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Actress Jamie Lee Curtis is a patented inventor - she created a diaper equipped with a premoistened baby wipe. And that's no act!
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| Number | Title | Issue Date |
| 8087316 | Flat yoke valve actuator A Scotch yoke actuator is disclosed with a dual yoke and a diagonally symmetric design. A pair of shafts and pushing devices apply equal, opposing forces to the yoke, causing end loading forces applied to a rotatable shaft attached to the center of the yoke to be ca... | 01/03/2012 |
| 7878081 | Portable, refrigerant recovery unit A portable, refrigerant recovery unit for transferring refrigerant from a refrigeration system to a storage tank. The recovery unit includes two, opposed piston heads rigidly attached to respective piston rods that extend along a common fixed axis. The piston rods a... | 02/01/2011 |
| 7540208 | Reciprocal force outputting mechanism A reciprocal force outputting mechanism includes a main body and a power component combined therewith; the main body includes a slide slot and two compression passages communicated with the slot; a slide block is accepted in the slide slot; a stem is accepted in eac... | 06/02/2009 |
| 7384043 | Imaging apparatus with sheet transport system employing cam actuating system An actuator system for use with a sheet transport system having a first roller and a second roller. The actuator system includes an idler assembly and a drive assembly. The idler assembly is coupled to the first roller and is biased to hold the first roller in a clo... | 06/10/2008 |
| 7363713 | Reciprocating power tool It is an object of the present invention to provide a useful technique for effectively reducing vibration in a reciprocating power tool with a simple structure. According to the present invention, a representative reciprocating power tool includes a motor, a tool bi... | 04/29/2008 |
| 7350302 | Jigsaw An outer peripheral surface of a cam has an apex disposed of distance from a rotational axis, a first region adjacent the apex opposite to the direction of rotation that increases in distance from the rotational axis during rotation, and a second region adjacent the... | 04/01/2008 |
| 7334558 | Slide body internal combustion engine An internal combustion engine includes a slide body having a plurality of rigidly mounted pistons on opposite ends of the slide body. The slide body reciprocates and is connected to a flywheel by shaft and bearing which extends through an angled track in the slide b... | 02/26/2008 |
| 7328682 | Efficiencies for piston engines or machines Disclosed are crankshaft, single-plate cam and beam mechanisms that provide significant improvements in performance for 2 & 4-stroke engines, compressors and pumps. These cost effective mechanisms include linkages with the new and improved use of pivoting arms that ... | 02/12/2008 |
| 7305918 | Juice extractor with counterweight operatively engaged with camshaft A juice extractor includes an extractor frame and extractor cups relatively moveable for compressing fruit therebetween. A camshaft is mounted for rotation within the extractor frame. A drive cam is mounted on the camshaft and operatively engages an extractor cup fo... | 12/11/2007 |
| 7287458 | Yoke mechanism for compressor A yoke structure for a compressor is disclosed, which is applied to a scotch yoke type reciprocating compressor. The yoke structure comprises a crankshaft (10); a crankpin (20) connected to the crankshaft (10), to rotate along a predetermined ro... | 10/30/2007 |
| 7263966 | Dual action cylinder A device for translating linear reciprocal motion to rotational motion includes a reciprocating linearly moving piston with a central slot. The aperture has a set of recessed annular gears opposite each other which engage corresponding gear teeth on a cog located on... | 09/04/2007 |
| 7216433 | Saber saw tool The present invention relates to a reciprocating saw tool (10) having a motor drive (17) with a reciprocating driver (21) for a tool (15) and having a mass equilibrating body (22). In addition, a device (20) is provided, whi... | 05/15/2007 |
| 7181850 | Saber saw having blade tiltable toward workpiece relative to saw body when cutting A light weight saber saw with reduced numbers of mechanical components and capable of preventing liquid and dust from entering interior of a housing. A plunger reciprocates only in its axial direction in conformity with a longitudinal direction of the housing. A bla... | 02/27/2007 |
| 7152329 | Electric jigsaw capable of improved illumination of workpieces An electric jigsaw (1) includes a main housing (2) containing a gear housing (10), a reciprocating rod (11) vertically projecting from within the gear housing, a saw blade (13) coupled to the rod via a coupling ring (12), an... | 12/26/2006 |
| 7114259 | Reciprocating saw A reciprocating saw, comprises: a housing [13], a plunger [15], a driving gear [7], a link shaft [4], a pushing member [9], a lifting member [11], a front end portion of said link shaft [4] rotatablely connect with a ... | 10/03/2006 |
| 7069799 | Vehicle gearbox A vehicle gearbox having an input shaft, an output shaft and a countershaft, which is arranged to parallel to the axis of shafts and can be drivingly connected by gear sets to shafts via separating clutches, wherein four gear sets and a reversing gear set having an ... | 07/04/2006 |
| 7029040 | Locking device of a closure with a housing A device for locking a closure (2) with a housing includes at least one swiveling lever (8), a drive (19) for pivoting the at least one swiveling lever 98) about an axis of rotation and having teeth (20) which interact with teeth (... | 04/18/2006 |
| 7025295 | Fishing reel with uniform oscillation system A spinning reel has a level wind system wherein a slot is formed in the crosswind block. A lobe is carried on a crosswind gear. The surfaces of the lobe interact with the surfaces in the block. There are three curved surfaces on the lobe and four working surfaces in... | 04/11/2006 |
| 6976313 | Battery-powered carving knife having a rechargeable battery pack A battery-powered carving knife is shown having a housing and a switch, which connects and disconnects a battery to a motor. A drive mechanism including a worm gear together with a cam member causes reciprocation of reciprocating blade mounts to reciprocate back and... | 12/20/2005 |
| 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 |
| 6742266 | Miniature reciprocating saw device A small reciprocating saw device is provided which is adapted for one hand operation and which enables delicate sawing or filing work to be carried out. An eccentric drive arrangement includes a motor mounted in a housing at one end of the device and a slender drive... | 06/01/2004 |
| 6694862 | Accessible hand pump A hand-operated pump, readily accessible and useable by people with disabilities, complies with the specifications set forth in the American Disabilities Act. The reciprocating pump provides for counterbalance-assisted rotary motion input by the user, is ... | 02/24/2004 |
| 6688854 | Compression apparatus There is disclosed a high-pressure compressor comprising a compression mechanism for reciprocating/driving a piston with respect to a conventional cylinder by rotation of a motor and compressing an operating fluid sucked by this driving to generate the hi... | 02/10/2004 |
| 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 |
| 6640660 | Pick-up and placement apparatus Pick-up and placement apparatus including an arm that executes pick-up and placement motions and an arm drive mechanism. The drive mechanism comprising a driven rotating member having an appointed range of rotation, a swiveling member slidably attached to... | 11/04/2003 |
| 6631671 | Piston-type machine with conrod-free mechanism The present invention pertains to the field of piston machines, mainly those that include a mechanism without any connecting rod for converting the reciprocating movement of the pistons into a rotating movement of the output shaft. This invention essentia... | 10/14/2003 |
| 6607069 | Crank drive for returning work pieces The invention relates to a mechanism for returning processed work pieces (7) from the output side to the loading side of a processing unit, which mechanism has a transfer mechanism (1) to transfer the work pieces (7) at the output side of the processing u... | 08/19/2003 |
| 6539835 | I-yoke mechanism A piston machine with at least one axially movable piston in a cylinder is designed with a force conversion mechanism implying sinusoidal piston movement by rotation of the power input or power output shaft of the machine, depending on its application. As... | 04/01/2003 |
| 6511306 | Zero leakage valveless positive fluid displacement device A Positive Fluid Displacement Device (PFDD) with single piece double-ended pistons connected to a crankpin for circular motion. Pistons are nested together to maintain all pistons in the same plane perpendicular to the axis of the crankshaft. Cylinders ar... | 01/28/2003 |
| 6357125 | Adjustable stroke mechanism for a scotch yoke assembly A scotch yoke mechanism for converting rotational movement into reciprocating linear movement and having an adjustable stroke length. The scotch yoke mechanism includes a stroke length toggle eccentrically connected to a cam such that the stroke length to... | 03/19/2002 |
| 6330835 | Scotch yoke mechanism for secure track sliding A reciprocating scotch yoke drive mechanism connectable to a motor drive shaft, includes a yoke member connectable to the shaft which moves the yoke member in a linear reciprocating motion and a guide having one or more slide tracks configured to define a... | 12/18/2001 |
| 6227152 | Internal combustion engine There is described an internal combustion engine comprising at least one cylinder and a crankcase (5), which together with the cylinder forms a common, circular cylindrical tubular body (1), and comprising an oscillating piston (7) rotatably mounted about... | 05/08/2001 |
| 6186098 | Coaxial oscillating axisymmetric engine A coaxial oscillating axisymmetric engine is disclosed. The engine is provided with a rotor having a plurality of rotating blades, the blades being movable relative to a plurality of fixed blades of a stator in opposite directions while forming expansion ... | 02/13/2001 |
| 6098477 | Crank device for linear motion of connecting rod A crank device performs power conversion between reciprocal movement and rotational movement using a planetary gear mechanism without causing inclination of a connecting rod. An internally toothed sun gear is spaced a predetermined distance from the conne... | 08/08/2000 |
| 6012345 | Method for changing gears of a multiple gear manually shiftable change gear unit for commercial vehicles The method for changing the gears of a manually shiftable change gear unit for commercial vehicles which has a main gear unit and fitted downstream thereof a combination of splitter gear unit and range gear unit wherein when shifting the individual gear u... | 01/11/2000 |
| 6000264 | Driving mechanism for moving a cutter or pitch control rod in a spring forming machine A spring forming machine includes a machine frame, a movable member, and a driving mechanism. The driving mechanism comprises a slide plate seat, a slide plate and a cam wheel. When fitting an eccentric pin unit and a filler within a horizontal slide slot... | 12/14/1999 |
| 5983845 | Rotational motion mechanism and engine An object of the present invention is to provide a rotary drive system and an engine which have greater toughness and which are capable of smoothly converting linear thrust force into rotary torque. In the present invention, a pair of elongated members ar... | 11/16/1999 |
| 5980355 | Transmission mechanism for music box ornament A transmission mechanism for music box ornament includes a music box which houses therein a wind-up spring and a barrel as a power source, a holding frame attached to the body has a pair of spaced flanges holding a sleeve therebetween and a drive wheel at... | 11/09/1999 |
| 5938224 | Hydraulic bicycle with conjugate drive motors and variable stroke crankshaft A device for transmitting power between mechanical movements which includes a fluid pump coupled to a first mechanical movement for pumping a fluid, a fluid motor coupled to a second mechanical movement and a manifold connecting the fluid pump and the flu... | 08/17/1999 |
| 5879145 | Integrated cylinder liner and valve plate for a compressor Replace the abstract in the instant application with the following abstract: A compressor has a reciprocating piston operating in a working area to compress the working medium, a drive unit for the reciprocating movement of the piston, and an intake and d... | 03/09/1999 |
