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| Number | Title | Issue Date |
| 6920770 | Plunger lock assembly with removable core A plunger lock assembly having a removable core is provided. The lock assembly includes a housing defining a first longitudinal bore and a barrel reciprocably mounted within the first longitudinal bore between an advanced position and a retracted position. The barre... | 07/26/2005 |
| 6536307 | Device for operating a cashbox closure mechanism Boxes containing banknotes are secured by a mechanism utilizing a latch plate that can be removed and replaced automatically by a device of which the parts include a top slide equipped with a pivoting arm and a pusher designed to hold the latch plate stea... | 03/25/2003 |
| 6449833 | Automation apparatus for installing and removing a metal finishing barrel locking cover A metal finishing barrel side opening has a cover secured by a series of cover and barrel tabs, the cover slid into a secured position with the cover tabs partially overlain by the barrel tabs. A locking handle member assembly includes a graspable portion... | 09/17/2002 |
| 6295725 | Capping system and method A method and apparatus for the installation of interchangeable core lock caps that replace the prior art individual cap installation techniques with one that, with in a single highly repeatable operation, punches the caps for a plurality of pin chambers f... | 10/02/2001 |
| 6021655 | Interchangeable core lock repinning apparatus An all-in one tool usable by the locksmith in servicing of interchangeable core locks, for lock pin removal and decoding, and lock core repinning and recapping. The tool comprises a body having a central core receiving channel extending therethrough; a pl... | 02/08/2000 |
| 5628109 | Lock cylinder maintenance tool A tool for effecting inspection, maintenance and/or replacement of pins within a lock cylinder. The inventive device includes a cylindrical portion having an outside diameter corresponding to a diameter of a plug being removed from a lock cylinder. A non-... | 05/13/1997 |
| 5450662 | Apparatus and method of rebroaching a lock assembly A previously used lock assembly constructed for operation using a given key may be operated by a different key after rebroaching. Instead of requiring an expensive, complete replacement of a lock assembly and its operable keys, the present invention allow... | 09/19/1995 |
| 4982493 | Extraction device for lock cylinders Loss of the key to a lock equipped with a lock cylinder has the result that the respective lock can be opened only with a considerable loss of time and expenditure of funds. This problem is solved in that an extraction device is provided for lock cylinder... | 01/08/1991 |
| 4707903 | Method and apparatus for pulling a nose plug from a lock A nose plug puller for a Mosler type lock allows the nose plug to be pulled without damaging the nose plug or the lock, thereby saving time and cost. A key pin is inserted in the key slot and rotated until the end thereof is out of registry with the key s... | 11/24/1987 |
| 4680860 | Apparatus for disassembling locks An apparatus for use by locksmiths in disassembling the core of an interchangeable core cylinder lock. The apparatus holds the core securely and precisely, enabling a punch to extrude the springs, driver pins and spacer rods of the pin chambers into retai... | 07/21/1987 |
| 4675994 | Locksmith's tool for installing springs and driver pins into pin tumbler locks A hand-held tool for gripping and manipulating pins of pin tumbler locks. The tool is comprised of an elongated rigid handle having a forward extremity equipped with two interactive prongs capable of adjustable flexural movement. The prongs can be pressed... | 06/30/1987 |
| 4663839 | Cabinet lock A cabinet push lock has a key plug held by a retaining pin engaged in a circumferential groove in the key plug and mounted in a bore coplanar with the pin tumbler bores. The pin tumbler stacks are held in their bores by an elongated cap mounted in a groov... | 05/12/1987 |
| 4305314 | Tool for changing master pins in an Almont lock A partially cutaway circular cylindrical tool for changing the master pins in an Almont lock is presented. The tool is fixedly coupled at one end along its axis to a handle which may be a key handle. At the opposite end, the tool comprises a plug stop whi... | 12/15/1981 |
| 4021902 | Coiled vibratory feeder A coiled vibrating feeder is provided for individually feeding a plurality of workpieces. An elongated enclosed tubular passageway is formed, preferably by coiling an elongate tube into a bundle having a plurality of generally concentric coil turns and in... | 05/10/1977 |
