Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 7444946 | Material management apparatus, systems, and methods In some embodiments, an apparatus that can be used to contain radiation sources, explosives, and other material transported as cargo may include layers of lead, tungsten, plastic, paraffin, armor, and heat absorbing material to surround an interior portion, as well ... | 11/04/2008 |
| 7311339 | Latching system and method A latching system and method are provided for facilitating an easier and/or smoother latching of a locking mechanism, such as a latching and catching mechanism for use with the closing of doors. In accordance with an exemplary embodiment, an exemplary latching syste... | 12/25/2007 |
| 7267378 | Magneto-mechanical locking device A magneto-mechanical locking device for locking a door can be displaced in relation to a stationary frame. The locking device contains a locking element produced from a magnetizable material and disposed on the frame. The locking device further has a permanent magne... | 09/11/2007 |
| 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 |
| 6929291 | Magnetic lock The present invention is to provide a magnetic lock mountable on an electronic device, which comprises an upper and a lower magnetic plates respectively formed on an upper and a lower housings of the electronic device, enabling the electronic device to be automatica... | 08/16/2005 |
| 5942973 | Locking system for a security container A locking system for a security container includes a frame in cabinet form, a jamb formed on the frame, a movable locker plate which determines opening and closing of a door by overlapping with the jamb and which is formed on the door, a combination lock ... | 08/24/1999 |
| 5230230 | Lock operator for inactive magazine door locking bolt system A lock operator located between a backing plate and sliding cover includes pivot plate for activating and deactivating the main boltworks and a relocker, an overtravel stop assembly for sequestering the pivot plate to prevent relock, a spring braised knob... | 07/27/1993 |
| 5071032 | Sheet store A sheet store, such as a banknote cassette, comprises a container having an access opening. The access opening is provided with a closure member and a locking device for locking the closure member in the closed position. The locking device includes an ele... | 12/10/1991 |
| 4815998 | Electrically operated coin saving and security A bank containing a coin receiving base portion and a detachable top portion containing a battery operated locking system. Such system contains an electromagnetic coil lock for locking together the two portions. A switch responsive to placement of the top... | 03/28/1989 |
| 4562706 | Mechanical relocker for locking bolts A torsion spring longitudinally rotates a locking bolt when the bolt actung linkage is severed. A woodruff key or the like is upstanding from a surface of the bolt. When the linkage is undamaged, the key slides with the bolt through a slot on the lock fr... | 01/07/1986 |
| 4520736 | Lightweight safe and door mechanism therefor A lightweight safe having an unique door mechanism is disclosed. The lightweight safe has a front opening with a recessed door frame to accommodate a recessed door having dead-bolts which are positioned behind one edge of the door frame when the door is i... | 06/04/1985 |
| 4501203 | Safety mechanism for preventing the locking up of persons in cabinets In a safety mechanism intended for preventing the locking up of persons in bank strong rooms is incorporated a main latch bolt which is movable between an inoperative position and a protruding position in which it abuts against the strong room door and th... | 02/26/1985 |
| 4165553 | Sliding door safety device A support device pivotally supports a resilient body on the leading surface of a sliding door frame in a manner whereby the gravitational force on the body moves the body between a sliding door and the frame. The body is manually movable away from the doo... | 08/28/1979 |
| 4028772 | Sliding door safety device A mounting device affixed to a sliding door frame supports a resilient ball in a manner whereby the ball is positionable in spaced relation with the door and the frame of the door when the door is closed thereby permitting the door to be securely closed a... | 06/14/1977 |
