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| Number | Title | Issue Date |
| 6000373 | Engine lubrication system The invention provides, in one aspect, a lubrication system for internal combustion engines of the kind comprising a crankshaft (1) and an associated oil sump (3), a camshaft in a cylinder head above the oil sump, and a timing belt (5) connecting the cran... | 12/14/1999 |
| 5934411 | Checker-arm chain lubricating apparatus A checker-arm chain lubricating apparatus is provided that efficiently and surely performs lubrication on a small-size chain and a chain traveling at high speeds. When a checker arm, oscillated by a chain, is returned by the force of a return spring, a ca... | 08/10/1999 |
| 5787854 | Device with fuel injection and lubricant delivery means for internal combustion engines In order to provide a device with fuel injection and lubricant feed means for internal combustion engines, preferably for manual guided equipment, such as chain saws, with a helical gear wheel (12) mounted on a crankshaft (11) or driven indirectly by the ... | 08/04/1998 |
| 5447127 | Internal combustion engine with an overhead camshaft A lawn mower has at least one rotary cutting blade and an internal combustion engine for operating the at least one cutting blade, wherein the lawn mower can be operated on a substantially horizontal surface, while inclination of the mower on various surf... | 09/05/1995 |
| 5267537 | Lubricating structure for power transmission chain In a machine, such as an internal combustion engine, in which a chain is used to transmit rotating power from one shaft to another, the chain is situated in an oil-tight chain compartment which is separated from other lubricant containing spaces so that l... | 12/07/1993 |
| 5033989 | Continuously variable chain transmission and lubricating system A non-stage automatic transmission for vehicles includes a pair of adjustable pulleys supported for rotation within a transmission casing, and an endless metal belt which is wound around and frictionally engaged with the pulleys for rotation therewith. A ... | 07/23/1991 |
| 4644658 | Lubricating-oil pump arrangement for a motor-driven apparatus The invention is directed to a motor-driven apparatus such as a motor-driven chain saw or the like. It includes a lubricating-oil pump and an oil supply for a work tool and is equipped with a device for interrupting the supply of oil to the tool. This fac... | 02/24/1987 |
| 4597679 | Apparatus for lubricating a bearing assembly A shaft is rotatably journalled in a bearing assembly. The shaft has a sleeve fixed thereon at a location axially adjacent to the bearing assembly, and a ring depends from the sleeve into a supply of liquid lubricant contained in an underlying sump. Rotat... | 07/01/1986 |
| 4531845 | Bearing lubrication device A bearing lubrication device for use in ring-oiled journal bearings and the like in which a generally circular ring member is disposed around the rotatable shaft in the bearing assembly and has a circumferential groove in its inner surface. A cantilevered... | 07/30/1985 |
| 4124978 | Compressed air engine A compressed air engine having specially designed cylinder heads and piston configurations in order to reduce friction and maximize the application of air from a pressurized air source. The disclosure includes a lubrication system whereby the mechanical p... | 11/14/1978 |
