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| Number | Title | Issue Date |
| 7360521 | Reciprocating engines Reciprocating engine construction wherein a rotating assembly converts the linear motion of the piston into rotational motion more efficiently, therefore yielding more torque and working power while using less fuel. The rotating assembly is three components working ... | 04/22/2008 |
| 7228794 | Kitchen appliance A housing in a kitchen device, in particular, a household fruit press, includes an electric motor and a circuit board, both of which can be simply mounted. The motor and board are to be simply assembled in the housing by configuring the mounting as a hollow cylinder... | 06/12/2007 |
| 7073406 | Screw and nut transmission and cable attached to the screw A cable or another longilinear transmission component is set into the center of an axial cavity of a screw belonging to a screw and nut movement conversion unit. By means of this arrangement, bending moments exerted on the screw between the point of attachment of th... | 07/11/2006 |
| 6901828 | Journal turning lathe having dual feed screw drive A portable journal turning lathe for machining a shaft at a job site, including a pair of clamping rings that are adapted to be centered at spaced apart locations along the length of the shaft to be machined. Extending between the clamping rings is a plurality of gu... | 06/07/2005 |
| 5992222 | High pressure pump system and method of operation thereof A pump system for producing high and exactly controllable pressure levels includes a piston pump which has a piston (32) connecting to a spindle shaft (22), a spindle nut (44) on said spindle shaft, a cylinder block (34) having a bore (36) for receiving s... | 11/30/1999 |
| 5836403 | Reversible high impact mechanism A reversible rotary wrench includes an impact mechanism for applying intermittent torque impulses to a load. The mechanism includes a rotatable shaft having an axis and adapted to be coupled to a motive source, a rotatable anvil for coupling to the load a... | 11/17/1998 |
| 5603245 | Method for a translatory motion of components A structural component (21) is moved axially back and forth with the aid of a closed cam (40A) arranged on a rotating cam carrier (33) for mechanically entraining cam follower rollers carried by the structural component. At least one roller (26) of a pair... | 02/18/1997 |
| 5390585 | Rotary motion/constant velocity linear reciprocating motion conversion device and hydraulic system using the same A rotary motion/constant velocity linear reciprocating motion conversion device capable of converting rotary motion into a constant velocity linear motion or vice versa, and a hydraulic system which can minimize a ripple by using the above-mentioned conve... | 02/21/1995 |
| 5157979 | Comprehensive water treatment system Disclosed is a novel helix drive for use with a valve assembly of a water softener. The helix drive comprises a stationary drive axle bearing a longitudinally slotted sleeve; a piston having an apertured end and being disposed within said drive axle sleev... | 10/27/1992 |
| 5129407 | Variable camshaft A camshaft is provided having longitudinally spaced cams for operating the valve lifters of an engine. Each cam has juxtaposed first and second cam lobes for operating at low speed conditions (city driving) and high speed conditions (highway). The profile... | 07/14/1992 |
| 5040426 | Drive mechanism for moving a member along a defined path A drive mechanism for converting a rotational drive motion into a linear back and forth motion comprising driven member (21) for performing said back and forth motion, and a rotational drive member (33) for applying a driving force to the driven member. T... | 08/20/1991 |
| 4914967 | Crossover mechanism for guiding a cam follower through a cam track intersection To guide a cam follower through the intersection of crossing portions of a cam track, a crossover mechanism is provided with a pair of crossover cam members which are separately, telescopically reciprocated to momentarily insert cam segments into the inte... | 04/10/1990 |
| 4759283 | Value selection mechanism for postal franking machines To enable a single motor in a franking machine to set the printing wheels in a printing drum in addition to rotating the drum and feeding items of mail through the machine, four carriages, each carrying a rocker and solenoids are mounted on two pairs of c... | 07/26/1988 |
| 4730503 | Linear differential mechanism A differential mechanism including a housing, an elongate shaft disposed in the housing which is coupled to an object to be moved with the shaft defining a ring-handed thread along a first portion thereof and a left-handed thread along a second portion th... | 03/15/1988 |
| 4678065 | Brake actuator An adjustment device for a brake actuator including a spindle (20) is arranged between an hydraulically movable piston (12) and a mechanically movable tappet (18). The spindle (20) is formed at its outside with left- and right-hand threads (26) and (28), ... | 07/07/1987 |
| 4651579 | Cylindrical cam clutch Two reciprocating cylindrical drive cams, each with a continuous spiral groove, mounted on a splined shaft, a driven cylindrical cam with two continuous spiral grooves mounted on a parallel shaft, and two reciprocating pins mounted in an intermediate hous... | 03/24/1987 |
| 4535642 | Traversing mechanism A traversing mechanism including a cam shaft on its outer surface an endless helical cam groove for reciprocation of a guide member, a cam shoe of the guide member adapted to engage with said cam groove, the guide member adapted to reciprocate along the a... | 08/20/1985 |
| 4509379 | Rotary to reciprocating motion converter The described motion converter has a housing in which a drive shaft is interconnected with a rotary motion power source. The drive shaft has an extent having a left-hand thread adjacent one end thereof and an extent having a right-hand thread located adja... | 04/09/1985 |
| 4478264 | Mortising apparatus A mortising machine adapted for connection to a conventional electric motor includes a frame having rotatably mounted therein a helically-grooved shaft on which is threadedly mounted a router assembly carrying a rotatable router bit for reciprocation alon... | 10/23/1984 |
| 4434659 | Two-dimensional scanner apparatus An X-Y scanner is illustrated which utilizes an eddy current or ultrasonic current test probe for detecting surface defects in small flat plates and the like. The apparatus includes a scanner C which travels on a pair of slide tubes (20) in the X-directio... | 03/06/1984 |
| 4393627 | Reversing screw/high-low speed level wind screw Sharpening mechanism for moving at a variable speed along the length of the sharp edge of a reciprocating knife used in cloth cutting machines is disclosed. The apparatus includes a driven grinding apparatus (26) such as is known in the art for contacting... | 07/19/1983 |
| 4245766 | Flying stitcher A flying stitcher and method of forming a panel unit wherein the panel unit is formed and stitched in a continuous process. The stitches are placed in panels by a stitching head which moves with the panel so that the panel need not be stopped/started duri... | 01/20/1981 |
| 4216698 | Balanced Gatling gun An arrangement of the components of a revolving battery gun such that the center of gravity of the assembly is located on the axis of the firing barrel at the time of its maximum recoil thrust. The required location of the center of gravity is achieved by... | 08/12/1980 |
| 4159813 | Reciprocating traverse mechanism A traversing carriage has a shift member movable thereon which bears a pair of partial nuts for alternate engagement with each of two lead screws. A pair of latches are mounted on the carriage, each adapted to retain one of the partial nuts in engagement ... | 07/03/1979 |
| 4145166 | Displacement pump Disclosed is a displacement pump especially suited for use in very small well bores. The pump includes a piston working in a cylinder, driven by a rotating cam shaft having closed loop cams for effecting reciprocation of the piston. The rotating cam shaft... | 03/20/1979 |
