EP0353277A1 - Serrure cylindrique a pompe. - Google Patents

Serrure cylindrique a pompe.

Info

Publication number
EP0353277A1
EP0353277A1 EP89902021A EP89902021A EP0353277A1 EP 0353277 A1 EP0353277 A1 EP 0353277A1 EP 89902021 A EP89902021 A EP 89902021A EP 89902021 A EP89902021 A EP 89902021A EP 0353277 A1 EP0353277 A1 EP 0353277A1
Authority
EP
European Patent Office
Prior art keywords
cylinder
housing
cylinder lock
lock according
housing section
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
EP89902021A
Other languages
German (de)
English (en)
Other versions
EP0353277B1 (fr
Inventor
Gernot Richter
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.)
Individual
Original Assignee
Individual
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
Priority claimed from DE19883803883 external-priority patent/DE3803883A1/de
Priority claimed from DE19883836435 external-priority patent/DE3836435A1/de
Application filed by Individual filed Critical Individual
Publication of EP0353277A1 publication Critical patent/EP0353277A1/fr
Application granted granted Critical
Publication of EP0353277B1 publication Critical patent/EP0353277B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • E05B9/04—Casings of cylinder locks
    • 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
    • E05B15/16—Use of special materials for parts of locks

Definitions

  • the invention relates to a cylinder lock according to the features of the preamble of claim 1.
  • the cylinder housings for a cylinder lock are made exclusively from brass, because brass is an easy-to-work material.
  • This profile is a solid, one-piece housing profile and is produced using the drawing process.
  • the first section has a cylindrical longitudinal bore and the second section has transverse bores;
  • the cylinder core is inserted into the longitudinal bore and tumbler pins into the transverse bore.
  • Cylinder housings which do not have a second section are also known. Since brass is currently the only material used in all cylinder housings, the production of the longitudinal bore using a normal brass drill is very simple and inexpensive.
  • This used in all locks currently manufactured Brass material is relatively easy to break open, so that the resistance time value is low. This resistance time value corresponds to the time it takes to break the lock open.
  • the object of the invention is therefore to provide a cylinder housing of the type mentioned, which is made of a material which is considerably more difficult to machine than brass.
  • This material which is to be used for the cylinder housing according to the invention, has not previously been used because its workability was considered too difficult over time.
  • a particular advantage of the invention is that the resistance time value is increased or lengthened considerably.
  • the resistance time value for brass is less than 2 minutes, whereas it is increased several times for the material according to the invention.
  • drill protection pins and tear-off clips are also required, which, which is particularly advantageous, can be omitted in the material according to the invention.
  • the cylinder housing and in particular the metal or the metal alloy can be produced in any way.
  • the blank from which the cylinder housing is made can be cast, forged, or sintered in the powder metallurgy process as set out in claim 2.
  • the properties of the material are essential: it should be corrosion-free, with high toughness, high strength and great hardness. If the cylinder housing of the cylinder lock is designed as shown in features 5 to 10, then the cylinder housing should also be weldable or brazeable; this is preferably a steel or a steel alloy which is also stainless and hardenable i st.
  • the cylinder housing is designed as shown in the features of claim 5, then significant simplifications are made in the manufacture of the cylinder housing, in particular in the manufacture of the bore. Due to the fact that the two profile parts, i.e. the two housing sections, form the longitudinal bore from the outset or complement each other to form the longitudinal bore, it is no longer necessary to drill the cylinder housing, but only to process it with a so-called broach, to possibly insert it into the welding process Remove internal metal particles. Even if the inside diameter of the raw part from the two housing sections is slightly smaller than the required inside diameter, drilling out the longitudinal hole that is present from the outset is considerably simplified and does not require any major changes to the tools or machine tools currently installed.
  • the two parts are preferably designed as described in claims 7 to 11, the longitudinal steps being particularly advantageous since they improve the assignment of the two Parts serve to each other when putting the two together.
  • the longitudinal steps act as labyrinthine seals, so that molten welding or soldering material is prevented from flowing into the interior of the longitudinal bore.
  • the cylinder core is also produced from the same material as the cylinder housing. Since the locking channel is manufactured according to claim 14 with the machining methods specified there, the manufacture of the entire cylinder lock is considerably simplified.
  • the cylinder core according to claim 15 is preferably coated with a lubricant.
  • This lubricant can be an antel-like plastic splint or a kind of lubricant layer; the latter sits in the valleys of the processing grooves as a supply and is gradually pushed out of these valleys when the cylinder core is turned.
  • the so-called resistance time value i.e. the time it takes to open the lock
  • the so-called resistance time value is considerably enlarged or lengthened compared to the brass cylinder housing, which considerably increases Security improvements for the locks result.
  • Show it: 1 is a plan view of a blank
  • FIG. 2 shows a sectional view through a second embodiment of a cylinder housing according to the invention.
  • FIG. 3 is a partial sectional view of a further embodiment in the area of the weld seam for the cylinder housing,
  • FIG. 4 is a partial sectional view similar to that of FIG. 3 of a further embodiment of the cylinder housing
  • Fig. 5 is a plan view of a cylinder core
  • FIG. 6 is a sectional view through the cylinder core along the section line VI-VI of FIG. 5th
  • a blank for a cylinder housing is shown, which is made of a high-strength, high-strength steel alloy.
  • the blank has a first housing section 10, into which, as shown in dashed lines, a longitudinal bore 10a or cylinder bore 10a is made, which, particularly in the case of steel or a similar hardenable and high-viscosity material, has not hitherto been able to be produced using the currently known and used machines. Because of these problems, all lock manufacturers have switched to brass, which is easy to work but also easy to break open.
  • a second housing section 11 Connected to the first housing section 10 is a second housing section 11, which has a cuboid cross section with side walls 12 and 13 on both sides, which are connected by means of a round contour 14.
  • this cylinder housing is made of a tough, high-strength and hardenable material, preferably of stainless steel.
  • FIG. 2 has a cylindrical housing section 20 which corresponds to section 10.
  • This cylinder section 20 has a longitudinal bore 21, and radially to this, the second housing section 22 is formed, which has two parallel side walls 23 and 24, which are connected to one another by means of an arcuate section 25 or an arcuate contour 25.
  • the first housing section 20 comprises an upper half-shell 26, and on the second housing section 22 two projections 27 and 28 are formed on both sides, which protrude on both sides of the two side walls 23 and 24 and thus form a lower shell 29, which of the upper shell 26 such is covered that the two free edge edges 30 of the upper shell and the free edge edges 31 of the lower shell 29 are directed towards each other.
  • the two shells 26 and 29 complement each other to form the cylindrical housing section 20, and the inner surfaces of the two shells 26 and 29 form the longitudinal bore or limit the longitudinal bore 21.
  • FIG. 3 shows a part of the upper shell 26 and the extension 27; the mutually facing edges 30 and 31 are beveled and in this way form a mouth that is open to the outside, the mouth angle alpha being an acute angle.
  • a weld seam 33 is placed in this mouth 30/31, for example by means of a laser welding process or by means of an electron beam welding process. Of course, all other types of welding processes can also be used, provided this prevents the first housing section 20 from being warped too much.
  • a nose 34 formed by the weld seam material projects into the interior of the bore 21. This nose 34 is then removed, as well as further unevenness on the inside of the shells 26 and 29, by means of machining, preferably with a simple broaching needle.
  • the upper shell 26 and the section 22 with the projections 27 and 28 are each made as a drawn profile, the material preferably being stainless steel.
  • FIG. 4 shows the two shells 40 and 41, which correspond to shells 26 and 27.
  • edges 42, 43 each have a bevel 44 and 45 corresponding to the bevels 30 and 31 and a recess 46 and a projection 47, respectively, which fit into one another and serve to guide the upper shell 40 relative to the lower shell 41.
  • the recess and the projection have a sealing effect when welding or soldering, so that tabs corresponding to tab 34 and thus post-processing and the longitudinal bore inner surface are avoided.
  • FIG. 5 shows a plan view of a locking or cylinder core 50 which has a key cut (locking channel) 51 which runs lengthwise through the entire locking core.
  • the closing core has at its forward end protruding from the cylinder housing 52 a radial flange 53, which rests as a stop against a recess 54 on the cylinder housing, which deepens the longitudinal or core receiving bore 55 at its end.
  • a radial flange 53 which rests as a stop against a recess 54 on the cylinder housing, which deepens the longitudinal or core receiving bore 55 at its end.
  • transverse bores 56 for receiving locking pins (not shown).
  • a locking bit 57 is formed, which can be pivoted with the locking core by means of a key (not shown).
  • the closing core 50 of a known design has drilling pins 58 and 59 (shown in broken lines) which can be omitted in the design according to the invention.
  • a sliding layer can be placed around the cylinder core, which is not shown here, which prevents the materials for the cylinder core and the cylinder housing from seizing in its longitudinal bore.
  • a security plate 60 can be fitted in front of the lock, which has a bore 61 which only leaves the cylinder core free.
  • This bore can also be adapted to the cylinder housing contour, so that this remains, which has the disadvantage that the cylinder housing remains accessible.
  • both the cylinder core and the cylinder housing are made is a high-strength, high-viscosity, corrosion-free and hardenable material, preferably steel or a steel alloy, which can be manufactured in various ways.
  • both the cylinder core and the cylinder housing can be manufactured by drawing, forging, casting, or also by sintering. If the cylinder housing is made of two parts, as shown in FIGS. 2 to 4, then it is of course necessary that the material is also weldable or hard-solderable or extremely temperature-solderable.
  • the cylinder housing can have the second housing section; there is of course also the possibility that the invention is applied to a cylindrical cylinder housing without the second housing part 11, 22.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Actuator (AREA)
  • Eye Examination Apparatus (AREA)
  • Pens And Brushes (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

Une serrure cylindrique à pompe comprend un logement cylindrique (10) et un noyau cylindrique (50). C'est un fait connu que le logement cylindrique se fait jusqu'à aujourd'hui uniquement en laiton. Selon l'invention, le logement cylindrique est fabriqué en un métal ou en un alliage métallique résistant à la corrosion, robuste, tenace et très dur. Selon un mode préférentiel de réalisation, le logement cylindrique est formé de deux parties.
EP89902021A 1988-02-09 1989-02-06 Serrure cylindrique a pompe Expired - Lifetime EP0353277B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19883803883 DE3803883A1 (de) 1988-02-09 1988-02-09 Zylindergehaeuse fuer ein zylinderschloss
DE3803883 1988-02-09
DE19883836435 DE3836435A1 (de) 1988-10-26 1988-10-26 Zylinderkern fuer schliess-zylinder
DE3836435 1988-10-26
PCT/DE1989/000071 WO1989007697A1 (fr) 1988-02-09 1989-02-06 Serrure cylindrique a pompe

Publications (2)

Publication Number Publication Date
EP0353277A1 true EP0353277A1 (fr) 1990-02-07
EP0353277B1 EP0353277B1 (fr) 1994-10-12

Family

ID=25864693

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89902021A Expired - Lifetime EP0353277B1 (fr) 1988-02-09 1989-02-06 Serrure cylindrique a pompe

Country Status (4)

Country Link
EP (1) EP0353277B1 (fr)
AT (1) ATE112813T1 (fr)
DE (1) DE58908491D1 (fr)
WO (1) WO1989007697A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4037358C2 (de) * 1990-11-23 1996-07-11 Guenter Hommel Zylinderschloß
DE19646058C2 (de) * 1996-11-07 2003-06-05 Gernot Richter Verlängerbares Schließzylinder Baukastensystem
DE10127472B4 (de) * 2001-06-07 2004-02-19 Aberle Gmbh & Co. Zylinderkern für Schließzylinder

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1161176B (de) * 1964-01-09 Karrenberg Fa Wilhelm Drehzylinderschloss
FR2232947A5 (fr) * 1973-06-05 1975-01-03 Lammens Jean
CH568460A5 (fr) * 1973-10-18 1975-10-31 Cylintec Sa
GB1545294A (en) * 1977-04-19 1979-05-10 Newman Tonks Ltd Method of constructing plugs for pin tumbler cylinder locks and plugs made thereby
CH626679A5 (fr) * 1978-05-12 1981-11-30 Ernst Keller

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8907697A1 *

Also Published As

Publication number Publication date
ATE112813T1 (de) 1994-10-15
EP0353277B1 (fr) 1994-10-12
WO1989007697A1 (fr) 1989-08-24
DE58908491D1 (de) 1994-11-17

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