Patent application number | Description | Published |
20090293827 | VALVE SPRING DEVICE AND VALVE TRAIN OF INTERNAL COMBUSTION ENGINE USING THE SAME - A port is formed in a cylinder head of an engine. The port is opened and closed by a valve. A valve spring device is provided with a first spring and a second spring. The second spring is contained in a housing and held by a stopper in a manner such that it is compressed along an axis or subjected to a preload. The preload of the second spring is larger than an installation load of the first spring. An axial load acts on the springs. The valve spring device has load-deflection characteristics such that only the first spring deforms axially when the axial load is not larger than a predetermined value and that both the first and second springs deform axially when the axial is load exceeds the predetermined value. | 12-03-2009 |
20090298307 | Conductive Contact Unit and Conductive Contact - A conductive contact unit includes plate-like conductive contacts for electrically connecting different circuitries. Each conductive contact includes a first contacting element to be brought in physical contact with one circuitry, a second contacting element to be brought in physical contact with another circuitry, an elastic element between the first contacting element and the second contacting element, a first connecting element that connects the elastic element and the first contacting element, and a second connecting element that connects the elastic element and the second contacting element and that has an opening. The conductive contact unit also includes a conductive contact holder including first guiding grooves and second guiding grooves facing the first guiding grooves. The conductive contact holder holds the conductive contacts with both longitudinal outside ends of each conductive contact being slidably engaged with the first and the second guiding grooves. | 12-03-2009 |
20100139596 | VALVE SPRING DEVICE AND VALVE TRAIN OF ENGINE USING THE SAME - A valve spring device is provided with a first coil spring and a second coil spring combined in series with each other. The inside diameter (coil inside diameter) of the second coil spring is greater than the outside diameter (coil outside diameter) of the first coil spring. A part of the first coil spring including an end portion along an axis is inserted into the second coil spring, thereby forming a combined spring. The end portion of the first coil spring and an end portion of the second coil spring are connected to each other by a connecting member. The first and second coil springs are compressed along the axis as they are located in series between a cylinder head and a retainer. A shaft of a valve is passed within the coil springs. | 06-10-2010 |
20110057368 | SPRING - The first corner portion elastically deforms in application of load such that the angle of the first corner portion changes depending on the pressing force from the first member. In this case, the first corner portion can move toward the outside of the inner periphery portion of the main body portion while the angle changes. The second corner portion has the same function as that of the first corner portion, and it can move toward the outside of the outer periphery portion of the main body portion while the angle changes depending on the pressing force from the second member in the elastic deformation of the second corner portion. As a result, the spring can prevent generation of hysteresis in load characteristics without increasing the number of parts, and enables height adjustment of the spring. | 03-10-2011 |
20130069293 | SUSPENSION DEVICE - A suspension device is equipped with a damper including a piston portion, a suspension spring, an upper seat, and a spring. The spring is arranged between the piston portion and the upper seat and is an elastic member for receiving a load from the damper. The spring has load characteristics in which hysteresis does not occur, whereby a dynamic spring constant can be small. Therefore, transmission of vibrations in a high-frequency range and an infinitesimal amplitude range is decreased. The spring has a main body that functions as a disc spring portion. Therefore, the spring constant in a direction perpendicular to an axis line of the damper is large, whereby stiffness in the direction perpendicular to the axis line is increased. As a result, ride quality is improved, and stable handling is obtained. | 03-21-2013 |
Patent application number | Description | Published |
20090026050 | Conductive Contact Unit - A conductive contact unit includes a conductive contact holder, a conductive contact, and an aligning unit. The conductive contact holder includes a first guiding grooves and a second guiding groove opposite to the first guiding groove, each slidably engaging one edge of the conductive contact. The conductive contact has a plate-like shape, and includes a first contacting element and a second contacting element that are brought into contact with different circuitries, a resilient element that is expandable and contractible in a longitudinal direction between the first contacting element and the second contacting element, a first connecting element that connects the resilient element and the first contacting element, and a second connecting element that connects the resilient element and the second contacting element. The aligning unit aligns the conductive contacts. | 01-29-2009 |
20090153161 | Probe Holder and Probe Unit - A probe holder is for containing a plurality of probes for inputting and outputting an electrical signal to and from a circuitry when the probes come in contact with the circuitry. The probe holder includes a distal end for holding the probes; a proximal end that supports the distal end; and a flexure-causing unit between the distal end and the proximal end to cause a flexure of the distal end relative to the proximal end. | 06-18-2009 |
20090233493 | Conductive Contact Unit - A conductive contact unit establishes an electrical connection between different circuitries, and includes a plurality of conductive contacts that receive and output an electrical signal from and to the circuitries, respectively. The conductive contact unit includes a conductive contact holder that accommodates and holds the conductive contacts, and a vibration applying unit that applies vibration to the conductive contact holder. | 09-17-2009 |
20090263183 | Joint Structure and Joining Method - A joining component is joined to a joint component. The joining component includes an insertion hole and two fitting holes. The joint component includes a fusible shaft at a position corresponding to the insertion hole and two protrusions at positions corresponding to the fitting holes. The joining component is placed on the joint component such that the fusible shaft is inserted into the insertion hole, and the protrusions fit into the fitting holes. The fusible shaft is then fused by using ultrasonic vibrations. | 10-22-2009 |
20100227514 | Conductive Contact and Conductive Contact Unit - A conductive contact includes a first contacting element that is brought into contact with one of different circuitries; a second contacting element that is brought into contact with another one of the different circuitries; a resilient element that is interposed between the first contacting element and the second contacting element to be expandable and contractible in a longitudinal direction; a first connecting element that connects the resilient element and the first contacting element; and a second connecting element that connects the resilient element and the second contacting element, and has an opening penetrating therethrough in a through-thickness direction. At least a portion of the resilient element is shorter than the fist connecting element and the second connecting element in a width direction perpendicular to the longitudinal direction and the through-thickness direction. | 09-09-2010 |