Bizarre Patents
A portable partition for use in an automobile having a seat with a seat bench and a seat backrest.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7340929 | Axially rotative rekeyable lock A lock apparatus able to be installed in a structure comprising an outer sleeve having a plurality of outer rows extending transversely therethrough and radially therearound and a first bore extending though substantially a center thereof. An inner sleeve having a s... | 03/11/2008 |
| 7325426 | Safe electromagnetic lock A safe electromagnetic lock including a first bolt provided with an elastic fastener, an elastic slide bolt positioned on an end of the first bolt, an electromagnetic device connected to a computer and a second bolt. The computer controls induction of the elastic fa... | 02/05/2008 |
| 7260965 | Locking device A locking device, which mounts a user key (the first key) and a manager key (the second key) separatedly, places a first lock and a second lock unitedly in an outer cylinder. The first lock is opened or rotated by the first key. After the first lock is open, the fir... | 08/28/2007 |
| 7140209 | Padlock with fully integrated dual locking systems By providing two separate and independent locking systems formed in a single padlock, with both locking systems independently enabling the single shackle to be released and/or lockingly engaged, an effective, easily produced, multi-purpose padlock is achieved. In th... | 11/28/2006 |
| 7047773 | Combination lock and padlock combination Provided is a combination lock and padlock combination comprising a housing include a window; a tumbler wheel assembly; a cylindrical moveable bar inserted through the tumbler wheels; a locking mechanism including a U-shaped member fixed at the bar, a rectangular sh... | 05/23/2006 |
| 7047778 | Vehicular lock apparatus and method In some embodiments, lock assemblies are disclosed which have a housing, a barrel, and at least one tumbler. In some cases, the lock is codeable after the lock assembly has been assembled. Although not required, some embodiments can be re-coded to a new code with an... | 05/23/2006 |
| 6935146 | Changeable lock assembly A lock assembly has a housing, a cylinder, a main adjusting pin assembly, a sub-adjusting pin assembly and multiple locking pin assemblies. The housing has multiple sets of pin holes, two main adjusting holes and two sub-adjusting holes. The three holes of the sets ... | 08/30/2005 |
| 6612142 | Guard side passive two key lock A safety deposit box lock assembly has a housing and latch bolt carried by the housing. The latch bolt is movable between a locked and an unlocked position relative to the housing. A guard lock is provided as part of the lock assembly and is movable by a ... | 09/02/2003 |
| 5941107 | Electronic lock with manual override The present invention relates to an electronic lock having first and second disposed in axial alignment is provided. A first key inserted into the cylinders of the electronic lock sends an electronic signal to a solenoid which retracts a stopper from enga... | 08/24/1999 |
| 5839302 | Locking device with two simultaneously actuated cylindrical plugs A locking device includes a lock body with two blind bores and a shackle with two parallel arms for insertion into the bores. The lock body further includes two key-actuated cylindrical plugs, an accommodation chamber disposed therein proximate to the plu... | 11/24/1998 |
| 5727407 | Security device for exit doors An exit door has a security device comprising a flexible member, e.g. a chain, for connecting two locking devices which may be fixed on a door and doorway or on double doors. The first locking device is operable by a first key removable only when the lock... | 03/17/1998 |
| 5573098 | Card-activated lock mechanism A lock adapted to be used in conjunction with a slidably insertable card comprises a front housing segment and a rear housing segment, a bolt movable along a slide path from a normally open position to a fully locked position, a card housing, a lockout me... | 11/12/1996 |
| 5388435 | Lock To prevent the unauthorized unlocking of van doors equipped with safety rod locks, the lever of the safety rod lock is held to the door by a retainer clip. The retainer clip has an extending tongue with apertures in it that passes through the door into th... | 02/14/1995 |
| 5316136 | Condom case with dual locking mechanisms A condom case is provided that houses one or more condoms within an enclosure having two distinct and interdependent locking mechanisms. Two separate keys must be employed simultaneously to disengage the locking mechanisms and open the condom case. The co... | 05/31/1994 |
| 4866970 | Apparatus for the continuous shearing off and cold swaging of metal workpieces Apparatus for the continuous shearing off and cold swaging of metal workpieces, particularly wire material, comprises a device (1') for feeding the material (5), a pivotable shearing device (2), a slide (1) for swaging the sheared-off part, and a die-stud... | 09/19/1989 |
| 4865248 | Post office locker A post office locker allows for delivery and safe storage until pickup of packages in one or more storage compartments each fitted with an access door provided with a custodian lock under the sole control of a mailman and an access lock adapted to be oper... | 09/12/1989 |
| 4803902 | Reencoding of locks An adjustable and encodible lock for room doors, safe deposit boxes or the like, under utilization of two separate lock structures includes two separate sets of tumblers possibly arranged vertically one above each other; a main slide coupled to an existin... | 02/14/1989 |
| 4729327 | Security box protection means A security box with a door combined with an electricity charged cover, an alarm, an electrical insulator inner cover between the box and charged cover, an electrical insulator outer cover outside of the charged cover, switch means for activating the alarm... | 03/08/1988 |
| 4723569 | Lock mechanisms A lock mechanism for a rotatable stub such as the operating shaft of a fluid flow control valve has a main body 10 connected to a drive member 12 adapted for mounting on the rotatable stub. A locking sleeve 17 is adapted to fit closely to the machine (e.g... | 02/09/1988 |
| 4704884 | Double-acting locking device for joint control A double-acting locking device of the axial pin tumbler type for joint control. A rotary plug, a control plug, a master plug and a stationary plug fit in contact with each other within a cylinder. Connections and disconnections between those plugs are eff... | 11/10/1987 |
| 4656852 | Lock with a double locking mechanism for a safe, bank compartment or the like The present invention relates to a lock with a double locking mechanism comprising a first locking mechanism having tumblers movable by a first key to authorize the operation, by means of a second key, of a second locking mechanism comprising a bolt assoc... | 04/14/1987 |
| 4655062 | System of interconnected lock-cylinders A locking system comprising a housing, first and second lock cylinders each including a disk having an extension, each of the disk being rotated by a suitable key, a thrust bar having notches to receive the extensions and having a locking position for whi... | 04/07/1987 |
| 4641507 | Lock mechanism A protection system for preventing unauthorized entry through a door member. An electrically charged cover is placed over the door member for electrically shocking anyone who attempts unauthorized entry therethrough. An electrical insulator inner cover is... | 02/10/1987 |
| 4580424 | Single lever, double changeable safe deposit lock A double changeable tumbler lever type key lock for safe deposit boxes and the like having a slidable bolt plate carrying a stack of fence members, and a stack of tumbler levers occupying positions in the locked condition to bar retraction of the fence me... | 04/08/1986 |
| 4561269 | Key-exchangeable lock A lock includes a running plate formed integrally with a locking bar and provided with a fence adapted to cooperate with a plurality of tumblers so as to alternatively block and allow retraction of the locking bar, and this mechanism is mounted together w... | 12/31/1985 |
| 4534191 | Security lock for sliding doors A security lock for use on sliding doors or gates has a pair of hook bolts which are thrown apart or withdrawn together according to the position of a head on a reciprocable slide. Each bolt has a recess mated to the head with front and rear driving surfa... | 08/13/1985 |
| 4526022 | Keylock with resettable, bendable lever tumblers Disclosed is a keylock having a key settable lever tumbler which can be bent, by use of an operating key, from an initial neutral configuration to set it to the operating key, and which by use of a change key can be restored to its initial configuration a... | 07/02/1985 |
| 4462230 | Changeable safe deposit lock with slidable clamped fences A changeable safe deposit lock, usable in a single key or a double key configuration, having one or a pair of stacks of vertically slidable adjustable fences carried on a bolt plate and held in adjusted positions by a clamping assembly having a changing s... | 07/31/1984 |
| 4400955 | Duplex lock A duplex lock codable by a master key and releasable by a duplex key and comprising a first fixed hollow cylindrical body in which a second cylindrical body is rotatably mounted. An axially shiftable slider is firmly secured to the second cylindrical body... | 08/30/1983 |
| 4359884 | Dual key locks having improved precision and versatility The lock configuration described in the parent application enables a dual key lock to operate efficiently, accurately and conveniently with a single stack of tumblers. Also, the individual tumblers of the invention are typically receivable in the lock in ... | 11/23/1982 |
| 4351171 | Sequential locking two key lock The lock includes a lock housing mounting a first tubular member. The first tubular member includes a plurality of spring biased pins which are divided into a plurality of sections. An intermediate tube is rotatably received within the first tube and incl... | 09/28/1982 |
| 4332153 | Dual key locks with multi-function tumblers The invention provides an improved lock configuration by which a dual key lock can operate efficiently and conveniently with a single stack of tumblers. That configuration permits more accurate positioning of the tumblers upon key operation, whereby a lar... | 06/01/1982 |
| 4216664 | Padlock A padlock has a body having a central portion and two axial end portions. Two drums are rotatable received in two axial holes in the end portions and have engaging members and through-going holes. A shackle is insertable and withdrawable from transverse h... | 08/12/1980 |
| 4114410 | Locking device and means for actuating this device The invention relates to an improved device for opening a lock and a means for actuating the device. The device is characterized by a moving plunger or rotating wheel which is provided with slots which mesh with at least two rocking tumblers which engage ... | 09/19/1978 |
| 4072032 | Key changeable lock A double key changeable safety deposit lock includes a movable bolt and associated bolt plate including cam surfaces to be engaged and moved between open and closed positions by turning renter and guard keys in the lock, a plurality of gated tumbler rente... | 02/07/1978 |
| 3983728 | Double changeable key lock for safe deposit boxes and the like A changeable combination key lock for safe deposit boxes and the like, wherein a guard key is insertable into a rotatable guard key plug to set guard key tumblers to permit retracting movement of a bolt, and a renter's key is insertable into a rotatable r... | 10/05/1976 |
| 3978700 | Safe deposit lock construction with changeable tumbler mechanism A lock construction for a safe deposit box requires two keys for operation of the bolt. The first key is provided by the vault guard and the second key is provided by the customer. Each key activates a separate set of wafer-like tumblers by rotating the t... | 09/07/1976 |
| 3941954 | Magnetic captive key switch lock A cylinder and plug type lock mechanism drivingly connects an authorized key to the actuator of a switch device and captivates the key when turning the switch on. A magnetic latch activated in the captive position of the key, prevents return of the key to... | 03/02/1976 |
