EP0540429A1 - Haltevorrichtung für den Schlüssel eines Schlosses - Google Patents

Haltevorrichtung für den Schlüssel eines Schlosses Download PDF

Info

Publication number
EP0540429A1
EP0540429A1 EP92420304A EP92420304A EP0540429A1 EP 0540429 A1 EP0540429 A1 EP 0540429A1 EP 92420304 A EP92420304 A EP 92420304A EP 92420304 A EP92420304 A EP 92420304A EP 0540429 A1 EP0540429 A1 EP 0540429A1
Authority
EP
European Patent Office
Prior art keywords
key
sleeve
cylinder
lock
housing
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
Application number
EP92420304A
Other languages
English (en)
French (fr)
Other versions
EP0540429B1 (de
Inventor
Josep Salvador
Luis Xaus
Michel Charbonneau
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.)
Schneider Electric SE
Original Assignee
Merlin Gerin SA
Schneider Electric SE
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 Merlin Gerin SA, Schneider Electric SE filed Critical Merlin Gerin SA
Publication of EP0540429A1 publication Critical patent/EP0540429A1/de
Application granted granted Critical
Publication of EP0540429B1 publication Critical patent/EP0540429B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B35/00Locks for use with special keys or a plurality of keys ; keys therefor
    • E05B35/008Locks for use with special keys or a plurality of keys ; keys therefor for simple tool-like keys
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00Closure fasteners
    • Y10T292/08Bolts
    • Y10T292/1099Screw
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/70Operating mechanism
    • Y10T70/7441Key
    • Y10T70/7486Single key
    • Y10T70/7497Tumblerless warded
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/70Operating mechanism
    • Y10T70/7441Key
    • Y10T70/7486Single key
    • Y10T70/7508Tumbler type
    • Y10T70/7559Cylinder type
    • Y10T70/7655Cylinder attaching or mounting means
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/80Parts, attachments, accessories and adjuncts
    • Y10T70/8432For key-operated mechanism
    • Y10T70/8459Housings
    • Y10T70/8541Mounting arrangements

Definitions

  • the invention relates to a lock with a removable rotary key, in particular for a cabinet or an electrical switchgear cabinet, comprising a rosette, for fixing to the wall which has a cylindrical housing, a cylinder mounted for rotation in said housing and having an internal end projecting from said rose on the side of the wall and cooperating with a locking member and an external end with a prismatic drive end piece, and a key of shape combined with that of said prismatic end piece to cooperate by interlocking with the latter and drive it in rotation from the closed position of the lock to the open position and vice versa.
  • a lock of the kind mentioned requires a key to open and close the box, while not being a security lock, significantly more complicated.
  • These locks hereinafter called square drive locks, allow the control of the locking system which can be a simple cam or a gearbox, or any other operating locking system, but they do not allow an easy opening of the door with this lock.
  • a traction exerted on the key for opening the door causes the key to be released, and it is therefore necessary to equip the door with a handle or a gripping system, facilitating the opening of the door.
  • the handles constitute protruding parts, particularly troublesome, while the gripping locations are necessarily of limited size and sometimes difficult to access.
  • the object of the present invention is the production of a lock, the key of which controls opening and closing by a simple rotation and makes it possible to exert on the door a tensile force to open the latter.
  • the lock according to the invention is characterized in that the lock comprises a retaining sleeve threaded on said cylinder and having projections which cooperate with conjugate parts to position the sleeve axially with respect to the cylinder, while allowing rotation of the latter, the sleeve being immobilized in rotation, that said sleeve has at its end a collar folded inwards to define a restricted entry section, adapted to that of the key and that said collar has a notch providing a passage for a retaining lug projecting from the external periphery of the key, said notch being positioned relative to said cylinder in such a way that in the open position of the lock, the lug is trapped behind the collar and prevents the key from being removed, while in the closed position the lug is facing of the notch to allow the installation and removal of the key.
  • the key In the closed position of the door and the lock, the key can be removed and no protruding part of the door remains.
  • the opening is carried out in the usual way, by insertion and rotation of the key, and the latter, retained in the lock, allows the door to pivot by exerting a tensile force on the key.
  • the lock advantageously uses standard elements, to which has been added a retaining sleeve threaded on the cylinder and held axially on the latter.
  • This holding is carried out by fingers which extend along the generatrix of the sleeve, and present at their end of a spout engaged in a circular groove of the cylinder.
  • the sleeve is fixed to the cylinder by snap-on, while after inserting the cylinder / sleeve assembly in the rosette housing, the retaining fingers are immobilized by the internal periphery of the housing, preventing any disengaging.
  • the sleeve also carries immobilizing fingers similar to the locking fingers, but of greater length, which during the positioning of the cylinder / sleeve assembly in the housing, engage in grooves formed in this housing for immobilize the bush in rotation.
  • the rosette or base is generally fixed to the external part of the door, while the cylinder passes through an orifice made in the door, and carries on the internal part the locking system, for example a simple cam, fixed by a screw. which at the same time maintains the cylinder in the rosette housing.
  • the locking system can of course be of a different type, in particular with a cremone bolt case.
  • the key advantageously carries two diametrically opposite lugs, and the gripping end is arranged as a handle, facilitating traction on the key to open the door.
  • Figure 1 is an exploded schematic view of a lock according to the invention.
  • FIG. 2 is a plan view of the rose according to FIG. 1.
  • Figure 3 is a section along line III-III of Figure 2.
  • FIG. 4 is an elevation view of the socket according to FIG. 1.
  • Figure 5 is an elevational view of the cylinder according to Figure 1, the socket fitted on the cylinder being shown in broken lines.
  • Figure 6 is a view similar to that of Figure 3, showing the cylinder / socket assembly fitted on the rosette.
  • Figure 7 is a section along line VII-VII of Figure 6.
  • a rosette or base 4 has on one of its faces 4a, threaded blind holes 4b receiving fixing screws on the external face of the door of an electrical switchgear cabinet (not shown).
  • Perpendicular to the face 4a extends a cylindrical housing 4c with three stepped sections 4d, 4e and 4f, the smallest section 4f being on the side of the face 4a, pressed against the wall of the door.
  • a cylinder 3 of shape combined with that of the housing 4c is fitted into the latter, projecting by its end 3c from the face 4a of the rosette 4.
  • the opposite end 3d internal to the section 4d of the housing 4c is arranged as a nozzle prismatic, in this case in triangular tip or as shown in Figure 1, as an alternative, 3d square tip.
  • a grooved collar 3a At the base of the 3d nozzle is provided a grooved collar 3a, the cross section of which is smaller than that of the part 4d of the housing 4c to provide an annular space for a retaining sleeve 2.
  • the sleeve 2 of generally cylindrical shape has at one of its ends a collar 2d folded inwards and confining a cylindrical orifice 2e. Two diametrically opposite rectangular notches 2c are formed in the internal edge of the collar 2d.
  • the sleeve 2 opposite the collar 2d extend along the generatrices, several holding fingers 2a distributed along the circumference, and the free end of which is shaped as a snap-on spout 2f.
  • the length of the holding fingers 2a corresponds to the height of the large section 4d of the housing 4c, while two fingers are of greater length to constitute immobilizing fingers 2b.
  • the sleeve 2 can be fitted onto the cylinder 3, the snap-fit spouts 2f snapping into the groove 3a.
  • the diameter of the sleeve 2 corresponds to that of the large section 4d, and the cylinder 3, sleeve 2 assembly can be inserted into the housing 4c.
  • Immobilizer fingers 2b engage in two grooves 4g, formed in the intermediate section 4e of the housing 4c.
  • a threaded hole 3e capable of receiving a screw 6 for fixing a locking member, for example of a cremone box 5, generally disposed inside the box being applied against the wall Door.
  • a key 1 comprises on one side a handle in the shape of a handle 1b, and on the opposite side a cylindrical section 1a of diameter corresponding to the orifice 2e confined by the collar 2d.
  • the key 1 has two diametrically opposite lugs 1c, and of shape conjugate to the notches 2c.
  • the cylindrical section 1a is hollowed out at its center to form a housing of shape combined with the 3d endpiece, in which the latter comes to be housed when the key 1 is inserted into the socket 2.
  • the lugs 1c must be aligned with the notches 2c and the 3d tip must be in a position allowing the key 1 to fit onto this 3d tip.
  • this position corresponds to the closed position of the locking system 5.
  • the key 1 can be fitted onto the 3d nozzle, and the pins 1c come to the rear of the collar 2d, authorizing a rotation of the key 1 to open the lock.
  • the lugs 1c are retained by the collar 2d and the key is maintained and cannot be removed.
  • the key is trapped, which is hardly annoying.
  • the closure is effected by a reverse closing operation of the door and a rotation of the key 1 again bringing the lugs 1c opposite the notches 2c.
  • the key can be removed, the projection of the lock then being extremely small.
  • the sleeve 2 is immobilized in rotation by the fingers 2b, in order to maintain the position of the lugs 2c, but this immobilization does not hamper the rotational movement of the cylinder 3, thanks to the groove 3a, in which slide the snap-fit nozzles 2f. Any risk of disengaging the socket 2 under the tensile force exerted by the key 1 is excluded, by the hooping of the immobilizing fingers 2a, by the internal wall of the housing 4c.
  • the retaining sleeve 2 is an extremely simple part, capable of being associated with other types of locks.
  • the invention is of course in no way limited to the mode of implementation more particularly described, but it extends to all variants remaining within the framework of equivalences, in particular to that in which the retaining fingers would be snapped into a groove made in the housing 4c, or that in which the sleeve 2 is secured to the rosette 4 by any suitable means.

Landscapes

  • Casings For Electric Apparatus (AREA)
  • Lock And Its Accessories (AREA)
  • Patch Boards (AREA)
EP92420304A 1991-10-04 1992-09-10 Haltevorrichtung für den Schlüssel eines Schlosses Expired - Lifetime EP0540429B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9112343 1991-10-04
FR9112343A FR2682147B1 (fr) 1991-10-04 1991-10-04 Dispositif de retenue d'une cle d'une serrure.

Publications (2)

Publication Number Publication Date
EP0540429A1 true EP0540429A1 (de) 1993-05-05
EP0540429B1 EP0540429B1 (de) 1996-03-06

Family

ID=9417681

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92420304A Expired - Lifetime EP0540429B1 (de) 1991-10-04 1992-09-10 Haltevorrichtung für den Schlüssel eines Schlosses

Country Status (8)

Country Link
US (1) US5237843A (de)
EP (1) EP0540429B1 (de)
BR (1) BR9203853A (de)
CA (1) CA2078964A1 (de)
DE (1) DE69208814T2 (de)
ES (1) ES2086705T3 (de)
FR (1) FR2682147B1 (de)
MX (1) MX9205667A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0905340A1 (de) * 1997-09-24 1999-03-31 Dzus Fastener Europe Limited Doppelwirkende Sperrklinke

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06257331A (ja) * 1993-03-04 1994-09-13 Takigen Seizo Kk 取外し型ロックハンドル装置
JP3839932B2 (ja) 1996-09-26 2006-11-01 キヤノン株式会社 プロセスカートリッジ及び電子写真画像形成装置及び電子写真感光体ドラム及びカップリング
US7051563B2 (en) * 2003-01-21 2006-05-30 Key Systems, Inc. Door key retention security system
DE20303200U1 (de) * 2003-02-26 2003-05-08 Emka Beschlagteile Vorreiberverschluß
FR2885631B1 (fr) * 2005-05-10 2008-09-05 Valeo Securite Habitacle Sas Verrou a element de fixation du rotor
WO2016066780A1 (en) * 2014-10-31 2016-05-06 Tyco Electronics Raychem Bvba Guaranteed closed safety lock
US20160333919A1 (en) * 2016-07-25 2016-11-17 Caterpillar Inc. Method and system for installing keylock insert

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3907348A (en) * 1973-04-27 1975-09-23 Truth Inc Security lock
DE2818479A1 (de) * 1977-06-07 1978-12-21 Feller Ag Sicherheitsschloss
EP0175211A1 (de) * 1984-09-19 1986-03-26 Dieter Ramsauer Steckschlüsselbetätigbarer, arretierbarer Vorreiberverschluss
GB2172648A (en) * 1985-03-22 1986-09-24 Southco Key and latch-actuator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1568434A (en) * 1923-03-29 1926-01-05 Patrick H Winterson Window lock
US1580611A (en) * 1923-11-20 1926-04-13 Ernest C Kirkpatrick Window lock
US1639661A (en) * 1926-03-15 1927-08-23 North Land Cedar Chest Company Fastening device for sealed containers
US2745275A (en) * 1954-10-07 1956-05-15 Briggs & Stratton Corp Means for securing an instrument to an instrument panel
US3251205A (en) * 1964-01-09 1966-05-17 Chicago Lock Co Quick-change axial pin-tumbler lock assembly
IT1092792B (it) * 1977-02-23 1985-07-12 Wilmot Breeden Ltd Perfezionamenti nelle o relative alle serrature

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3907348A (en) * 1973-04-27 1975-09-23 Truth Inc Security lock
DE2818479A1 (de) * 1977-06-07 1978-12-21 Feller Ag Sicherheitsschloss
EP0175211A1 (de) * 1984-09-19 1986-03-26 Dieter Ramsauer Steckschlüsselbetätigbarer, arretierbarer Vorreiberverschluss
GB2172648A (en) * 1985-03-22 1986-09-24 Southco Key and latch-actuator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0905340A1 (de) * 1997-09-24 1999-03-31 Dzus Fastener Europe Limited Doppelwirkende Sperrklinke

Also Published As

Publication number Publication date
FR2682147B1 (fr) 1993-11-26
FR2682147A1 (fr) 1993-04-09
BR9203853A (pt) 1993-04-27
US5237843A (en) 1993-08-24
MX9205667A (es) 1993-04-01
EP0540429B1 (de) 1996-03-06
CA2078964A1 (en) 1993-04-05
DE69208814D1 (de) 1996-04-11
ES2086705T3 (es) 1996-07-01
DE69208814T2 (de) 1996-09-26

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