Class / Patent application number | Description | Number of patent applications / Date published |
267154000 | TORSION | 28 |
20080237954 | DAMPER APPARATUS - The present invention provides a damper apparatus mounted between an engine and a transmission and adapted to dampen vibration by a torsion spring, in which a film of a diamond-like carbon is formed on a metal member which is slidably contacted with the torsion spring. | 10-02-2008 |
20080284078 | Micromechanical Element Which Can be Deflected - The invention relates to deflectable micromechanical elements which can preferably be deflected in translation and optionally also in an oscillatory manner. With respect to known solutions, it is the object of the invention to enable larger deflections with a simultaneously improved resistance toward lateral forces and torques. In this connection, a suspension having at least one spring system is present at elements in accordance with the invention. Levers pivotally connected to torsion spring elements are present at spring systems. Torsion spring elements of a spring system are aligned in a common axis and/or a plurality of axes arranged parallel to one another and at least one torsion spring element is fixedly clamped. | 11-20-2008 |
20090250853 | TORSION RESILIENT ELEMENT FOR HANGING MICROMECHANICAL ELEMENTS WHICH CAN BE DEFLECTED - The invention relates to torsion spring elements for the suspension of deflectable micromechanical elements such as reflecting elements pivotable around a rotational axis. It is therefore the object of the invention to provide torsion spring elements for suspensions of deflectable micromechanical elements which can achieve improved properties in operation with respect to known spring elements. Torsion spring elements in accordance with the invention are made so that they have a changing geometrical design in the direction of their longitudinal axis and thereby have non-linear spring characteristics. The longitudinal axis is in this respect aligned between a clamping or support and the deflectable micromechanical element which is held by at least one torsion spring element. In this respect, a torsion spring element in accordance with the invention can have a straight-line region, which is aligned in the direction of the longitudinal axis, and a fork/branching at at least one end face into which the straight-line region merges. | 10-08-2009 |
20090250854 | Rotation Urging Device - An inner raceway surface ( | 10-08-2009 |
20100072684 | NODAL SPRING ASSEMBLY FOR AN ELECTRONIC TOOTHBRUSH - A nodal-mounted spring arrangement for an electronic toothbrush includes a V-shaped spring member secured at both ends so that it can operate in out-of-phase torsion mode along the axial dimension thereof. A mounting plate is connected between a node point along the V-shaped spring member and the housing of the toothbrush. In one embodiment, the V-shaped spring member includes opposing slots on opposite sides of the node point, the slots extending in an axial direction, creating an integrated torsion bar node spring, while reducing stress in the vicinity of the nodal point. In another embodiment, a nodal assembly comprises a diamond shaped or round insert having an upper surface configured generally to fit flush with the lower surface of the V-shaped spring member, a V-block shaped or flat shim member which is configured to mate the upper surface of the V-shaped spring member and the node spring, and an attachment member, such as a screw and nut combination, which tightly connects the mounting plate, the shim, the V-shaped spring member and the insert. | 03-25-2010 |
20100308517 | COATED SPRING AND METHOD OF MAKING THE SAME - A spring suitable for use in an acidizing wellbore is disclosed. The spring includes a spring member comprising an Ni-base or a Co-base alloy, the spring member having an outer surface. The spring also includes an acidizing fluid resistant coating layer disposed on the outer surface of the spring member. A method of making a spring suitable for use in an acidizing wellbore environment is also disclosed. The method includes forming a spring member comprising an Ni-base or a Co-base alloy, the spring member having an outer surface. The method also includes disposing an acidizing fluid resistant coating layer on the outer surface of the spring member. In an exemplary embodiment, the spring may include a torsion spring used in a flapper valve. | 12-09-2010 |
20110127705 | TUBULAR TORSION BAR - A tubular torsion bar includes an elongated inner tube of flexible material having a proximal end and a distal end and an elongated outer tube of flexible material having a proximal end and a distal end. A joiner bushing fixedly attaches the distal end of the inner tube to the distal end of the outer tube with the inner tube and outer tube positioned in coaxial and substantially coextensive concentric nesting positions. Mounting apparatus is fixedly attached to the proximal end of the outer tube and a planetary gear system is coupled to the proximal ends of the inner tube and the mounting apparatus and designed to provide a selected torque versus deflection characteristic of the tubular torsion bar. | 06-02-2011 |
20110298167 | Control stick adapted for use in a fly-by-wire flight control system, and linkage for use therein - This invention provides an improvement in a control stick (e.g., joystick, side-stick, etc.) ( | 12-08-2011 |
20120013058 | GRAVITY COMPENSATOR OF MOTOR - The present invention relates to a gravity compensator of a motor for naturally compensating load moment according to a rotation angle of a load, wherein the load moment results from the gravity torque in accordance with the rotational angle. The gravity compensator comprises: a supporting frame; a rotational shaft which is prepared to allow the rotation thereof in relation to the supporting frame; a load which is fixed to the rotational shaft and is rotated together with the rotational shaft; a driving motor which provides a rotational force to the rotational shaft to drive the rotation of the rotational shaft; and a torsion bar which has one end thereof coupled to the rotational shaft to form a rotating end that rotates together with the rotational shaft and includes the other end thereof coupled to the supporting frame to form a fixed end that does not rotate with the rotational shaft. Gravity compensation can be performed with an even simpler structure compared to the prior art, and thus the invention can be applied to a very small-sized motor. | 01-19-2012 |
20120326370 | NODAL SPRING ASSEMBLY FOR AN ELECTRONIC TOOTHBRUSH - A nodal-mounted spring arrangement for an electronic toothbrush includes a V-shaped spring member secured at both ends so that it can operate in out-of-phase torsion mode along the axial dimension thereof. In one embodiment, the V-shaped spring member includes two extended end regions, which extend below a longitudinal edge of the middle portion of the V-spring. The free ends of the extended portions are joined by a flat cross-piece. This “closed end” region is present at both ends of the V-spring. | 12-27-2012 |
20130300043 | TUBULAR TORSION BAR - A tubular torsion bar including an elongated inner tube of flexible material having a proximal end and a distal end, an elongated outer tube of flexible material having a proximal end and a distal end, a cylindrically shaped joiner bushing fixedly attached to and positioned partially between the distal end of the inner tube and the distal end of the outer tube with the inner tube and outer tube positioned in coaxial and substantially coextensive concentric nesting positions, external apparatus mounting the joiner bushing to maintain axial alignment of the distal and proximal ends of the inner tube and the outer tube and for limited rotational movement, and a mounting and output system fixedly attached to the proximal ends of the inner tube and the outer tube. | 11-14-2013 |
20140300039 | NODAL SPRING ASSEMBLY FOR AN ELECTRONIC TOOTHBRUSH - A nodally mounted spring arrangement for a drive train which is used in an electronic toothbrush which includes a housing. A V shaped spring member ( | 10-09-2014 |
20150123328 | TORSION BAR PACK AND ASSEMBLIES - A torsion bar pack including a plurality of torsion bars, each torsion bar including at least an elongated inner tube of flexible material having a proximal end and a distal end, an elongated outer tube of flexible material having a proximal end and a distal end, and a joiner bushing fixedly attached to the distal end of the inner tube and to the distal end of the outer tube with the inner tube and outer tube positioned in coaxial and concentric nesting positions, and input/output apparatus connected at the proximal ends. Two or more of the torsion bars connected in one of a torsion bar pack parallel connection or a torsion bar pack series connection and the torsion bar pack parallel connection or the torsion bar pack series connection including the input/output apparatus. | 05-07-2015 |
267155000 | Coil | 15 |
20080211154 | Apparatus Including Spring and Method For Tensioning the Same - The invention to which this application relates is to a mechanism for the tensioning of a spring, typically a coil spring ( | 09-04-2008 |
20090160112 | STRUCTURE FOR USE AS PART OF A MEDICAL DEVICE - A low cost, flexible, torqueable structure for use as at least a portion of a medical device comprises a coil formed of a wound element. The coil includes a plurality of adjacent windings. Connected portions of a region between the adjacent windings are formed (by, for example, laser welding) such that torque can be transmitted between adjacent windings. | 06-25-2009 |
20100052230 | SPRING DEVICE CAPABLE OF STORING A WINDING FORCE - A spring device includes a tubular seat defining a shaft hole therethrough, a shaft, and a torsion spring. The shaft hole has a positioning hole section and a guiding section. The guiding section has a diameter smaller than that of the positioning hole section. The tubular seat further has a keyway that is in spatial communication with the guiding section of the shaft hole. The shaft has a shaft body and a key. The shaft body is extended through the shaft hole and is movable axially relative to the tubular seat between first and second axial positions. The shaft body is rotatable relative to the tubular seat when the shaft body is at the second axial position so as to accumulate a winding force in the torsion spring. The tubular seat further has a key stop that abuts against the key so that the key is offset from the keyway when the shaft body is at the first axial position. | 03-04-2010 |
20100295222 | ACTUATOR AND SPRING USED THEREFOR - Disclosed are an actuator capable of preventing interference caused by torsion to thereby improve stability and reliability, and a spring used for the actuator. The actuator includes a first molding part, a second molding part being rotatably connected in an end of the first molding part, and a spring member including a first spring arm that is fixed to the first molding part and a second spring arm that is fixed to the second molding part. In this instance, the first spring and the second spring arms are integrally connected to each other. | 11-25-2010 |
20110266730 | SPRING, IN PARTICULAR FOR A LOCKING DEVICE OF A VEHICLE SEAT | 11-03-2011 |
267156000 | Volute | 7 |
20100127443 | HOOK STRUCTURE FOR SPIRAL SPRING - A second spiral spring is smaller than a first spiral spring and is housed in an open space in the center of the first spiral spring. A folded portion that is formed in an inner end of the first spiral spring and a folded portion that is formed in an outer end of the second spiral spring are hooked in a latch plate, under tension, that is cut and raised from a side. A receiving space is formed between the latch plate and an initial winding portion that starts winding in a curved shape from the inner end of the first spiral spring so as to house a tip of the folded portion of the outer end of the second spiral spring that is hooked in the latch plate. | 05-27-2010 |
20110079944 | ALLOY FOR SPRING, PLATE MATERIAL FOR SPRING, AND SPRING MEMBER - Provided are an alloy for spring, a plate material for spring, and a spring member, all of which are high in mechanical strength, also high in fatigue strength, and excellent in corrosion resistance. An alloy for spring of the present invention includes, as composition in terms of weight ratio, 28 to 42% Co, 10 to 27% Cr, 3 to 12% Mo, 15 to 40% Ni, 0.1 to 1.0% Ti, 1.5% or less Mn, 0.1 to 26.0% Fe, 0.1% or less C, and inevitable impurities, and at least one kind selected from 3.0% or less Nb, 5.0% or less W, 0.5% or less Al, 0.1% or less Zr, and 0.01% or less B. | 04-07-2011 |
20110156328 | INTEGRAL RETAINER TO RETAIN A SPRING - A power, motor, or clock spring featuring an integral retainer that prevents the spring from returning to its relaxed state. The integral retainer includes at least two of the coils of the spring being bonded together either through direct bond or via a welding material. The formation of an integral retainer in which the bonded coils of the spring itself acts as the retainer, creates a power spring that is easier and safer to handle and less expensive to create. The bond can be located only at the outermost point of the spring bonding the two outermost coils together adjacent an outer hook of the power spring. | 06-30-2011 |
20130075966 | NON-LINEAR TORSION SPRING ASSEMBLY - Disclosed and claimed herein are spiral torsion springs, non-linear torsion springs, and non-linear torsion spring assemblies. These devices are useful in damping applications, orthotic joint applications and servo control applications. | 03-28-2013 |
20140027965 | CONSTANT-FORCE SPRING SYSTEMS - Adjustable constant force spring systems are disclosed. An adjustable constant-force spring system includes first and second rolled metal strips and a spool. The first strip is rolled around a first axis. The first strip has an inner end adjacent the first axis and an outer end configured for selective attachment to a load. The second strip is rolled around the first axis such that the second strip overlaps the first strip. The second strip has an inner end adjacent the first axis and an outer end configured for selective attachment to the load. The spool is located on a second axis parallel to and spaced from the first axis. The spool is sized to enable the first strip to reroll around the spool. | 01-30-2014 |
20150008629 | SPIRAL SPRING - A spiral spring for reducing maximum stress value and variations in stress distribution. The spiral spring is elastically deformable from a minimally to maximally deformed state. In maximally deformed state, the spiral spring includes a non-contact section, wherein at least some spring material portions are adjacent in radial direction not contacting each other, and a contact section, wherein all spring material portions are adjacent in radial direction contacting each other. An inner reference portion is corresponding to a central angle of 80° or more and 160° or less about a spiral center along a direction of spiral portion extension with a reference line connecting the spiral center and outer contact portion, wherein the outer end portion and outer fixing member contact in maximally deformed state, the inner reference portion being on a radially spiral portion inner side. The contact section is on a radially inner reference portion outer side. | 01-08-2015 |
20150292585 | SPIRAL SPRING - At least a first movable coil part of the plurality of movable coil parts that is in the innermost place in the radial direction does not come into contact with both the fixed coil part, which is radially adjacent on the inside, and a second movable coil part, which is radially adjacent on the outside, at the same place in the circumferential direction while coming into contact with only one of the fixed coil part and the second movable coil part in a plurality of places that are circumferentially displaced, when the spiral spring is in an elasticity retaining state reached from a free length state by elastic deformation in the diameter-reducing direction. | 10-15-2015 |
267157000 | Also compressible or expansible | 3 |
20090091070 | Torsion vibration damper - A torsion vibration damper for a drive train is proposed, including two flange components, forming an input component and an output component, rotatable within limits relative to one another about a common axis of rotation against the effect of at least one energy accumulator, such that the at least one energy accumulator is supported against centrifugal force effects by at least one support element, which is supported radially inside the at least one energy accumulator, wherein the at least one support element is supported rotatable about a rotation axis relative to the flange components. | 04-09-2009 |
20090160113 | Torsional damper for a fluid pump - A damper assembly including an input member, an output member, and a transfer assembly is disclosed. The input member is configured to receive a torsional input. The output member is configured to provide a torsional output. The transfer assembly is coupled between the input member and the output member and includes a ring, a first guide, a second guide, a first spring, and a second spring. The ring defines a first linear slide path that has a first end and a second end, and a second linear slide path that has a third end and a fourth end. The first guide is slideable within the first linear slide path and coupled to the input member. The second guide is slideable within the second linear slide path and coupled to the input member. The first spring is positioned between the first guide and the second end of the first linear slide path. The second spring is positioned between the second guide and the fourth end of the second linear slide path. Movement of the input member relative to the output member causes the first guide to slide along the first linear slide path and the second guide to slide along the second linear slide path. | 06-25-2009 |
20100213654 | TORSION SPRING AND LAMP HAVING THE SAME - A lamp includes a shell with an assembling portion, a main body disposed in the shell, and a torsion spring. The torsion spring includes a spring body, a first supporting part, and a second supporting part. The spring body is assembled to the assembling portion. The first supporting part includes a first arm connected to an end of the spring body, a second arm near another end of the spring body and a first bending part connected between the first supporting part and the second supporting part. A structure of the second supporting part is similar to that the first supporting part and is connected to the spring body. The first supporting part and the second supporting part are suitable for tightly clamping the assembling portion and a fixing end respectively by the force of the spring body. | 08-26-2010 |