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EP0816608A2 - Serrure pour portes et similaires - Google Patents

Serrure pour portes et similaires Download PDF

Info

Publication number
EP0816608A2
EP0816608A2 EP96203549A EP96203549A EP0816608A2 EP 0816608 A2 EP0816608 A2 EP 0816608A2 EP 96203549 A EP96203549 A EP 96203549A EP 96203549 A EP96203549 A EP 96203549A EP 0816608 A2 EP0816608 A2 EP 0816608A2
Authority
EP
European Patent Office
Prior art keywords
box
shaped body
bolt
lock
carriage
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.)
Withdrawn
Application number
EP96203549A
Other languages
German (de)
English (en)
Other versions
EP0816608A3 (fr
Inventor
Massimo Cattaneo
Giuseppe Cattaneo
Enrico Cattaneo
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.)
WELKA SERRATURE SpA
Original Assignee
WELKA SERRATURE SpA
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 WELKA SERRATURE SpA filed Critical WELKA SERRATURE SpA
Publication of EP0816608A2 publication Critical patent/EP0816608A2/fr
Publication of EP0816608A3 publication Critical patent/EP0816608A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • E05C9/04—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening
    • E05C9/041—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening with rack and pinion mechanism
    • 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
    • E05B63/0017—Locks with sliding bolt without provision for latching
    • 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
    • E05C9/04—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening
    • E05C9/047—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening comprising key-operated locks, e.g. a lock cylinder to drive auxiliary deadbolts or latch bolts
    • 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
    • E05B15/0053—Other details of locks; Parts for engagement by bolts of fastening devices means providing a stable, i.e. indexed, position of lock parts
    • 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

Definitions

  • the present invention relates to a lock for doors and the like, of the type comprising an elongate box-shaped body, a cylinder that is rotatably supported in the box-shaped body and designed to be made to rotate by a key, a carriage that can move longitudinally inside the box-shaped body under the action of the cylinder, and a bolt, of essentially rectangular cross-section, that can move transversely inside the box-shaped body under the action of the carriage and by means of a right-angled turn mechanism.
  • the bolt needs to be opened and closed by rotating a cylinder into which an appropriate key has been inserted.
  • the cylinder controls a carriage which in turn controls the bolt by means of mechanisms comprising what are essentially matching cam profile elements so as to effect a right-angled change of direction.
  • the basic problem tackled by the present invention is one of providing a lock of the type specified, whose structural and functional characteristics are such that it overcomes the drawbacks referred to above in connection with the prior art.
  • a lock of the type specified which is characterized in that the right-angled turn mechanism comprises a spindle that is rotatably supported in the box-shaped body, a pinion and a toothed sector that are fixed to the spindle, a rack formed along the carriage and meshing with the pinion and a rack formed along the bolt and meshing with the toothed sector.
  • the numeral 1 denotes, as a whole, a lock for doors, windows, door or window frames and the like.
  • the lock 1 comprises a box-shaped body 2 that is essentially parallelepipedal in shape and extends in a vertical longitudinal direction x-x and has a narrow front wall, indicated by 3.
  • the lock 1 comprises a bolt 4 of narrow rectangular cross-section and centre of gravity G, which can move inside the box-shaped body in a horizontal transverse direction y-y perpendicular to the wall 3, an opening 5 through which the bolt 4 moves in a guided manner being provided in the wall 3.
  • the lock 1 also comprises an upper motion transfer rod 6 and a lower motion transfer rod 7 which, together with the bolt 4, create three locking points in the lock 1.
  • the upper 6 and lower 7 motion transfer rods can move longitudinally inside the box-shaped body 2, emerging at opposite ends thereof.
  • the lock 1 also comprises a spring latch 8 which can move inside the box-shaped body 2 in the transverse direction y-y and is constantly urged by a spring 9 into a closed position, in which it projects out of the box-shaped body 2.
  • the reference numeral 10 indicates a cylinder having an axis z-z that extends perpendicularly to the axes x-x and y-y, the said cylinder being rotatably supported in the box-shaped body 2 and designed to receive a suitable key, not shown in the figure, so that it can be rotated.
  • the lock 1 comprises a carriage 11 that can move longitudinally inside the box-shaped body 2 under the action of the cylinder 10, and is mechanically connected to the bolt 4 by means of a right-angled turn mechanism 12.
  • the right-angled turn mechanism 12 comprises a spindle 13 that is rotatably supported in the box-shaped body 2 and whose axis is in alignment with the axis z-z.
  • Fixed to the spindle 13 is a first pinion 14 that meshes with a first rack 15 formed along the carriage 11.
  • a toothed sector 16 is also fixed to the spindle 13 and meshes with a rack 17 formed along the bolt 4 and extending along a straight line g-g parallel to y-y and close to the centre of gravity G.
  • the toothed sector 16 is housed inside the bolt 4 in a cavity 18 which is formed in the bolt itself and defines therein two opposite side walls 19a and 19b.
  • the bolt 4 comprises two slots 20a and 20b formed in the walls 19a and 19b respectively.
  • the slots 20a and 20b extend in the direction y-y and are coupled, with a limited degree of play, to two corresponding cylindrical portions 21a and 21b formed on the spindle 13, behind the toothed sector 16. In this way, the bolt 4 moves in a guided manner inside the box-shaped body 2 not just through the opening 5, but also on the cylindrical portions 21a and 21b.
  • the lock 1 also comprises a second pinion 22 which is fixed to the spindle 13 on the opposite side of the toothed sector 16 with respect to the first pinion 14.
  • the second pinion 22 meshes with two racks 23 and 24, formed along the motion transfer rods 6 and 7 respectively.
  • first pinion 14, the toothed sector 16 and the second pinion 22 are fixed to the spindle 13 by means of corresponding seats of square cross-section, indicated by 14a, 16a and 22a respectively, that are in turn fixed to corresponding portions of the spindle 13 having a matching square cross-section, indicated by 14b, 16b and 22b respectively.
  • lever 25 which is rotatably supported in the box-shaped body 2 and has a square element 26 designed to receive a suitable handle (not shown in the figure)
  • lever 27 which is rotatably supported in the box-shaped body 2, co-axially with the lever 25.
  • the lever 27 is urged by an auxiliary carriage 28 which can move longitudinally in a guided manner inside the box-shaped body 2, parallel to the carriage 11, under the action of the cylinder 10, and engages with the spring latch 8 so as to move the latter against the force exerted by the spring 9 and into an open position in which it is retracted inside the box-shaped body 2.
  • the pinions, the toothed sector and the racks have modular toothings with a module of preferably low value, for example a module of one millimetre.
  • the bolt 4 thus moves between an open position in which it is retracted inside the box-shaped body 2 (Figs 1 to 4) and a closed position in which it projects out of the box-shaped body 2 (Figs 11 to 14).
  • the main advantage of the lock according to the present invention lies in the unusually and consistently smooth way the movement is transferred from the key to the bolt and to the motion transfer rods.
  • the consistent smoothness of the lock according to the invention may be explained by the fact that the bolt and the rods are subjected to forces that are essentially directed in the direction of movement and consequently produce low transverse forces and therefore low frictional forces.
  • An additional advantage of the lock according to the present invention is that, subsequent to the bolt and the motion transfer rods being opened, the spring latch is also opened.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Transmission Devices (AREA)
EP96203549A 1996-07-04 1996-12-16 Serrure pour portes et similaires Withdrawn EP0816608A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT96MI001371A IT1284465B1 (it) 1996-07-04 1996-07-04 Serratura per una porta e simili
ITMI961371 1996-07-04

Publications (2)

Publication Number Publication Date
EP0816608A2 true EP0816608A2 (fr) 1998-01-07
EP0816608A3 EP0816608A3 (fr) 1999-08-11

Family

ID=11374532

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96203549A Withdrawn EP0816608A3 (fr) 1996-07-04 1996-12-16 Serrure pour portes et similaires

Country Status (3)

Country Link
EP (1) EP0816608A3 (fr)
CN (1) CN1087383C (fr)
IT (1) IT1284465B1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2790027A1 (fr) * 1999-02-19 2000-08-25 Joseph Lehiani Serrure de rideau metallique a haute protection anti-effraction
EP1132555A3 (fr) * 2000-03-10 2002-11-13 KARL FLIETHER GmbH & Co. Serrure à pêne demi-tour et pêne dormant
CN102235119A (zh) * 2010-04-21 2011-11-09 温州洪达实业有限公司 防盗自动锁
EP3805493A3 (fr) * 2019-09-18 2021-07-14 WILKA SCHLIESSTECHNIK GmbH Serrure modulaire à fonction anti-panique

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114508701B (zh) * 2022-01-25 2023-12-08 惠州市金雄城建筑科技有限公司 基于bim技术智能燃气安全预警系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191007350A (en) * 1910-03-24 1911-02-16 William Spittal A House Door Lock.
FR1190878A (fr) * 1958-01-30 1959-10-15 Rhetaise Ind Et Commerciale Sa Perfectionnements aux serrures et fermetures
DE3213454C2 (de) * 1982-04-10 1985-02-14 Carl Fuhr Gmbh & Co, 5628 Heiligenhaus Wechselhebel-Betätigungsvorrichtung in einem zweitourigen schließzylinderbetätigbaren Treibstangenschloß
DE8218024U1 (de) * 1982-06-04 1982-11-04 Gretsch-Unitas GmbH Baubeschläge, 7257 Ditzingen Schloss fuer eine tuer, ein fenster o.dgl.

Non-Patent Citations (1)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2790027A1 (fr) * 1999-02-19 2000-08-25 Joseph Lehiani Serrure de rideau metallique a haute protection anti-effraction
EP1132555A3 (fr) * 2000-03-10 2002-11-13 KARL FLIETHER GmbH & Co. Serrure à pêne demi-tour et pêne dormant
CN102235119A (zh) * 2010-04-21 2011-11-09 温州洪达实业有限公司 防盗自动锁
EP3805493A3 (fr) * 2019-09-18 2021-07-14 WILKA SCHLIESSTECHNIK GmbH Serrure modulaire à fonction anti-panique

Also Published As

Publication number Publication date
ITMI961371A1 (it) 1998-01-04
CN1170076A (zh) 1998-01-14
CN1087383C (zh) 2002-07-10
EP0816608A3 (fr) 1999-08-11
ITMI961371A0 (fr) 1996-07-04
IT1284465B1 (it) 1998-05-21

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