EP1614836A2 - Kunststoffschloss für Gekühl- oder Gefriereinrichtungen - Google Patents
Kunststoffschloss für Gekühl- oder Gefriereinrichtungen Download PDFInfo
- Publication number
- EP1614836A2 EP1614836A2 EP05104402A EP05104402A EP1614836A2 EP 1614836 A2 EP1614836 A2 EP 1614836A2 EP 05104402 A EP05104402 A EP 05104402A EP 05104402 A EP05104402 A EP 05104402A EP 1614836 A2 EP1614836 A2 EP 1614836A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder
- lock
- key
- rocker element
- hole
- 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- Withdrawn
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/006—Safety devices
-
- 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
- E05B15/1635—Use of special materials for parts of locks of plastics materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
- F25D23/028—Details
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B19/00—Keys; Accessories therefor
- E05B19/26—Use of special materials for keys
-
- 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
- E05B15/1635—Use of special materials for parts of locks of plastics materials
- E05B2015/1642—Use of special materials for parts of locks of plastics materials for the whole lock
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/0042—For refrigerators or cold rooms
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C3/00—Fastening devices with bolts moving pivotally or rotatively
- E05C3/02—Fastening devices with bolts moving pivotally or rotatively without latching action
- E05C3/04—Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt
- E05C3/041—Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt rotating about an axis perpendicular to the surface on which the fastener is mounted
- E05C3/042—Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt rotating about an axis perpendicular to the surface on which the fastener is mounted the handle being at one side, the bolt at the other side or inside the wing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/10—Refrigerator top-coolers
Definitions
- the present invention relates to a mainly plastic lock for refrigeration appliances in accordance with the introduction to the main claim. It relates in particular to a lock for horizontal freezers.
- Conventional vertical freezers present locks enabling the lid to be opened by a person possessing the relative key.
- the locks currently installed on such freezers are of the cylinder type and substantially of metal construction.
- plastic locks have been used in certain applications, such as computer disk containers, compact disk containers or liquid soap containers.
- An object of the present invention is to provide a lock mainly of plastic construction for use with horizontal freezers, as an alternative to those of the known art.
- a further object of the present invention is to provide a lock for horizontal freezers which is able to withstand at least a "banal" break-in attempt.
- It comprises a support 2 which can be fixed to the lid of a conventional horizontal freezer by holes 3.
- a projection 4 provided with a cylindrical through hole 5.
- the hole 5 presents a first groove 6 and a second groove 7 which are disposed axially along the inner surface 5a of the hole 5 and extend radially from the hole 5. Said grooves 6, 7 are spaced apart by 90° on a circumferential arc having the hole 5 as centre.
- Housed in the hole 5 there is a cylinder 8, well visible in Figure 5. It presents a surface in the form of a cylindrical sector 8a, which when the cylinder 8 is rotating slides along an inner surface 5a of the hole 5.
- a portion 10 of square cross-section from which a U-shaped portion 11 extends.
- the portion 10 of square cross-section is intended to receive an aperture 12a of similar shape, provided in a hook-shaped element or hook 12.
- the aperture 12a and portion 10 of square cross-section render the cylinder 8 and hook 12 torsionally rigid.
- the cylinder 8 is inserted into the hole 5, its collar or flange 8c abutting against the projection 4.
- the cylinder 8 is axially secured to the hook element 12 by a fixing washer 13. This fixing method axially blocks the cylinder 8 within the hole 5.
- the hook 12 cooperates conventionally with a pin (not shown) to lock the freezer lid.
- the interior of the cylinder 8 presents a passageway 19 which opens in a side thereof of substantially square cross-section (see Figure 3), through which the key 9 is inserted, the use of which is clarified hereinafter.
- the rocker element 15 presents a shaped profile 20 which by cooperating with a corresponding shaped profile 21 of the key 9 (comprising shoulders 21A defining a recess 21 B into which the profile 20 penetrates), centres the rocker element relative to the key 9 when this latter is inserted into the passageway 19.
- the key 9 presents, in addition to the profile 21 corresponding to the profile 20 of the rocker element, a seat 23 enabling the rocker element 15 to move towards the key and substantially to receive it with the tooth 18 disengaged from the groove 6, 7.
- the key 9, cylinder 8, support 2, fixing washer 13 and hook 12 are made of ABS.
- the tooth 18 can be provide integral with the hole 5, while the groove 6, 7 can be provided in the rocker element 15.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Lock And Its Accessories (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI20040288 ITMI20040288U1 (it) | 2004-06-15 | 2004-06-15 | Serratura in plastica per apparecchi frigorifero o congelatori |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1614836A2 true EP1614836A2 (de) | 2006-01-11 |
EP1614836A3 EP1614836A3 (de) | 2009-11-18 |
Family
ID=35198092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05104402A Withdrawn EP1614836A3 (de) | 2004-06-15 | 2005-05-24 | Kunststoffschloss für Gekühl- oder Gefriereinrichtungen |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1614836A3 (de) |
IT (1) | ITMI20040288U1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007139904A2 (en) * | 2006-05-24 | 2007-12-06 | David Joseph Bolles | Locking mechanism for a theft-resistant mailbox |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3626712A (en) * | 1970-09-21 | 1971-12-14 | Gen Motors Corp | Safety lock for food freezers or refrigerators |
FR2231240A6 (de) * | 1973-05-22 | 1974-12-20 | Neiman Exploitation Brevets | |
DE3503660A1 (de) * | 1985-02-04 | 1986-08-07 | Fa. Wilhelm Karrenberg, 5620 Velbert | Schliessvorrichtung mit schliesszylinder und flachschluessel |
US4910982A (en) * | 1988-10-14 | 1990-03-27 | Engineered Security Products Corporation | Self-assembling locking device |
US5479800A (en) * | 1992-10-19 | 1996-01-02 | Fort Lock Corporation | Plastic lock |
-
2004
- 2004-06-15 IT ITMI20040288 patent/ITMI20040288U1/it unknown
-
2005
- 2005-05-24 EP EP05104402A patent/EP1614836A3/de not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3626712A (en) * | 1970-09-21 | 1971-12-14 | Gen Motors Corp | Safety lock for food freezers or refrigerators |
FR2231240A6 (de) * | 1973-05-22 | 1974-12-20 | Neiman Exploitation Brevets | |
DE3503660A1 (de) * | 1985-02-04 | 1986-08-07 | Fa. Wilhelm Karrenberg, 5620 Velbert | Schliessvorrichtung mit schliesszylinder und flachschluessel |
US4910982A (en) * | 1988-10-14 | 1990-03-27 | Engineered Security Products Corporation | Self-assembling locking device |
US5479800A (en) * | 1992-10-19 | 1996-01-02 | Fort Lock Corporation | Plastic lock |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007139904A2 (en) * | 2006-05-24 | 2007-12-06 | David Joseph Bolles | Locking mechanism for a theft-resistant mailbox |
WO2007139904A3 (en) * | 2006-05-24 | 2008-02-07 | David Joseph Bolles | Locking mechanism for a theft-resistant mailbox |
Also Published As
Publication number | Publication date |
---|---|
ITMI20040288U1 (it) | 2004-09-15 |
EP1614836A3 (de) | 2009-11-18 |
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REG | Reference to a national code |
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Effective date: 20100519 |