completely within the housing on latch tail (25).
  • hole formed on latch tail (25) and the guiding hole (29) of the latch connection tab (28) is aligned and connection means is passed through them.
  • Figure 6a and 6c show a position of the latch where it is fully retracted.
  • the connecting element (27) in the upper setting of top cover (26) conection means hole (72) is only partially seen through.
  • the connection means (27) spontaneously loosen, even if the top cover (26) remains at the location for that obstacle.
  • Figures 6b and 6d shows the latch (13) in preparation before the position change where it is pressed so far as it can go with the finger and connection means (27) on the top cover (26) about the fastener connection means hole (72) a precise alignment is achieved.
  • a screwdriver or similar tool with a suitable connection means (27) are removed and the position change of the latch is performed.
  • Another advantage obtained by the present invention is provide a lock having the puller screw used for screwing the door handle rosettes enter from one end is able to be possible in the design of the screw hole that allows the exit from the other end .
  • This feature is not founded in the majority of such small sized lock, according to the invention it can be used in different ways, allowing the door handle to door handle badges/rosettes on the doors makes it advantageous compared to others.
  • the pin hole slots can be in the form of a circular or any polygonal shape.
  • connection means (27) and the related upper cover connection means hole (72) may vary and can be more than one.
  • the lock can be used for doors of the bathrooms and toilets; in this case, there could a second hub with cylinder lock which is used to extend/retract the bolt.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Gates (AREA)
EP16176955.9A 2015-07-07 2016-06-29 Lock for an interior door Not-in-force EP3115530B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TR201508463 2015-07-07

Publications (2)

Publication Number Publication Date
EP3115530A1 EP3115530A1 (en) 2017-01-11
EP3115530B1 true EP3115530B1 (en) 2018-05-16

Family

ID=56296611

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16176955.9A Not-in-force EP3115530B1 (en) 2015-07-07 2016-06-29 Lock for an interior door

Country Status (23)

Country Link
EP (1) EP3115530B1 (bg)
CN (1) CN206190045U (bg)
BG (1) BG2640U1 (bg)
CZ (1) CZ29905U1 (bg)
DE (1) DE202016103636U1 (bg)
DK (1) DK201600079U3 (bg)
EE (1) EE01434U1 (bg)
ES (1) ES1162509Y (bg)
FI (1) FI11456U1 (bg)
FR (1) FR3038641B3 (bg)
GR (1) GR2003079Y (bg)
HU (1) HU4886U (bg)
IE (1) IES86835B2 (bg)
PL (1) PL125299U1 (bg)
PT (1) PT11327U (bg)
RO (1) RO201600026U1 (bg)
RS (1) RS1499U1 (bg)
RU (1) RU170462U1 (bg)
SI (1) SI25038A2 (bg)
SK (1) SK8397Y1 (bg)
TR (1) TR201810719T4 (bg)
TW (1) TWM543277U (bg)
UA (1) UA113935U (bg)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109779395B (zh) * 2019-03-15 2024-05-10 株洲大众机械制造有限责任公司 一种双向锁具结构

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE309519C (bg) *
GB395963A (en) * 1933-01-25 1933-07-27 Joseph Kaye & Sons Ltd Improvements in and relating to locks and latches
GB634963A (en) * 1948-01-10 1950-03-29 Parkes Josiah & Sons Ltd Improvements in latch-operating mechanism
GB682290A (en) * 1950-02-06 1952-11-05 Robert Bienaime Improvements relating to locks, and more particularly to the locks for the doors of automotive vehicles
US2823538A (en) * 1953-01-14 1958-02-18 Mefina Sa Reversible mortise lock
US4726613A (en) * 1986-03-03 1988-02-23 Best Lock Corporation Fire safety door latch
IT1226290B (it) * 1988-07-22 1990-12-27 Prefer Commerciale Srl Serratura a scrocco, provvista di un sistema perfezionato di bloccaggio ed utilizzabile per porte aprentisi verso l'internoo verso l'esterno
WO2005118988A1 (en) * 2004-06-01 2005-12-15 Yarra Ridge Pty Ltd Locks
DE29719611U1 (de) * 1997-11-05 1999-03-11 Gretsch-Unitas GmbH Baubeschläge, 71254 Ditzingen Schloß, insbesondere Einsteckschloß für eine Außentür
EP1651832A4 (en) * 2003-07-04 2008-04-02 Yarra Ridge Pty Ltd CASTLES
FI120554B (fi) * 2005-07-07 2009-11-30 Bjoerkboda Laas Oy Ab Väliovenlukko
ES1063479Y (es) * 2006-07-03 2007-05-16 Accesorios Y Resortes S L Picaporte perfeccionado para puertas

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DK201600079U3 (en) 2016-10-14
ES1162509Y (es) 2016-11-02
FR3038641B3 (fr) 2017-09-08
SI25038A2 (sl) 2017-01-31
IES86835B2 (en) 2017-11-01
RU170462U1 (ru) 2017-04-25
IES20160179A2 (en) 2017-10-18
BG2640U1 (bg) 2017-06-30
SK500872016U1 (sk) 2018-10-01
FR3038641A3 (bg) 2017-01-13
DE202016103636U1 (de) 2016-07-28
HU4886U (hu) 2018-06-28
CZ29905U1 (cs) 2016-10-25
CN206190045U (zh) 2017-05-24
PL125299U1 (pl) 2017-01-16
RO201600026U1 (ro) 2017-09-29
FI11456U1 (fi) 2016-11-30
EP3115530A1 (en) 2017-01-11
TWM543277U (zh) 2017-06-11
ES1162509U (es) 2016-08-10
GR2003079Y (el) 2016-12-09
EE01434U1 (et) 2018-06-15
SK8397Y1 (sk) 2019-03-01
RS1499U1 (sr) 2017-08-31
UA113935U (xx) 2017-02-27
PT11327U (pt) 2017-01-05
TR201810719T4 (tr) 2018-09-21

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