Class / Patent application number | Description | Number of patent applications / Date published |
074042000 | Crank, pitman, and lever | 15 |
20080276737 | Crank Gear for a Reciprocating Compressor - Crank gear ( | 11-13-2008 |
20120186372 | Oscillating device and process for drilling holes in soft materials - A simple mechanical device that converts the rotary motion of a drill motor to an oscillating/reciprocating or into a continuous motion. The device is for use in operations with soft, fibrous materials such as surgical needs, carpets, fiber based materials, and soft woods. The device drills a close tolerance hole with drive shafts in line or offset to the driven shaft. A general reciprocating drive system is comprised of a reciprocating drive device; a turning drive device such as a drill; a drive structure member such as a gear, plate or the like; a reciprocation configuration such as the eccentric linkage; a device encasement; a means for connecting the members to an encasement; a control mechanism for reciprocating or continuous rotation; a driven output connector such as a tool chuck; and a drill bit with at least 3 flutes. | 07-26-2012 |
20120216635 | LOW FRICTION ROTATIONAL OR TRANSLATIONAL INTERFACE FOR A MECHANICAL SYSTEM - The mechanical system includes an interface for moving parts, with the mechanical system including a driving assembly and a driven assembly, wherein the driving assembly mates with the driven assembly at a mechanical joint ( | 08-30-2012 |
20120222504 | REGULATING DEVICE FOR AN ACTUATOR - The invention relates to a regulating device for an actuator arranged in a gas passageway of an internal combustion engine, in particular for a bypass flap arranged in an exhaust turbocharger, having an electrical servomotor, a regulating member coupled to the actuator and a multi-gear transmission arranged between the servomotor and regulating member. According to the invention, to achieve a large transmission ratio range with a small number of transmission gears, two transmission wheels interact in at least one of the transmission gears via an evoloid toothing. | 09-06-2012 |
20120255379 | ACTUATOR FOR VEHICLE - An actuator for a vehicle capable of selectively opening and closing a waste gate valve provided in a turbocharger is disclosed. The actuator includes a driving motor having a motor shaft, a gear assembly comprising a plurality of gears engaging with each other and with the motor shaft, a connecting unit connected with the gear assembly to move along the operation of the gear assembly, wherein the connecting unit is connected with a waste gate valve provided in a turbocharger housing. | 10-11-2012 |
20130167672 | MECHANISM TRANSFORMING ROTATIONAL MOVEMENT TO DIFFERENT MOVEMENT CHARACTERISTICS - A movement transformation mechanism which is used in presses characterized by comprising an outer crank spindle which is rotated by the first drive source; an outer crank spindle bearing which rotates together with the outer crank spindle and which has an inner crank spindle bearing formed on the lateral surface as eccentric from the center; and an inner crank spindle which is rotated by the second drive source and whereon the connecting rod is hinged, and characterized in that the inner crank spindle is bedded inside said inner crank spindle bearing in a fixed manner. | 07-04-2013 |
20130247698 | PRESS DRIVE WITH SEVERAL MODES OF OPERATING A PRESS AND METHOD FOR OPERATING A PRESS DRIVE - A press drive for a press includes an elbow lever drive. The elbow lever drive comprises a first lever, a second lever and a connecting rod. The lengths of the two levers as well as the connecting rod are fixed. The first lever is pivotally supported on the press frame by a first support bearing. The second lever is supported on the plunger via a second support bearing. The connecting rod and the two levers are supported by an elbow joint so as to be pivotable relative to each other about a common pivot axis. The connecting rod is driven by an eccentric drive. An adjustment arrangement is provided for moving the eccentric drive relative to the press frame or respectively, the first support bearing. In this way, different operating modes can be established depending on the position of the eccentric drive along the adjustment path. | 09-26-2013 |
20130255408 | WIPER MOTOR - A wiper motor | 10-03-2013 |
20140060221 | ANGULAR POSITIONING DEVICE WITH THREE DEAD CENTRES - In the transmission of mechanical movements, a mechanical angular positioning device is provided, and applies notably to optical instruments necessary to position an element such as a mirror according to three predefined positions. The angular positioning device comprises an assembly of connecting rods and an assembly of pivot connections, the axes of which are parallel to one another. A first input connecting rod, a second output connecting rod and a third connecting rod are in pivot connection with a frame of the device. A fourth and a fifth connecting rod are each connected by two pivot connections to two other connecting rods. The input connecting rod can be rotated by a motor. The angular positioning device is configured such that the output connecting rod can adopt three distinct angular positions, for each of which two connecting rods in pivot connection with one another generate a dead centre in the device. | 03-06-2014 |
20140260720 | Multi-Tool Transmission and Attachments for Rotary Tool - An embodiment of the present invention is directed to a drive mechanism for translating rotational output from a moveable member of a rotary tool to an interchangeable attachment having a movable member. The drive mechanism includes a rotatable drive shaft sized and shaped for insertion into the rotary member of the rotary tool, a connector adapted to selectively secure the drive mechanism to the interchangeable attachment, a reciprocating drive member adapted to contact the movable member of the interchangeable attachment and to cause the movable member to move, when the interchangeable attachment is secured to the drive mechanism, and a transmission configured to translate rotation of the drive shaft into reciprocating motion of the drive member. | 09-18-2014 |
20140345399 | RAILWAY POINT CRANK SYSTEM - The present disclosure relates to a linked crank mounting device for use with a switch rail, comprising: an input terminal or series of input terminals; an actuator; an output connector; and attachment means for rigidly attaching the linked crank mounting device relative to the railway; wherein the input terminal or terminals are for receiving input power, the output connector is directly or indirectly mechanically linked to at least one of a switch rail or an output connector of a further linked crank mounting device, and the actuator applies the input power to the output connector. | 11-27-2014 |
074043000 | Multiple levers | 4 |
20130025383 | AUXILIARY DEVICE FOR BICYCLE - An auxiliary device for a bicycle is disclosed. The auxiliary device includes a pair of thrusting members and a drive mechanism pivotally coupled between the thrusting members and the bicycle. The thrusting members positioned at two sides of the bicycle in a one-up-one-down manner, so that the thrusting members normally abut against a cyclist's back thigh muscles. The drive mechanism has two first pivots, a second pivot and a linkage system so as to make the thrusting members thrust the cyclist's back thigh muscles when the cyclist treadles the treadles. Thereby, the auxiliary device is useful to reduce burden bore by the cyclist's front thigh muscles and shank muscles, and can use the kinetic energy generated by the cyclist's back thigh muscles to enhance the cyclist's riding speed and endurance. | 01-31-2013 |
20130312550 | RECIPROCATING PISTON MECHANISM WITH EXTENDED PISTON OFFSET - The reciprocating piston mechanism with an extended piston offset is provided. The mechanism is of the type that contains at least one cylinder having a longitudinal axis, at least one piston that has a pivot pin and is slidingly installed in the cylinder, a crankshaft, which is offset at a distance from the longitudinal axis of the cylinder, a rocker arm/lever assembly pivotally mounted on a crankpin of the crankshaft. The mechanism is also provided with a connecting rod that connects the cylinder to one arm of the rocker arm/lever assembly. The other arm of the rocker arm/lever assembly has a roller that is guided in a confined pathway and works as a fulcrum of the lever and a stabilizer/rudder at the same time. | 11-28-2013 |
20140060222 | ANGULAR POSITIONING DEVICE COMPRISING TWO MECHANICAL MOVEMENT TRANSMISSION ASSEMBLIES WHICH ARE EACH IMBRICATED AT TWO DEAD CENTRES - In the transmission of mechanical movements, a mechanical angular positioning device is provided, and applies to optical instruments to position an element like a mirror according to three predefined positions. The angular positioning device comprises a frame and two imbricated mechanical movement transmission assemblies. The first assembly comprises a first support in pivot connection with the frame according to a first axis, which is rotatable by a first motor via two connecting rods which generate two dead centres for the first support. The second mechanical assembly comprises a second support in pivot connection with the first support, according to a second axis, not parallel with first axis. This second support is rotatable by a second motor via two connecting rods which generate two dead centres for the second support. One of the dead centres of the first support can coincide with one of the dead centres of the second support. | 03-06-2014 |
20140290400 | Four Degrees Of Freedom Motion Apparatus - The present invention relates to a four degrees of freedom motion apparatus, and more particularly, to a four degrees of freedom motion apparatus capable of implementing three degrees of freedom (pitch, roll, heave) motions by three actuators positioned at a lower plate and a center plate, and between the lower plate and the center plate, and a spline, and additionally implementing an one degree of freedom (sway) motion by a connecting means provided between the center plate and an upper plate. | 10-02-2014 |