Bizarre Patents
Mouse device with a built-in printer
A mouse device for use as an input device of a computer is provided that includes a housing in which recording paper is loadable, and a printer unit provided within the housing for printing on the recording paper print information received from the computer.
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| Number | Title | Issue Date |
| 7412949 | Dual head piston engine A gas or diesel internal combustion engine of either a two or four stroke design uses both ends of each piston to create a combustion chamber. The piston rod rides linearly through a lower cylinder head. The lower cylinder head forms a lower combustion chamber with ... | 08/19/2008 |
| 7334548 | Piston joint A joint for positioning between first and second elements includes an outer member and an inner member. The first and second elements are arranged for linear motion along a common axis. The outer member is configured for movement relative to the first and second ele... | 02/26/2008 |
| 7296544 | Internal combustion engine A four stroke internal combustion engine (110) having at least one cylinder (13) having a double acting piston (16) dividing the cylinder into two combustion chambers (14 & 15) and being reciprocable within the cylinder (13)... | 11/20/2007 |
| 7146948 | Valve lifting arrangement A valve actuating assembly for opening and closing a valve includes a cam mounted on a camshaft and enclosed by a pair of rotary cam guides each of which includes a roller channel having an outer race for receiving opposed ends of a roller that extends transversely ... | 12/12/2006 |
| 7040263 | Piston engine assembly A variable compression piston assembly includes a plurality of pistons, a transition arm coupled to each of the pistons, and a rotating member mounted for pivoting movement to slide along an axis of the drive member. Movement of the rotating member relative to the d... | 05/09/2006 |
| 7011469 | Piston joint A joint for positioning between first and second elements includes an outer member and an inner member. The first and second elements are arranged for linear motion along a common axis. The outer member is configured for movement relative to the first and second ele... | 03/14/2006 |
| 6955151 | Internal combustion engine An internal combustion engine has two cylinders located opposite to one another, two pistons each movable in a respective one of the cylinders and connected with one another so as to move jointly in said cylinders in two opposite directions, and means for converting... | 10/18/2005 |
| 6925973 | Piston engine assembly A variable compression piston assembly includes a plurality of pistons, a transition arm coupled to each of the pistons, and a rotating member mounted for pivoting movement to slide along an axis of the drive member. Movement of the rotating member relative to the d... | 08/09/2005 |
| 6915765 | Piston engine assembly A variable compression piston assembly includes a plurality of pistons, a transition arm coupled to each of the pistons, and a rotating member mounted for pivoting movement to slide along an axis of the drive member. Movement of the rotating member relative to the d... | 07/12/2005 |
| 6913447 | Metering pump with varying piston cylinders, and with independently adjustable piston strokes A metering pump includes an actuating mechanism, and a plurality of piston cylinders coupled to the actuating mechanism. A first of the cylinders has a working volume that differs from a second of the cylinders. The actuating member is centrally located and the cyli... | 07/05/2005 |
| 6672263 | Reciprocating and rotary internal combustion engine, compressor and pump A rotary engine, pump or compressor with a intake/exhaust ports in end plates and a rotatably mounted block mounted in a framework. In an embodiment cylinder sets are mounted in the block and each includes opposing cylinders with ends which include transf... | 01/06/2004 |
| 6446587 | Piston engine assembly A variable compression piston assembly includes a plurality of pistons, a transition arm coupled to each of the pistons, and a rotating member mounted for pivoting movement to slide along an axis of the drive member. Movement of the rotating member relati... | 09/10/2002 |
| 5887482 | Apparatus for mutual conversion between circular motion and reciprocal motion The apparatus comprises a lever member having a first regulator which is provided at an end of the lever member and functions as a force point, and a second regulator which is provided at another end of the lever member and functions as a movable fulcrum.... | 03/30/1999 |
| 5816202 | High efficiency explosion engine with a double acting piston A high-efficiency explosion engine has a double-acting central piston mounted on a shaft within a cylinder to form two combustion chambers. Auxilliary pistons mounted on the ends of the shaft control the intake of gases to the combustion chambers. In one ... | 10/06/1998 |
| 5676037 | Apparatus for mutual conversion between circular motion and reciprocalmotion An apparatus for mutual conversion between circular motion and reciprocal motion includes a lever member which is rotatably mounted on a line connecting a rotational center and a circumference of a rotary disk, the lever member having a fulcrum, an action... | 10/14/1997 |
| 5660151 | Apparatus for mutual conversion between circular motion and reciprocal motion An apparatus for mutual conversion between circular motion and reciprocal motion includes a lever member which is rotatably mounted on a line connecting a rotational center and a circumference of a rotary disk, the lever member having a fulcrum, an action... | 08/26/1997 |
| 5535709 | Apparatus for mutual conversion between circular motion and reciprocal motion An apparatus for mutual conversion between circular motion and reciprocal motion includes a lever member which is rotatably mounted on a line connecting a rotational center and a circumference of a rotary disk, the lever member having a fulcrum, an action... | 07/16/1996 |
| 5526779 | Virtual crankshaft engine A virtual crankshaft engine (i.e., an engine without a physical crankshaft) utilizes hypocycloidal principles to convert linear piston motion into rotary drive motion. This virtual crankshaft engine reduces engine weight, volume, vibration, friction, and ... | 06/18/1996 |
| 5448972 | Internal combustion engine In an internal combustion engine comprising an engine block housing at least one reciprocating piston being provided in a cylinder comprising at least one inlet valve and an exhaust valve, which piston is coupled with a crankshaft being coupled with a dri... | 09/12/1995 |
| 5347960 | Double-acting piston engine A double-acting piston engine has a crankshaft rotatable about a first central axis and having a crankpin having a second central axis which is spaced a distance from the first central axis, a cylinder assembly having a pair of cylinder chambers confronti... | 09/20/1994 |
| 4941396 | Reciprocating double-ended piston The present invention relates to a reciprocating engine which has an improved reciprocating double ended piston which substantially reduces the size and weight of piston components. The double ended piston comprises a center portion between the two end po... | 07/17/1990 |
| 4672989 | Flow conditioned nutation valving apparatus and method of operation Structure and method are disclosed for providing timed valving in which a nutating plate having an opening defined therethrough moves relative to at least one other nominally static plate having a complementary opening defined therethrough, the nutating p... | 06/16/1987 |
| 4667659 | Massaging device for massaging skin inside a cast, splint or the like This invention relates to a medical device and more particularly, to a novel medical device suitable for use as a skin massager to relieve itchiness, irritation and general discomfort of the skin felt by a person wearing a cast or splint. The device compr... | 05/26/1987 |
| 4597403 | Nutation valving apparatus and method of operation Structure and method for providing timed valving in which a nutating plate having an opening defined therethrough moves relative to at least one other nominally static plate having a complementary opening defined therethrough, the nutating plate at one po... | 07/01/1986 |
| 4492188 | Internal combustion engine An internal combustion engine in which first and second elongate blocks of identical structure are axially aligned and held in longitudinally spaced relationship by a generally cylindrical connector. The first and second blocks cooperate to define a numbe... | 01/08/1985 |
| 4485769 | Engine To reduce space requirements, vibrations and certain stresses in an engine, a different one of two pistons is mounted on each end of a single piston rod to which the crankshaft is attached by a cylindrical shaped connector that rotates inside the piston r... | 12/04/1984 |
| 4437437 | Dual-expansion internal combustion cycle and engine A novel internal combustion cycle and internal combustion engine operating thereon. Expansion of the hot combustion gases is controllably achieved in a primary combustion/expansion chamber and a secondary expansion chamber in a manner to reduce engine exh... | 03/20/1984 |
| 4325331 | Dual-expansion internal combustion cycle and engine A novel internal combustion cycle and internal combustion engine operating thereon. Expansion of the hot combustion gases is controllably achieved in a primary combustion/expansion chamber and a secondary expansion chamber in a manner to reduce engine exh... | 04/20/1982 |
