Class 33/540 - Cylinder lock tumbler decoder

Subclass of Class 33 - Geometrical instruments
Definition: Subject matter wherein the contact each pin or lever of
No. of patents: 24
Last issue date: 08/23/2011

Number	Title	Issue Date
8001699	Electronic key impressioning (EKI) device, method and program product An electronic device for impressioning a lock comprises a housing having a key decoder secured to the housing and a connector for connection to electronic circuitry. A key decoder portion extends from the housing for insertion into a keyway. A groove extends along a...	08/23/2011
7958647	Lock-bumping and lock-picking detection A system for controlling access to a secure area includes a lock and an electronic access device for controlling access to a secure area. The lock includes pins for locking and unlocking the lock. The access device communicates with the pins for electrically measuri...	06/14/2011
7941934	Method for identifying keys for controlling locks A system for controlling access to a secure area includes a lock and an electronic access device for controlling access to a secure area. The lock includes pins for locking and unlocking the lock. The access device communicates with the pins for electrically measuri...	05/17/2011
7895763	Tool for deciphering the depths or cuts on a key from the lock itself The objective of the invention is to allow the user to decipher the cuts (aka. depths) on a key from the lock without disassembling the lock. The current wafer lock readers on the market rely on a sensitive touch to operate and/or do not give the exact depths to rec...	03/01/2011
7614158	Methods and devices for decoding locks The decoding of a lock, such as a pin tumbler type of lock, is completed by utilizing a method that includes the insertion of a key blank or other material with one or more reference indicators on a modifiable surface, into a keyway of the lock. The key blank is ins...	11/10/2009
6722172	Method and apparatus for decoding locks An apparatus for decoding locks having a series of parallel spring-urged slideable members includes a probe device having the general contour of a key expected to fit the lock. The probe device has a shank portion having straight upper and lower edges. A series of t...	04/20/2004
6382007	Electro-mechanical system for determining key cuts for tumbler and wafer locks A system for decoding locks having a sequence of spring-urged sliding members such as tumbler pins or wafers includes a probe device having the general contour of a key having a head portion and a straight shank fabricated of electrically insulative mater...	05/07/2002
6148652	Picking tool for a disc tumbler lock A lock picking tool for a high security four-track disc tumbler lock, the tool probing all four tracks simultaneously....	11/21/2000
6134928	Method and apparatus for decoding lock cylinders A method and apparatus for decoding locks having a guide member, an alignment member, a reader, and a recording medium, which a guide member is inserted into a lock to open the lock to receive an alignment member which aligns the tumbler members of a lock...	10/24/2000
6082159	Pocket lock pick A compact lock pick assembly constructed and configured to be carried in a shirt pocket comprising the combination of a lock pick tool that is retractable into a generally tubular handle and a tension tool mounted on the tubular handle to act as a pocket ...	07/04/2000
5325691	Method and apparatus for use in picking and decoding sidebar locks The present invention relates to lock picking and decoding tools and a method of using the same. The lock decoding tools comprise a torquing tool, a picking tool, and decoding tools. The method comprises using the torquing tool to bias the locking bar out...	07/05/1994
5224365	Side bar lock decoder A side bar lock decoder has a pair of guide plates laminarly arranged between a pair of side plates. Key portions of the plates have notches spaced for alignment with the lock wafers. Narrow passages between the guide plates extend from each of the notche...	07/06/1993
5172578	Locksmith tool An apparatus for determining lengths of locking elements in locks including a key head and wires maintained on the key head and extendable into the lock cylinder for measuring lengths of the lock pins. The distance that the wires will go into the depth of...	12/22/1992
5133202	Disk tumbler lock decoder A decoder is provided for disk tumble locks which is electrically rather than mechanically operated. A plurality of separate keys each has a blade sufficiently long to extend through all of the disks in the lock. At least one cut is provided in the blade ...	07/28/1992
4869085	Cylinder lock and key A cylinder lock and key includes one or more lateral ribs extending from a flat key and formed of a shape memory material. Auxiliary lock pins arranged in a cylinder core read the shape of the lateral ribs of the key and enable the lock to be opened only ...	09/26/1989
4680870	Device and method for decoding cylinder locks A device for decoding a cylinder lock of the wafer type includes a main portion having a shank similar to an uncut blank for a key for a particular lock and a thin feeler which slides along one side of the portion resembling a key blank. A notch is define...	07/21/1987
4667494	Tool set and method for opening and decoding locks A tool set and a method of opening and decoding a side bar lock employing wafer type tumblers. A spring compressor tool configured for insertion into the lock mechanism keyway raises all the tumblers to a radially outward position and compresses the sprin...	05/26/1987
4638567	Key decoding device for automobiles A device for precisely measuring the depths of cuts of a Mercedes Benz key at the critical depth locations which determine the unique characteristics of each such key. In a first embodiment for measuring a single shelf key, the key is measured by a projec...	01/27/1987
4535546	Locksmith tool apparatus for determining length of locking elements in locks Locksmith tool apparatus determines the length of a locking element in a lock by engaging a locking element inside a lock and by moving the element to compress a compression spring to a known minimum length and by measuring the distance moved. By subtract...	08/20/1985
4517746	Method and apparatus for decoding wafer combination locks A probe for manually decoding a lock of the wafer combination type having an elongate body to slideably engage the keyway, the body comprising at least two hollow tubular members. Within the hollow members are rotatably disposed detecting members which de...	05/21/1985
4400956	Skeleton key kit A key kit for opening tumbler locks has a key member with a shaft insertable into a tumbler lock, the shaft having a series of longitudinally-spaced recesses into which the tumblers in the lock can respectively enter. A foil of impressionable material is ...	08/30/1983
4229959	Method and apparatus for opening a lock A novel method and apparatus for opening a magnetic cylinder lock of the type having an outer cylinder, a rotatable inner cylinder disposed within the outer cylinder, one or more magnetic pins disposed within chambers of one of the cylinders for engaging ...	10/28/1980
4186577	Lock opening device A device for opening a lock without the use of a key cut to the specific tumbler configuration of the lock, said device comprising a holder having a key blank corresponding to the key slot formed in the lock core mounted at one end thereof. A resilient me...	02/05/1980
4185482	Lock decoding mechanism A mechanism for opening and/or decoding the biddings of a key for opening a cylinder lock. The mechanism comprises a housing having a forward projection shaped in the form of a key body and an abutment surface spaced from the forward projection disposed t...	01/29/1980

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Class 33/540 - Cylinder lock tumbler decoder