EP3022372A1 - Electronic locks particularly for office furniture - Google Patents
Electronic locks particularly for office furnitureInfo
- Publication number
- EP3022372A1 EP3022372A1 EP14826318.9A EP14826318A EP3022372A1 EP 3022372 A1 EP3022372 A1 EP 3022372A1 EP 14826318 A EP14826318 A EP 14826318A EP 3022372 A1 EP3022372 A1 EP 3022372A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- lock
- cam lock
- panel
- cabinet
- 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
Links
- 239000002184 metal Substances 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000000717 retained effect Effects 0.000 claims description 3
- 239000002023 wood Substances 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000006855 networking Effects 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012550 audit Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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
- E05B65/46—Locks or fastenings for special use for drawers
-
- 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
- E05B63/0056—Locks with adjustable or exchangeable lock parts
- E05B63/006—Locks with adjustable or exchangeable lock parts for different door thicknesses
-
- 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
- E05C1/002—Fastening devices with bolts moving rectilinearly perpendicular to the surface on which the fastener is mounted
-
- 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
- E05C1/02—Fastening devices with bolts moving rectilinearly without latching action
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0048—Circuits, feeding, monitoring
- E05B2047/0057—Feeding
- E05B2047/0058—Feeding by batteries
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0094—Mechanical aspects of remotely controlled locks
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
Definitions
- This invention concerns locks for cabinets, lockers, drawers, access panels and similar situations. Specifically the invention embraces an electronic cam lock that fits office furniture, usually metal and wood file cabinets and other furniture units with doors, panels or drawers.
- cam locks Metal and wood file cabinets, desk and cabinet drawers, locker doors, access panels and doors, mail boxes, dispensers and other secure situations often utilize relatively simple lock mechanisms known as cam locks. Such cam locks may or may not involve a camming action. In some cases they move other mechanisms that are engaged with the door or drawer of the cabinet or engaged with other mechanisms that are linked to the door and drawer of the cabinet or multiple doors or drawers of the cabinet. In all cases except plungers, cam locks have a rotatable component at a back side.
- a cam lock on a cabinet door typically fits in a 3/4 inch diameter D-shaped or double D-shaped hole and, at the back side of the cam lock cylinder unit, has a metal blade or arm called a cam that rotates when the key is turned, from a position disengaged from surrounding cabinet hardware to a position of engagement in a slot or behind a ledge of the surrounding cabinet hardware.
- Other locks such as those for desk drawers, commonly referred as cabinet locks, involve a camming type action as the key and plug are rotated, and these are also referred to as cam locks herein.
- cam lock excludes door entry locks on commercial or residential buildings. Such locks are heavier-duty and more secure than cam locks, which are
- cam locks metal filing cabinets often utilize cam locks, but sometimes have a variation known as a plunger type lock in which a spring loaded plunger/lock cylinder located in the top horizontal margin of the cabinet, when pushed in, will lock all drawers. The use of a key releases the spring plunger to return to the outward position and unlock the drawers.
- plunger locks are also referred to as cam locks herein, even though they have no rotatable member that locks and releases doors or drawers .
- Locker and cabinet locks have included electronic locking devices, some of which utilized keypads and some of which utilized IButtons or other ID or non-volatile memory devices which work on contact to release the lock. See, for example, U.S. Patents Nos. 5,894,277, 5,886,644, 6,655,180 and
- the invention addresses these needs with a low profile and very compact electronic lock that, in one application, fits in the top one inch horizontal margin or "rail" of a steel file cabinet.
- the compact electronic locking device in one embodiment has a knob or handle that can rotate the cam lock cylinder plug or other rear-extending driver when such manual rotation is permitted by the lock electronics.
- a keypad for entry of a code may be included, and if so, the code can be either permanently set to a reprogrammable code, or set in each case by a temporary user, who can then input the same code to lock and unlock the lock, this feature depending on circumstances and function desired.
- the locking device in one embodiment is less than one inch in height (about 7/8 to 31/32 inch), about five inches in length and roughly about 3/4 inch in depth or thickness (or about 1 ⁇ 2 to 3/4 inch), as to the housing of the device.
- a cam locking device of this size will fit inside the horizontal top rail or vertical side rail, typically a space U-shaped in cross section, with the unit's keypad or access panel and the rotary knob extending through openings formed in the top rail for this purpose.
- an electronic lock of a similar size is configured for front- recess mounting. A collar or rim around the face of the housing engages against the face of the file cabinet and the approximately 3/4 inch depth of the housing extends into the cabinet .
- the housing may contain several battery cells, such as two or three AA batteries. From the back of the housing in one embodiment extends a cam lock cylinder unit which may be of conventional cam lock size, and with a length to fit the application, i.e. the depth of material and configuration where mounted. In other embodiments a dummy plug can extend back from the housing unit, or simply a driver or spindle.
- a cam lock cylinder unit which may be of conventional cam lock size, and with a length to fit the application, i.e. the depth of material and configuration where mounted.
- a dummy plug can extend back from the housing unit, or simply a driver or spindle.
- the housing can have mounting flanges, one at each end, extending essentially co- planarly with the bottom side of the unit. These mounting flanges allow for screwing or riveting the housing into the top rail from the bottom of the top rail.
- the housing body is retained closely within a preferably rectangular hole in the file cabinet, with the rim that extends from the face bearing against the face of the file cabinet.
- This configuration includes a plastic or metal receiver casing that is slipped over the body of the lock housing from the back, i.e. from the inside of the panel or drawer or door and which is then secured to the housing body by machine screws to firmly retain the lock and the casing in place.
- This casing may have a battery case at one end, or a battery case can be separately retained within the file cabinet and connected by wire or plug-in cable to the lock housing.
- the type of battery housing can be determined by space requirements.
- the same front/recess mounted electronic lock can be used for wood file cabinets or other office furniture having a thicker depth, e.g. 3/4 inch panels (as opposed to the thin panel of a steel cabinet) .
- the electronic lock includes different components at the back side of the door, drawer or panel.
- the battery case is positioned essentially flush against the back surface of the drawer or panel and can be directly behind the recess-mounted electronics housing.
- a keypad can be provided and/or a wireless terminal can be provided, which can be RFID, or NFC (near field communication) allowing cell phone access or other wireless communication, all for security in accessing the lock and/or transferring data to or from the lock.
- a wireless terminal can be provided, which can be RFID, or NFC (near field communication) allowing cell phone access or other wireless communication, all for security in accessing the lock and/or transferring data to or from the lock.
- the electronic lock device is compact and simple, at least as to mechanical elements, and without any further electronics required to be connected to the lock at the back side of the door or panel.
- the rear-extending cam or cabinet lock cylinder unit or actuator i.e. a latch or cam or driver positioned to engage with a ledge or slot or bolt or latch lock unit or multiple-drawer locking rod or other hardware to retain the door(s), drawer (s) or panel locked.
- the invention is embodied in a cam lock for a door, cabinet or drawer mountable from back of the door, cabinet or drawer such that only the user interface and knob extend through the face of the door, etc. and includes a compact electronics housing with an electronic key receptacle and a keypad, RF reader or wireless reader or IButton reader for entry of a code, a driver unit extending from a back side of the housing that matches the end of a cam lock or cam lock plug of the typical mechanical lock for engaging with a strike or other locking bars, cams or apparatus.
- the knob extends from the housing for operating the cam lock manually when permitted by the electronics. Note that the manual knob in all forms of the invention can be spring-loaded to perform an auto relock feature when applicable to the lock hardware.
- the lock is opened not by a manual knob but by an electromagnetic actuator (e.g. a solenoid or a miniature motor) within the housing.
- an electromagnetic actuator e.g. a solenoid or a miniature motor
- Return to locked position can be by an entry to the terminal (e.g. via a relock button or a re ⁇ presentation of a credential to operate the motor or solenoid, or by a spring return if a spring latch is involved) ; or it can be via a sensor determining when the drawer, door or panel is closed, using optical proximity, magnetic or mechanical sensing .
- the electronic lock devices can be fitted with an RJ45 jack or another type of jack or wireless antenna for network connectivity and external power.
- Figure 1 is a perspective view showing an item of office furniture, e.g. a file cabinet, and showing two different forms of front recess mount electronic cam locks of the invention, showing different access protocols and in both cases with a rotatable knob or handle to release the lock when permitted .
- Figure 2 is a perspective view showing a front recess mount lock as in Figure 1, the view being exploded to show components
- Figure 3 is an exploded perspective view showing the lock assembly of Figure 2 and indicating assembly, but with the cabinet not shown.
- Figure 4 is a perspective view showing the same
- Figure 5 is an exploded view similar to Figure 4 but not showing the drawer or cabinet.
- Figure 6 is a perspective exploded view similar to Figure 4 but showing a drawer or panel of thicker material, such as wood, approximately 3/4 inches thick, the electronic lock housing being the same as in previous figures but with
- Figure 7 is an exploded view similar to Figure 6 but not showing the drawer or panel.
- Figure 8 is a perspective view showing the front of a file cabinet or other item of metal office furniture, with another embodiment of the electronic cam lock of the
- Figure 9 is a view similar to Figure 8, but showing a keypad as the primary accessing feature of the electronic lock .
- Figure 10 is a perspective view similar to Figure 9, but partially broken away and exploded, revealing the position of the electronic lock housing in the top rail of the cabinet and showing cam and battery case features.
- Figure 11 is a side elevational section view showing the lock installation of Figures 8, 9 and 10.
- Figure 12 is a perspective, exploded view showing the lock assembly of Figures 8-11 but without the cabinet.
- Figure 13 is a rear perspective view showing the
- Figures 14 and 15 show different extensions for a driver.
- Figures 16 and 17 show the invention as a plunger lock.
- Figure 18 is a sectional view similar to Figure 11 but showing a modification.
- Figure 1 shows in perspective a file cabinet 10, which in this example is a metal file cabinet with multiple drawers.
- the drawing illustrates two different types of electronic cam lock according to the invention, installed in this item of office furniture.
- the lower drawer shows an electronic cam lock 12 having a keypad 14, while the upper drawer has a very similar electronic cam lock 12a but without a keypad, and instead with a wireless electronic access device 16.
- the two locks can in other respects be identical.
- the electronic access 16 can be an RFID communicating device for use with an RFID credential carried by a user, or it can be any other proximity or wireless, touch-free communication device, including NFC (allowing cell phone access) . It could use infrared or encrypted bar code (QR code) .
- Reference herein to entry of a code or access code includes PIN code for keypad locks and also other forms of wireless input, including those mentioned above, i.e. electronically-transmitted codes.
- the electronic lock 12 or 12a is shown front recess mounted in Figures 1-5 and also Figure 6 and 7.
- the lock comprises a housing 18 which has a front face 20 with a rim 22 that extends outwardly (both length and width) slightly more than a body 24 of the housing behind the face plate 20 (see Figures 2 et seq. for body) .
- the rim can extend about 1/16 inch to 1/8 inch out from the body.
- Figure 1 also shows that the lock includes a manually rotatable knob or lever 26 which can be rotated by a user once access has been authorized, rotating the cam lock plug or driver within a cylinder 28 and an attached cam or latch device directly behind the knob 26 to release the lock and allow opening of the drawer or panel.
- cylinder or "cylinder unit” as used herein is intended to mean at least a collar extending part way back from the housing, not
- a contact terminal 30 is shown on the lock, for accepting a manager's or supervisor' s utility or programming "key" device to supply power to the lock when power (e.g. battery) has failed or when an access device or PIN code has been lost, or both.
- power e.g. battery
- PIN code access device or PIN code has been lost, or both.
- This can operate in the same way as described in Patent No. 7,336,150, and the disclosure of that patent is incorporated herein by reference in its entirety.
- reference to a cylinder with a driver extending back from the housing is intended to include any rotatable element operated by the knob 26 and connected to a cam or latch device, whether an actual cylinder shell is present or not.
- a push-button 32 can be included to wake up the lock device as a power saving measure, followed up by introduction of the credential. Until the button 32 is pushed, the lock is in sleep mode and after it is pushed it looks for a credential.
- the button 32 is also used in programming functions; for example, after pushing the button for 5 seconds it puts the lock in the programming mode, allowing the insertion of the utility or programming key to be touched, followed by introduction of the credentials that allow opening of the lock.
- the keypad 14 of the lock device 12 shown on the lower drawer in Figure 1 has two additional push-button keys 34 beyond the ten numeral keys (e.g. marked "c" and with a key symbol), for instructions to the electronics. For example, the lock electronics might require one of these buttons to be pushed prior to entering a four-digit PIN, and the other of the two buttons to be pushed when the code has been completed.
- lock can be put into the programming mode by pressing C + key symbol + 55 + key, for example.
- Figure 2 shows the lock 12 in a drawer or panel 36 of metal office furniture. This could also be a door or other type of lockable panel.
- the front recess mount lock 12 is received a rectangular hole 40 formed in the panel 36 at the appropriate location.
- the panel is assumed to be sheet metal, usually steel, and typically about 12 to 20 gauge.
- the lock housing 18 When the lock housing 18 is inserted into the rectangular opening 40, the housing body 24, only slightly smaller than the opening, slips through the opening and the rim 22 around the face plate engages against the surface of the panel 36 surrounding the opening.
- the cam lock cylinder 28 or other rotatable driver extends back through the opening 40, as does nearly all the depth of the lock housing body 24, which may be about 3/4 inch in depth.
- a plastic or metal rear housing or casing 42 is assembled over the back of the housing body 24 from the inside of the drawer or other item of office furniture.
- the lock cylinder 28 passes through the back of the plastic casing 42 (hole 43) , and the casing 42 and lock housing 18 are secured together to firmly hold the lock assembly in place.
- This can be using machine screws 44 as indicated in the assembly drawings of Figures 2 and 3.
- These views also show a cam 46 of typical configuration being secured onto the rotating element at back of the cam lock cylinder 28, by another machine screw 48, such that the cam 46 rotates with the rotation of the manually-turned knob 26 to lock or unlock the panel.
- a specifically shaped (square) opening 50 in the cam secures it for rotation with the back of the cylinder driver or cylinder plug of the cylinder 28.
- a battery case 52 is separate from the lock housing and from the rear plastic case 42, connected by cables 54 and 56 and appropriate connectors to supply power to the lock housing.
- the battery casing or housing 52 which
- FIG. 1 preferably is rectangular, can be secured in any convenient and efficient way to the interior of the cabinet or other office furniture.
- it could be secured to any inside surface of the drawer shown in Figure 2, such as by
- VELCRO hook and loop fastener material as illustrated below in connection with another embodiment of the invention.
- Figures 4 and 5 show another preferred embodiment, a variation of the lock assembly shown in Figures 2 and 3 in regard to battery location.
- the exploded views of Figures 4 and 5 are the same in many respects as Figures 2 and 3, but a plastic lock body-receiving casing 42a is integral with the battery case 52a.
- the battery case 52a (which may hold three AA battery cells) preferably is integrally formed with the body-receiving casing 42a, with a battery-engaging holder 58 secured in the casing 52a and a battery cover 60 that snaps together with the battery case 52a.
- AA batteries are shown at 62.
- the body-receiving case 42a has a hole 43 through which the cam lock cylinder or driver 28 extends, and this casing may be secured to the electronic lock housing 18 by machine screws 44 assembled from the rear.
- the integral device comprising 42a and 52a of the battery-receiving components and cover may be called a rear cover and power unit of the lock assembly.
- cover/battery power unit of Figures 4 and 5 can be used when space permits at the back of the drawer or panel.
- FIGS. 6 and 7 show another variation, again with the identical electronic lock housing 12 (or 12a) , in a front recess mount, as in the drawings discussed above.
- the lock housing 12 and lock assembly are fitted into a drawer or panel 36a of thicker dimension, such as a wood desk drawer or wood cabinet drawer, having a thickness t of
- FIG. 6 The broken away, exploded view of Figure 6 indicates that the body 24 of the front recess mounted lock housing is fitted again into a rectangular hole slightly larger than the body 24, but the rear of the body 24 will be approximately flush with the back side of the panel 36a when fully inserted with the housing rim 22 engaged against the panel 36a surface.
- a rear plate 64 preferably of metal, is assembled from the rear to the
- the electronics housing preferably using machine screws 44 as described above. This tightly sandwiches the panel structure 36a between the lock housing rim 22 and the rear plate 64.
- the housing body 24 preferably is slightly less than 3/4 inch thick to allow for some variation in thickness of the panel 36a. The plate should not “bottom out” against the back of the housing body 24 but should be pulled toward a housing body by the screws 44 to make a tight
- the plate is flat since there is no need to receive any portion of the lock body 24, which does not protrude through the back of the thick panel 36a.
- the metal plate 64 has attached to it (by fasteners — pern nuts are shown at 66, fixed to the metal plate to allow a screw to be received) several plastic components as shown at 68 and 70, the latter being a battery contacting holder.
- a hollow battery cover 72 is shown for securing to the plate 66 or connected structure to close the battery compartment.
- a power cable is shown at 74, with connectors, for electrically connecting the electronic housing 18 to the power supply, i.e. batteries, the cable extending through a hole in the plate shown at 76.
- the power supply i.e. batteries
- connectors could be positioned on the back of the housing body 24 and on the battery holder 70, exposed through the hole 76, so that connection is made without wires when the plate 64 is secured to the electronics housing when the lock is assembled to a panel.
- the use of an electric cable gives more
- Figures 8 through 13 show another form of electronic cam lock and lock installation according to the invention, again in office furniture, specifically a metal cabinet or other metal office furniture 80 having a top rail 82.
- Figure 8 shows a wireless non-keypad electronic cam lock 84a with access feature such as shown in the lock 12a in Figure 1, but configured differently for inside mount.
- Figure 9 shows an electronic cam lock 84 which is identical in all respects to the lock 84a but with a keypad 14.
- the locks 84 and 84a have functions similar to those described above. All discussion of the lock 84, as regards installation of securing within the top rail 82 of the cabinet, as well as battery treatment and location, apply to the lock 84a as well. Also, all such discussion is intended to apply to a file cabinet vertical side rail as well.
- Figure 12 shows the electronic cam lock assembly 84, without the cabinet.
- the assembly includes an electronic lock housing 86 with the secure accessing feature 14, the housing being of limited height so as to fit into the top rail of metal office furniture.
- the top rail of a metal file cabinet is generally U-shaped in cross section (see
- the lock housing 86 preferably has a height of about 15/16 inch or about 31/32 inch, so as to fit within this top rail space.
- the access feature 14 defines a rectangular protrusion 88, i.e. a portion of the housing face 90 protruding slightly (no more than about 1/16 inch) from the face of the housing, that face 90 bearing against the inside surface of the front piece 92 of the top rail.
- the protrusion 88 is defined by a
- peripheral rim 88a seen best in Figure 12.
- accessing feature 14 (here, keypad and emergency access terminal 30) fit closely within a rectangular cutout provided for this purpose in the front top rail piece 92, with the rim 88a very closely fitted in the cutout, providing a neat and unobtrusive, built-in appearance as can be seen in Figures 8 and 9.
- a knob or lever 26 In addition to the access terminal, a knob or lever 26 must also be positioned at the outside of the top rail.
- a second opening, preferably circular, can be provided in the rail for this purpose as indicated in Figure 9.
- the knob or handle 26 is assembled onto the electronics housing 86 after installation of the housing in the top rail. This can be, as shown in Figures 10 and 12, by a machine screw 92 (covered by a snap-in obscuring insert 93) , and with the knob having a shank 94 of specific shape, such as a D shape, so as to fit in an oriented position in a similar-shaped socket 96 of the electronic cam lock housing.
- This rotatable socket 96 then operates the cam lock, turning the rotatable member 29 of the cam lock cylinder when
- a single opening could be provided through the front rail piece 92 to accommodate the access feature 14 and the knob together, preferably with a relieved rim surrounding both and fitting closely within the cutout opening.
- inside-mount electronic cam housing 86 could be secured to the top rail front piece 82, as by machine screws or rivets, in this preferred embodiment the attachment is all internal and not exposed, via side-protruding
- lock housing 86 could be inside-mounted in a vertical side rail of a file cabinet .
- Figure 10 shows the cam lock assembly 84 fitted with a type of cam 104 that raises and lowers a rod (not shown) for simultaneously locking or unlocking a series of file cabinet drawers, which is an important application for this inside- mount, rail-contained form of cam lock.
- This is the same hardware used with conventional cam locks that simply rotate with a key, and the electronic lock 84 substitutes for the conventional device, in the same location in the cabinet.
- all locks herein are located with lock cylinder at the same location as for conventional cam locks, so that the same internal hardware of a manufacturer can be used.
- Figure 11 shows the electronic cam lock 84 with a typical offset cam 46 as the locking element, similar to what is shown in Figures 2- 7.
- a battery case 106 that generally is not secured at the back of the electronics housing 86.
- the battery case 106 can conveniently be secured to the electronics housing by cables 54, 56 and connectors 54a, 56a, and with the casing secured to the underside of the top panel 107 of the file cabinet such as using self-stick VELCRO hook and loop fastener material 108. This is shown in Figures 10, 11 and 12. Other positions for the battery case are also possible, but retaining it within the height of the top rail 82 assures there will be no interference with action of the top drawer.
- Figure 13 shows the electronic cam lock housing unit 18 from the back side, as in Figures 1-7, showing the rearwardly protruding housing body 24, the laterally protruding mounting rim 22 and the cam lock cylinder 28 and rotating driver 29, and also revealing the optional inclusion of an RJ 45
- a cable 112 with an RJ 45 connector 114 is shown in position to be plugged into the receptacle.
- the cable 112 can power the lock with line power in lieu of batteries, and also hook up to a data network simultaneously.
- a data network is useful in a network of office furniture, such as file cabinets, to provide a record of entries to the cabinets and also, when desired, to control who may gain access to which file cabinets at specific dates and times. With a network, this access control can be set up and monitored from a secure central location.
- the electronic cam locks of the invention are wired for networking, this could be either individually or in groups.
- the wiring can be done as part of a bus system where the locks can be wired for data, with the same cable also providing power. This can allow the units to be wired and receive data such as access data.
- a data network can be established using a WiFi for a group of locks, and access and/or audit data can be transmitted to and from the locks from a central location, via the WiFi or Internet connection.
- the information can be distributed to all locks in the system either individually or as a whole, but with data coded for particular locks as needed.
- Figures 14 and 15 demonstrate that an electronic cam lock according to the invention, including any of the embodiments, can be fitted with any desired length of extension of the rotatable cylinder shaft or driver.
- These drawings show extensions 115 and 116 of different lengths.
- the initial shaft from the cylinder 28 is relatively short, but the shaft or driver can be extended to any desired length to achieve the correct length required for the application.
- the extension is secured to the shaft or driver via a machine screw 118 of appropriate length.
- Figures 16 and 17 show a plunger lock 120 constructed according to the invention, with a keypad 14 or a wireless access 16 such as shown in other embodiments.
- the lock 120 is shown as having a front-recess mounting housing, as in Figures 1-7, but it could be an inside-mount as well, as shown in Figures 8 et seq.
- the plunger 122 is spring-biased outwardly to the position shown in Figure 16, which is the unlocking position.
- the user pushes inward on the plunger with sufficient force to overcome the strain and mechanical
- Figure 18 a cross section in elevation similar to Figure 11, shows that in a variation of the invention, the k nob or handle is eliminated.
- An internal electromagnetic actuator e.g. a solenoid or motor M, rotates the driving element or plug that moves the cam 46 (or latch or other mechanical latching device) .
- Unlatching occurs when the proper code or ID is received in the terminal 14. Re-latching can occur by sensing when the door or drawer is closed (optical,
- Patents Nos. 8,495,898 and 8,490,443, as well as Patent No. 7,336,150, and copending application No. 13/945,695 are incorporated herein by reference. All disclosure regarding drivers, networking, antennas, different types of wireless access reader protocol, emergency access or power loss, and other features can be applied to the locks disclosed herein.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Drawers Of Furniture (AREA)
- Lock And Its Accessories (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/945,695 US9208628B2 (en) | 2007-05-30 | 2013-07-18 | Electronic locks particularly for office furniture |
US14/280,516 US9222284B2 (en) | 2007-05-30 | 2014-05-16 | Electronic locks particularly for office furniture |
PCT/US2014/047167 WO2015010004A1 (en) | 2013-07-18 | 2014-07-18 | Electronic locks particularly for office furniture |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3022372A1 true EP3022372A1 (en) | 2016-05-25 |
EP3022372A4 EP3022372A4 (en) | 2017-02-22 |
EP3022372B1 EP3022372B1 (en) | 2019-11-20 |
Family
ID=52346745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14826318.9A Active EP3022372B1 (en) | 2013-07-18 | 2014-07-18 | Electronic locks particularly for office furniture |
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EP (1) | EP3022372B1 (en) |
WO (1) | WO2015010004A1 (en) |
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JP2020522624A (en) | 2017-06-02 | 2020-07-30 | ロック・セカンド・エル・エル・シー | Device and method for providing a lock to prevent unwanted access to a locked enclosure |
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Publication number | Priority date | Publication date | Assignee | Title |
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US5887467A (en) * | 1994-03-30 | 1999-03-30 | U-Code, Inc. | Pawl & solenoid locking mechanism |
US5894277A (en) * | 1996-03-12 | 1999-04-13 | Security People, Inc. | Programmable digital electronic lock |
US5845524A (en) * | 1996-05-21 | 1998-12-08 | Koehler; Joseph E. | Lock assembly |
US6791450B2 (en) * | 2001-07-31 | 2004-09-14 | Security People, Inc. | Networked digital locker lock system |
US8490443B2 (en) * | 2006-05-31 | 2013-07-23 | Security People, Inc. | Electronic lock for cabinet doors, drawers and other applications |
US8495898B2 (en) * | 2006-05-31 | 2013-07-30 | Security People, Inc. | Cam lock with retractable bolt |
US7901017B1 (en) * | 2007-07-02 | 2011-03-08 | Corry Contract, Inc. | Security file cabinet with self-closing, self-locking drawers |
US8770633B2 (en) * | 2007-10-13 | 2014-07-08 | Southco, Inc. | Latch actuator and latch using same |
-
2014
- 2014-07-18 WO PCT/US2014/047167 patent/WO2015010004A1/en active Application Filing
- 2014-07-18 EP EP14826318.9A patent/EP3022372B1/en active Active
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Also Published As
Publication number | Publication date |
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WO2015010004A1 (en) | 2015-01-22 |
EP3022372A4 (en) | 2017-02-22 |
EP3022372B1 (en) | 2019-11-20 |
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