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| Number | Title | Issue Date |
| 8152147 | Torsion spring assembly and portable electronic device with torsion spring assembly A torsion spring assembly includes a torsion spring body and a fixed base. The torsion spring body has a first coil part and a second coil part. The first coil part connects to the second coil part. The fixed base has a first fixed arm and a second fixed arm. The fi... | 04/10/2012 |
| 7310843 | Loading ramp for standardized intermodal freight containers A ramp for use in bridging from a floor of an ISO standardized intermodal freight container to a placement pad on which the container is placed. An upper lip of the ramp is configured to engage with lower locking lugs of the container, which, although they are not c... | 12/25/2007 |
| 7282883 | Pivoting and barrier locking operator system A system for moving a barrier between limit positions, includes an operator motor assembly mounted proximate to the barrier, wherein at least a portion of the motor assembly is movable between an operating position and a locking position with the motor assembly bloc... | 10/16/2007 |
| 7261356 | Trailer A trailer includes a ramp having an end attached to the trailer for pivotal movement of the ramp between a raised gate position and a lowered, inclined loading position. An elongate support is attached to the trailer adjacent to the end of the ramp, and a tension sp... | 08/28/2007 |
| 7254868 | winding and anti-drop assembly for door counterbalance system A counterbalance system (25) for a door (D) movable between a closed position and an open position having an axle (20), a cable drum (15) attached to the axle, a winding shaft (35) interconnected with the axle by a counterbalance spring (... | 08/14/2007 |
| 7252133 | High load operation of an industrial roll door A high load operation industrial roll door, including a flexible door curtain windable about a top roll positioned above a door opening and provided with a drive system. The roll door includes a bottom beam fastened to the door curtain, and a biasing spring, for res... | 08/07/2007 |
| 7229391 | Resistance exercise machine with stacked resistance packs A resistance exercise machine has a frame that includes a base on the floor and upright posts on the base. Resistance packs mounted for adjustment up and down on the posts are equipped with cams that compensate for the increased resistance resulting from increasing ... | 06/12/2007 |
| 7204772 | Torsionally flexible coupling, a mold, and a method of producing same A torsionally flexible coupling has a hub ring and a vibrationally isolated pulley surrounding the hub ring at a radial distance, a spring body made of a rubber-elastic material being situated in the gap formed by the distance, and comprises a sliding-contact bearin... | 04/17/2007 |
| 7168763 | Seatback reclining apparatus for a vehicle A seatback reclining apparatus capable of independently reclining divided seatbacks with different angles. Thereby, interference with a trim of a wheel housing when the seatback is positioned to a flat position is prevented. The seatback includes a reclining shaft p... | 01/30/2007 |
| 7128191 | Actuator assembly An actuator assembly includes an actuator, an output member, and a spring arrangement having at least one spiral return spring. The output member has a neutral position, a first actuated position, and a second actuated position. The neutral position is between the f... | 10/31/2006 |
| 7125411 | Cannula delivery and support system A cannula supporting coil that comprises a thin resilient elongated member having a proximal portion; an intermediate portion; and, a distal portion. The proximal portion of the thin resilient elongated member comprises a clip portion for capturing a side port of an... | 10/24/2006 |
| 7093577 | Recoil starter A damper spring having a torsion coil spring-like shape is placed on outer peripheries of bosses respectively formed on a rope reel and a cam. The ends of the damper spring are engaged with the rope reel and the cam, respectively, so that the rope reel and the cam a... | 08/22/2006 |
| 7093877 | Gutter mounted deck lid hinge A link assembly forming a 6 bar linkage is integrally combined with a spring having a laterally coiled strand to form a hinge that is particularly well adapted to be installed in a small footprint. Such a unit is well adapted for installation within a peripheral cha... | 08/22/2006 |
| 7061197 | Pivoting and barrier locking operator system A system for moving a barrier between limit positions, includes an operator motor assembly mounted proximate to the barrier, wherein at least a portion of the motor assembly is movable between an operating position and a locking position with the motor assembly bloc... | 06/13/2006 |
| 7055812 | Canted coil springs various designs A coil spring includes a plurality of primary wire coils and a plurality of secondary wire coils, the primary and secondary coils being contiguous and differentiated from one another by a dimensional size in order to provide variable force and variable deflection. | 06/06/2006 |
| 7047581 | Stranded mattress spring A mattress construction with a stranded wire spring is disclosed. The stranded wire spring can be designed with the same performance characteristic as a conventional single strand coil spring, but at a lower manufacturing and material cost. ... | 05/23/2006 |
| 7048271 | Sheet separator for an automatic document feeder A sheet separator for an automatic document feeder of the invention is capable of separating an outmost sheet from a stack. The separator includes a separating roller driven by a driving device, a friction roller, a first shaft, and a force-applying mechanism for pu... | 05/23/2006 |
| 7047644 | Crankshaft damper and method of assembly A crankshaft damper and a method of crankshaft damper assembly using interlocking beads. A crankshaft damper having a hub portion and pulley ring and an elastomeric member disposed in an annular space between them is clamped in a tool after initial assembly. A tool ... | 05/23/2006 |
| 7004141 | Method and apparatus for obtaining a consistent pedal position for a vehicle having an engine with displacement on demand An engine control system in a vehicle including a variable displacement internal combustion engine, an intake manifold coupled to the internal combustion engine, a throttle coupled to the intake manifold, a controller for controlling the throttle and the engine, an ... | 02/28/2006 |
| 6986508 | Spring holding cone for holding a spring end of a spiral torsion spring A spring holding cone (1) for a spring end of a spiral torsion spring (13), especially a sectional door spring for an industrial door or a garage sectional door, has an outside surface (2) for supporting the spring end of the torsion spring (... | 01/17/2006 |
| 6931691 | Wiper spring Wiper spring is made of a length of spring wire having hook-like end portions at opposite ends. One of the end portions is shaped to slide over the drive arm of a vehicle wiper assembly from one side. The other end portion is shaped to hook over the wiper arm of the... | 08/23/2005 |
| 6918464 | Energy absorber An energy absorber comprises a housing (1), a store (15) of plastically deformable material (8) mounted in the housing and having an endstop (27), an attachment (3) for attaching the energy absorber to a structure, another attachme... | 07/19/2005 |
| 6857631 | Printer sheet feeding path idler rollers biased mounting system A sheet feeding system in which the idler roller shafts are loosely mounted between opposing side walls of a slot for limited movement relative to their mating sheet feeding rollers, and spring biased theretowards to provide sheet feeding nips with the desired norma... | 02/22/2005 |
| 6823972 | Spring clutch A spring clutch has an arbor, a spring, and a sleeve. The spring at least partially surrounds the arbor and has a first portion coupled to the arbor to confine relative rotation of the first portion and arbor about an axis. The sleeve at least partially surrounds th... | 11/30/2004 |
| 6763915 | Mainspring mechanism and device having the same A winding stem (10) is connected to an inner end (11a) of a mainspring (11), and an outer end (11b) of the mainspring (11) is connected to a barrel drum (12). A braking plate (15) is placed inside a brak... | 07/20/2004 |
| 6709056 | Preloaded spring arrangement, in particular for spring loading office chair synchronizing mechanisms A preloaded spring arrangement, in particular for spring loading office chair synchronizing mechanisms, comprises a pair of leg springs, which are coaxially positioned on a common axis, each having a supporting leg and a positioning leg; and a preferably manually op... | 03/23/2004 |
| 6647960 | Torsion spring assembly for electronic throttle An electronic throttle body uses a spring and an insert to generate a force tending to oppose the motion of opening a throttle. The insert locates and centers the coils of the spring and also acts during assembly to place the proper amount of torsion on t... | 11/18/2003 |
| 6631954 | Vehicle seat including a pivoting back urged forwards by a torsion bar A vehicle seat has a back mounted to pivot on a seat proper by a locking mechanism, and urged forwards by a torsion bar formed by a metal wire which has two ends fixed respectively to the back and to the seat proper. The metal wire constituting the torsio... | 10/14/2003 |
| 6619638 | Supplementary torsion spring assembly A supplementary spring assembly (104) is fitted to three consecutive turns (86.1, 86.2, 86.3) of a vehicle suspension coil spring (102). The spring assembly (104) includes a central torsion-producing portion (105) having a pair of half-turn torsion spring... | 09/16/2003 |
| 6615897 | Apparatus for winding a spring An apparatus for winding a spring on a shaft, such as for counterbalancing a roll-up door, includes a housing that carries a transmission which is positionable over the shaft. The transmission is configured to be coupled via a connector to one end of the ... | 09/09/2003 |
| 6575531 | Reclining chair with adjustment telescopic tube A reclining chair comprises a telescopic tube assembly connected to a seat for adjusting the inclination of the seat and a backrest, and a lock unit mounted on the telescopic tube assembly for locking releasably an inner tube against an outer tube of the ... | 06/10/2003 |
| 6553623 | Automatic pivot door opener A spring door opener comprising for a helical torsion spring coil body with two legs extending therefrom. One of the legs contains two substantially 90-degree bends such that the legs are configured to exit the coil body on the same side. The door opener ... | 04/29/2003 |
| 6527264 | Torsion spring for counter balancing weights particularly in sectional doors A torsion spring which is coiled or wound from spring steel wire is provided for counterbalancing weight, particularly in sectional doors. At least one of the two spring ends of the torsion spring has a connection diameter which is reduced with regard to ... | 03/04/2003 |
| 6508461 | Method and apparatus for spring tensioning Disclosed herein is an improved arrangement for the operation of an overhead garage door that comprises an adapter utilized for installation and periodic maintenance of the support arrangement. Also disclosed is an adapter for use with existing garage doo... | 01/21/2003 |
| 6485006 | Plug with safety means for use with counterbalancing systems of garage doors and the like A plug mounted at one end of a torsional spring operatively connected to an overhead shaft of a counterbalancing mechanism of a garage door, wherein the plug comprises projecting interlocking means able to cooperate with corresponding matching means of a ... | 11/26/2002 |
| 6450062 | Friction damper and pedal device for vehicle having the friction damper The friction damper includes a hollow cylindrical member having an axially movable non-rotational member within the cylindrical member. A spring is disposed between the movable and cylindrical members. A rotating member lies within the cylindrical member ... | 09/17/2002 |
| 6240801 | Friction damper and pedal device for vehicle having the friction damper A friction damper includes: a hollow cylindrical member with a bottom; a movable member disposed in said hollow cylindrical member in such a manner as to be movable in an axial direction of hollow cylindrical member but immovable about an axis of hollow c... | 06/05/2001 |
| 6220586 | Multiple torsion spring and methods of use A multiple torsion spring assembly according to the present invention may be provided with a coiled helical torsion spring. The spring has first and second end coils, and a plurality of intermediate coils between the first and second end coils. The first ... | 04/24/2001 |
| 6112712 | Motorcycle cam drive tensioner A motorcycle engine comprising an engine housing, a crankshaft mounted for rotation within the housing, a camshaft mounted for rotation within the housing, a flexible element (e.g., a chain) coupling the camshaft to the crankshaft, and a tensioner mounted... | 09/05/2000 |
| 6056280 | Auto-loading lift spring for an electronic device A lift spring assembly is disclosed for small computers and similar electronic devices of the type that has a base and an upper component assembly that raises when a release is pressed to provide access to computer devices such as printing, data storage a... | 05/02/2000 |
