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storage-cabinet-locking-mechanism-error The spring 13 holds the locking bar 4 in its raised position even when the upper drawer 1 is opened fully and the actuating tag 5 is no longer urged upwardly by the cam track 7. Each drawer carriers on its side an activator rail which is disposed at right angles to the column. When the channel member 2 is upright a metal ball 42 lies at the bottom of a recess 43 in the member 40, the ball then being in the position A in FIGS. The improved cabinet as recited in claim 1 characterized by further including means associated with said case for limiting the degree of axial displacement of each of said storage cabinet locking mechanism error elements in storage cabinet locking mechanism error single axial direction to substantially one half of the thickness of one of said rails whereby said snubber elements are permitted to be displaced only so caibnet as to permit a single rail to penetrate through said etorage lock bar. If one of the drawers is opened, the resulting vertical displacement of the locking bar causes the flag 16 to move into the position 16' indicated in full lines, while the roller 18 remains stationary.

If you take standard file cabinet locks at face value, they are not very secure. Many of the locks that furniture manufacturers place on their file cabinets are simple and standard locks, which serve the simple purpose of keeping the cabinet locked. Simply keeping something locked, when there is no force being applied to it, is not a very good metric for security.

If a lock is not capable of keeping the contents of the file cabinet secure, then it is not a secure mechanism. In order for a lock to be considered secure, it has to be able to withstand some amount of force , as well as keep its contents secure from a myriad of threats.

The use of relatively simple locks on these filing cabinets is not the only security flaw that filing cabinet locks have. If you know anything about locks by now, you will know that every lock has a key and said key plays a vital role in the overall security of the lock it is paired with. Most file cabinet locks are paired with keys that have specific key codes printed on them.

This makes it very easy for someone to make a duplicate of your file cabinet key if they so desire. If you look at a lock and are able to conjure up multiple easy ways to break into it, then it should be a clear sign that the particular lock is not a reliable security option. As far as security goes, the file cabinet locks that most manufacturers place on their cabinets are hardware props and nothing more. Aside from the fact that the keys have their own vulnerabilities, there is the added vulnerability that these locks can be easily picked or forced open with a little application of force.

The lockpicking methods that would be used on file cabinet locks are very similar to the lockpicking methods you would use on any residential lock. The only difference in this process is the fact that residential locks have been built to withstand many of these bypass measures. A lot of this is done by implementing anti-pick, anti-drill, and anti-snap measures. When it comes to a file cabinet lock even in some of the higher end models , the security can easily be threatened by something as simple as a hammer that is applied with enough force.

Manufacturer installed file cabinet locks are difficult to trust, and for good reason. Some of these locks can be opened in under 30 seconds by an object as accessible as a nail clipper. Now, do not take this to mean that every file cabinet lock that you come across has subpar security.

Many lock companies have realized the need for better file cabinet lock security, and they have made locks that are meant to offer up much more security. I believe that if you still want to utilize file cabinets within your office or your home, then you should make it a point to contact a locksmith to install new locks , rather than settling with those that are given by the manufacturer. Since there is a lot of information to digest in the section above, I want to highlight the important aspects of file cabinet locks before we moved on:.

This section will be brief, but I simply wanted to take the time to compare the security of standard file cabinet locks with some of the other locking mechanisms that have been discussed on this blog. Comparing the effective natures of these different security mechanisms helps put the security of file cabinet locks in perspective. If you make the assumption that most residential and commercial locks are far stronger than file cabinet locks, you would be right for the most part.

You might be tempted to think that the reason behind this is a simple matter of size. I mean, if it is a much smaller lock, it should be easier to bypass and damage, no? This is why vaults are much more secure than your average commercial door lock. The truth is, the size of the lock does not always reflect its level of security.

The main reason why most residential and commercial locks are more secure than file cabinet locks is not due to their size. Rather, it is due to the materials that are used to construct them, as well as the layout of their internal locking mechanism. Many residential and commercial locks are constructed out of steel Storage Cabinet Locking Mechanism Name alloys and other robust metals that make them harder to cut through and tamper with.

If you compare these locks to a simple file cabinet lock, there is no way you would choose the latter as the more secure option. The entire column or locking bar 7 is resiliently biased by a plurality of springs 18 to assume a central equilibrium position.

With this construction the bar and its elements may be displaced to either of two opposite axially displaced positions. If springs 18 are suficiently strong, only the axially uppermost and lowermost snubber elements need be biased in this manner. With less strong springs, however, it might be desirable to resiliently bias each and every snubber element.

Each drawer of the cabinet is outfitted with an activator rail 10 which is carried on the side of the drawer in a position, when the drawer is closed, adjacent to the point of abutment of two adjacent snubber elements 9. The leading end 11 of activator rail 10 is preferably pointed or tapered to have two oppositely inclined camming surfaces 12 so that movement of the drawer in an outwardly direction causes the leading end and eventually the entire activator rail 10 to be insinuated between the adjacent rollers 13 of adjacent snubber elements.

It will be understood that this such insertion causes the snubber elements above the drawer to be displaced axially upwardly while the snubber elements below the drawer are simultaneously displaced axially downwardly.

As can be seen, displacement of the snubber elements in the column causes a roller 13 to be moved to a position which blocks subsequent outward movement of each of the activator elements of each of the remaining unopened drawers. In this manner, the action of opening one drawer effectively precludes subsequent opening of any other drawer of the cabinet.

Furthermore, it can be seen from an examination of the figures that simultaneous opening of more than one drawer is also effectively prevented since simultaneous opening of at least two drawers would require the physical compression or distortion of the snubber element or elements 9 intermediate the activator rails 10 of the two drawers being simultaneously opened. Since snubber elements 9 are constructed of rigid structural material and rollers 13 are fixedly positioned on the ends of their respective snubber elements, compression or distortion of the intermediate snubber elements is an impossibility under loads normally expected to be encountered during normal operation of the filing cabinet.

An additional feature of the invention which prevents simultaneous opening of two or more drawers of the filing cabinet can be found in the manner in which the snubber elements are mounted for axial reciprocation within structural channel 8 of the filing cabinet. Each snubber element 9 lies within the channel 8 while rollers 13 lie on the exterior of the channel. Axle members 14 as best seen in FIG. Slots 15 are dimensioned to be substantially equal to the sum of the diameter of roller 13, the diameter of the axle 14, and the vertical thickness of an activator rail This being the case, each roller 13 and each snubber element 9 is permitted an axial deflection in either direction which is limited to one-half of the vertical thickness of the activator rails 10 by the axial limits of the slots 15 formed in channel 8 with the effect that each of the snubber elements is locked in its axially displaced position when one of the doors has been opened.

As can be seen best in FIG. Slot 21 includes a short dog-leg portion 22 at its innermost end adapted to receive shank Depressions 26 are formed at the innermost end of activator rail 10 and cooperate with rollers 13 when the drawer has been pulled out to an extended position. It may further be desirable, as shown at the trailing end of activator rail 27 to taper the rail so as to facilitate insertion of the rail 10 in between adjacent rollers 13 when the drawer is originally inserted into the cabinet.

The just described structure functions in a manner which permits the drawer to be moved to a position external to the cabinet 1 while being supported thereby so that the full filing depth of the drawer 2 can be used when the stored materials are to be drop filed.

This feature minimizes the necessary depth of the cabinet. Upon first outward movement of drawer 2, leading end 11 of activator rail 10 insinuates itself between adjacent rollers 13 thereby causing displacement of the snubber elements 9 in the column. As outward movement of the drawer 2 causes stud or shank 19 in slot 20 to move outwardly beyond rollers 13, activator rail 10, under the influence of snubber elements 9, is caused to rotate slightly upwardly so as to withdraw stud 28 from dog-leg 22 of slot This action releases the "floating" activator rail 10 so that the friction between rail 10 and wheels 13 causes the activator rail 10 to lag behind the drawer 2 as it moves to its extended position.

Depressions 26 assist further in this action as rollers 13 encounter the depression. As a result, as can be seen from FIG. It will be appreciated that dog-leg 22, provided for receiving support pin 28, prevents the "floating" type action of activator rail 10 upon first movement of the drawer from its fully inserted position.

Accordingly, since support pin 28 is received within dog-leg 22, thereby temporarily preventing activator rail 10 from moving relative to the drawer 2, initial outward movement of the drawer causes the leading end 11 of activator rail 10 to force itself between adjacent snubber elements to cause the remaining drawers in the cabinet to be immediately locked in their full in positions.

This feature results from the co-action between laterally projecting locking pins 16, carried by snubber element 9, and a C-shaped opening 17 formed in a side flange of each of the doors 3 of the cabinet.

When snubber elements 9 are in their central equilibrium positions, the opening of C-shaped slots 17 on each of the drawers is such that each door may be horizontally pivoted around its upper horizontal hinge from a closed to an opened position with pin 16 moving freely through the centrally located exit opening of the slot Deflection of locking pins 16 in either direction resulting from deflection of the snubber elements 9 produced by the opening of one of the drawers 2, causes pins 16 to be moved to an axially displaced position in slot 17 which prevents subsequent outward movement of respective closed door 3.

Accordingly, not only are all unopened drawers prevented from subsequent opening by the locking anti-tip mechanism of the present invention, but also each previously unopened door 3 is prevented from subsequent opening. The above described structure is also useful as a means for permanently locking both drawers and doors in their closed positions when lock cylinder 4 is depressed to assume its locking mode.

Such depression causes the locking linkage 5 to actuate camming member 25 in a manner which engages the pin 23 fixed to the upper end of the top snubber element 9. The interaction of camming member 25 and pin 23 causes the vertically downward displacement of all of the snubber elements 9 in the segmented column 7 so that both the door locking pins 16 and the drawer locking rollers 13 are moved to their respective locking positions.

Since the construction of many such filing cabinets is such that doors 3 are made out of relatively broad sheets of sheet metal, it is desirable to cause both sides of the door 3 to be locked at the same time as opposed to providing locking of only one side. Accordingly, locking bar 6, which may either be a segmented column having snubber elements as already described, or a solid vertically extending bar, is also provided with locking pins 16 which are received within C-shaped slots 17 formed on the opposite ends of doors 3.

In this manner, actuation of lock cylinder 4 and the concomitant operation of linkage 5 causes pin 23 on the upper end of locking bar 6 to be axially deflected downwardly to cause corresponding locking pins 16 to be moved into a position which engages the opposite sides of the doors 3 so that each door is locked from both of its opposite sides.

What is claimed is: 1. An improved cabinet of the type having a case with a plurality of horizontally movable components mounted therein, the improvement characterized by an anti-tip mechanism for preventing more than one component from being opened to its fully extended position at one time, said anti-tip mechanism comprising: a a segmented lock bar extending adjacent each of said components, Storage Cabinet Locking Mechanism Korea said lock bar comprising a plurality of longitudinally extending snubber elements axially aligned in end-to-end abutment, said elements being resiliently mounted within said cabinet on said case to permit movement in opposite directions from a central equilibrium position to first and second opposite axially displaced positions; and.

The improved cabinet as recited in claim 1 characterized in that each rail has a pointed leading end formed of a pair of oppositely facing leading surfaces each inclined to both the longitudinal axis of said lock bar the longitudinal axis of said rail.

The improved cabinet as recited in claim 2 characterized in that said snubber elements include rollers at their abutting ends thereby facilitating the insinuation of said pointed end of the respective rail therebetween and subsequent movement of said respective rail between adjacent snubber elements.

The improved cabinet as recited in claim 1 characterized by including a spring biasing member associated with each snubber element for resiliently biasing it to its central equilibrium position.

The improved cabinet as recited in claim 1 characterized by further including means associated with said case for limiting the degree of axial displacement of each of said snubber elements in a single axial direction to substantially one half of the thickness of one of said rails whereby said snubber elements are permitted to be displaced only so much as to permit a single rail to penetrate through said segmented lock bar. The improved cabinet as recited in claim 5 characterized in that said means for limiting the axial displacement of said lock bar includes a channel mounted on said case within which said snubber elements are mounted, said channel including a plurality of slots and at least one member projecting from each of said plurality of snubber elements through one of said slots, whereby movement of each snubber element is limited by the axial extent of at least one of said slots.

The improved cabinet as recited in claim 6 characterized in that said projecting members are the axles of a plurality of rollers each disposed at an end of a respective snubber element, said rollers, said snubber elements, and said rails being disposed so that the end of each rail is adjacent to a pair of adjacent rollers each carried by one end of a different member of a pair of abutting snubber elements whereby outward movement of said component and said rail forces said rail between said pair or rollers while concomitantly causing each of said snubber elements to be axially displaced substantially to the limit of its permitted travel.

The improved cabinet as recited in claim 1 characterized in that each activator rail is mounted on the side of a different one of said components by means for permitting said rail to extend in back of its respective component when fully extended, whereby the component is permitted to be extended to its fully extended position without causing said rail to be withdrawn from between the displaced adjacent snubber elements.

The improved cabinet as recited in claim 8 characterized in that said rail mounting means includes a pair of horizontally extending slots formed in the side of said rail, and a pair of rail supporting shanks mounted on the side of the component, each shank extending into one of said slots, one slot including a spur portion extending laterally from the main body of said one slot, said spur portion adapted to receive therein its respective shank.

The improved cabinet as recited in claim 1 further characterized by including a door for each component, said doors being movable from a closed, component blocking position, to an open, component releasing position, said segmented lock bar including means for engaging and locking each closed door when one component of said cabinet is moved to its extended position. The improved cabinet as recited in claim 10 characterized in that said engaging and locking means includes a plurality of lugs carried by said segmented lock bar and a lug receiving opening formed in a portion of each for, said opening having a profile which permits one of said lugs to be inserted thereinto and withdrawn therefrom when the snubber element carrying the lug is in its central position but which prevents withdrawal of the lug therefrom when the snubber element carrying the lug is in one of its two displaced positions.

The improved cabinet as recited in claim 12 characterized in that said cabinet is of the lateral file cabinet type having vertically arranged storage units and doors, each of said doors being hung for pivotal movement about a horizontal axis, and characterized in that said lock means includes means for concurrently locking both sides of each door when in its locking mode.

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