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| Number | Title | Issue Date |
| 7770479 | Scotch yoke with anti-lash assembly A vest for a human body has an air core coupled to a pulsator operable to subject the vest to pulses of air which applies and releases high frequency pressure forces to the body. The pulsator has two diaphragms connected to a brushless electric dc motor with rotary ... | 08/10/2010 |
| 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 |
| 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 |
| 7251896 | Hair clipper with pivot head The clipper has a cylindrical housing including a handle containing a battery and motor and a head pivotally mounted on the handle. The head carries a stationary blade and a reciprocating blade. Motion is transmitted from the motor to the reciprocating blade through... | 08/07/2007 |
| 7246533 | Reciprocating counterweight structure for a reciprocating saw A counterweight in a reciprocating saw counterbalances a reciprocating shaft assembly adapted to hold a saw blade. The counterweight is supported for reciprocating motion by slides which ride within slots formed in a housing adapted to hold the reciprocating mechani... | 07/24/2007 |
| 7201133 | Internal combustion engine having dual piston cylinders and linear drive arrangement A device for transforming an alternating motion of a piston into a circular motion of a shaft is provided. The device includes an assembly of two pistons connected by two racks alternatively in mesh with a toothed cam set on a shaft. Movement in one direction of the... | 04/10/2007 |
| 7147539 | Head performance based nano-machining process control for stripe forming of advanced sliders The present invention is a method of using direct head electrical response signals for feedback process control. When lapping the air bearing surface of a bar of sliders, a magnetic field is applied to the air bearing surface and a bias current is applied to the rea... | 12/12/2006 |
| 7086842 | Turbocharger A turbocharger having a turbine wheel mounted to a seal boss at one end of a shaft and a compressor wheel mounted to the other end of the shaft. The seal boss includes an annular face angled relative to a radial plane extending through the shaft so that as the shaft... | 08/08/2006 |
| 6899260 | Nailing gun The nailing gun uses a motor as a power drive to rotate a drive gear wheel and a driven gear wheel, causing the drive gear wheel and the driven gear wheel to alternatively move a slider from a nailing position to a standby position, for enabling a nail driving tip, ... | 05/31/2005 |
| 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 |
| 6598493 | Multiple crank drive for working machines, in particular for diaphragm pumps A multiple crank drive for working machines, in particular for diaphragm pumps, with a crankshaft, which is disposed in a housing and which exhibits at lest two bearings, can be driven by a drive, in particular a gear, and in turn drives by a crank drive,... | 07/29/2003 |
| 6398618 | Motorized transmission for imparting motion to a display A toy consists of a base, a cap and a toy model. The base has stationary wheels and a movable wheel located on the bottom section thereof. The movable wheel may be driven through a gear set by battery power for moving the base around. The cap has a hollow... | 06/04/2002 |
| 6370781 | Reciprocating tool A reciprocating tool includes a rotatable drive gear. A pin connected to the drive gear is eccentric with respect to an axis of rotation of the drive gear. A plunger extending perpendicular to the pin is movable upward and downward. A connector fixed to t... | 04/16/2002 |
| 6264211 | Reciprocating saw attachment for electric drill A universal, quick connect, reciprocating saw attachment for electric drills is disclosed, designed as an adapter that converts a power rotary drill into a reciprocating saw. The present invention converts the rotary action of a drill into the necessary r... | 07/24/2001 |
| 6131498 | Reciprocating knife cutter, a cutting apparatus including such a cutter, and a knife sharpener for a cutting apparatus A reciprocating knife cutter for performing a cutting operation on sheet material is provided wherein the knife is not limited to reciprocation along a vertical axis. The cutter includes a guide which engages the knife, whereby the knife and guide are con... | 10/17/2000 |
| 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 |
| 5865060 | Interconnecting mechanism A mechanism for interconnecting a rotary component (40) and two members (25, 26) linearly reciprocable at 90° to each other in respective bores (16, 18, 17, 19) in a housing (15). The first rotary component (40) has a shaft (41) with a pair of spaced too... | 02/02/1999 |
| 5813281 | Device for reducing torque variations for use in drive apparatus A device for reducing torque variations for use in a drive apparatus which has a drive shaft for causing a lift unit to perform one cycle of up-and-down movement for each of at least two lift units to perform one cycle of up-and-down movement at a specifi... | 09/29/1998 |
| 5751587 | Method for creating a conjugated profile corresponding to a conjugate surface in a motion conversion device A method of creating a conjugated surface for use in a motion conversion device for converting linear motion into circular motion or vice versa through the use of an axially movable conjugate-driver moving laterally with respect to a conjugate-bearing, th... | 05/12/1998 |
| 5661655 | Method for creating a conjugated profile corresponding to a conjugate surface in a motion conversion device A method of creating a conjugated surface for use in a motion conversion device for converting linear motion into circular motion or vice versa through the use of an axially movable conjugate-driver moving laterally with respect to a conjugate-bearing, th... | 08/26/1997 |
| 5640881 | Motion converter with pinion sector/rack interface A device for translating rotary to linear motion and vice versa includes a reciprocating linearly moving shuttle with a central aperture. The aperture has a pair of opposing gear racks protruding towards the center and which capture therebetween a pair of... | 06/24/1997 |
| 5639226 | Portable, battery operated air pump A portable, battery operated air pump comprising a battery power supply, an electric motor having a drive shaft, a drive wheel affixed to the motor shaft, a driven wheel mounted on a pivot pin and driven by the drive wheel, a cylinder-piston air pump havi... | 06/17/1997 |
| 5611246 | Variable angular velocity coupling for reciprocating devices Apparatus for providing a variable angular velocity coupling between an input shaft (52, 78) and an output shaft (71, 138) includes a fixed frame (72, 74, 76); a first hearing (80) for mounting the input shaft for rotation relative to the fixed frame; a s... | 03/18/1997 |
| 5575173 | Conjugate drive mechanism A motion converter employs a shuttle movable in a reciprocating fashion along a rectilinear path and having an aperture therein. One side of the aperture is defined by a first trackable profile and an opposite side of the aperture is defined by a second t... | 11/19/1996 |
| 5546821 | Motion arrester for a conjugate drive mechanism A conjugate drive mechanism of a motion converter includes a conjugate driver, which is rotatably mounted on a crankpin, and a bearing conjugate, which is mounted on a linearly movable shuttle. The conjugate driver moves relative to the bearing conjugate ... | 08/20/1996 |
| 5529467 | Connecting rod for a multiple compressor pump A connecting rod used for a multiple chamber compressor pump comprises a central section having in the main surface thereof an opening for receiving therein a bearing for an eccentric of the multiple compressor pump, at least two pushing sections, and res... | 06/25/1996 |
| 5513541 | Conjugate drive mechanism A motion converter employs a shuttle movable in a reciprocating fashion along a rectilinear path and having an aperture therein. One side of the aperture is defined by a first trackable profile and an opposite side of the aperture is defined by a second t... | 05/07/1996 |
| 5503038 | Free floating multiple eccentric device An apparatus for directly converting rotary motion to alternating linear motion comprising a cylindrical shaft and a first eccentric mounted on said shaft, a multiple eccentric comprised of a second eccentric, a third eccentric, and a first cylindrical bo... | 04/02/1996 |
| 5494135 | Lubrication system for a conjugate drive mechanism A conjugate drive mechanism of a motion converter includes a conjugate driver, which is rotatably mounted on a crankpin, and a bearing conjugate, which is mounted on a linearly movable shuttle. The conjugate drive mechanism is lubricated by supplying lubr... | 02/27/1996 |
| 5456159 | Motion converter with pinion sector/rack interface A device for translating rotary to linear motion and vice versa includes a reciprocating linearly moving shuttle with a central aperture. The aperture has a pair of opposing conjugate bearings protruding towards the center and which capture therebetween a... | 10/10/1995 |
| 5445039 | Conjugate drive mechanism A scotch yoke type motion converter employs a shuttle movable in a reciprocating fashion along a rectilinear path and having an aperture therein. One side of the aperture is defined by a first trackable profile and an opposite side of the aperture is defi... | 08/29/1995 |
| 5375566 | Internal combustion engine with improved cycle dynamics A reciprocating piston internal combustion engine has a scotch yoke-type motion translator. The engine is horizontally opposed with each shuttle having a pair of pistons attached at the ends of a pair of oppositely extending arms. A centrally located aper... | 12/27/1994 |
| 5370504 | Ambulant reciprocating compressor having plural pressure collection chambers A pair of oppositely directed pistons are reciprocatingly mounted in a cylinder. The cylinder is formed unilaterally with and encapsulated within a tank for receiving compressed air and has an exhaust port at each end and a valve for controlling the flow ... | 12/06/1994 |
| 5351567 | Motion arrester for a conjugate drive mechanism A conjugate drive mechanism of a scotch yoke type motion converter includes a conjugate driver, which is rotatably mounted on a crankpin, and a bearing conjugate, which is mounted on a linearly movable shuttle. The conjugate driver moves relative to the b... | 10/04/1994 |
| 5336133 | Oscillating mechanism for a crystal ball This invention relates to an oscillating mechanism for a crystal ball and in particular to one including a spring device, a driving gear connected with the spring means, a driven gear engaged with the driving gear and having an eccentric shaft with a circ... | 08/09/1994 |
| 5259256 | Motion converter with pinion sector/rack interface A device for translating rotary to linear motion and vice versa includes a reciprocating linearly moving shuttle with a central aperture. The aperture has a pair of opposing gear racks protruding towards the center and which capture therebetween a pair of... | 11/09/1993 |
| 5212996 | Crank drive with planetary pivot pin, favourably for piston power engines and machine tools The drive shaft drive mechanism of the invention converts straight-line motion into rotary motion, or rotary motion into straight-line motion. The mechanism is provided with a pivot-pin connected to one or more pistons, an internally-toothed ring gear, a ... | 05/25/1993 |
| 5203743 | Ornamental carousel assembly An ornamental carousel assembly is disclosed which simulates the movements of a full-size carousel by supporting various carousel figures that both reciprocate vertically and revolve around a central vertical support column along with a canopy. The rotati... | 04/20/1993 |
| 5110026 | Apparatus for a stepwise advancing of a web-shaped workpiece The crank assembly of the advancing apparatus is eccentrically supported in an intermediate shaft. This intermediate shaft is in turn supported in an oscillating slide. Accordingly, the oscillating movement of the slide is superimposed over such of the dr... | 05/05/1992 |
| 5099705 | Hand-held reciprocating working tool A motorized reciprocating tool unit releasably receives a saw, file or like tools and includes a counterweight unit to stabilize system operation. The is greater than a weight necessary to compensate for the forces created during the working action. A var... | 03/31/1992 |
