Bizarre Patents
Mouthguard made at least partially from an edible candy
A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.
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| Number | Title | Issue Date |
| 7267304 | Railroad yard switch machine A railroad switch machine which is normally operated by an electric motor but which may be manually operated without causing rotation of the power shaft of the electric motor to enable the switch machine to move the switch points without having to overcome the brake... | 09/11/2007 |
| 7168664 | Assist rod and basket assembly A railroad switch assembly comprises a basket that directly actuates a torsional assist rod. The basket is located at a lower elevation than the assist rod, preferably in a hollow tie and preferably between the switch machine and the running rail. ... | 01/30/2007 |
| 7152830 | Switch machine improvements A control mechanism for moving switch points on a railroad track, having a drive screw driven by a motor, a traveling block moving along the drive screw to position the switch points, an end stop on the drive screw for limiting movement of the traveling block, a han... | 12/26/2006 |
| 6138959 | Low profile switch machine gear box A railroad switch machine gear box having a low vertical profile is provided, wherein a compound gear rotatably mounted within a housing along a first vertical axis cooperatively engages an adjacent main crank gear. The main crank gear is rotatably mounte... | 10/31/2000 |
| 6042060 | Solar-powered electrical switch stand A solar-powered, electric railroad switch stand includes a housing having a mounting mechanism for mounting a solar cell assembly for converting solar energy into electrical current, a storage battery, and a motor connected to a gear reduction mechanism h... | 03/28/2000 |
| 5642870 | Switch stand Improved railroad switch stands having an improved angled and elongate lever arm to protect the user from back injuries. The lever arm is angled so that an arc of less than 180 degrees is provided for movement of the lever arm from a first position to a s... | 07/01/1997 |
| 5582370 | Switch machine with ratchet mechanism on hand throw mechanism There is provided an improved hand throw device of an electric motor driven switch machine having a ratchet mechanism that permits torque to be applied to the hand throw device in either a clockwise or counter-clockwise direction as desired by an operator... | 12/10/1996 |
| 5494242 | Low profile switch machine with hand throw or motor throw selector device A switch machine for railroad tracks is provided having a low vertical profile without increasing the axial length of existing switch machines. Also, the capability of being operated by an electric motor, hand crank or hand throw operation has been retain... | 02/27/1996 |
| 5014937 | Railway switch stand and method of modifying the same A method for modifying a railway switch stand is utilized on conventional switch stands having a table mounted on legs above a base plate, a rotatable throw crank having a shaft extending vertically from the base plate through the table, and a handle exte... | 05/14/1991 |
| 4938438 | Railroad switch stand A railroad switch stand for moving switch points between a pair of stock rails having a worm and gear drive connection between an operator driven input shaft and an output shaft connected to the switch points.... | 07/03/1990 |
| 4824054 | Railroad switch stand A railroad switch stand is provided by which a switchman can easily and conveniently throw a railroad switch while standing, which automatically locks in respective open and thrown positions, and which automatically disconnects from the switch throw rod i... | 04/25/1989 |
