Did You Know...
...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.
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| Number | Title | Issue Date |
| 7340927 | Padlock A padlock can be unlocked by an owner dialing an unlocking number or security personnel using a general key. The padlock includes a lock body, a block, a shackle, a general locking device and a private locking device. The lock body includes a first channel and a sec... | 03/11/2008 |
| 7287787 | Linear thumb-piece actuation latch mechanism This invention provides a thumb-piece door latch mechanism which has ergonomic features, is modular and can be used with any escutcheon, can be used with all type locks, and which in the locked door mode provides greater resistance to abusive attack of the door latc... | 10/30/2007 |
| 7281401 | Protective sleeve for latch mechanism for lock A protective sleeve for a lock includes a circumferential wall delimiting a longitudinal through-hole. The circumferential wall includes at least one longitudinal slot, forming at least one shielding skirt for shielding a housing of a latch mechanism of a lock that ... | 10/16/2007 |
| 7266981 | Locker lock A locker lock that provides for increased security and ease of use. The locker lock can be a vertical built-in lock or a horizontal built-in lock. In each case the lock is symmetrical such that it can be used in either right-handed or left-handed lockers. The locker... | 09/11/2007 |
| 7257973 | Chassis for a lock set An interconnected chassis includes a mounting plate including a spring engaging tab. A cover plate includes a recessed spring retention wall. A lower cam has a lower pivot axis. An upper cam has an upper pivot axis. A slide plate is positioned between the mounting p... | 08/21/2007 |
| 7206181 | Latch device A latch device includes a display apparatus having a display apparatus body installed in the ceiling portion or the like of a vehicle and a display section retracted so that it can be developed from the display apparatus body. A plunger section is fixed to the displ... | 04/17/2007 |
| 7104583 | Vehicle with storage/utility system A truck with one or more storage compartments in the bed adjacent the side panels and in which a hinged panel in the side panel or fender allows access to a storage compartment. The side panels maintain the appearance of a conventional pickup truck without storage c... | 09/12/2006 |
| 7100406 | Locking mechanism for a safe door A locking mechanism that allows a live bolt lock plate and a primary vertical lock plate to move relative to one another irrespective of the plates connection with a drive mechanism is provided. The drive mechanism includes first and second gears and is used to move... | 09/05/2006 |
| 7097212 | Mechanism A mechanism for selectively locking and unlocking a vehicle door latch, comprising a rheological fluid in operable connection with an output and an input, the fluid acting so as to in a first state prevent actuation of the output upon actuation of the input and in a... | 08/29/2006 |
| 7048312 | Safety mechanism for walk-in interiors, particularly for cooking devices A walk-in chamber has a door opening closable by a door, which, when in the closed position can be either in a locked position or an unlocked position, dependent on the locking device, which includes a sliding bolt engageable with a locking bolt. To enable a person ... | 05/23/2006 |
| 6978644 | Locking mechanism for handcuffs A solenoid operated mechanical mechanism for controlling the rotation of a gear comprising the use of a first linear element which moves in response to an electrical current to cause the rotation of a cam which, in turn, causes the movement of a second linear elemen... | 12/27/2005 |
| 6930607 | Portal announcing method and system A method and system are disclosed for providing an automatic announcement to a person seeking a particular portal in a facility that any particular portal is the one sought. The method comprises the steps of providing the person with a wireless, electronic transmitt... | 08/16/2005 |
| 6911897 | Electronic combination lock with high security features A self-powered electronic combination lock including a lock mechanism having locked and unlocked conditions. A rotatable dial is used to input a numerical combination code for changing the lock mechanism from the locked condition to the unlocked condition. An electr... | 06/28/2005 |
| 6907830 | Multipoint lock assembly An enclosure lock comprises at least one keeper 2 and latch 5. The keeper is mounted to an interior of the enclosure body 18. The latch is mounted to the interior side of the enclosure door 1. The keeper includes spaced projecting lugs | 06/21/2005 |
| 6679087 | Safe lock mechanism The invention relates to a safe mechanism for resistance to drilling, by use of a door mounted crankshaft mechanism. The crankshaft includes a shoulder which transfers force to the safe door rather than transmitting it to other lock mechanism components. ... | 01/20/2004 |
| 6085558 | Lock-cylinder assembly for motor-vehicle door latch A motor-vehicle latch assembly has a door latch displaceable between a locked and unlocked position, a housing forming a seat, a lever pivoted on the housing, and a linkage connected between the lever and the door latch for displacement of the latch betwe... | 07/11/2000 |
| 5263347 | Remote control deadlock bolt for cars A remote control locking device is provided for a door of a motor vehicle, which consists of a remote transmitter outside of the motor vehicle for transmitting a radio signal. A receiver is carried within and is electrically connected to the electrical sy... | 11/23/1993 |
| 5113675 | Intermediate door locking mechanism An intermediate locking mechanism which is interposed between the existing door bolt works and the door knob of a standard key door lock, which can be unlocked by use of either a key or by entry of an electronic code, the mechanism includes the provision ... | 05/19/1992 |
| 4345449 | High security cylindrical bored lock A lock employing a lock cylinder protected by an outer escutcheon and positioned coaxially with a lock control mechanism and an inner doorknob. An outer doorknob is supported by the outer escutcheon and mounted on an axis which is offset with respect to t... | 08/24/1982 |
| 4322958 | Door lock with spring bolt and dead bolt In a door lock with spring bolt and dead bolt the lock follower body injection molded from thermoplastic synthetic resin is rotatably mounted in the lock case and resilient in itself without bias and without being influenced by any spring force when by ra... | 04/06/1982 |
| 4277964 | Door lock PCT No. PCT/US 79/00088 Sec. 371 Date Feb. 15, 1979 Sec. 102(e) Date Feb. 15, 1979 PCT Filed Feb. 15, 1979 PCT Pub. No. WO80/01703 PCT Pub. Date Aug. 21, 1980 A vehicle door latch assembly (16) is provided whereby a key (104) may be used to lock the door ... | 07/14/1981 |
| 4148092 | Electronic combination door lock with dead bolt sensing means The electronic combination door lock uses a push button keyboard in combination with a door provided with a dead bolt manually operable by an outer turning knob. The electronic circuitry for the keyboard compares an input code with a stored code and gener... | 04/03/1979 |
